an explanation is first given in respect of a fan type chemical diffusing apparatus according to the first form of embodiment of the present invention with reference to fig1 to 16 . the apparatus is shown to comprise an apparatus main body 1 , a cartridge 2 formed of a power supply housing 2 a and a chemical receptacle retainer 2 b which are united together , and a chemical receptacle 3 . the chemical receptacle 3 here is adapted to be fitted into , held by and disengaged from a chemical receptacle retaining section 4 of the chemical receptacle retainer 2 b . and , the cartridge 2 is adapted detachably to slide - fit with the apparatus main body 1 . namely , slidably inserted into the apparatus main body 1 in a direction perpendicular to the central axis of the chemical receptacle retaining section 4 , the cartridge 2 is adapted to come into engagement with the apparatus main body 1 . to detach the cartridge 2 or disengage it from the apparatus main body 1 , an engagement releasing button 6 is provided . the chemical receptacle 3 as shown in fig4 comprises a receptacle main body 3 a having a cylindrical wall 7 formed with an annular , projecting rim or flange 7 a for engagement axially in its midway and of which one side is closed with an end wall 8 made continuous therewith , and a lid body 3 b with which the other side , open end of the receptacle main body 3 a is closed , wherein each of the end wall 8 and the lid body 3 b has a large number of vent holes 9 formed therethrough . the total open surface area occupied by the respective vent holes through the end wall 8 and the lid body 3 b is made at least 60 % of the total surface area of the end wall 8 . accommodated within the chemical receptacle 3 is a chemical impregnated body 10 , here in the form of a mass of beads or spherical particles impregnated with a chemical that as will be described later in detail is made capable of volatilization in air . other than being a mass of beads or spherical particles , the chemical impregnated body 10 may be a mass of wire or wires or small pieces , or a honeycomb or sponge structure . they may be made of pulp , nonwoven fabric or woven fabric , synthetic resin or an inorganic substance such as silica gel . referring to fig4 to 8 , the cartridge 2 which comprises the power supply housing 2 a and the chemical receptacle retainer 2 b is l - shaped in a side view . it has at its base portion a power supply accommodated section 11 formed in hollow with one end open . the power supply accommodating section 11 has a battery case 13 inserted therein as slidable in and out like a drawer , the battery case 13 as shown being capable of accommodating therein two battery cells 12 as the power supply for the apparatus . the battery case 13 has in its interior at one axial end side of the battery cells 12 a connecting terminal 14 formed so as to electrically connect the positive terminal of one of the two battery cells 12 to the negative terminal of the other . the battery case 13 also has at its other end side a pair of cutouts 15 and 15 formed to expose the respective opposite terminals of these battery cells 12 . on the other hand , the power supply housing 2 a to be loaded with the battery case 13 has a pair of cutout openings 16 and 16 formed at positions beneath which the cutouts 15 and 15 are respectively arriving when the battery case 13 is fully inserted into the housing 2 a . this arrangement enables those exposed terminals of the two battery cells 12 in the battery case 13 to be brought into contact with a corresponding pair of conducting members or electrical contacts 36 located outside of the power supply housing 2 a . the battery case 13 further has an opening or small window 18 formed through its outer wall 17 to enable the presence of the battery cells 12 inside to be checked . this outer wall 17 is also provided with a hook 20 with which an engagement protrusion piece 19 comes to disengageably engage when operated by the abovementioned release button 6 . the chemical receptacle retainer 2 b located above the power supply housing 2 a and remote from the power supply accommodating section 11 is designed to hold the chemical receptacle 3 detachably in the chemical receptacle retaining section 4 , which is formed open circular in the chemical receptacle retainer 2 b . the chemical receptacle retaining section 4 is formed in its inner , annular surface with a first and a second set of projecting pieces 21 a and 21 b , outer and inner , which as can be seen from fig4 and 8 are designed to axially hold the circular , projecting engagement rim 7 a on the chemical receptacle 3 inserted into the chemical receptacle retaining section 4 from its inner side . the inner , projecting pieces 21 b temporarily deform when the projecting engagement rim 7 a is led in and out past them and then return to their original shape . in this arrangement , therefore , carrying the projecting engagement rim 7 a across the inner projecting pieces 21 b outwards brings the chemical receptacle 3 into engagement with chemical receptacle retaining section 4 to be held thereby . conversely , carrying the former 7 a across the latter 21 b inwards disengages the chemical receptacle 3 from its retaining section 4 inwards . the cartridge 2 as will be seen from fig4 to 8 has its end ( top ) formed with a pair of engagement projections 22 and has its base laterally formed with a pair of rails 23 each along the direction in which the cartridge 2 is slid into the apparatus main body 1 . mention is next made of the way in which the apparatus main body 1 is constructed . referring to fig4 , 5 , 9 , 10 and 11 , the apparatus main body 1 as the counterpart of the cartridge 2 to establish a slide fit therewith , includes , its outer wall 27 , an upper inner wall 25 which opposing the chemical receptacle retaining section 4 in the cartridge 2 , is formed with an inner airflow opening 24 that opposes the chemical receptacle 3 held by the chemical receptacle retaining section 4 , and a lower inner wall 26 that opposes the base of the power supply housing 2 a . provided in the space between these inner walls 25 and 26 and the outer wall 27 is a spiral duct 29 that communicates a region of the inner airflow opening 24 with an outer airflow opening 28 . and , within this duct 29 is there mounted a silocco fan 32 having a region of its central axis fronting the inner airflow opening 24 , the silocco fan 32 being coupled to the output shaft 31 of a motor 30 supported to lie in a region of the center of the duct 29 as shown also in fig1 . the outer airflow opening 28 is formed in a side face of the outer wall 27 and is made open so that it faces in a direction essentially perpendicular to that in which the inner airflow opening 24 faces , thereby permitting the airflow produced by the fan 32 to be discharged sideways of the apparatus main body 1 . the apparatus main body 1 has a pair of engagement holes 33 formed at its inner top , with which the two engagement projections 22 formed on the top of the cartridge 2 are designed to engage , respectively . it also has a pair of grooves 34 and 34 formed in its inner bottom , two opposed surfaces , with which the two rails 23 and 23 formed on the cartridge 2 are designed to engage , respectively . with continued reference with fig4 , 5 , 8 and 11 , in the apparatus main body 1 the engagement protrusion piece 19 mentioned above is also internally equipped which with the cartridge 2 brought into engagement with the apparatus main body 1 is designed to engage with the hook 20 formed on the battery case 13 . this engagement protrusion piece 19 is so internally equipped as to be movable sideways by means of a spring 35 made integrally with its body portion from a plastic , within the apparatus main body 1 . the body portion of the engagement protrusion piece 19 as shown in fig1 is coupled , at its end 35 a opposed to the spring 35 in the direction of its sideway movement , to the engagement releasing button 6 that is slidably mounted on the outer wall 27 of the apparatus main body 1 . mounted to one inner , lower side face of the apparatus main body 1 in those areas corresponding in position to the cutouts 16 and 16 formed in the power supply housing 2 a is a pair of electric contacts 36 and 36 which are admitted into the battery case 13 through these cutouts 16 and 16 to contact the terminals of the battery cells 12 , respectively . these electric contacts 36 and 36 are each made of a wire that is elastic , and are electrically connected to the motor 30 via an on / off switch 37 included the outer wall 27 of the apparatus main body 1 . in its switching circuit is there a pilot lamp 38 connected that lights up when the switch 37 is turned on . this switching circuit may also have a timer 38 a connected in series with the switch 37 . the switch 37 is here designed to be turned on and off by means of a slide piece 39 exposed from the outer wall 27 . referring to fig2 , 3 and 4 , this fan type chemical diffusing apparatus is provided therefor with a clipping device or clip fastener 48 on the rear 27 a of the outer wall 27 of the apparatus main body 1 . the clip fastener 48 , i . e ., a device for fastening by a clip the apparatus to an object such as an apparel of the user comprises a clip 40 having a hole 41 and deformably fastened to the rear surface 27 a of the outer wall 27 of the apparatus main body 1 , and a raised portion or projection 42 formed to rise from the rear surface 27 a of the outer wall 27 and adapted to enter the hole 41 in the clip 40 . the clip 40 is made in the form of a tongue and has its root portion joined to a supporting mount 44 joined to the rear surface 27 a of the outerwall 27 of the apparatus main body , both unitarily by an integrated assembling method . and , as the clip 40 is viewed laterally , it is configured to be spaced from the rear wall surface 27 a in a region near the root portion . then , the clip 40 in an area closer to its end a little towards the root portion becomes closest to the rear wall surface 27 a to provide a pressure foot 40 a therefor and in an area from the pressure foot portion 40 a to the end leaps away from the rear wall surface 27 a , describing a circular arc . because of the hole 41 formed in the clip 40 , two or a pair of such pressure foots 40 a are created at the opposite sides of the hole 41 , respectively , namely placed in a line perpendicular to the direction in which the clip 40 is inserted with . and , it is between these pressure foots 40 a that the projection 42 that enters this hole 41 is formed on the rear surface 27 a of the outer wall 27 . this projection 42 as viewed laterally is formed to intersect the pressure foots 40 a , and a space 45 is made up in a region between the root portion of the clip 40 and the rear wall surface 27 a . the supporting mount 44 to which the root portion of the clip 40 is fastened in flush therewith and the end of the clip 40 are arranged to lie at the same height h from the rear surface 27 a of the outer wall 27 . the supporting mount 44 is provided at its center with a strap threading hole 43 through which a strap is threaded . with the clip device 48 so constructed as mentioned above , hooking the clip 40 on the hem of a pocket on the upper wear allows this hem 49 of pocket as shown in fig1 to be inserted into the space between the clip 40 and the rear surface 27 a of the outer wall 27 . then , the pocket hem 49 is pressed down or against the rear wall surface 27 a with the pressure foots 40 a and 40 a located at the opposite sides of the hole 41 in the clip and pressed up in the hole 41 , off the pressure foots 40 a and 40 a , with the projection 42 , thereby held down and gripped in a wavy pattern . as a result , even if an object to be gripped on and fastened to is a thin one such as the pocket hem 49 , the fan type chemical volatilizing and diffusing apparatus is firmly caught on and fastened to it . on the other hand , a thick object being the case will cause the clip 40 to deform in proportion to its thickness and the space between the clip 40 and the rear surface 27 a to be forced to widen . this makes even greater the spring pressure applied on it than on the thin object , thereby fastening the apparatus even more firmly thereto . further , with the object to be caught by the clip being a waist belt , the belt will be caught in the space 45 between a region of the root portion of the clip 40 and the rear surface 27 a of the outer wall 27 , thereby holding the apparatus fastened thereto without falling off . the feature that the supporting mount 44 and the clip 40 are made even in height from the support surface 27 a enables an object to be smoothly inserted between the clip 40 and the support surface 27 a . the feature also enables the fan type chemical volatilizing and diffusing apparatus to be horizontally placed such as on a table by simply placing the apparatus with the clip 40 facing down . in the form of embodiment described above , it is also possible to configure the clip 40 with a number of pressure foot portions 40 a spaced apart from one another in the form of the teeth of a comb and a number of projections 42 each designed to enter between adjacent such pressure foot portions 40 a as mounted on the rear support surface 27 a of the outer wall 27 of the apparatus main body . in the form of embodiment described above , at least of one of an inner surface area of the pressure foot portion 40 a of the clip 40 , a surface area of the outer wall 27 that opposes the inner surface area of the pressure foot portion 40 a and a surface area of the raised portion 42 is made uneven to provide a slip resistance for the object . the uneven portion may be made of a plurality of raised streaks , a large number of punctate projections or an uneven surface having a slip resistance . an explanation in detail is next given in respect of the chemical receptacle 3 with reference to fig1 to 16 . the chemical receptacle 3 as shown in fig1 a and 15b includes a receptacle main body 3 a formed of a cylindrical wall 7 having its one end closed with an end wall 8 formed with a large number of vent holes 9 . the chemical receptacle 3 as shown in fig1 a and 16b also includes a lid body 3 b formed of a cylindrical wall 7 ′ having its one end closed with an end wall 8 ′ formed with such vent holes 9 . here , the cylindrical wall 7 ′ of the lid body 3 b has an outer diameter such that the cylindrical wall 7 ′ is closely fitted in the cylindrical wall 7 of the receptacle main body 3 a as received by its inner surface . further , the end wall 8 ′ of the lid body 3 b is larger in diameter than the cylindrical wall 7 ′ so that its periphery provides a flange 7 a ′ for the cylindrical wall 7 ′. the flange 7 a ′ is made substantially equal in outer diameter to the cylindrical wall 7 of the receptacle main body 3 a . further , one of the inner surface of the cylindrical wall 7 of the receptacle main body 3 a and the outer surface of the cylindrical wall 7 ′ of the lid body 3 b where they are fitted with each other as shown in fig1 and 14 , is formed with an annular recess 82 and the other is formed with an annular projection 83 . furthermore , the receptacle main body 3 a is formed on its periphery with an annular projection 7 a to enable its detachable engagement with the receptacle retainer 4 in the fan type chemical volatilizing and diffusing apparatus . the cylindrical wall 7 ′ of the lid body 3 b as shown enlarged in fig1 has its inner surface cylindrical surface that is tapered in an end portion 7 b ′ thereof to become wider outwards . on the other hand , the inner surface of the cylindrical wall 7 of the receptacle main body 3 a , too , is likewise tapered in an end portion 7 b thereof to widen outwards . with the chemical receptacle 3 so constructed as mentioned above , fitting the cylindrical wall 7 ′ of the lid body 3 b into the inner surface of the cylindrical wall 7 of the receptacle main body 3 a unites the two bodies 3 a and 3 b together as shown in fig1 . then , the flange 7 a ′ of the lid body 3 b comes into contact with the end face of the cylindrical wall 7 of the receptacle main body 3 a . also , with the annular recess and projection 82 and 83 of the cylindrical walls 7 and 7 ′ brought into engagement with each other , the two bodies 3 a and 3 b are even more firmly joined together . this arrangement when the receptacle main body 3 a filled with a mass of chemical impregnated discrete bodies or particles 10 is closed with the lid body 3 b prevents the chemical impregnated discrete bodies or particles from getting into the end face of the receptacle main body 3 a and the end wall of the lid body 3 b because it permits the lid body 3 b to come to be fitted into the receptacle main body 3 a while driving a fraction of chemical impregnated bodies or particles in contact with the cylindrical wall 7 of the receptacle main body 3 a to move towards the inside of the receptacle main body 3 a . then , the outwards widening taper surface 7 b ′ provided at the end portion of the cylindrical wall 7 ′ in its inner surface of the lid body 3 b causes the lid body 3 b to be fitted into the receptacle main body 3 a while thrusting aside the chemical impregnated bodies 10 inwards of the receptacle main body 3 a . the chemical receptacle having the chemical receptacle main body 3 a and the lid body 3 b fitted with each other is here made symmetrical in shape about the annular projecting engagement rim 7 a . this permits the chemical receptacle 3 when inserted into the receptacle retaining section 4 in the fan type chemical volatilizing and diffusing apparatus to be inserted by making either the end wall 8 or 8 ′ face it . the chemical receptacle 3 is composed of a material that is impermeable with a chemical . for example , aluminum , stainless steel and glass are effective . in an economical consideration , an inexpensive plastic is effective . in this case , a polyester plastic is used that is chemical impermeable , inexpensive and good in both safety and stability . by the way , a technology expected to be significant in future is currently under development , which overcoats an inexpensive resin with a permeation preventing agent without contact . the chemical receptacle composed of a plastic may be impregnated and / or coated with a uv absorber on its inner and / or outer surface so as to be prevented from degrading by light . the construction material such as plastics may be impregnated with antioxidant to have an enhanced resistance property . mention is next made of assembling the apparatus in this form of embodiment as well as its operation . to build up the apparatus so constructed as mentioned above , the battery case 13 loaded with the battery cells 12 is inserted and loaded into the power supply accommodating section 11 in the cartridge 2 , and the chemical receptacle retaining section 4 in the cartridge 2 so loaded is loaded with the chemical receptacle 3 to hold it . the cartridge 2 so loaded is slid along the inner wall 25 into the apparatus main body 1 and thereby incorporated therein . then , the engagement projections 22 and 22 on the cartridge 2 are engaged with the engagement holes 33 of the apparatus main body 1 , the rails 23 and 23 with the grooves 34 and 34 , and further the hook 20 on the outer wall 17 of the battery case 13 with the engagement protrusion piece 19 ; hence the cartridge 2 fitted into engagement with the apparatus main body 1 . the engagement protrusion piece 19 is then moved along a cam profile 20 a of the hook 20 to engage with a jaw portion of the hook 20 . in this state , the inner airflow opening 24 formed in the upper inner wall 25 of the apparatus main body 1 is opposed to the chemical receptacle 3 in the cartridge 2 . also , the electrical contacts 36 and 36 mounted to one inner , lower side face of the apparatus main body 1 enters the cutouts 16 and 16 from which they come into contact with the terminals of the battery cells 12 and 12 in the battery case 13 , thereby making up the electric circuit for the motor 30 . then , the switch 37 is turned on by sliding the slide piece 39 to drive the motor 30 and in turn the fan 32 . outside air is thus drawn past the chemical receptacle 3 to flow in through the inner airflow opening 24 , which past the duct 29 is discharged through the outer airflow opening 28 . this causes the chemical ingredient impregnated in the chemical impregnated body 10 within the chemical receptacle 3 to volatilize in the airflow passing therethrough and then to diffuse through the outer airflow opening 28 into the atmosphere . the airflow that the fan 32 produces in the apparatus in this way does flow remote from the battery 12 . turning the switch 37 on for the driving of the fan 32 also electrically energizes the pilot lamp 38 to light it , indicating that the apparatus is in operation . further , the timer 38 a if included in the switch circuit enables the state of the apparatus turned on to be switched off after a given time period . the cartridge 2 is detached from the apparatus main body 1 by pressing the loading release button 6 inwards to disengage the engagement protrusion piece 19 from the hook 20 . the outer airflow opening 28 is formed with a plurality of cross pieces 28 a to allow air to flow out past interstices between formed thereby . these cross pieces 28 a are provided to prevent entry of a finger or a foreign matter into the apparatus main body 1 , and to play a role to avert a danger and to prevent the fan from halting . for the pilot lamp 38 that is lit by its electrical energization with the switch 37 turned on , use is advantageously made of a light emitting diode ( led ) to save consumption of the battery energy . an led consumes only 15 % or less of the total current consumption of the apparatus . the pilot lump 38 then gradually falls off in intensity as the battery falls in voltage , and goes out when it becomes dead . also in the form of construction described , the chemical receptacle 3 used can be altered in volume or size as desired simply by changing the size of projection of its retainer 2 b from the chemical receptacle retaining section 4 . on the other hand , the battery cells 12 used can be altered in number and size , d ( r20 ), c ( r14 ), aa ( r6 ), as desired by changing the size of the power supply accommodating section 11 of the power supply housing 2 a and the size of the battery case 13 . fig1 shows an example as the second form of the apparatus according to the present invention in which the power supply accommodating section 11 and the battery case 13 in the power supply housing 2 a are made larger in size to have four battery cells 12 accommodated therein . in this instance , leaving the hook 20 unaltered in position on the outer wall 17 of the battery case 13 allows the apparatus main body 1 to be used in common as it is without changing its size . further , changing the apparatus main body in volume with respect to the cartridge 2 can change the fan and the motor in volume as desired . in these forms of embodiment of the invention , variations in size of the chemical receptacle 3 may be prepared that vary in chemical consumed ( lasting ) time period for selection and interchange . further , variations in battery capacity of the power supply housing 2 a may be prepared that vary in battery exhausted ( used up ) time period for selection and interchange . furthermore , the ability in the forms of embodiment described to change the apparatus main body 1 in volume makes it possible to change the fan and motor ( blower ) in size to be included therein , thereby permitting a desired wind velocity and airflow capacity to be selected in compliance with a place where the apparatus is used . and , the apparatus according to the present invention has enabled the time period for the chemical to be used up and the time period for the battery to be used up to coincide with each other . this makes it possible for the apparatus when the chemical therein has lost its efficacy to become ready for reuse just upon exchanging the cartridge 2 . while in describing the foregoing forms of embodiment , mention is made of using a battery for the power supply , the power supply may be a commercial power supply . then , the power supply accommodating section 11 in the power supply housing 2 a is provided with a plug to be inserted to a domestic plug socket and has a power converter incorporated therein that converts commercial electric power to power in the form adapted for the motor 30 to drive the fan 32 . it is also possible to make the apparatus usable with either the commercial power supply or the battery on selection . for example , in the use of the commercial power supply , the circuit for the battery is made blocked from the circuit for the apparatus main body . alternatively , the power supply may be a rechargeable battery that is charged as it may or does demand . as will be apparent from foregoing description , it has become possible to relatively position the chemical receptacle 3 and the power supply so each of them receives substantially no limitation in capacity or volume from the other . it has also become possible to position the chemical receptacle 3 relative to the chemical receptacle retainer 2 a so it receives substantially no limitation in volume ( no limitation in its axial size ) from the latter . on the other hand , the apparatus main body 1 receives substantially no limitation in volume relative to the cartridge 2 , either . while in the forms of embodiment so far described , the chemical receptacle 3 is shown inserted from the inside of the chemical receptacle retaining section 4 of the chemical receptacle retainer 2 b and brought into engagement and retained therewith upon the annular projecting engagement rim 7 a getting over across the one set of projecting piece 21 b as shown in fig4 and 17 etc ., it may be made possible to insert the chemical receptacle 3 into the chemical receptacle retaining section 4 of the chemical receptacle retainer 2 a from the outside thereof . fig1 shows such an example as the third form of embodiment of the invention in which the receptacle retaining section 4 of the receptacle retainer 2 a has its outer open end sufficient in size to accept the annular projecting engagement rim 7 a formed on the chemical receptacle 3 . a first and a second set of more than one , e . g ., three projecting pieces 21 a and 21 b are here again formed both rising from the inner surface of the receptacle retaining section 4 and designed to axially catch and hold the annular projecting engagement rim 7 a between them . here , the set of projecting pieces 21 b are arranged to lie at the outer open end of the receptacle retaining section 4 and outer of the projecting pieces 21 a , permitting the chemical receptacle 3 to be inserted from the outside of the chemical retainer 2 b and caught held by the receptacle retaining section 4 upon the annular projection 7 a getting over across the projecting pieces 21 b . it is also made possible to insert the chemical receptacle 3 into the chemical receptacle retaining section 4 of the chemical retainer 2 b from the outside thereof by providing an arrangement in which the chemical receptacle 3 is threaded into the chemical receptacle retaining section 4 . adopting this form of embodiment make it possible to exchange the chemical receptacle 3 without disengaging the cartridge 2 from the apparatus main body 1 and thus facilitates exchanging the chemical receptacle 3 . fig1 and 20 show the fourth form of embodiment of the present invention in which the outside of the outer airflow opening 28 and the outside of the chemical receptacle retaining section 4 in the apparatus main body are covered with a first and a second hood 51 and 52 , respectively . the first hood 51 is configured so as to cover the upper side of the outer airflow opening 28 therewith and designed to lie detachably held by engagement portions 53 mounted on an area in the periphery of the outer airflow opening 28 . on the other hand , the second hood 52 is made in the form of a cylinder with its upper side made longer like a pent roof and is designed to stay disengageably fitted over the outward projection of the chemical receptacle retaining section 4 of the chemical receptacle retainer 2 a . this form of embodiment of the apparatus prevents in a rainfall drops of rain from getting into the outer airflow opening 28 and wetting the chemical in the chemical receptacle 3 . while in the forms of embodiment so far described , a chemical receptacle 3 is shown which is filled with a chemical impregnated body 10 that is impregnated with a chemical therein , it is possible to use , as shown in fig2 and 22 , a chemical receptacle 54 that is divided by a partition plate 55 into two compartments one of which is filled with a liquid chemical 56 and the other of which is loaded with an impregnatable body 57 . the body 57 is here impregnated with the liquid chemical 56 by means of a siphoning cord 58 passing through the partition 55 . in this case , the liquid chemical impregnated in the body 57 is allowed to volatilize in an airflow passing though the chemical receptacle 54 and thereby emitted into the outside . in this form of embodiment , the chemical receptacle 54 having its own upper and lower sides as mentioned above needs to be fitted with the chemical receptacle retaining section 4 of the cartridge 2 so that the compartment in which the liquid chemical 56 is stored lies in the underside while the apparatus is in service . fig2 shows the sixth form of embodiment of the present invention that reverses the direction of the airflow with respect to the chemical receptacle 3 and permits the airflow to be heated while passing through the chemical receptacle 3 . specifically in this form of embodiment , an axial fan 59 is coupled to the drive shaft 31 of the motor 30 so that the fan 59 faces the inner airflow opening 24 and , when the motor 30 is driven , produces an airflow directed to pass through the inner airflow opening 24 towards its outside . further , a heater 60 in the form of a disk is mounted between the fan 59 and an end face of the inner airflow opening 24 as held in an annular recess 61 formed in the upper inner wall 25 . the heater 60 is electrically connected in an electric circuit ( not shown ) to the power supply , parallel to the motor 30 driving the fan 59 . an on / off switch included in the electric circuit permits the heater 60 to be energized to heat up when needed . in this form of embodiment , a chemical volatilizing and diffusing air is emanated outwards of the chemical receptacle 3 . heating up the heater 60 makes it possible to raise the temperature of the airflow passing through the chemical receptacle 3 to accelerate chemical volatilization from the chemical integrated body 10 held in the chemical receptacle 3 . and , in this case , air is taken in through the outer airflow opening 28 . forms of embodiment shown in fig2 and 25 represent examples in which the chemical receptacle 3 attached to the apparatus for service is made variable in chemical capacity . that is , fig2 show the seventh form of embodiment of the present invention in which in the cartridge 2 holding the chemical receptacle 3 in the chemical receptacle retainer 2 b , one end of a coupling cylinder 62 is fitted over a portion of the chemical receptacle 3 that is exposed from the chemical receptacle retainer 2 b and another chemical receptacle 3 is fitted into the other end of the coupling cylinder 62 . this form of embodiment enables two chemical receptacles 3 to be coupled together coaxially by means of the coupling cylinder 62 , and makes the chemical capacity in service twice as large as in the previous forms of embodiment . also in this form of embodiment , the use of a plurality of coupling cylinders 62 permits a plurality of chemical receptacles 3 to be coupled one to another in succession and allows the chemical capacity in service to be selected at any desired multiple of that for a single chemical receptacle . further , the coupling cylinder 62 may be configured to extend its cylindrical wall from the annular projecting engagement rim 7 a on the chemical receptacle 3 so that it may be united with this additional receptacle 3 . still further , the fit may be not only a slide fit but also a thread fit . fig2 shows an example as the eighth form of embodiment of the present invention in which a single chemical receptacle 63 can have its chemical capacity varied according to the position at which its lid body 63 b is fitted into its main body 63 a . the receptacle main body 63 a here is formed in its inner surface with three annular grooves 64 a , 64 b and 64 c axially spaced apart by a suitable distance . on the other hand , the lid body 63 b has an elongated cylindrical sidewall ( engagement portion ) 63 c that can be fitted into the receptacle main body 63 a and on which an annular projection 65 is formed for engagement with any one of these annular grooves 64 a , 64 b and 64 c . and , selecting which of these annular recesses 64 a , 64 b and 64 c in the receptacle main body 63 a the annular projection 65 on the cylindrical sidewall 63 c is engaged with variably establishes the depth of fit by which the cylindrical sidewall 63 c can be fitted with the receptacle main body 63 a and hence the capacity of the chemical receptacle 63 . the annular projecting engagement rim 7 a on the receptacle main body 63 a in the chemical receptacle 63 according to this form of embodiment is positioned spaced apart from the bottom surface by the same distance a as in the chemical receptacle 3 shown in fig4 . this makes it possible for this chemical receptacle 63 to be detachably engaged with the chemical receptacle retainer 2 b of the cartridge 2 and held thereby in the same manner as the chemical receptacle 3 shown in and described in connection with fig4 . in this form of embodiment , the capacity or volume of the chemical receptacle 63 is varied stepwise by an amount corresponding to the distance or spacing between adjacent annular recesses 64 a to 64 c . instead of the slid fit described , adopting a threaded coupling by threading the cylindrical sidewall of the lid body into the receptacle main body to form the chemical receptacle makes it possible to steplessly change the depth or extent to which the lid body is inserted and in turn the volume of the receptacle , by changing the depth of threading . fig2 shows the ninth form of embodiment of the present invention as an example that employs a bellows for the sidewall of a chemical receptacle 66 in its receptacle main body 66 a . the receptacle main body 66 a of the chemical receptacle 66 is made of an inner portion 66 c located inside of the chemical receptacle retainer 2 b and an outer portion 66 b exposed from the latter , and which portion 66 b is here constituted with the bellows . the outer portion 66 b has its one end face formed with a large number of vent holes 9 and has at its other end a flange 67 that comes into engagement with an end of the inner portion 66 c . in this form of embodiment , changing the degree of expansion and contraction of the bellows forming the outer portion 66 b enables the chemical capacity in the chemical receptacle 66 to be varied . fig2 to 29 shows the tenth form of embodiment of the present invention as an example in which changing the airflow rate passing through a chemical receptacle 68 varies the rate of volatilization of the chemical therefrom . the chemical receptacle 68 has a pair of end faces each of which is formed with vent holes 9 . one of these end faces is provided with a plurality of radially extending vent regions 68 a equiangularly spaced apart from one another about its center and in which such vent holes 9 are formed as shown . and , the one end face in its outside has a shutter 69 mounted turnably supported on a pin 70 , and the shutter 69 is formed with a plurality of radially extending open windows 71 equiangularly spaced apart from one another . this shutter 69 when turned is designed to uncover with these open windows 71 , and to cover with its unopen areas , the vent holes 9 in the vent regions 68 . thus in this form of embodiment , changing the areas that the open windows 71 overlap with the vent regions 68 a for the chemical receptacle 68 enables the rate of the airflow through the chemical receptacle 68 to be adjusted . fig3 and 31 shows the eleventh form of embodiment of the present invention as an example in which the power supply housing 2 a and the chemical receptacle retainer 2 b that make up the cartridge 2 are made separate and can be disjoinably joined together . the chemical receptacle retainer 2 b is formed at its end with a pair of engagement projections 22 for engagement with corresponding holes 33 formed in the apparatus main body 1 . it also has a pair of rails 23 a and 23 a formed on its lower opposite sides for engagement with corresponding grooves 34 and 34 formed in the apparatus main body 1 in its lower inside opposite surfaces . on the other hand , the power supply housing 2 a on has a pair of rails 23 b and 23 b formed on its outer opposite sides for engagement with the grooves 34 and 34 in the apparatus main body 1 , with which the rails 23 a and 23 a on the chemical receptacle retainer 2 b are designed to also engage . in the construction mentioned above , the cartridge 2 is assembled with the apparatus main body 1 first by bringing the chemical receptacle retainer 2 b loaded with the chemical receptacle 3 into engagement with the apparatus main body , this by engaging the engagement projections 22 with the corresponding holes 33 and engaging the two rails 23 a and 23 a with the corresponding grooves 34 and 34 . then , the power supply housing 2 a is inserted into the apparatus main body 1 first by engaging the two rails 23 b and 23 b with the corresponding grooves 34 and 34 and sliding those rails in these grooves until the end of the power supply housing 2 a comes in contact with the lower surface of the chemical receptacle retainer 2 b . then , the hook 20 formed on the outer wall 17 of the battery case 13 in the power supply housing 2 a is brought into engagement with the engagement protrusion piece 19 in the apparatus main body 1 to complete assembling the power supply housing 2 a into the apparatus main body 1 . this form of embodiment enables the power supply housing 2 a and the chemical receptacle retainer 2 b to be exchanged individually with respect to the apparatus main body 1 . further , while in the various forms of embodiment of the present invention described in the foregoing the chemical receptacle is shown to be engaged with and thereby held by the apparatus main body by means of the chemical receptacle retainer , it is also possible to make the chemical receptacle and the chemical receptacle retainer in one piece or integrated . it is further possible to make the chemical receptacle loadable directly into the apparatus main body without intermediary of the chemical receptacle retainer . for the chemical , i . e ., the active ingredient , employed in each of the various forms of embodiment of the invention described above , use may be made of an aromatic or fragrant agent , a deodorant , a microbicide , an acaricide , a harmful insect or animal repellent , an insecticide , an insectifuges , an insect growth control agent , a sucking action inhibitor or the like , which is volatile , singly or in a combination . for example , in killing insects , any one or more of a variety of volatile insecticides so far used may be utilized . illustrative are pyrethroid insecticides , carbamate insecticides and organophosphorus insecticides pyrethroid insecticides are known to be high in safety and have been used well , of which preferred examples are listed below , each given in the order of the general name , the chemical and the parenthesized trade name followed by the producer . allethrin : d1 - 3 - allyl - 2 - methyl - 4 - oxo - 2 - cyclopentenyl d1 - cis / trans - chrysanthemat ( pynamin , sumitomo chemical co .) d1 • d - t80 - allethrin : d1 - 3 - allyl - 2 - methyl - 4 - oxo - 2 - cyclopentenyl d - cis / trans - chrysanthemat ( pynamin forte , sumitomo chemical co .) d1 • d - t - allethrin : d1 - 3 - allyl - 2 - methyl - 4 - oxo - 2 - cyclopentenyl d - trans chrysanthemat ( bioallethrin ) d • d - t - allethrin : d - 3 - allyl - 2 - methyl - 4 - oxo - 2 - cyclopentenyl d - trans chrysanthemat ( esbiol ) d • d - t80 - prallethrin : (+)- 2 - methyl - 4 - oxo - 3 -( 2 - propionyl )- 2 - cyclopentenyl (+)- cis / trans - chrysanthemat ( etoc , sumitomo chemical co .) resmethrin : 5 - benzyl - 3 - furylmethyl d1 - cis / trans - chrysanthemat ( chrythron , sumitomo chemical co .) d • d - t80 - resmethrin : 5 - benzyl - 3 - furylmethyl d - cis / trans - chrysanthemat ( chrythron forte , sumitomo chemical co .) empenthrin : 1 - ethynyl - 2 - methyl - 2 - pentenyl d1 - cis / trans - 3 -( 2 , 2 - dimethyl vinyl )- 2 , 2 - dimethyl - 1 - cyclopropane carboxylate ( vaporthrin , sumitomo chemical co .) terallethrin : d1 - 3 - allyl - 2 - methyl - 4 - oxo - 2 - cyclopentenyl - d1 - cis / trans - 2 , 2 , 3 , 3 - tetramethyl - cyclopropane carboxylate ( knoxthrin , sumitomo chemical co .) phthalthrin : n -( 3 , 4 , 5 , 6 - tetrahydrophthalimide )- methyl d1 - cis / trans chrysanthemat ( neopynamin , sumitomo chemical co .) d • d - t80 - phthalthrin : ( 1 , 3 , 4 , 5 , 6 , 7 - hexahydro - 1 , 3 - dioxo - 2 - indolyl ) methyl d1 - cis / trans - chrysanthemat ( neopynamin forte , sumitomo chemical co .) furamethrin : 5 - propargyl - 2 - furylmethyl d - cis / trans - chrysanthemat ( pynamin d , sumitomo chemical co .) permethrin : 3 - phenoxybenzyl dl - cis / trans - 3 -( 2 , 2 - dichlorovinyl )- 2 , 2 - dimethyl - 1 - cyclopropanecarboxylate ( eksmin , sumitomo chemical co .) phenothrin : 3 - phenoxybenzyl d - cis / trans - chrysanthemat ( sumithrin , sumitomo chemical co .) imiprothrin : 2 , 4 - dioxo - 1 -( prop - 2 - inyl )- imidazolidine - 3 - yl methyl ( 1r )- cis / trans - chrysanthemat ( pralle , sumitomo chemical co .) fenvalerate : α - cyano - 3 - phenoxybenzyl - 2 -( 4 - chlorophenyl )- 3 - methyl butylate ( sumicidin , sumitomo chemical co .) cypermethrin : α - cyano - 3 - phenoxybenzyl d1 - cis / trans - 3 -( 2 , 2 - dichlorovinyl )- 2 , 2 - dimethyl cyclopropane carboxylate ( agrothrin , sumitomo chemical co .) cyphenothrin : (±) α - cyano - 3 - phenoxybenzyl (+)- cis / trans - chrysanthemat ( gokilaht , sumitomo chemical co .) ethofenprox : 2 -( 4 - ethoxyphenyl )- 2 - methyl propyl - 3 - phenoxybenzyl ether ( trebon ) tefluthrin : 2 , 3 , 5 , 6 - tetrafluoro - 4 - methyl benzyl - 3 -( 2 - chloro - 3 , 3 , 3 - trifluoro - 1 - propenyl )- 2 , 2 - dimethyl - 1 - cyclopropane carboxylate fenpropathrin : α - cyano - 3 - phenoxybenzyl cis / trans - 2 , 2 , 3 , 3 - tetramethyl cyclopropane carboxylate fenfluthrin : 2 , 3 , 4 , 5 , 6 - pentafluorobenzyl - d1 - cis / trans - 3 -( 2 , 2 - dichlorovinyl )- 2 , 2 ′- dimethyl - 1 - cyclopropane carboxylate 1 - ethynyl - 2 - methyl - 2 - pentenyl cis / trans - 2 , 2 , 3 , 3 - tetramethyl - 1 - cyclopropane carboxylate for specific examples of the organophosphorus insecticides may be listed the following : diazinon : ( 2 - isopropyl - 4 - methyl pyrimidil - 6 )- diethyl thiophosphate ( diazinon ) fenitrothion , mep ; o , o - dimethyl - o -( 3 - methyl - 4 - nitrophenyl ) thiophosphate ( sumithion ) pyridaphention ; o , o - dimethyl - o -( 3 - oxo - 2 - phenyl - 2h - pyridazin - 6 - yl ) phosphorothioate ( ofunack ) malathion : dimethyl dicarbetoxy ethyl dithiophosphate ( malathon ) dipterex : o , o - dimethyl - 2 , 2 , 2 - trichloro - 1 - hydroxyethyl phosphonate chlorpyrifos : o , o - dimethyl - o -( 3 , 5 , 6 - trichlor - 2 - pyridyl )- phosphorothioate fenthion : o , o - dimethyl - o -( 3 - methyl - 4 - methylthiophenyl )- phosphorothioate ( baytex ) dichlorvos : o , o - dimethyl - 2 , 2 - dichlorovinylphosphate ( ddvp ) propetamphos : o -[( e )- 2 - isopropoxycarbonyl - 1 - methylvinyl ]- o - methylethylphosphoramidethioate ( safurotin ) abate : o , o , o ′, o ′- tetramethyl - o , o ′- thiodi - p - phenylene phosphorothioate prothiofos : dithiophosphoric acid o - 2 , 4 - dichlorophenyl o - ethyl s - propyl ester ( tokuthion ) phoxim : o , o - diethyl - o -( α - cyano benzylidene amino ) thiophosphate imidacloprid : 1 -( 6 - chloro - 3 - pyridylmethyl )- n - nitro imidazolidin - 2 - ylideneamine ( admire ) acetamiprid : ( e )- n 1 -[( 6 - chloro - 3 - pyridyl ) methyl ]- n 2 - cyano - n 1 - methyl acetone amidine ( mospilan ) for specific examples of the growth control agent may be listed the following : pyriproxyfen : 4 - phenoxy phenyl ( rs )- 2 -( 2 - pyridyl oxy ) propyl ether methoprene : 11 - methoxy - 3 , 7 , 11 - trimethyl - 2 , 4 - dodecadienoic acid - 1 - methyl ethyl ester hydroprene : ethyl ( 2e , 4e )- 3 , 7 , 11 - trimethyl - 2 , 4 - dodecadienoate phenoxy carb : ethyl [ 2 -( 4 - phenoxy phenoxy ) ethyl ] carbamate for specific examples of the insect repellent may be listed the following : n , n - diethyl - m - toluamid ( deet ) dimethyl phthalate dibuthyl phthalate 2 - ethyl - 1 , 3 - hexane diol 1 , 4 , 4 a , 5 a , 6 , 9 , 9 a , 9 b - octahydrodibenzofuran - 4 a - carb ardehyde di - n - propyl isothinchomeronate p - dichloro benzene di - n - butyl succinate diethyl amid caprate n - propyl acetanilide β - naphthol camphor in addition to an anti - oxidizing agent and an ultraviolet absorbing agent for preventing degradation of the active ingredient described , there may be incorporated an inhibitor , depressor and / or retardant for adjusting the amount of volatilization of the active ingredient , a substance or substances having a function or functions of giving out fragrance , deodorizing and / or sterilizing as desired in accordance with the present invention . also , an aromatic or fragrant agent , adeodorant , a microbicide each can be singly volatilized in the nature of things . although the present invention has been described hereinbefore in terms of the presently preferred forms of embodiments with respect to or embodied in a fan type chemical diffusing apparatus , a chemical receptacle therefor and a clip type fastening device therefor , it is to be understood that such disclosure is purely illustrative and is not to be interpreted as limiting . consequently , without departing from the spirit and scope of the invention , various alterations , modifications , and / or alternative applications of the invention will , no doubt , be suggested to those skilled in the art after having read the preceding disclosure . accordingly , it is intended that the following claims be interpreted as compassing all alterations , modifications , or alternative applications as fall within the true spirit and scope of the invention .
a fan type chemical dispersion equipment , wherein a chemical container and a power supply storage body are disposed detachably from an equipment body and so as not to be volumetrically limited with each other , whereby , because the equipment body , chemical container , and power supply storage body can be volumetrically formed independently of each other , the settings of a chemical holding amount relative to a fan air blow amount and long or short service time can be performed easily , the chemical container being capable of preventing a chemical impregnated body from being caught between the end face of a chemical container body and a cover body , and a clip device being capable of firmly fixing the fan type chemical dispersion equipment to the held materials ranging from thin to thick ones .