Fog generator for insecticides and the like

Claim 2

A fog generator for connectably receiving and liberating pressurized liquid material from an aerosol container having a valve fitting with a coupling member and with an opening therethrough exposing a depressible valve element therein operable to liberate said liquid material, including; a supportable shell with a chamber therein and having a coupling complementary to and releasably engageable with the first mentioned coupling member, material processing means within said chamber and having a discharge tube opening from within the chamber to outside atmosphere, and a control-delivery means comprising a tubular operating stem in communication at its opposite ends with the valve fitting opening and discharge tube respectively and shiftably carried and operable to engage and to depress the said valve element of the valve fitting of the aerosol container when it is connected with said coupling and thereby liberate liquid material into said valve fitting opening and into and through the operating stem for release and exposure within the discharge tube for processing and subsequent discharge to outside atmosphere.

Claim 3

The fog generator as set forth in claim 1 and wherein the shell and coupling thereof are of coaxial form establishing a ''''wand''''-like extension of the aerosol container connected thereto.

Claim 4

The fog generator as set forth in claim 1 and for an aerosol with a coupling member that is threaded, and wherein the coupling of the generator is threaded and is threadedly engageable with said threaded coupling member for connection of the aerosol container to the generator.

Claim 5

The fog generator as set forth in claim 1, and for an aerosol container that has a reinforced encirclement surrounding the coupling member that is threaded, and wherein the coupling of the gEnerator is threaded and is threadedly engageable with said threaded coupling member, and wherein the coupling of the generator has an end face normal to its threaded axis to seat on the said reinforced encirclement when the generator coupling is threadedly engaged with the first mentioned aerosol coupling member thereby stabilizing the aerosol container relative to the generator.

Claim 6

The fog generator as set forth in claim 1 and for an aerosol with an access opening into the valve fitting, and wherein the stem of the control-delivery means is sealed in a gland carried by the coupling of the generator and projects therefrom into said opening in the valve fitting to engageably depress the element therein and liberate material therethrough.

Claim 7

The fog generator as set forth in claim 1 and for an aerosol with an access opening into the valve fitting, and wherein the stem of the control-delivery means is sealed in a gland carried by the coupling of the generator to have sealed engagement with the valve fitting, the stem projecting through the gland and into the sealed opening of the valve fitting to engageably depress the element and to transport liquid liberated therein.

Claim 8

The fog generator as set forth in claim 1 and for an aerosol with an access opening into the valve fitting, and wherein the stem of the control-delivery means is sealed in a gland carried by the coupling of the generator to have sealed engagement with the valve fitting and open laterally at its valve element engaging end, the stem projecting through the gland and into the opening of the valve fitting to engageably depress the element therein and to receive liquid liberated laterally thereinto.

Claim 9

The fog generator as set forth in claim 1 and wherein the stem of the control-delivery means has a shoulder engageable by a transversely disposed lever anchored to a fulcrum on the shell and projecting through a window in the shell for shifting and to engage with the shoulder to operate the stem to depress the valve element.

Claim 10

The fog generator as set forth in claim 1 and wherein the stem of the control-delivery means has a shoulder engageable by a transversely disposed lever anchored to a fulcrum on the shell and a spring seated in the coupling of the generator and holding the lever opposed to said shoulder, and said lever projecting through a window in the shell for shifting and to engage with the shoulder to operate the stem to depress the valve element.

Claim 11

The fog generator as set forth in claim 1 wherein the stem of the control-delivery means has a nozzle at its liberating end and is sealed in a gland carried by the coupling of the generator and opens laterally at its valve element engaging end, the tubular coupling of the generator having sealed engagement with the valve fitting, the stem projecting therefrom into the opening of the valve fitting to engageably depress the element therein and to receive liquid liberated laterally thereinto, and wherein the stem of the control-delivery means has a shoulder engageable by a transversely disposed lever anchored to a fulcrum on the shell and a spring seated in the coupling of the generator and holding the lever opposed to said shoulder, and said lever projecting through a window in the shell for shifting and to engage with the shoulder to operate the stem to depress the valve element.

Claim 12

A fog generator for connectably receiving and liberating pressurized liquid material from an aerosol container and processing it for subsequent gaseous discharge, said aerosol container having a valve fitting with a coupling member and with an opening therethrough exposing a depressible valve element therein operable to liberate said liquid material as a mist, including; a supportable shell with a chamber therein and having a coupling complementary to and releasably engageable with the first mentioned coupling member, mist processing means within said chamber and having a discharge tube opening from within the chamber to outside atmosphere and having heating mEans radiating heat into said discharge tube, and a control-delivery means comprising a tubular operating stem in communication at its opposite ends with the valve fitting opening and discharge tube respectively and shiftably carried and operable to engage and to depress the said valve element of the valve fitting of the aerosol container when it is connected with said coupling and thereby liberate liquid material into said valve fitting opening and into and through the operating stem for release and exposure within the discharge tube for subsequent absorption of radiated heat and gaseous discharge to outside atmosphere.

Claim 13

A fog generator for connectably receiving and liberating pressurized liquid material from an aerosol container and processing it for subsequent gaseous discharge, said aerosol container having a valve fitting with a coupling member and with an opening therethrough exposing a depressible valve element therein operable to liberate said liquid material as a mist, including; a supportable shell with a chamber therein and having a coupling complementary to and releasably engageable with the first mentioned coupling member, mist processing means within said chamber and having a discharge tube opening from within the chamber to outside atmosphere and having heating mEans radiating heat into said discharge tube, and a control-delivery means comprising a tubular operating stem in communication at its opposite ends with the valve fitting opening and discharge tube respectively and shiftably carried and operable to engage and to depress the said valve element of the valve fitting of the aerosol container when it is connected with said coupling and thereby liberate liquid material into said valve fitting opening and into and through the operating stem for release and exposure within the discharge tube for subsequent absorption of radiated heat and gaseous discharge to outside atmosphere.

Claim 14

The gaseous fog generator as set forth in claim 11 and wherein the shell and coupling thereof are of coaxial form establishing a ''''wand''''-like extension of the aerosol container connected thereto.

Claim 15

The gaseous fog generator as set forth in claim 11 and for an aerosol with a coupling member that is threaded, and wherein the coupling of the generator is threaded and is threadedly engageable with said threaded coupling member for connection of the aerosol container to the generator.

Claim 16

The gaseous fog generator as set forth in claim 11 and for an aerosol container that has a reinforced encirclement surrounding the coupling member that is threaded, and wherein the coupling of the generator is threaded and is threadedly engageable with said threaded coupling member, and wherein the coupling generator has an end face normal to its threaded axis to seat on the said reinforced encirclement when the generator coupling is threadedly engaged with the first mentioned aerosol coupling member thereby stabilizing the aerosol container relative to the generator.

Claim 17

The gaseous fog generator as set forth in claim 11 and for an aerosol with an access opening into the valve fitting, and wherein the stem of the control-delivery means is sealed in a gland carried by the coupling of the generator and projects therefrom into said opening in the valve fitting to engageably depress the element therein and liberate material therethrough.

Claim 18

The gaseous fog generator as set forth in claim 11 and for an aerosol with an access opening into the valve fitting, and wherein the stem of the control-delivery means is sealed in a gland carried by the coupling of the generator to have sealed engagement with the valve fitting, the stem projecting through the gland and into the sealed opening of the valve fitting to engageably depress the element and to transport liquid liberated therein.

Claim 19

The gaseous fog generator as set forth in claim 11 and for an aerosol with an access opening into the valve fitting, and wherein the stem of the control-delivery means is sealed in a gland carried by the coupling of the generator to have sealed engagement with the valve fitting and open laterally at its valve element engaging end, the stem projecting through the gland and into the opening of the valve fitting to engageably depress the element therein and to receive liquid liberated laterally thereinto.

Claim 20

The gaseous fog generator as set forth in claim 11 and wherein the stem of the control-delivery means has a shoulder engageable by a transversely disposed lever anchored to a fulcrum on the shell and projecting through a window in the shell for shifting and to engage with the shoulder to operate the stem to depress the valve element.

Claim 21

The gaseous fog generator as set forth in claim 11 and wherein the stem of the control-delivery means has a shoulder engageable by a transversely disposed lever anchored to a fulcrum on the shell and a spring seated in the coupling of the generator and holding the lever opposed to said shoulder, and said lever projecting through a window in the shell for shifting and to engage with the shoulder to operate the stem to depress the valve element.

Claim 22

The gaseous fog generator as set forth in claim 11 wherein the stem of the control-delivery means has a nozzle at its liberating end and is sealed in a gland carried by the coupling of the generator and opens laterally at its valve element engaging end, the tubular coupling of the generator having sealed engagement with the valve fitting, the stem projecting therefrom into the opening of the valve fitting to engageably depress the element therein and to receive liquid liberated laterally thereinto, and wherein the stem of the control-delivery means has a shoulder engageably by a transversely disposed lever anchored to a fulcrum on the shell and a spring seated in the coupling of the generator and holding the lever opposed to said shoulder, and said lever projecting through a window in the shell for shifting and to engage with the shoulder to operate the stem to depress the valve element.

Claim 23

A fog generator for connectably receiving and liberating pressurized liquid material from an aerosol container and processing it with isolated heat for subsequent gaseous discharge, said aerosol container having a controllable material discharging valve fitting with a coupling member, including; a supportable shell with a chamber therein and a coupling projecting from the shell and with a remote end complementary to and releasably engageable with the first mentioned coupling member, material processing means within said chamber and having a discharge tube opening from within the chamber to outside atmosphere and having heating means radiating heat into said discharge tube, and a control-delivery tube shiftable to operate said valve fitting to deliver material from the said valve fitting into the discharge tube, said coupling being comprised of heat insulating members disposed between the shell and the valve fitting connected thereto.

Claim 24

A fog generator for connectably receiving and liberating pressurized liquid material from an aerosol container and processing it with isolated heat for subsequent gaseous discharge, said aerosol container having a controllable material discharging valve fitting with a coupling member, including; a supportable shell with a chamber therein and a coupling projecting from the shell and with a remote end complementary to and releasably engageable with the first mentioned coupling member, material processing means within said chamber and having a discharge tube opening from within the chamber to outside atmosphere and having heating means radiating heat into said discharge tube, and a control-delivery tube shiftable to operate said valve fitting to deliver material from the said valve fitting into the discharge tube, said coupling being comprised of heat insulating members disposed between the shell and the valve fitting connected thereto.

Claim 25

The gaseous fog generator for processing discharged aerosol material with isolated heat as set forth in claim 21, and wherein an insulating member extends between and joins the shell and said projecting coupling.

Claim 26

The gaseous fog generator for processing discharged aerosol material with isolated heat as set forth in claim 21, and wherein an insulating member extends between the remote end of and said coupling per se.

Claim 27

The gaseous fog generator for processing discharged aerosol material with isolated heat as set forth in claim 21, wherein an insulating member extends between the shell and said projecting coupling, and wherein an insulating member extends between the remote end of and said coupling per se.

Claim 28

Apparatus for forming a fog from the mist emerging from an aerosol container and comprising in combination; a discharge tube, means for controllably heating the discharge tube, a control-delivery tube having first and second ends, a coupling adapted to have an aerosol container attached thereto, means shiftably mounting said control-delivery tube so that said first end is proximate with one end of said discharge tube and said second end is inserted in said coupling, and means for moving said control-delivery tube along its axis whereby it can be shifted to control the flow of mist passing through it from said aerosol container when said container is attached to said coupling.

Claim 29

Apparatus for forming a fog from the mist emerging from an aerosol container and comprising in combination; a discharge tube, means for controllably heating the discharge tube, a control-delivery tube having first and second ends, a coupling adapted to have an aerosol container attached thereto, means shiftably mounting said control-delivery tube so that said first end is proximate with one end of said discharge tube and said second end is inserted in said coupling, and means for moving said control-delivery tube along its axis whereby it can be shifted to control the flow of mist passing through it from said aerosol container when said container is attached to said coupling.

Claim 30

Apparatus as set forth in claim 25 wherein said heating means and said discharge tube have more thermal inertia than that involved in merely heating the discharge tube, whereby said apparatus is operative to produce fog for a continued time.

Claim 31

Apparatus as set forth in claim 25 wherein there is provided; a shell surrounds said discharge tube and said heating means, a first wall of heat insulating material mounting said shell in fixed relation with respect to said discharge tube and in spaced relation to said heating means, and means mounting said coupling to said wall.

Claim 32

Apparatus for generating fog from the mist emitted from an aerosol container and comprising in combination; a discharge tube, a thermal storage unit surrounding said discharge tube, an electrical heating unit mounted in heat transfer relationship with said thermal storage means and said discharge tubE, a coupling to which an aerosol container may be attached, means mounting said coupling to said discharge tube, said means being comprised in part of thermal insulating material of tubular shape and substantial diameter to reduce the flow of heat from said heating unit to said coupling, a control-delivery tube, means shiftably mounting said control-delivery tube with one end in said coupling and the other in communication with an end of said discharge tube, and means moving said control-delivery tube along its length so that it can be shifted to actuate the valve mechanism of an aerosol container attached to said coupling and conduct the effluent from said container to said discharge tube.

Claim 33

Apparatus for generating fog from the mist emitted from an aerosol container and comprising in combination; a discharge tube, a thermal storage unit surrounding said discharge tube, an electrical heating unit mounted in heat transfer relationship with said thermal storage means and said discharge tubE, a coupling to which an aerosol container may be attached, means mounting said coupling to said discharge tube, said means being comprised in part of thermal insulating material of tubular shape and substantial diameter to reduce the flow of heat from said heating unit to said coupling, a control-delivery tube, means shiftably mounting said control-delivery tube with one end in said coupling and the other in communication with an end of said discharge tube, and means moving said control-delivery tube along its length so that it can be shifted to actuate the valve mechanism of an aerosol container attached to said coupling and conduct the effluent from said container to said discharge tube.

Claim 34

Apparatus for generating fog from the mist emitted from an aerosol container and comprising in combination; a discharge tube, an electrical heating unit mounted in heat transfer relationship with said discharge tube, a coupling to which an aerosol container may be attached, means mounting said coupling to said discharge tube, said means being comprised in part of thermal insulating material of tubular shape and substantial diameter to reduce the flow of heat from said heating unit to said coupling, a control-delivery tube, means shiftably mounting said control-delivery tube with one end in said coupling and the other in communication with an end of said discharge tube, and means moving said control-delivery tube along its length so that it can be shifted to actuate the valve mechanism of an aerosol container attached to said coupling and conduct the effluent from said container to said discharge tube.

Claim 35

Apparatus for generating fog from the mist emitted from an aerosol container and comprising in combination; a discharge tube, an electrical heating unit mounted in heat transfer relationship with said discharge tube, a coupling to which an aerosol container may be attached, means mounting said coupling to said discharge tube, said means being comprised in part of thermal insulating material of tubular shape and substantial diameter to reduce the flow of heat from said heating unit to said coupling, a control-delivery tube, means shiftably mounting said control-delivery tube with one end in said coupling and the other in communication with an end of said discharge tube, and means moving said control-delivery tube along its length so that it can be shifted to actuate the valve mechanism of an aerosol container attached to said coupling and conduct the effluent from said container to said discharge tube.

Claim 36

The fog generator as set forth in claim 1 and wherein the coupling of the supportable shell is of angular form with the tubular operating stem of the control-delivery means extending coaxially therethrough.

Claim 37

The fog generator as set forth in claim 11 and wherein the coupling of the supportable shell is of angular form with the tubular operating stem of the control-delivery means extending coaxially therethrough.

Claim 38

The fog generator as set forth in claim 21, wherein the coupling of the supportable shell is of angular form supporting the discharge tube of the material processing means to project laterally from the axis of the aerosol container, and wherein the control-delivery tube extends coaxially through said coupling and into the discharge tube.

Claim 39

The fog generating apparatus as set forth in claim 29, wherein the coupling is of angular form supporting the discharge tube and electrical heating unit to project laterally from the axis of the aerosol container, and wherein the control-delivery tube is of correspondingly angular form extending coaxially through said coupling and moved by the last mentioned means on the axis of the aerosol container to actuate the valve mechanism thereof.