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Disposable container

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Publication number
US3255972A
US3255972A US45490865A US3255972A US 3255972 A US3255972 A US 3255972A US 45490865 A US45490865 A US 45490865A US 3255972 A US3255972 A US 3255972A
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Prior art keywords
container
end
rigid
collapsible
liquid
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Expired - Lifetime
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Ralph J Hultgren
Gutierrez Julian
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HULTGREN
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2481Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device with a flexible container for liquid or other fluent material
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks, sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042Adding fertiliser to watering systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/244Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle
    • B05B7/2443Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge
    • B05B7/2445Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using carrying liquid for feeding, e.g. by suction, pressure or dissolution, a carried liquid from the container to the nozzle the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge and a secondary stream of carrying liquid being brought together in the container or putting the carried liquid under pressure in the container

Description

June 14, 1966 R. J. HULTGREN ET AL 3,255,972

DISPOSABLE CONTAINER Original Filed March 12, 1964 34 INVENTORS. 35 w RALPH J HULTGREN 43 5 45 Jg/JAN GU77 ERREZ 7XWW/M/WM 46 37 46 A T TOFPNEYS United States Patent.

2 Claims. Cl. 239-318) This application is a division of our copending application, Serial No. 351,375, filed March 12, 1964, entitled prayer Construction, now US. Letters Patent 3,198,- 438.

This invention pertains to disposable containers for use in sprayers generally of the type adapted to be connected 1 to a hose for watering lawns or flowers and wherein an insecticide or liquid fertilizer is automatically mixed with the water stream.

In particular the invention pertains to sprayers of this character wherein the chemical to be mixed with the water stream is contained in a disposable collapsible container or cartridge having an aspirating tube extending into the water stream and further containing means for applying the stream water pressure to the outer surfaces of the collapsible container to force the liquid chemical through the aspirating tube into the water stream.

Prior art sprayers of this general type have a disadvantage in that the collapsible containers containing the liquid chemical are usually difficult to insert in the spray; are difiicult to remove after the chemical has been used with the result that the person replacing the disposable container comes into physical contact with the chemical; and are difficult to store since for proper operation the disposable containers should be highly resilient.

The present invention overcomes the above difficulties by providing a disposable liquid chemical container wherein the liquid chemical is contained in a highly resilient rubber or plastic collapsible container which in turn is mounted inside of a rigid container, the rigid container having an aspirating tube extending through the front end thereof into the collapsible container. The rigid container further has a plurality of apertures through'its front and rear ends so as to allow water from the water stream to apply pressure to the outer surface of the collapsible container.

It is one object of this invention to provide an improved disposable liquid chemical container for use with sprayers.

A 'further object of this invention is to provide a disposable liquid chemical container for a sprayer wherein the liquid chemical is contained in a highly resilient collapsible container which in turn is mounted in a rigid container.

A'still further object of this invention is to provide a disposable liquid chemical container for a sprayer wherein the liquid chemical is contained in a collapsible container which in turn is mounted in arigid container and wherein an aspirating tube extends through the rigid container into the collapsible container in such a manner that the aspirating tube is readily replaced by one having a different size bore.

These and other objects of the invention will become apparent to those skilled in the art upon consideration of the accompanying specification, claims and drawings of which:

FIG. 1 is a view in side elevation, a portion thereof being broken away and shown in section;

FIG. 2 is a view in top plan;

FIG. 3 is an enlarged view in vertical section as seen from the line 44 of FIG. 2;

FIG. 4 is an enlarged view in horizontal section as seen from the line 44 of FIG. 1;

FIG. 5 is a view in perspective of a disposable container used in the structure of FIG. 4; and

FIG. 6 is a view in bottom plan of the structure of FIG. 5.

Referring to the figures there is shown a sprayer 9 having a head assembly 10. Head assembly 10 has a mixing conduit or passageway 11 therethrough, the mixing conduit having an inlet end 12, an intermediate portion 13, and a restricted outlet orifice or outlet end 14. Inlet end 12 is internally threaded and is adapted to be connected to a source of liquid under pressure as, for example, the end of a normal garden hose, not shown.

Inlet end 12 is connected by means of an orifice 15 to the intermediate portion 13 of the mixing conduit. Intermediate portion 13 of the mixing conduit has a plurality of apertures 16 through the bottom wall 17 thereof, and adjacent apertures 16 and substantially centrally located in the bottom wall 17 of intermediate portion 13 is an aperture 18.

The restricted orifice, or outlet end, 14 extends through the front wall 20 of mixing conduit 11 into the intermediate portion 13. The front wall 20 of mixing conduit 11 extends vertically and a handle 21 extends parallel to conduit 11 from the upper rear surface of the extended end of wall 20.

A pressure valve 22 comprises a tapered resilient cylindrical plug 23 rigidly mounted on one end of a rod 24, the largest diameter of plug 23 being greater than the diameter of orifice 15. Valve 22 is positioned so that the plug 23 blocks orifice 15, the rod 24 extending through the intermediate portion 13 of mixing conduit 11 and through an aperture 25 in the front wall 20 of conduit 11, the end of rod 24 extending slightly beyond the front face of wall 20.

A lip 26 having laterally spaced apertures 27 therethrough extends outwardly from the bottom of front wall 20 of conduit 11. A trigger mechanism 28, for valve 22, comprises a stud 30 fast on the wall 20 intermediate the conduit 11 and handle 21 and extending outwardly from the front face thereof; stud 30 having a plate 31 slidably mounted thereon. The bottom edge of. plate 31 is provided with the ears 31a one each of which resides in one of the apertures 27 of lip 26, the width of plate 31, as indicated in FIG. 3, being less than the width of aperture 27 so that cars 31a of plate 31 has a limited pivotal movement in aperture 27. Plate 31 has an orifice 29 therethrough; orifice 29 being coaxial with and adjacent to the orifice 14 of mixing conduit 11.

Bottom wall 17 has a circular flange portion 32, flange portion 32 being coaxial with the aperture 18 in bottom wall 17. The flange portion 32 of bot-tom wall 17 is internally threaded. A cup-like casing 33 has its upper end open and is externally threaded at its upper edge, casing 33 being threada'bly engaged with the flange portion 32 of head assembly 11) of sprayer 9. Casing 33 has a plurality of rib portions 46 extending longitudinally along the inside Wall thereof, each rib having a foot portion extending along the bottom of casing 33.

A disposable rigid container 34 comprises a rigid side wall 35 and opposite end walls 36, 37. Container 34 has an extension 38 projecting from the end wall 36, extension 38 having a longitudinal bore 39 therethrough, longitudinal bore 39 opening into the container 34. Extension 38 further has a counterbore 40 at the extended end thereof.

An aspirating tube 41, having an outside diameter slightly less than the diameter of bore 39, is poistioned in the bore 39 of extension 38 and extends into the rigid container 34.

A compressible collar 42 is force fit on the aspirating tube 41 and is poistioned intermediate the ends of tube 41, the outside diameter of collar 42 being slightly larger than the diameter of the counterbore 40. Collar 42 is force fit into the counterbore 40 of extension 38. In the event that it is necessary or desirable to change the nate of flow of the liquid chemical from the collapsible container to the water stream, this can be readily accomplished by removing the collar and aspirating tube from counterbore 40 and inserting another aspirating tube having a dilferent diameter bore.

A highly resilient collapsible container 43, such as a plastic or rubber container, is mounted inside of the rigid container 34 and is attached to encompass the bore opening of extension 38. Aspirating tube 41 extends into the collapsible container 43. Collapsible container 43 con tains a liquid chemical, such as an insecticide or liquid chemical fertilizer, which it is desired to mix with a water stream passing through mixing conduit 11 of sprayer head 10. Rigid container 34 has a plurality of apertures 44 through the end 36 thereof and a plurality of apertures 45 through the end 37 thereof.

Rigid container 34 is positioned inside of casing 33 and casing 33 is threadably engaged with the flange portion 32 of spray head 10, the extension 38 of rigid container 34 being positioned through aperture 18 of the bottom wall 17 of spray head 10. The extended end of the aspirating tube 41 extends into the intermediate portion 13 of mixing conduit 11. Rigid container 34 is supported by the ribs and feet 46'.

In operation, the inlet end 12 of mixing conduit 11 of sprayer head is attached to a suitable source of liquid under pressure, for example, to the end of a lawn or garden hose. The pressure from the hose, not shown, acts against plug 23 of valve 22 and blocks orifice so that no water is allowed in the intermediate portion 13 of mixing conduit 11. When the trigger mechanism 28 is actuated by pulling plate 31 toward the handle 21, the plate 31 pushes against the end of rod 24 extending through aperture thereby forcing plug 23 out of orifice 15 and allowing the water stream to pass through orifice 15, mixing chamber 13, orifice .14, and orifice 29.

The flow of water through mixing chamber 13 creates a suction which tends to draw the liquid chemical in collapsible container 43 through the .aspirating tube 41 into the water stream. In addition, water flows through apertures 16 in the bottom wall 17 of the sprayer head 10 and through the apertures 44 in the end 36 of rigid con tainer 34 and apertures in the end 37 of rigid container 34. Since rigid container .34 is supported away from the inside wall of casing 33 by means of ribs and feet 46, the water is free to flow around the rigid container 34 and through the apertures 45 in end 37 of rigid container 34. This water flow into rigid container 34 creates a pressure on the outer surface of collapsible container 43 thereby forcing the liquid chemical inside of collapsible container 43 up through the aspirating tube 41 and into the water stream.

While the invention has been described with reference to a sprayer for mixing liquid chemicals with a water stream, it should be apparent that the same principle could be applied to a paint sprayer wherein the inlet end 12 of the mixing conduit would be connected to a suitable source of air pressure and the paint would be contained in the collapsible containers 43.

It is to be under-stood that while we have shown a specific embodiment of our invention, this is for the purpose of illustration only and that our invention is to be limited solely. by the scope of the appended claims.

What is claimed is:

1. A disposable liquid chemical container comprising:

(a) a rigid container having an extension at its front end, said extension having a longitudinal bore therethrough opening into said container and a counterbore at its extended end, said rigid container further having a plurality of apertures through the front and rear ends thereof;

(b) a highly resilient collapsible container mounted inside said rigid container and attached to said extension, said collapsible container containing said liquid chemical; and

(c) an aspirating tube having an outside diameter slightly less than the diameter of said bore and having a compressible collar having an outside diameter slightly larger than the diameter of said counterbore, said aspinating tube being positioned in the bore of said extension and extending into said collapsible container, the collar of said aspirating tube being force fit into the counterbore of said extension.

2. A disposable liquid chemical container adapted for use with a sprayer having a chemical carrying agent under pressure in communication therewith comprising:

(a) a rigid container having an extension at its front end, said extension having a longitudinal bore therethrough opening into said container and a counterbore at its extended end, said rigid container further having at least one aperture through the front end thereof;

(b) a highly resilient collapsible container mounted inside said rigid container and attached to said extension, said collapsible container adapted to contain said liquid chemical;

(c) an aspirating tube having an outside diameter slightly less than the diameter of said bore and having a compressible collar having an out-side diameter slightly larger than the diameter of said counterbore, said aspirating tube being positioned in the bore of said extension and extending into said collapsible container, the collar of said aspirating tube being force fit into the counterbore of said extension; and

(-d) means for attaching said container to said sprayer in a fluid tight relationship.

References Cited by the Examiner UNITED STATES PATENTS 1,674,515 6/1928 Johnson 222-386.5 1,953,330 4/1934 Andres 239-365 2,153,240 4/1939 Bailey et al. 23931O 2,671,578 3/1954 Mc'Bean 222-4865 3,018,970 1/1962 Wittenberg et al. 239.323 3,079,047 2/ 1963 Chiodini et al. 222386.5

M. HENSON WOOD, JR., Primary Examiner.

ROBERT B. REEVES, Examiner.

R. S. STROB'EL, Assistant Examiner.

Claims (1)

1. A DISPOSABLE LIQUID CHEMICAL CONTAINER COMPRISING: (A) A RIGID CONTAINER HAVING AN EXTENSION AT ITS FRONT END, SAID EXTENSION HAVING A LONGITUDINAL BORE THERETHROUGH OPENING INTO SAID CONTAINER AND A COUNTERBORE AT ITS EXTENDED END, SAID RIGID CONTAINER FURTHER HAVING A PLURALITY OF APERTURES THROUGH THE FRONT AND REAR ENDS THEREOF; (B) A HIGHLY RESILIENT COLLAPSIBLE CONTAINER MOUNTED INSIDE SAID RIGID CONTAINER AND ATTACHED TO SAID EXTENSION, SAID COLLAPSIBLE CONTAINER CONTAINING SAID LIQUID CHEMICAL; AND (C) AN ASPIRATING TUBE HAVING AN OUTSIDE DIAMETER SLIGHTLY LESS THAN THE DIAMETER OF SAID BORE AND HAVING A COMPRESSIBLE COLLAR HAVING AN OUTSIDE DIAMETER SLIGHTLY LARGER THAN THE DIAMETER OF SAID COUNTERBORE, SAID ASPIRATING TUBE BEING POSITIONED IN THE BORE OF SAID EXTENSION AND EXTENDING INTO SAID COLLAPSIBLE CONTAINER, THE COLLAR OF SAID ASPIRATING TUBE BEING FORCE FIT INTO THE COUNTERBORE OF SAID EXTENSION.
US3255972A 1964-03-12 1965-05-11 Disposable container Expired - Lifetime US3255972A (en)

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US3198438A US3198438A (en) 1964-03-12 1964-03-12 Sprayer construction
US3255972A US3255972A (en) 1964-03-12 1965-05-11 Disposable container

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Cited By (56)

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US3349965A (en) * 1965-10-12 1967-10-31 Thermoplastic Ind Inc Chargeable package for liquids
US3432104A (en) * 1967-03-23 1969-03-11 Theodore L Kaltenbach Seal spray gun siphon cup
US3490647A (en) * 1966-07-13 1970-01-20 Labranche Ind Inc Dispenser assembly and method of dispensing
US3670965A (en) * 1970-06-04 1972-06-20 Ciba Geigy Corp Non pressurized product dispensing system
US3672544A (en) * 1970-06-22 1972-06-27 Ciba Geigy Corp Multi-component product dispenser
US4159081A (en) * 1977-07-18 1979-06-26 Scientific Energy Systems Corporation Plural valve, hand-held spray apparatus
US4388997A (en) * 1981-04-20 1983-06-21 Champion Spark Plug Company Vent for paint cups
DE3242306A1 (en) * 1982-11-16 1984-05-17 Sata Farbspritztechnik Gmbh Pressure cup gun with insertable disposable cans
US4471911A (en) * 1981-10-21 1984-09-18 Hengesbach Robert W Spraying apparatus and method
US4609149A (en) * 1983-08-01 1986-09-02 Thomas Jessen Injection gun system for lawn treatment
US4936511A (en) * 1988-11-28 1990-06-26 Minnesota Mining And Manufacturing Company Spray gun with disposable liquid handling portion
US4951875A (en) * 1988-09-19 1990-08-28 Devey Daniel A Diposable liner system for spray guns
US4971251A (en) * 1988-11-28 1990-11-20 Minnesota Mining And Manufacturing Company Spray gun with disposable liquid handling portion
US5143294A (en) * 1991-04-08 1992-09-01 Lintvedt Arnold M Pliant container for storage of a liquid and liquid application therefrom
US5213264A (en) * 1990-10-11 1993-05-25 Chevron Research And Technology Company Spraying device with a replaceable cartridge
US5667142A (en) * 1995-05-30 1997-09-16 Newstripe, Inc. Spray gun with removable supply line
WO1998032539A1 (en) 1997-01-24 1998-07-30 Minnesota Mining And Manufacturing Company Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith
WO1998046366A1 (en) 1997-04-17 1998-10-22 Oms Investments, Inc. An improved spraying device
US6378785B1 (en) 2000-08-30 2002-04-30 Saint-Gobain Calmar Inc. Hose-end aspiration-type sprayer
US6419118B1 (en) 2000-07-11 2002-07-16 Blake M. Rees Containers with flexible pouch and closure member
US6425534B2 (en) * 1998-11-05 2002-07-30 Green Garden Products Company Spraying apparatus having a sealing member with apertures
US20030209568A1 (en) * 2002-05-08 2003-11-13 3M Innovative Properties Company Conformable pouch reservoir for spray gun
EP1415719A1 (en) 1997-01-24 2004-05-06 Minnesota Mining And Manufacturing Company Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith
US20040118941A1 (en) * 2001-03-14 2004-06-24 Joseph Stephen C.P. Liquid sample reservoir suitable for use with a spraying apparatus
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US6820824B1 (en) 1998-01-14 2004-11-23 3M Innovative Properties Company Apparatus for spraying liquids, disposable containers and liners suitable for use therewith
US20050067502A1 (en) * 2003-09-25 2005-03-31 Bouic Phillip J. Security clip for spray gun connector
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US20050155968A1 (en) * 2004-01-16 2005-07-21 Kosmyna Michael J. Fluid supply assembly
US20050156058A1 (en) * 2004-01-16 2005-07-21 Kosmyna Michael J. Adapter assembly for a fluid supply assembly
US20050178854A1 (en) * 2004-02-13 2005-08-18 Saint-Gobain Calmar Inc. Hose-end sprayer assembly
US6938836B2 (en) 2002-05-08 2005-09-06 3M Innovative Properties Company Valve closure for spray gun reservoir
US20050241634A1 (en) * 1996-04-19 2005-11-03 Dieter Hochrainer Two-chamber cartridge for propellant-free metering aerosols
US20050258271A1 (en) * 2004-05-18 2005-11-24 Kosmyna Michael J Disposable paint cup
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US20060017286A1 (en) * 2004-06-03 2006-01-26 Kosmyna Michael J Conversion adapter for a fluid supply assembly
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US20060196891A1 (en) * 2004-12-16 2006-09-07 Gerson Ronald L Liquid container system for a spray gun
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Cited By (141)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349965A (en) * 1965-10-12 1967-10-31 Thermoplastic Ind Inc Chargeable package for liquids
US3490647A (en) * 1966-07-13 1970-01-20 Labranche Ind Inc Dispenser assembly and method of dispensing
US3432104A (en) * 1967-03-23 1969-03-11 Theodore L Kaltenbach Seal spray gun siphon cup
US3670965A (en) * 1970-06-04 1972-06-20 Ciba Geigy Corp Non pressurized product dispensing system
US3672544A (en) * 1970-06-22 1972-06-27 Ciba Geigy Corp Multi-component product dispenser
US4159081A (en) * 1977-07-18 1979-06-26 Scientific Energy Systems Corporation Plural valve, hand-held spray apparatus
US4388997A (en) * 1981-04-20 1983-06-21 Champion Spark Plug Company Vent for paint cups
US4471911A (en) * 1981-10-21 1984-09-18 Hengesbach Robert W Spraying apparatus and method
DE3242306A1 (en) * 1982-11-16 1984-05-17 Sata Farbspritztechnik Gmbh Pressure cup gun with insertable disposable cans
US4609149A (en) * 1983-08-01 1986-09-02 Thomas Jessen Injection gun system for lawn treatment
US4951875A (en) * 1988-09-19 1990-08-28 Devey Daniel A Diposable liner system for spray guns
US4936511A (en) * 1988-11-28 1990-06-26 Minnesota Mining And Manufacturing Company Spray gun with disposable liquid handling portion
US4971251A (en) * 1988-11-28 1990-11-20 Minnesota Mining And Manufacturing Company Spray gun with disposable liquid handling portion
US5213264A (en) * 1990-10-11 1993-05-25 Chevron Research And Technology Company Spraying device with a replaceable cartridge
US5143294A (en) * 1991-04-08 1992-09-01 Lintvedt Arnold M Pliant container for storage of a liquid and liquid application therefrom
US5667142A (en) * 1995-05-30 1997-09-16 Newstripe, Inc. Spray gun with removable supply line
US7793655B2 (en) 1996-04-19 2010-09-14 Boehringer Ingelheim Pharma Gmbh & Co. Kg Two-chamber cartridge for propellant-free metering aerosols
US7213593B2 (en) 1996-04-19 2007-05-08 Boehringer Ingelheim Kg Two-chamber cartridge for propellant-free metering aerosols
US7980243B2 (en) 1996-04-19 2011-07-19 Boehringer Ingelheim Pharma Gmbh & Co., Kg Two-chamber cartridge for propellant-free metering aerosols
US20080033391A1 (en) * 1996-04-19 2008-02-07 Boehringer Ingelheim Kg Two-Chamber Cartridge For Propellant-Free Metering Aerosols
US20050241634A1 (en) * 1996-04-19 2005-11-03 Dieter Hochrainer Two-chamber cartridge for propellant-free metering aerosols
US7798426B2 (en) 1997-01-24 2010-09-21 3M Innovative Properties Company Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith
US20060151630A1 (en) * 1997-01-24 2006-07-13 3M Innovative Properties Company Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith
EP2090373A2 (en) 1997-01-24 2009-08-19 3M Company Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith
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