[특허]Liquid spray gun accessories

[미국특허] Liquid spray gun accessories 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-007/12
출원번호	US-0347918 (1989-05-05)
발명자 / 주소	Nikkel Robert E. (4101 Mount Vernon Ct. Fort Collins CO 80525) Guidi Paul (15500 W. Telegraph D-30 Santa Paula CA 93060) Rains John K. (7074 El Malabar Ventura CA 93003)
인용정보	피인용 횟수 : 28 인용 특허 : 2

초록 ▼

The invention is directed to improvements in existing liquid hand held spray guns which deliver liquid to a spray nozzle and have fixed or adjustable spray pattern adjustment of the liquid being dispensed from the nozzle. The improvements comprise the addition of a ball valve between the spray gun internal air flow passage and a container of liquid to be sprayed through the nozzle and a venturi assembly which attaches upstream in a series relationship between the pressurized air input to the gun and the source of pressurized air. The venturi assembly is adaptable to substantially all of the liquid spray guns of the type described and when installed reduces the pressure of the pressurized air entering the gun to 10 PSI or less to comply with governmental environmental pollution standards. With the venturi assembly attached to a given liquid spray gun, the ball valve is employed to provide a slight positive pressure to the container of liquid attached to the gun to control the flow of that liquid from the container into the nozzle. The use of the two assemblies together enhances the flow of liquid to the nozzle and provides environmental acceptable pressure standards to the now non-complying existing liquid spray guns.

대표청구항 ▼

A selectively removable external attachment for a conventional liquid spray device, said liquid spray device having a body with an exit nozzle at one end thereof and a handle having an upstream distal end at the other end of said body, an attachment means at the upstream distal end of said handle for attaching said liquid spray device to a source of pressurized air in the range of 0 to over 100 PSI and a valve actuating means, said external attachment being employed for reducing the pressure of said pressurized air entering said liquid spray device to a pressure level of 10 PSI or less at the exit nozzle while substantially maintaining the same volume of air to said spray device comprising: a venturi assembly for attaching in series between said attachment means of said spraying device and said source of pressurized air, said venturi assembly comprises a first downstream and a second upstream interconnected body portions, said second upstream portion having a conical shaped passageway at its upstream end with a cylindrical passageway extending downstream therefrom, said first downstream body portion having a conical shaped passageway at the downstream end and a cylindrical passageway extending therefrom upstream, said cylindrical passageways of said body portions having an abutting restrictive relationship whereby a venturi is formed, a plurality of bores extend from the outer surface of said second upstream body portion to the venturi area for allowing ambient air to be drawn into said venturi area by the action of the venturi to mix with the pressurized air from said source entering the upstream of said external attachment thereby reducing the pressure of said air prior to entering said spray device while substantially maintaining the volume of pressurized air entering said spray device that is required by said spray device for normal operation.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Smith William C. (7701 Whiterim Ter. Potomac MD 20854), Air operated low pressure spraying system.
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Lau George W. (Blue Island IL) Bujnowski Edward J. (Chicago IL), Spray gun assembly.
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이 특허를 인용한 특허 (28) 인용/피인용 타임라인 분석

Greer, Jr., Lester R.; French, Floyd R., Aerosol spray texture apparatus for a particulate containing material.
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Greer, Jr., Lester R.; French, Floyd R., Aerosol systems and methods for dispensing texture material.
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Gehrung, Ralf, Air nozzle closure for a spray gun.
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Price, Richard, Aluminum trade gun.
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Schmon, Ewald; Dettlaff, Peter, Antistatic spray gun.
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Hanson, Randal W.; Kinzle, Robert A., Cap with actuator.
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Tryon, James A.; Greer, Jr., Lester R., Dispenser for aerosol systems.
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Tryon, James A.; Greer, Jr., Lester R., Dispenser for aerosol systems.
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Tryon, James A.; Greer, Jr., Lester R., Dispensers for aerosol systems.
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Fox, Jeffrey D., Disposable spray gun cartridge.
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Schmon, Ewald; Dettlaff, Peter; Brose, Jens, Easy-to-clean spray gun, accessories therefor, and mounting and dismounting methods.
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Gehrung, Ralf, Fluid reservoir for a paint spray gun.
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Caimi Raoul E. B. ; Lin Feng-Nan ; Thaxton Eric A., Gas-liquid supersonic cleaning and cleaning verification spray system.
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Dettlaff, Peter; Leipold, Klaus, Gravity cup for a paint sprayer.
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Handzel, James J.; Kieffer, Joseph W.; Sulzer, Christopher J.; Carleton, Christopher W., Liquid supply attachment for spray gun.
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Davis Robert G. (Atascadero CA), Method and apparatus for dispensing a substance.
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Schmon, Ewald; Dettlaff, Peter, Nozzle head for a spray device.
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Gehrung, Ralf, Paint spray gun.
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Gehrung, Ralf; Di Nicola, Rocco; Dettlaff, Peter, Paint spray gun.
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Gehrung, Ralf; Kruse, Albrecht, Paint spray gun.
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Gehrung, Ralf; Kruse, Albrecht, Paint spray gun.
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Gehrung, Ralf; Kruse, Albrecht, Paint spray gun.
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Gehrung, Ralf; Kruse, Albrecht, Paint spray gun rear portion.
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Binz, Daniela, Paint spray gun with pattern.
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Tryon James A., Spray applicator with air shut-off valve.
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Brose, Jens; Tschan, Alexander; Dettlaff, Peter, Spray gun and accessories.
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Hanson, Randal W.; Morris, Jason; Vander Griend, Darrel; Kordosh, John, Systems and methods for dispensing texture material using dual flow adjustment.
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Hanson, Randal W.; Vander Griend, Darrel; Morris, Jason; Hardwick, Gary; Kordosh, John, Systems and methods for dispensing texture material using dual flow adjustment.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Liquid spray gun accessories 원문보기