[특허]Horizontal pumps, refill units and foam dispensers

[미국특허] Horizontal pumps, refill units and foam dispensers 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-007/76 A47K-005/14 B05B-007/00 B05B-011/00
출원번호	US-0792011 (2013-03-09)
등록번호	US-9179808 (2015-11-10)
발명자 / 주소	McNulty, John J. Ciavarella, Nick E. Tederous, Cory Quinlan, Robert L.
출원인 / 주소	GOJO Industries, Inc.
대리인 / 주소	Calfee, Halter & Griswold LLP
인용정보	피인용 횟수 : 1 인용 특허 : 34

초록 ▼

Disposable refill units, and pumps for disposable refill units for foam dispensers are disclosed herein. Exemplary embodiments include a container for holding a foamable liquid and a pump secured to the container. The pump includes a liquid chamber formed between a liquid inlet valve and a liquid outlet valve. In addition, the pump includes a sleeve that is located at least partially within the liquid chamber. One or more liquid passages are defined at least in part by an area located between an exterior wall of the sleeve and a wall of the liquid chamber. The pump also includes a piston body having a head and a sealing member located at a first end of the piston. The sealing member forms a seal against the interior wall of the sleeve and the piston head moves within the sleeve to reduce and enlarge the volume of the liquid chamber.

대표청구항 ▼

1. A disposable refill unit for a foam dispenser comprising: a container for holding a foamable liquid;a pump secured to the container;a liquid chamber formed between a liquid inlet valve and a liquid outlet valve;a sleeve located at least partially within the liquid chamber;a liquid passage defined at least in part by an area located between an exterior wall of the sleeve and a wall of the liquid chamber;a piston body having a first head and a first sealing member located at a first end;wherein the piston head moves within the sleeve and the sealing member forms a seal with an interior wall of the sleeve; and a second head and second sealing member, wherein the second sealing member seals against an air cylinder and wherein movement of the piston body causes movement of air and liquid; andwherein at least a portion of the air cylinder extends above the lower end of the container. 2. The disposable refill unit of claim 1 wherein a first vertical axis passing through the center of the liquid inlet valve is offset from a second vertical axis passing through the center of the liquid outlet valve. 3. The disposable refill unit of claim 2 wherein the liquid outlet valve is located closer to a front of a dispenser housing than the liquid inlet valve. 4. The disposable refill unit of claim 1 wherein the sleeve and air cylinder have a unitary construction. 5. The disposable refill unit of claim 1 wherein at least a portion of the liquid passage extends horizontally. 6. The disposable refill unit of claim 1 further comprising a mixing chamber located downstream of the liquid outlet valve, wherein liquid enters the mixing chamber from a first direction and air enters the mixing chamber substantially normal to the first direction. 7. The disposable refill unit of claim 1 further comprising a foamable liquid located within the container. 8. A refill unit comprising: a container for foamable liquid;a pump housing connected to the container; the pump housing comprising a liquid pump portion;the liquid pump portion comprising a liquid chamber;the liquid chamber having a liquid inlet and a liquid outlet;an annular housing having a first portion and a second portion, wherein the first portion has a diameter that is greater than the diameter of the second portion;a piston having a liquid piston head and an air piston head;wherein the air piston head is configured to form seal with the first portion of the annular housing and the liquid piston head is configured to form a seal with the second portion of the annular housing and movement of the piston in a reciprocating fashion moves liquid and air; wherein at least a portion of the first portion of the annular housing extends above the bottom of the container; andwherein at least a part of the second portion of the annular housing fits within the liquid chamber of the pump housing and forms one or more liquid passages between the liquid chamber and an outside wall of the second portion of the annular housing. 9. The refill unit of claim 8 wherein the liquid inlet opening and the liquid outlet opening are offset from one another. 10. The refill unit of claim 9 further comprising a mixing chamber located downstream of and in fluid communication with the liquid outlet, the mixing chamber also having an air inlet. 11. The refill unit of claim 10 further comprising an outlet nozzle, wherein at least a portion of the outlet nozzle is tapered. 12. The refill unit of claim 8 further comprising a foamable liquid inside the container. 13. A refill unit comprising: a container for foamable liquid;a pump housing comprising a liquid chamber; the liquid chamber having a liquid inlet and a liquid outlet;a sleeve located at least partially within the liquid chamber;a piston body having a liquid piston head configured to move reciprocally within the sleeve to increase and decrease the volume of the liquid chamber;one or more liquid passages between an outside wall of the sleeve and a wall of the liquid chamber, wherein liquid entering the liquid chamber through the liquid inlet and liquid exiting the liquid chamber through the liquid outlet flows through the one or more liquid passages after entering the liquid chamber and before exiting the liquid chamber; andan air piston head that seals against an air cylinder; wherein movement of the piston body causes movement of air and liquid andwherein at least a portion of the air cylinder extends above the lower end of the container. 14. The refill unit of claim 13 wherein the liquid inlet and the liquid outlet are offset from one another. 15. The refill unit of claim 14 further comprising a mixing chamber located downstream of and in fluid communication with the liquid outlet, the mixing chamber also having an air inlet. 16. The refill unit of claim 15 further comprising an outlet nozzle located downstream of the mixing chamber, wherein at least a portion of the outlet nozzle is tapered. 17. The refill unit of claim 13 further comprising a foamable liquid inside the container.

이 특허에 인용된 특허 (34) 인용/피인용 타임라인 분석

Heiner Ophardt CA; Ali Mirbach DE, Apparatus for making and dispensing foam.
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Lina Jean-Pierre (Le Neubourg FRX) Pennaneach Herv (Verneuil sur Avre IL FRX) Ostrowsky Efrem M. (Highland Park IL) Moore David G. (Algonguin IL), Atomizing pump.
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Leifheit, David H.; Kovara, Terry M.; Neumann, Peter M.; Mazooji, Amber N. D., Bottle adapter for dispensing of cleanser from bottle used in an automated cleansing sprayer.
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Banks Stewart (Brantford CAX), Collapsible soap dispenser.
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Ehrensperger Markus,CHX ; Pachler Rupert,ATX, Device for producing soap lather and use thereof.
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Nishimura Haruo (Suita JPX) Nakaya Masaaki (Toyonaka JPX) Nakano Katsuji (Suita JPX) Matsuda Noboru (Joyo JPX) Matsumoto Noriyuki (Toyonaka JPX), Dispenser, particularly for liquid soap.
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Benson Gustav E. (Malmo SEX), Dispensing apparatus for discharging liquid or creamy products.
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Ohlson Gustav O. I. (Tranas SEX), Dispensing device for discharging a liquid or pasty product from a container, containing such a product.
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Steiner Robert L. (990 N. Lake Shore Dr. Chicago IL 60611) Holzner ; Sr. Charles R. (3545 N. Sheffield Chicago IL 60657) Voth Allan J. (133 N. Humphrey Ave. Oak Park IL 60302), Disposable refill cartridge for a liquid soap dispensing system.
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Wirt David F., Drip resistant nozzle for a dispenser.
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Roggenburg ; Jr. Stanley L. (Staten Island NY) Laauwe Robert H. (Franklin Lakes NJ) Polite John L. (Newbury VT) Tully Michael (Staten Island NY), Fixtures for fluid dispensing bags.
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Fan Chen-Yueh (3 Fl. ; No. 2 ; Alley 2 ; Lane 88 ; Sec. 2 ; Shui Yuan Rd. Hsin Chih Chen ; Taipei Hsien TWX), Fluid dispenser apparatus.
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Sallows,Geoffrey; Bunoz,Etienne Vincent, Fluid pump.
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Banks, Stewart; Lang, Christopher James; Limbert, Dean Philip; Creaghan, David Michael Ross, Foam dispenser.
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Wright H. Earl (Decatur IL), Foam dispensing device.
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Uehira Shoji (Joyo JPX) Miyagi Takashi (Yokohama JPX), Foam dispensing pump container.
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Fan Chen-Yueh,TWX, Liquid dispenser.
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Banks Stewart (Brantford CAX), Liquid dispenser for dispensing foam.
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Heiner Ophardt CA; Ali Mirbach, Liquid dispenser for dispensing foam.
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Burd Wayne D., Liquid dispenser with selectably attachable actuator.
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Lin, Yeng Tang, Liquid soap dispenser.
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Holzner Charles R. (Chicago IL), Liquid soap dispensing system.
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Steiner Robert L. (Chicago IL) Holzner Charles R. (Chicago IL) Voth Allan J. (Oak Park IL), Liquid soap dispensing system.
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Ehrensperger, Markus; Studer, Hans-Jorg, Method and device for the controlled dispensing of cleansing foam.
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Meyer Paul (Kreuzlingen CHX), Method of and apparatus for dispensing batches of soap lather.
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Gil Amos, Personal hygiene liquids dispenser with an improved valve seat.
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Corsette Douglas F. (Los Angeles CA), Positive discharge valve for viscous product dispenser.
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Bliss ; III Earnest E. ; Kieler Alan W., Pump dispenser having a locking system with detents.
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Bliss ; III Earnest E. ; Kieler Alan W., Pump dispenser having a locking system with detents.
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Hagleitner Hans Georg,ATX, Soap foam dispenser.
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Ciavarella, Nick E., Squeeze action foam pump.
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Stahley Robert E. (Middletown OH) Lund Mark T. (West Chester OH) Collias Dimitris I. (Cincinnati OH), Two-phase dispensing systems utilizing bellows pumps.
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Ophardt, Heiner, Vacuum released valve.
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Vorih,Joseph M.; Mossberg,Jeffrey; Vanderpoel,Richard; Ernest,Steven; Paterson,Guy; Schwoerer,John A.; Leitkowski,Edward T., Variable lost motion valve actuator and method.
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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

McNulty, John J.; Quinlan, Robert L.; Ciavarella, Nick E.; Motyka, James E.; Spiegelberg, Todd A., Horizontal pumps, refill units and foam dispensers with integral air compressors.
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[미국특허] Horizontal pumps, refill units and foam dispensers 원문보기

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