[특허]Disposable plastic liquid pump

Disposable plastic liquid pump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-005/06
출원번호	US-0980208 (1992-11-23)
발명자 / 주소	Ophardt Heiner (Vineland CAX)
출원인 / 주소	Hygiene-Technik Inc. (Ontario CAX 03)
인용정보	피인용 횟수 : 82 인용 특허 : 0

초록 ▼

A disposable plastic pump for dispensing liquids is disclosed which comprises two basic unitary, preferably all plastic, elements: a chamber forming body having an open outer end and an inner end in fluid communication with a liquid reservoir, and a piston formed to slidably fit into the chamber. The chamber forms two axially adjacent coaxial chambers, an inner chamber of one diameter and an outer chamber of a greater diameter. The piston comprises a stem on which is located two spaced flexing disc each sized to fit in and serving as a one-way valve in the inner chamber and outer chamber, respectively, permitting fluids to flow outwardly past each flexing disc. A sealing disc is located on the stem outwardly of the outermost flexing disc. A passageway is provided from an inlet on the piston between the outermost flexing disc and the sealing disc through which the dispensed liquid flow.

대표청구항 ▼

A pump for dispensing liquid from a reservoir comprising: piston-chamber forming means having an inner cylindrical chamber and an outer cylindrical chamber, the inner chamber and outer chamber each having a diameter, a chamber wall, an inner end and an outer end, the diameter of the inner chamber being less than the diameter of the outer chamber, the inner chamber and outer chamber being coaxial with the outer end of the inner chamber opening into the inner end of the outer chamber, the inner end of the inner chamber in fluid communication with the reservoir, a piston forming element received in the piston-chamber forming means axially slidable inwardly and outwardly therein, said piston forming element being generally cylindrical in cross-section with a central axially extending hollow stem having a central passageway closed at an inner end and having an outlet proximate an outer end, an inner circular flexing disc extending radially outwardly from the stem proximate the inner end, the inner flexing disc having an elastically deformable edge portion proximate the chamber wall of the inner chamber circumferentially thereabout, an outer circular flexing disc extending radially outwardly from the stem spaced axially outwardly from the inner flexing disc, the outer flexing disc having an elastically deformable edge portion proximate the chamber wall of the outer chamber circumferentially thereabout, a circular sealing disc extending radially outwardly from the stem spaced axially outwardly from the outer flexing disc, the sealing disc engaging the chamber wall of the outer chamber circumferentially thereabout to form a substantially fluid impermeable seal therewith on sliding of said piston forming element inwardly and outwardly, an inlet located on the stem between the outer flexing disc and the sealing disc in communication with the passageway, the piston forming element slidably received in the piston-chamber forming means for reciprocal axial inward and outward movement therein with the inner flexing disc in the inner chamber and the outer flexing disc and sealing disc in the outer chamber, the inner flexing disc substantially preventing fluid flow in the inner chamber past the inner flexing disc in an inward direction, the outer flexing disc substantially preventing fluid flow in the outer chamber past the outer flexing disc in an inward direction, the inner flexing disc elastically deforming away from the chamber wall of the inner chamber to permit fluid flow in the inner chamber past the inner flexing disc in an outward direction, the outer flexing disc elastically deforming away from the chamber wall of the outer chamber to permit fluid flow in the outer chamber past the outer flexing disc in an outward direction.

이 특허를 인용한 특허 (82)

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Jones,Andrew; Kortleve Snider,Tony, Disposable dispenser.
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Ophardt Heiner (3931 Vineyard Crescent Vineland ; Ontario CAX L0R 2C0 ), Disposable plastic liquid pump.
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Lewis, Richard P.; Mahaffey, Cleary E., Dosing pump for liquid dispensers.
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Lewis Richard Paul, Dual use dispensing system.
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Banks, Stewart; Lang, Christopher James; Limbert, Dean Philip; Creaghan, David Michael Ross, Foam dispenser.
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Ganzeboom, Wilhelmus Everhardus, Foam dispenser, housing and storage holder therefor.
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Snodgrass, David L., Foam pump assembly.
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Pritchett, David John; Law, Brian Robert, Inverted dispenser pump with liquid inlet cup valve.
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Kasting,Thomas P., Inverted dispensing pump.
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Kasting,Thomas P., Inverted dispensing pump with vent baffle.
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Arminak, Armin; Baughman, Gary M.; Lee, Yen Kean, Inverted squeeze foamer.
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Schroeder Alfred A. (San Antonio TX) Romanyszyn ; Jr. Michael T. (San Antonio TX) Getsy Stephen B. (Erie PA) Montgomery Gregg S. (West Chester OH) Wolfe Joseph J. (Scottsdale AZ) Wittig Norman P. (Co, Juice concentrate package for postmix dispenser.
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Schroeder Alfred A. ; Romanyszyn ; Jr. Michael T. ; Getsy Stephen B. ; Montgomery Gregg S. ; Wolfe Joseph J. ; Wittig Norman P., Juice concentrate package for postmix dispenser.
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Heiner Ophardt CA; Ali Mirbach, Liquid dispenser for dispensing foam.
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Ophardt, Heiner; Mirbach, Ali, Liquid dispenser for dispensing foam.
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Law, Brian Robert; Spencer, Jeffrey William; Pritchett, David John, Liquid dosing devices.
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Law, Brian Robert; Spencer, Jeffrey William; Pritchett, David John, Liquid dosing devices.
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Ophardt,Heiner, Manual or pump assist fluid dispenser.
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Credle ; Jr. William S. ; Chreno Stephen A. ; Braido Robert L., Manually operable postmix juice dispenser and disposable concentrate package therefor.
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Muderlak, Kenneth J.; Hsieh, Rocky, Motor housing and support assembly for a system for dispensing soap.
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Ciavarella, Nick E.; Hayes, David D., Pull actuated foam pump.
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Ciavarella, Nick E.; Fawcett, Jonathan E.; Marshall, Aaron D., Pull pumps, refill units and dispensers for pull pumps.
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Rosenthal, Karl-Heinz, Pump.
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Law, Brian Robert; Pritchett, David John, Pump dispensers.
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Law, Brian Robert; Pritchett, David John; Spencer, Jeffrey William, Pump dispensers.
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Law,Brian Robert; Pritchett,David John; Spencer,Jeffrey William, Pump dispensers.
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Cittadino, Antonio M.; Byl, Carolyn C.; Wilcox, Matthew T.; Paal, Alan P.; Budz, Gregory D.; Cornell, Robert W., Pumping dispenser.
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Cittadino, Antonio M.; Byl, Carolyn C.; Wilcox, Matthew T.; Paal, Alan P.; Budz, Gregory D.; Cornell, Robert W., Pumping dispenser.
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Cittadino, Antonio M., Pumping dispenser shield.
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Harris, Donald R.; Marshall, Aaron D.; McNulty, John J., Pumps with vents to vent inverted containers and refill units having non-collapsing containers.
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Lewis, Richard P.; Mahaffey, Cleary E.; Mayberry, Pamela J.; Tramontina, Paul F.; Powling, David J.; Bennett, Mark A.; Bachtel, Randall M., Self-contained viscous liquid dispenser.
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Lewis, Richard P.; Mahaffey, Cleary E.; Mayberry, Pamela J.; Tramontina, Paul F.; Powling, David J.; Bennett, Mark A.; Bachtel, Randall M., Self-contained viscous liquid dispenser.
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Lewis, Richard P.; Mahaffey, Cleary E.; Mayberry, Pamela J.; Tramontina, Paul F.; Powling, David J.; Bennett, Mark A.; Bachtel, Randall M., Self-contained viscous liquid dispenser.
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Lewis, Richard P.; Mahaffey, Cleary E.; Mayberry, Pamela J.; Tramontina, Paul F.; Powling, David J.; Bennett, Mark A.; Bachtel, Randall M., Self-contained viscous liquid dispenser.
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Lewis, Richard P.; Mahaffey, Cleary E.; Mayberry, Pamela J.; Tramontina, Paul F.; Powling, David J.; Bennett, Mark A.; Bachtel, Randall M., Self-contained viscous liquid dispenser.
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Lewis, Richard P.; Mahaffey, Cleary E.; Mayberry, Pamela J.; Tramontina, Paul F.; Powling, David J.; Bennett, Mark A.; Bachtel, Randall M., Self-contained viscous liquid dispenser.
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Muderlak, Kenneth J.; Hsieh, Rocky, System and method for dispensing soap.
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Muderlak, Kenneth J.; Hsieh, Rocky, System and method for dispensing soap.
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Jones, Andrew; Ophardt, Heiner; Shi, Zhenchun, Two-piece foam piston pump.
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Wells, Jesse D., Vented check valves, pumps and refill units with vented check valves.
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Wells, Jesse D.; Marshall, Aaron D., Vented non-collapsing containers, dispensers and refill units having vented non-collapsing containers.
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Harris, Donald R.; Marshall, Aaron D.; Ciavarella, Nick E., Vented refill units and dispensers having vented refill units.
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Harris, Donald R.; Marshall, Aaron D.; Ciavarella, Nick E., Vented refill units and dispensers having vented refill units.
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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

내보내기 구분	파일저장 인쇄 메일전송
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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Disposable plastic liquid pump 원문보기

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이 특허를 인용한 특허 (82)

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Disposable plastic liquid pump 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (82)

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