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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47K-005/14    B05B-007/00    B05B-007/24    B05B-007/04    F04B-045/04    F04B-043/02   
출원번호 US-0369007 (2016-12-05)
등록번호 US-10080468 (2018-09-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Calfee, Halter & Griswold LLP
인용정보 피인용 횟수 : 0  인용 특허 : 54
초록
▼

An exemplary foam dispenser includes a housing, a container for holding foamable liquid and a foam pump in fluid communication with the container. The foam pump has a plurality of diaphragm pumping chambers wherein at least one diaphragm pumping chamber pumps liquid, and at least two diaphragm pumping chambers pump air. The foam pump includes a liquid outlet valve having a cracking pressure of at least about 5 pounds per square inch; and two or more air outlet valves having cracking pressure of less than about 5 pounds per square inch. A mixing chamber i...

대표
청구항
▼

1. A foam dispenser comprising: a housing;a container for holding foamable liquid;a foam pump in fluid communication with the container wherein the foam pump includes: a pump housing;a diaphragm assembly;the diaphragm assembly having a liquid pump diaphragm in fluid communication with the container;a plurality of air pump diaphragms; andan outlet valve;a mixing chamber for mixing foamable liquid from the liquid pump diaphragm with air from the plurality of air pump diaphragms;a foam cartridge in fluid communication with the mixing chamber;an outlet for d...

이 특허에 인용된 특허 (54)

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