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특허 상세정보

Self-closing closure utilizing a single diaphragm

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-035/50   
미국특허분류(USC) 222/493
출원번호 US-0703794 (1976-07-09)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 87  인용 특허 : 0
초록

A self-closing closure for a tube or package having a resilient wall for dispensing flowable material upon the application of pressure on the tube, utilizing a relatively stiff spider for supporting an outwardly extending valve stem having a closed outer surface and a diaphragm member having its periphery interconnected with the periphery of the spider to form a closure unit and its inner portion forming a valve with the valve stem. The diaphragm member is formed with a relatively thick flange substantially parallel with the walls of the tube for interco...

대표
청구항

A self-closing closure unit adapted to be connected to a package having at least one resilient wall for dispensing the contents of the package upon pressure on the resilient wall comprising: a spider member having a peripheral portion and an outwardly extending valve stem having an outer surface; and a diaphragm member including a flange portion for interconnecting with the peripheral portion of the spider to form the closure unit, a substantially tubular portion surrounding the stem and spaced therefrom, terminating at its outer end in an open lip which...

이 특허를 인용한 특허 피인용횟수: 87

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