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특허 상세정보

Reclosable air-tight containers with evacuation means

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-051/16    B65D-081/20   
미국특허분류(USC) 150/5 ; 206/808 ; 312/284 ; 53/9
출원번호 US-0515719 (1974-10-17)
발명자 / 주소
인용정보 피인용 횟수 : 42  인용 특허 : 0
초록

A container for perishable articles or substances includes a replaceable closure member capable of forming an airtight seal with a body portion of the container. An evacuation valve is provided on the closure member or another accessible part of the container allowing substantially complete evacuation of air trapped therein after closing the container. Means is also provided to relieve the vacuum to facilitate reopening of the container. The invention is applicable to household containers for foodstuffs as well as industrial containers for chemicals, pha...

대표
청구항

A reusable and reclosable plastic container for foodstuffs and the like comprising a substantially flat plate body portion having an upstanding continuous blade-like sealing flange near its margin, a separable dome-like cover for the plate body portion having a continuous grooved female sealing element near its margin positioned to receive therein said blade-like sealing flange, whereby said body portion and said cover may be assembled repeatedly and separably in hermetically sealed relationship, an evacuation one-way closing check valve unit on the top ...

이 특허를 인용한 특허 피인용횟수: 42

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  7. Appler, Paul; Cranton, George E.; Brass, Jack. Compositions and methods for injection of sealants and/or drying agents into air conditioning and refrigeration systems. USP2016099435574.
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