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특허 상세정보

Spill-proof closure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-051/18   
미국특허분류(USC) 220/254 ; 220/714 ; 222/189
출원번호 US-0776793 (1991-10-15)
발명자 / 주소
인용정보 피인용 횟수 : 60  인용 특허 : 0
초록

A spill-proof closure for containers used in dispensing liquid beverages. The closure has a spout containing a thin membrane at or near the upper end. The thin membrane includes a through slit which remains closed except when external suction is applied during normal drinking.

대표
청구항

A controllable valved closure for use in dispensing a beverage from a container, said closure comprising: (a) a substantially planar cover portion conforming in shape to the opened end of said container; (b) attachable means for selectively maintaining said closure in covering relation with said container; (c) a spout having an outer end, said spout extending upwardly and outwardly from said cover portion; (d) an elongated opening located near said outer end of said spout, said opening providing communication between the interior and exterior of said spo...

이 특허를 인용한 특허 피인용횟수: 60

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