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특허 상세정보

Anti-spill lid for beverage container

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47G-019/22   
미국특허분류(USC) 220/904 ; 220/254
출원번호 US-0095662 (1987-09-14)
발명자 / 주소
인용정보 피인용 횟수 : 78  인용 특허 : 0
초록

An anti-spill drinking cup lid flexes inwardly, without the use of a vent hole, responsive to drinking suction applied by the cup user. The flexing is by means of a central raised portion of the lid, separated by a flex line from radiating ribs which separate slightly to enlarge the cup lid diameter when liquid is withdrawn through a raised drinking spout provided with apertures sized to prevent passage of liquid. The apertures are located in a valley in the spout end to prevent splash leakage.

대표
청구항

An anti-spill lid for use with a beverage container having an open top, said lid comprising: (a) a substantially planar cover portion conforming in shape to the open top of the container; (b) peripheral means for sealingly engaging the lip of said container; (c) a raised central portion formed in said cover portion; (d) radially extending reinforcing ribs formed in said cover portion and connecting with said central portion through lines of flex; and (e) a drinking spout formed in said cover and extending outwardly therefrom, said spout including in its ...

이 특허를 인용한 특허 피인용횟수: 78

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