|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/254 ; 220/714 ; 222/189|
|발명자 / 주소|
|인용정보||피인용 횟수 : 60 인용 특허 : 0|
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.
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...