|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||229/43 ; 220/306|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 28 인용 특허 : 0|
A plastic closure adapted for frictional mounting upon the rim of a cup or the like has an upstanding brim extending about a central panel, which brim has a downwardly opening channel therein for seating the cup rim. A series of discrete compound protuberances project into the channel from the outside wall of the brim, and provide a discontinuous bead which engages the rim of the cup. The protuberances are configured to afford facile mounting on the cup and secure retention thereon while, at the same time, ensuring ready stripping from the male forming m...
A closure of thin, flexible plastic construction adapted for interference mounting upon the rim of a container, comprising a panel, and an upstanding peripheral brim extending thereabout, said brim including an upwardly extending inner wall portion adjacent said panel, a top wall portion extending outwardly from the upper part of said inner wall portion, and an outer wall portion depending from the outer part of said top wall portion, with said inner, top and outer wall portions defining a downwardly-opening channel about said panel within said brim, sai...