|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/713; 220/254.3; 229/404; 229/906.1|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 11|
A drink-through plastic lid is injection molded in one piece to define a rim structure which snaps onto the rim of a cup and an asymmetric crown having a drink-through opening formed at the high point of an outer deck. An integral hinged flap with a C-shaped seal lip on the inside surface can lock by means of said lip into the drink-through opening when in one condition. The flexible outer edges of the flap latch into a lock-back recess which interrupts an intermediate inner deck formed between the outer crown deck and the floor of a well in the interior...
1. A drink-through plastic lid for drink cups comprising: a circular rim adapted to fit onto the rim of a cup;a raised crown defining a generally annular deck above said rim and radially spaced inwardly therefrom;a drink-through opening formed in said deck;a thin flexible flap having an integral hinge connecting said flap to said crown immediately inwardly adjacent said opening whereby the flap is pivotable toward the center of the lid to open and close said opening; said flap having side edgesa seal lip formed on a surface of said flap to coact with par...