|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-041/18 B65D-043/10 B65D-021/02|
|미국특허분류(USC)||220/306 ; 150/05 ; 206/520 ; 220/281|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 41 인용 특허 : 5|
A bowl and cover assembly includes a bowl with an annular sealing lip depending radially outwardly from the upper annular rim of the bowl. The sealing lip has an annular top sealing surface and an annular edge sealing surface. The cover has a flared annular skirt about its periphery which defines a down facing mating surface and an infacing mating surface adjacent thereto. When the cover is placed over the sealing lip the top sealing surface seats against the downfacing mating surface and the edge sealing surface seats against the infacing mating surface...
A bowl and cover assembly formed from plastic foam material comprising: a bowl comprising a bottom, an upper annular rim, upwardly extending side walls rising from the margin of the bottom and terminating in the upper annular rim, and an integrally formed annular sealing lip attached to and depending radially outwardly from the upper annular rim and joined thereto at a single annular hinge region about which the annular sealing lip is resiliently pivotal, the annular sealing lip having a single annular top sealing surface and a single annular edge sealin...