|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/304; 220/DIG.033; 220/086.1; 220/086.2; 220/288|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 13|
A plug (2) for sealing a filler neck (1) of a fuel tank has a cap (3) which is dismountably attached to the end (5) of the filler neck using a thread (4) or bayonet, and a seal (6) whose sealing surface (7) faces a counter-sealing surface (8) of the filler neck, whereby a ring-shaped molding (9) is provided between the sealing surface and the counter-sealing surface. In order to minimize the amount of permeation, a sealing ring (10) outside of the molding (9) is provided, the sealing ring being made of an elastomer with high resistance to permeation, and...
1. A combination plug and filler neck for sealing a filler neck of a fuel tank comprising: a filler neck having an upper end and a conically shaped counter-sealing surface defining a fluid opening into said filler neck; a cap for removably attaching said plug to said upper end of said filler neck; a seal coupled to said cap for plugging said fluid opening in said filler neck, said seal having a conically shaped sealing surface complementary to said counter-sealing surface of said filler neck; a molding ring supported by said seal for engaging betwe...