|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-051/16 B65D-045/00 B65D-083/10|
|미국특허분류(USC)||220/303 ; 220/DIG ; 32 ; 220/316 ; 220/231|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 14 인용 특허 : 1|
A gas tank cap has an inner part connectable to a gas tank filler pipe and an outer part biased outwardly away from the inner part by a spring and normally freely rotatable relative to the inner part. One or more passages in the cap communicate with the filler pipe and with the ambient atmosphere and have valves interposed in them which are so positioned that when the outer part is pushed towards the inner part the valves are automatically opened to vent pressure from the gas tank. Only after the valves have opened in response to pushing of the outer par...
A gas cap, particularly for filler pipes of motor vehicles, comprising an inner part having bayonet- portions for engagement with corresponding portions of a filler pipe; an outer part mounted on said inner part freely rotatable relative thereto; biasing means biasing said parts away from one another so as to maintain them at a predetermined distance; passage means in said parts in communication with the ambient atmosphere and adapted to communicate with the interior of a filler pipe; valve means normally closing said passage means; valve actuating means...