|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||222/95 ; 222/399|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
A pressurized container-dispenser characterized by a separate pressure source chamber containing a gas-adsorbent solid and an adsorbable gas and having means to transmit source chamber pressure to a product chamber for dispensing of a product therefrom. Preferred transmission means include a moveable wall separating the product and source chambers, a check valve, a constant pressure valve, and a membrane of the type allowing passage of gas but resisting passage of non-gaseous fluid. In a preferred embodiment the source chamber is defined by an enclosure ...
In a pressurized container-dispenser of the type having a container body and a product chamber therein, valve means for controlling the dispensing Of a product therefrom and means to pressurize the product chamber whereby to expel product through the valve means, the improvement wherein said pressurizing means comprises: a separate pressure source chamber within said container body; a gas-adsorbent solid and a gas adsorbable thereon within said source chamber to provide a gas reserve whereby pressure in said source chamber is substantially reinforced des...