|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/209 ; 220/203 ; 220/367|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 22 인용 특허 : 6|
A non-venting propellant filling and sealing valve is adapted to be seated in a propellant filling hole in a bottom wall of a container and permits pressurization of a container through the hole and thereafter seals the container. The propellant filling and sealing valve includes an umbrella sealing portion, a stem portion and shoulder portions in a collar around the stem portion. The umbrella sealing portion is employed to selectively engage, separate from, and then make a generally annular seal with the interior surface of the bottom wall of the contai...
A propellant filling and sealing valve which permits the injection of propellant pressurizing fluid or gas under pressure through a propellant filling hole in a wall of or for a container and for thereafter sealing the container, said propellant filling and sealing valve comprising: umbrella sealing means adapted to selectively make, engage, separate from, and then make a non-venting seal with the interior surface of the wall about the propellant filling hole therein; stem means operatively connected to said umbrella sealing means and adapted to be recei...