|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||141/020; 141/003; 141/372; 053/470|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 23|
A bag-on-valve aerosol valve system in a container. Propellant is pressure filled around the valve stem, outwardly over the stem gasket and down into the container space outside the bag. Product is filled through the valve stem into the bag. The valve stem has an exterior intermediate frusto-conical annular surface and the valve housing has an interior frusto-conical annular surface, with both surfaces engaging in annular sealing contact to block propellant access to the bag when the valve stem is deeply depressed to a first predetermined position for pr...
What is claimed is: 1. An apparatus for pressure filling product into a bag-on-valve aerosol valve system, the product to be filled into the bag sealingly mounted to the valve, and the valve having a valve stem with an indent in its exterior surface, the apparatus comprising: a product filling head insert member having two spring-loaded slides, each of the spring-loaded slides being extendable into the indent in the exterior surface of the valve stem to establish a precise degree of stem depression for product filling upon insertion of the valve stem in...