Patent ID: 6510968
Filing Date: 2003-01-28
Classification: B65D,F16K

Abstract:
A valve for a gas ejection apparatus with a container, comprising:a casing secured to an opening of the container, the casing comprising a first block and a second block, the first block and the second block being axially placed contiguously to define a first mating face therebetween; the casing having an axial opening that defines a guide hole; a pin movably received in the guide hole of the casing, the pin having a passage; a first groove formed between the first block and the second block to face the guide hole; a first seal ring disposed in the first groove, wherein when the pin is pushed down, the passage is adapted to ensure fluid communication between an outside of the container and an inside of the container, and when the pin is not pushed down, the first seal ring prevents communication between the outside of the container and the inside of the container; the first mating face having a space formed thereon; and a second seal ring received in the space, the second seal ring preventing fluid communication between the inside of the container and the first groove.