The invention discloses an inflation valve for inflating containers, which includes a housing including a first opening at a first end and a second opening at a second end, the housing being adapted to be secured to a container at the second end, and adapted to receive a gas filling nozzle at the first...http://www.google.es/patents/US20050178436?utm_source=gb-gplus-sharePatente US20050178436 - Inflation valve
