Patent ID: 7625197

Claim:
A canister for degassing a mold piece; comprising: a substantially hollow body defining an internal volume; a first and a second end portion secured to opposing ends of the body and further defining the internal volume, the first end portion having an opening formed therein for providing access to the internal volume so that the mold piece can be inserted into and removed from the internal volume; a lid capable of being secured to the first end portion on a selective basis for covering the opening; at least one of a needle valve for allowing gaseous fluid to be introduced into and evacuated from the internal volume, and a membrane in fluid communication with the internal volume so that the membrane can provide an indication of a pressure differential between the internal volume and an ambient environment around the canister; and a mating structure on an end portion configured to removably mate to a container wherein said canister forms a sealed interface therewith when mated.