Plastic valve for gas fired guns

Details Plastic valve for gas fired guns Plastic valve for gas fired guns

F - Mech Eng,Light,Heat,Weapons

41

B

124/6

F41B 11/06 (2006.01) F41B 11/02 (2006.01) F41B 11/32 (2006.01)

Patent

CA 1082066

Abstract of the Disclosure The plastic valve includes an elongated plastic valve stem and an elongated pin. An end portion of the pin projects from an end of the plastic stem with the remaining portion of the pin being wholly encapsulated by the stem. The pin is generally cylindrical and has a pair of reduced diameter portions defining shoulders forming impact surfaces which butt the axially opposed portions of the encapsulating stem. The stem preferably has a tapered sealing surface irradiated by beta rays to provide a sealing surface highly resistant to creep and deformation. The sealing surface is coated with Teflon to reduce its chemical activity and to improve its sealing characteristics. The opposite end of the pin has a deflector which projects axially beyond the pin to flow the plastic material during injection molding of the stem.

294692

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