High pressure gun barrel with means to indicate metal...

Details High pressure gun barrel with means to indicate metal... High pressure gun barrel with means to indicate metal...

F - Mech Eng,Light,Heat,Weapons

41

A

89/38

F41A 31/02 (2006.01) F41A 21/04 (2006.01)

Patent

CA 1055748

Abstract of the Disclosure The gun barrel is made of material with a high yield point and com- prises an outer part in the form of a tube and an inner part in the form of a liner. The tube and liner are made of materials and with thicknesses of material which are intended to give the barrel a life at normal use that corresponds to or exceeds the life of a comparable conventional barrel. An indicator means is provided to indicate, before rupture of the tube takes place, the presence of a fatigue crack that goes through the material in the liner. When indication is obtained that such cracks exist, the barrel can be rejected, or a new liner can be inserted.

253442

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