Gun barrel

Details Gun barrel Gun barrel

1976-05-12

1978-02-28

Bentley, Stephen C.

Ordnance

Barrels

Composite

F41F 1708

Patent

active

040759261

ABSTRACT:
Existence of cracks through the liner of a gun barrel is determined by sizing the outer tube of the barrel to expand and jam in the recoil jacket in response to pressure between the liner and the tube; or by providing electrical conductors between the tube and the liner which change their electrical characteristics when cracks form; or by permitting powder gases to leak through small openings in the tube as an indication of failure; or by a combination of these methods.

REFERENCES:
patent: 91864 (1869-06-01), Palliser
patent: 727767 (1903-05-01), Emery
patent: 1772507 (1930-08-01), Barnes
patent: 1975832 (1934-10-01), De Florez
patent: 3742640 (1973-07-01), Thomsen

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