Two-element wad with pneumatic damping

Details Two-element wad with pneumatic damping Two-element wad with pneumatic damping

1996-08-21

1998-08-11

Tudor, Harold J.

Ammunition and explosives

Cartridges

Shot

102451, 102461, 102532, F42B 708

Patent

active

057929793

ABSTRACT:
Two-element wad with pneumatic damping designed for the cartridge industry formed by two interchangeable elements connected to each other and which consist of a case and a damper-shutter. The case incorporates a series of foldable flaps and a valve that regulates the damping and injects air. Both the case and the damper-shutter have crosssectional walls and a convexo-concave shape that can absorb radial deformations to the symmetry axis of the wad. The damper-shutter has a four-fold action: it withstands the flexion and deformation of the material, the friction against the walls, and the compression of the air contained in the damper-shutter.

REFERENCES:
patent: 419220 (1890-01-01), Scanland
patent: 1691802 (1928-11-01), Gabel
patent: 3289586 (1966-12-01), Horn et al.
patent: 3420178 (1969-01-01), Rempel
patent: 3623431 (1971-11-01), Hendricks
patent: 4220090 (1980-09-01), Fackler
patent: 4782759 (1988-11-01), Hawk

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