Apparatus and method for covering primer flash holes

Details Apparatus and method for covering primer flash holes Apparatus and method for covering primer flash holes

1981-07-23

1983-05-17

Sebastian, Leland A.

Ammunition and explosive-charge making

Ammunition making

Caps and cartridges

102204, 102470, F42B 502, F42B 902

Patent

active

043834698

ABSTRACT:
Apparatus and method for covering the flash holes in a primer battery cup, particularly where the anvil is formed integrally with the battery cup. Tooling apparatus is provided which includes a spring-loaded punch positioned and slideable axially within an outer punch. A covering medium such as paper is delivered to the tooling station as a strip where it is pierced and slit by the spring-loaded inner punch and blanked by the outer punch. The blanked portion is inserted into the battery cup and seated over the flash holes at the bottom of the cup around the anvil.

REFERENCES:
patent: 3535978 (1970-10-01), Stadler
patent: 3581619 (1971-06-01), Makay
patent: 4353304 (1982-10-01), Hubsch et al.

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