Tube primer

Details Tube primer Tube primer

1974-07-12

1976-08-10

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

102 29, F42C 1910

Patent

active

039735028

ABSTRACT:
A percussion-ignitable type tube primer has a closed end, thin walled metal tube, which is longitudinally indented over a portion of its length. The indention of the metal tube defines a convex anvil in the interior of the tube. The indented portion of the tube contains a percussively-ignitable primer mixture which ignites and deflagrates when the wall of the tube opposite the convex anvil is deformed by an impact or blow occasioned by a striking hammer or a pin. The primer is made by introducing a fluid paste of the primer mixture into the tube, indenting the tube and subsequently drying the primer mixture.

REFERENCES:
patent: 1310844 (1919-07-01), Semple
patent: 1491000 (1924-04-01), Brandt et al.
patent: 2785633 (1957-03-01), Ewing et al.
patent: 3911823 (1975-10-01), Murray et al.

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