Ammunition unit having a sleeve on a primer tube

Details Ammunition unit having a sleeve on a primer tube Ammunition unit having a sleeve on a primer tube

1990-03-02

1991-09-24

Tudor, Harold J.

Ammunition and explosives

Cartridges

102470, 102513, E42B 502

Patent

active

050505025

ABSTRACT:
An apparatus is provided for a primer for igniting a propellant charge of an ammunition unit which includes a cartridge case, a shell located in the forward end of the cartridge case, a tracer cartridge secured to the rear surface of the shell, a propellant charge in the cartridge case, a primer having an elongate primer tube extending in the case through the propellant charge and a space defined in the longitudinal direction of the case between the tracer cartridge and the primer tube. The apparatus comprises a sleeve member having a first end portion mounted onto a forward end of the primer tube and a second end portion adapted to be applied over the tracer cartridge and a partition member provided inside the sleeve member intermediate the end portions for preventing displacement of the sleeve member with respect to the primer tube and therefore preventing collision between the tracer cartridge and the primer tube.

REFERENCES:
patent: 4103620 (1978-08-01), Rusbach
patent: 4763577 (1988-08-01), Romer et al.
patent: 4938145 (1990-07-01), Martwick

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