Device for firing a diabolo form bullet from a firearm

Details Device for firing a diabolo form bullet from a firearm Device for firing a diabolo form bullet from a firearm

1992-10-23

1994-05-10

Tudor, Harold J.

Ammunition and explosives

Cartridges

102447, 102530, F42B 500, C06D 500

Patent

active

053098420

ABSTRACT:
The device for firing a diabolo form bullet from a firearm with a rifled barrel consists of a cartridge having a housing, a detonation cap connected to one end of the housing in a gas-tight manner and containing a gas-forming propellant, the housing having an expansion compartment for expansion of a gas produced on ignition of the gas-forming propellant and an outer surface tapered toward another end of the housing remote from the detonation cap, the tapered outer surface aligning the diabolo form bullet loaded coaxially in the rifled barrel by engaging a tapered recess provided in the diabolo form bullet, whereby the diabolo form bullet is forced into the rifled barrel so as to calibrate the diabolo form bullet; and a membrane covering the other end of the housing remote from the detonation cap. The housing is provided with at least one breakthrough region, which ruptures when a gas pressure on ignition exceeds a predetermined maximum value.

REFERENCES:
patent: 1817273 (1931-08-01), Schuler
patent: 2865456 (1958-12-01), Dennis
patent: 3628225 (1971-12-01), Parker
patent: 3771451 (1973-11-01), Woodring
patent: 3882778 (1975-05-01), Gawlick et al.
patent: 4676164 (1987-06-01), Carter et al.
patent: 4681038 (1987-07-01), Washburn
patent: 4899660 (1990-02-01), Brighton
patent: 4899663 (1990-02-01), Thorn
patent: 4958567 (1990-09-01), Olson
patent: 5016536 (1991-05-01), Brighton
European Search Report, Jan. 28, 1993 for European Patent Application EP 92 11 7602.

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