Expendable breech gun round

Details Expendable breech gun round Expendable breech gun round

1975-10-28

1991-11-12

Brown, David H.

Ammunition and explosives

Cartridges

Combustilbe, destructible, or caseless

102443, F42B 518

Patent

active

050638513

ABSTRACT:
A round for an expendable breech gun wherein a filament reinforced breeche is lined with propellant throughout its length whereby the burning rate of the propellant in effect varies with projectile speed within the breechcase. A metal or plastic honeycomb bonded to the inner wall of the breechcase provides mechanical support for the propellant and precludes axial progression of the flame front in advance of the projectile. An alternative construction employs a propellant lining having a succession of increasing burning rates from the breech end to the muzzle end of the breechcase.

REFERENCES:
patent: 273209 (1883-02-01), Wrard
patent: 1441517 (1923-01-01), Miskunas
patent: 1920075 (1933-07-01), Haenichen
patent: 2317579 (1943-04-01), Bacon
patent: 2956500 (1960-10-01), Barr
patent: 2996988 (1961-08-01), Kunz
patent: 3141377 (1964-07-01), Butterworth
patent: 3183665 (1965-05-01), Webb
patent: 3507219 (1970-04-01), Dardick
patent: 3575112 (1971-04-01), Farmer
patent: 3688697 (1972-09-01), Paul et al.

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