Combustible objects, in particular combustible cartridge cases,

Details Combustible objects, in particular combustible cartridge cases, Combustible objects, in particular combustible cartridge cases,

1979-12-07

1982-12-28

Miller, Edward A.

Ammunition and explosives

Cartridges

Combustilbe, destructible, or caseless

102290, 102700, 149 12, F42B 526

Patent

active

043655580

ABSTRACT:
The invention relates to the field of combustible objects used in weaponry and in particular to the field of combustible cartridge cases.
The combustible objects according to the invention are covered with a thin layer of varnish, based on an organic binder, containing hollow microbeads, the said varnish being based on a binder chosen from the group comprising chlorinated rubbers, polyvinylidene chloride, cellulosic binders, glycero-phthalic binders, polyurethane resins and polyepoxy resins. The varnish contains between 5 and 20% by weight, preferably about 10%, of hollow microspheres, relative to the dissolved polymer, and optionally between 2 and 15% by weight of an energy-producing charge having a self-ignition point above 200.degree. C.
The combustible objects according to the invention exhibit delayed self-ignition if they are placed in contact with a hot wall, without their thermodynamic properties being adversely affected.

REFERENCES:
patent: 3197511 (1965-07-01), Tsou et al.
patent: 3257948 (1966-06-01), Axelrod et al.
patent: 3730094 (1973-05-01), Quinlan
patent: 3877374 (1975-04-01), Cook
patent: 3927616 (1975-12-01), Axelrod et al.
patent: 4001126 (1977-01-01), Marion et al.
patent: 4034676 (1977-07-01), Daume
patent: 4209351 (1980-06-01), Pierce et al.

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