Ammunition and explosives – Projectiles – Target marking
Patent
1986-05-05
1987-06-16
Tudor, Harold J.
Ammunition and explosives
Projectiles
Target marking
102204, F42B 1116
Patent
active
046728970
ABSTRACT:
An improvement is disclosed in the method of initiating an explosive charge arried to a target site by a rocket launched toward a target whereupon striking a soft target the performance functioning of a percussion primer to a spotting charge is improved by an impactor-cap device in communication with the percussion primer whereby the impactor will indent the primer with sufficient energy and depth to cause functioning. The impactor-cap device is comprised of a cap portion and an impactor portion. The cap portion is in the form of a thin plastic cup of a material selected from polyethylene, nylon, mylar, or cellulose acetate. The impactor portion is in the form of a ball or spike of hard material such as a steel ball, glass ball, or high impact strength plastic such as polycarbonate, methyl methacrylate (Plexiglas), or nylon. The impactor-cap device is designed to form a contoured fit with the ogive of the spotting head, and a small amount of adhesive is applied to the inside surface of the cap to hold the cap whereby the impactor is retained within the cap portion wherein orientation is achieved to align and hold the impactor in proper position to the percussion primer whereupon striking a soft target increased performance and reliability is achieved.
REFERENCES:
patent: 2415262 (1947-02-01), Semple
patent: 2892411 (1959-06-01), Brown et al.
patent: 3119337 (1964-01-01), Przychowski
patent: 4488490 (1984-12-01), Betts
Bush Freddie M.
Garvin, Jr. John C.
The United States of America as represented by the Secretary of
Tudor Harold J.
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