Ammunition and explosives – Shells – Practice
Patent
1989-08-11
1990-06-12
Tudor, Harold J.
Ammunition and explosives
Shells
Practice
102482, 102502, 102513, 273418, 273DIG2, F42B 814
Patent
active
049323296
ABSTRACT:
A simulated hand grenade has a lightweight frangible outer shell of STYROFOAM (trademark), a small charge within the shell, fuse means for delayed detonation of the charge, and ignition means for activating the fuse means. In the preferred embodiment, there is a dye such as tempera powder within the shell. The fuse means is a lacquered igniter wire, commonly sold to hobbyists as "cannon fusing", which burns to provide a delayed detonation of in the range of two to ten seconds after ignition. The ignition means has a spring-loaded hammer arranged to impact a cap when released, to thereby explode the cap. The cap is positioned immediately adjacent to the end of an igniter wire such that igniter the wire is ignited by the explosion of the cap. The spring-loaded hammer is held against release by an overlying spoon pivotally installed on the top of the simulated grenade and secured against accidental release by a pin. The charge is in a cardboard cylinder within the shell, containing a charge of approximately 40 grains of FFFF black powder.
REFERENCES:
patent: 2960934 (1960-11-01), Jackson et al.
patent: 3137852 (1964-06-01), Hopper
patent: 3194161 (1965-07-01), Becker et al.
patent: 3369486 (1968-02-01), Wrennstad et al.
patent: 3419274 (1968-12-01), Tabor
patent: 3472218 (1969-10-01), Mars
patent: 3492945 (1970-02-01), Filippi
patent: 3630186 (1971-12-01), Babyn
patent: 4392432 (1983-07-01), Fenrick et al.
Armstrong R. Craig
Tudor Harold J.
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