Power load for underwater spear gun

Ammunition and explosives – Cartridges – Shot

Patent

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Details

102462, 102430, 42 114, 206811, F41C 906, F42B 700

Patent

active

047427752

ABSTRACT:
A power load for use with an underwater spear gun including a casing, explosive material within the casing, the casing having one closed end adapted to open when the explosive material explodes. The closed end is sealed with a sealing compound to prevent water from penetrating the casing. The closed end may be crimped closed or closed by means of a wad or plug of suitable material. The sealing compound may be a silicone rubber or polylvinylchloride which permeates the closed end.

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patent: 4359999 (1982-11-01), Garofalo

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