Marine mine

Ammunition and explosives – Igniting devices and systems

Patent

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Details

F42B 2204

Patent

active

041877799

ABSTRACT:
1. In a pressure responsive mine having a casing and an arming and firing rcuit therein, a pressure responsive device mounted in the casing and exposed to the pressure of the sea water, a second pressure responsive device mounted in the casing, a fluid connection between the first and second pressure responsive devices, a third pressure responsive device mounted in the casing, a restricted fluid pressure responsive connection between the second and third pressure responsive devices, and a circuit making and breaking device positioned in the restricted connection between the second and third pressure responsive devices and connected in the arming and firing circuit.

REFERENCES:
patent: 1382374 (1921-06-01), Maxim
patent: 1407653 (1922-02-01), Hammond
patent: 1448976 (1923-03-01), Palmer

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