Electrically activated detonator with pyrotechnic device receivi

Details Electrically activated detonator with pyrotechnic device receivi Electrically activated detonator with pyrotechnic device receivi

1989-07-24

1990-08-28

Bentley, Stephen C.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022029, 10220214, F42B 310, F42C 1100, F42C 1912

Patent

active

049515705

ABSTRACT:
A first terminal extends from the central region of a circular cylindrical contact body. A thermoplastic tube is heat shrunk over the cylindrical surface of the body with a leader protruding from an end of the body. The assembly is press fitted into the bore of a circular cylindrical metal sleeve. The interference fit between the parts causes the plastic tube to stretch and compress holding the parts in clamped relation. The leader prevents the plastic tube from slipping out of the joint during the sliding assembly action. A second terminal extends from the sleeve which is in ohmic contact with a metal casing of a pyrotechnic device. An electrically activated match has its electrodes welded to and between the terminals.

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patent: 317409 (1885-05-01), Monfort
patent: 319628 (1885-06-01), Russell
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patent: 1354100 (1920-09-01), Grant et al.
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patent: 4285153 (1981-08-01), Crouch
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