Time delay replay

Details Time delay replay Time delay replay

1988-11-08

1990-03-27

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Fuse cord

1022754, C06C 504, F42B 316

Patent

active

049110764

ABSTRACT:
A detonating delay relay for shock or signal tube application so made as to be bidirectional. Comprising a delay detonator having a plug which holds two lengths of shock tube sealed at the ends. The detonation pulse is transmitted from one length of shock tube to the delay detonator. After a suitable delay, initiation of the other length of shock tube takes place.

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patent: 4424747 (1984-01-01), Yunan
patent: 4426933 (1984-01-01), Yunan
patent: 4495867 (1985-01-01), Mitchell et al.
patent: 4714017 (1987-12-01), Kelly et al.
patent: 4730560 (1988-03-01), Bartholomew et al.
patent: 4742773 (1988-05-01), Bartholomew et al.

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