Blasting signal transmission tube delay unit

Ammunition and explosives – Igniting devices and systems – Fuse cord

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Details

1022754, 1022757, 10227512, 10220213, C06C 504

Patent

active

047427736

ABSTRACT:
A transmission tube signal delay assembly comprising a delay element containing a shaped delay composition having a preselected combustion time from a first side of the delay element to a second side of the delay element; a first transition element adjacent to the delay element at the first side for transferring a transmission tube signal to the delay element; and a second transition element adjacent to the delay element at the second side for transferring a signal from the delay element to a transmission tube, each of the transition elements comprising a shaped transition composition. Also, a method for delaying a transmission tube signal delay unit having a housing with a plurality of openings for receiving portions of signal transmission tube having interior-exposing opening means for securing the signal transmission tubes in the housing openings; and the signal delay assembly mounted in the housing with each of the transition elements positioned between the delay element and one of the housing openings for transferring a signal between the delay element and each of the signal transmission tubes.

REFERENCES:
patent: 2707438 (1955-05-01), Mann et al.
patent: 2736263 (1956-02-01), Lewis et al.
patent: 2891476 (1959-06-01), Forsyth
patent: 3306201 (1967-02-01), Noddin
patent: 3320884 (1967-05-01), Kowalick et al.
patent: 3343487 (1967-09-01), Hare, Jr. et al.
patent: 3353485 (1967-11-01), Miller et al.
patent: 3718095 (1973-02-01), Munger et al.
patent: 3727552 (1973-04-01), Zakheim

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