Delay booster assembly

Details Delay booster assembly Delay booster assembly

1976-03-09

1977-11-29

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

102 27R, F42B 310

Patent

active

040600335

ABSTRACT:
A nonelectrically initiated delay booster assembly includes a booster shell containing an explosive material, a cap well extending through one end of the booster shell into the explosive material, a nonelectric delay cap in the well and a detonating cord tunnel surrounded by a shock absorbing material affixed to the side of the booster shell or enclosed inside the booster shell. A signal carrier extends from a point within the cap to a point adjacent a detonating cord extending through the detonating cord tunnel, and a sensor member is affixed to that end of the signal carrier that is external to the booster shell in such a manner that it is in initiating relationship with the detonating cord extending through the detonating cord tunnel. A plurality of these boosters can be affixed to a single detonating cord downline when conducting multi-deck blasting operations.

REFERENCES:
patent: 3342133 (1967-09-01), Strom et al.
patent: 3353485 (1967-11-01), Miller et al.
patent: 3371607 (1968-03-01), Olsson
patent: 3431849 (1969-03-01), Kern et al.
patent: 3590739 (1971-07-01), Persson
patent: 3709149 (1973-01-01), Driscoll
patent: 3776135 (1973-12-01), Zebree

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