Detonating device

Details Detonating device Detonating device

1980-04-21

1981-10-06

Nelson, Peter A.

Ammunition and explosives

Igniting devices and systems

Fuse cord

F42B 310

Patent

active

042928966

ABSTRACT:
An improved cord-like detonating device is provided for use in non-electric blasting methods. The device comprises a substantially standard detonating cord length wherein a central longitudinal core of the cord consists of a hollow, low energy shock wave conductor. The device has particular utility in long hole blasting with toe priming. Initiating energy can be transmitted down the hole to the toe primer charge through the low energy shock wave conductor. The detonating primer initiates the outer detonating cord sheath which transmits energy to set off additional primer charges attached thereto.

REFERENCES:
patent: 2911910 (1959-11-01), Welsh, Jr.
patent: 3046887 (1962-07-01), Brinkley, Jr. et al.
patent: 3113518 (1963-12-01), Doan
patent: 3543370 (1970-12-01), Berman et al.
patent: 3683809 (1972-08-01), Burkle
patent: 3760728 (1973-09-01), McKee et al.

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