Safe packaging for detonating cord

Details Safe packaging for detonating cord Safe packaging for detonating cord

1991-03-26

1992-07-07

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 771, 242166, 206 3, 206389, 53397, 53430, B65H 5500, B65H 7500

Patent

active

051275937

ABSTRACT:
The invention relates to a method of packaging a detonating cord comprising explosive material contained in a sheath, intended to meet safety regulations of air transportation. The detonating cord is wound on a support in such a manner that every portion of the detonating cord in the winding is spaced apart from the nearest portions which are substantially parallel thereto by a distance (a) lying in a range between the distance below which detonation is transmissible from one portion to the nearest portion, and the distance beyond which said containing sheath is no longer destroyed by the detonation of a nearest portion.

REFERENCES:
patent: 1485320 (1924-02-01), Wheeler et al.
patent: 1509123 (1924-09-01), Binder
patent: 1596962 (1926-08-01), Geddes
patent: 1983141 (1934-12-01), McFarland
patent: 2349946 (1944-05-01), Durr
patent: 2352998 (1944-07-01), Alexander
patent: 2393221 (1946-01-01), Mercer et al.
patent: 3576295 (1971-04-01), Hale
patent: 4326631 (1982-04-01), Annand
patent: 4586602 (1986-05-01), Levey
patent: 4895249 (1990-01-01), Davis et al.
patent: 5029960 (1991-07-01), Hulderman et al.

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