Abstract: In-hole and surface detonators are provided which are essentially free from primary explosives. The detonators utilize a high energy pyrotechnic mixture of a fuel and an oxidizer for initiation of a base charge enclosed in the detonator, or for the initiation of an adjacent shock tube. Improved safety during manufacture of detonators is achieved.
Type:
Grant
Filed:
September 19, 1996
Date of Patent:
August 31, 1999
Assignee:
ICI Canada
Inventors:
Jean-Luc Arpin, Rejean Aube, John A. Conkling