Explosive charge for the explosive welding of large diameter...

Details Explosive charge for the explosive welding of large diameter... Explosive charge for the explosive welding of large diameter...

C - Chemistry, Metallurgy

06

B

52/49, 102/9

C06B 45/10 (2006.01) B21D 39/04 (2006.01) B23K 20/08 (2006.01)

Patent

CA 1255507

ABSTRACT OF THE DISCLOSURE The disclosure relates to an explosive charge intended for the explosive jointing of, primarily, large-diameter pipes, such as pipeline pipes. The charge according to the invention is intended to be delivered as a unit ready to be applied immediately on site in the pipe. The only item which is not intended to be included is the detonator which is mounted in place immediately prior to blowing the charge. The charge includes, apart from explosive, also a polymer binder of a more closely defined type and gas blisters preferably in the form of microspheres of glass or plastic and metal or metal oxide powder. The scope of the invention embraces the general configuration of the charge and all components included therein.

511926

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