Ammunition and explosives – Blasting – Detonation wave modifying
Patent
1986-06-20
1988-01-12
Nelson, Peter A.
Ammunition and explosives
Blasting
Detonation wave modifying
102318, 102321, 102322, 102323, 102331, F42B 102
Patent
active
047183462
ABSTRACT:
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.
REFERENCES:
patent: 4072702 (1978-02-01), Huskins
patent: 4198454 (1980-04-01), Norton
patent: 4216039 (1980-08-01), Pierce
patent: 4231506 (1980-11-01), Istvannfy et al.
patent: 4280407 (1981-07-01), Allen et al.
patent: 4354433 (1982-10-01), Owen
patent: 4357873 (1982-11-01), Jager
patent: 4418622 (1983-12-01), Foster et al.
patent: 4619201 (1986-10-01), Romer et al.
Schmid Hermann
Sjoberg Per
Svensson Leif
Nelson Peter A.
Nobel Kemi AB
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