Radial-linear shaped charge pipe cutter

Details Radial-linear shaped charge pipe cutter Radial-linear shaped charge pipe cutter

2004-10-08

2010-02-16

Clement, Michelle (Department: 3641)

Ammunition and explosives

Blasting

Detonation wave modifying

C102S307000, C102S308000, C102S310000, C089S001150

Reexamination Certificate

active

07661367

ABSTRACT:
A radial-linear shaped charge pipe cutter is constructed with the booster explosive packed intimately into a booster aperture that is bored axially through the charge upper end plate. The cutter explosive is initiated at the interface between the upper margin of the cutter explosive and the contiguous inside surface of the upper end plate. This interface is within a critical initiation distance from the half charge juncture plane. In one embodiment, a half charge liner is configured as the assembly of two, coaxial, frusto-cones with the smaller cone diverging from the half charge juncture plane at a smaller angle than the outer cone. In another embodiment, the liner thickness increases from the juncture plane out to the liner perimeter.

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