초록 ▼

Apparatus for severing a conduit along a plane generally transverse to the axis of the conduit which includes two confined explosive charges aligned axially with the conduit and terminating at opposed proximal convexly shaped ends facing each other across a space disposed in such transverse plane. A

Apparatus for severing a conduit along a plane generally transverse to the axis of the conduit which includes two confined explosive charges aligned axially with the conduit and terminating at opposed proximal convexly shaped ends facing each other across a space disposed in such transverse plane. A liner formed of high density ductile material having radially increasing thickness is attached to each of the proximal ends of the charges and detonation devices are disposed at the distal ends of the charges for originating simultaneous detonation of the charges. Methods of severing conduits using the apparatus are also provided.

대표청구항 ▼

Apparatus for severing a conduit along a plane extending transversely through the conduit comprising: two aligned, confined cylindrical explosive charges positioned relative to each other for alignment along the longitudinal axis of the conduit and each including a distal end and a convexly shaped p

Apparatus for severing a conduit along a plane extending transversely through the conduit comprising: two aligned, confined cylindrical explosive charges positioned relative to each other for alignment along the longitudinal axis of the conduit and each including a distal end and a convexly shaped proximal end, said proximal ends facing each other and defining an explosive-free space separating the remaining portion of one of the charges from the remaining portion of the other charges; a liner formed of high density ductile material positioned adjacent each of said proximal ends of said charges, said liners having shapes conforming with the shapes of said proximal ends of said charges and having radially increasing thicknesses; and means at the distal ends of said charges for simultaneously initiating detonation of the charges at the distal ends thereof.