Research/Patents/US 4693181
US 4693181

LINEAR CUTTING CHARGE

Assignee

SECRETARY OF STATE FOR DEFENCE IN HER MAJESTY`S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND, WHITEHALL, LONDON SW1A 2HB, ENGLAND, A BRITISH CORP.

Filed

Oct 17, 1983

Granted

Sep 15, 1987

Location

SEVENOAKS GB

Abstract

The application discloses improvements in hollow charges for linear cutting or demolition purposes wherein a bar formed from a composite of explosive material and a first pliant material has a V-shaped groove with a liner formed from a composite of particulate metal and a second pliant material. The metal may be copper and preferably the first and second pliant materials include the same constituents. The charge may include a casing having a spacing portion having an engagement surface for presentation to a work surface, which engagement surface is parallel to the outer edges of the liner and spaced therefrom to maintain an optimum stand-off distance. The casing may further include a groove filling portion of low density material which may be integrally constructed with the casing from a flexible material such as expanded polyethylene.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 6, 1984

Rescinded

Oct 3, 1986

Duration

1 year, 11 months

Inventor

  • 1DAVID A. DADLEY
Back to patent indexSource: USPTO 35 USC §181 secrecy order records