Research/Patents/US 5331895
US 5331895

SHAPED CHARGES AND THEIR MANUFACTURE

Assignee

Filed

Oct 11, 1990

Granted

Jul 26, 1994

Location

SEVENOAKS EN GB

Abstract

A shaped charge liner formed of a solid metallic material having a fine grain size of the order of 25 microns or less. The material can be, for example, copper, uranium, tantalum or an alloy showing superplasticity and having a density greater than about 5 gm/cm3. The liner can be made by subjecting the material to repeated cycles of cold working, annealing at just above the recrystallization temperature, and quenching.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Sep 30, 1991

Rescinded

Nov 2, 1992

Duration

1 year, 1 month

Inventor

  • 1BRIAN BOURNE
Back to patent indexSource: USPTO 35 USC §181 secrecy order records