Research/Patents/US 5272954
US 5272954

LAMINATED ARMOUR

Assignee

SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND, THE, A BRITISH CORP.

Filed

Sep 28, 1990

Granted

Dec 28, 1993

Location

SURREY EN GB

Abstract

Laminated armour comprising a first part (11) situated on the side of the armor from which attack is to be resisted and a second part (12) which is coextensive with the first part wherein: (i) the first part comprises a lamination of first metal sheets (1) each having an average thickness t2 adhesively bonded by interface layers (8) having a thickness (t1) between 0.4t2 and 0.9t2 and a compressive Young's Modulus perpendicular to the layers below 4 GPa; (ii) the second part comprises material which is more ductile than the metal of the first metal sheets, and preferably comprises second metal sheets (2) which are bonded to each other and to the first part of the armor (11) with aramid fibre reinforced adhesive.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Feb 21, 1991

Rescinded

Nov 2, 1992

Duration

1 year, 8 months

Inventor

  • 1IAN G. CROUCH
Back to patent indexSource: USPTO 35 USC §181 secrecy order records