Research/Patents/US 4824624
US 4824624

METHOD OF MANUFACTURING BORON CARBIDE ARMOR TILES

Assignee

CERADYNE, INC.

Filed

Dec 17, 1984

Granted

Apr 25, 1989

Location

SAN CLEMENTE CA US

Abstract

A method of providing fastener holes in extremely hard ceramic armor comprises the steps of: (a) providing a billet of precompacted ceramic powder material; (b) drilling the desired holes in the billet; (c) preparing a plug of non-sintering material that is chemically compatible with and has compaction characteristics similar to the ceramic powder material; (d) pressing the plugs into the billet holes; (e) hot pressing the billet and plugs at conventional temperature and pressure for manufacture of a ceramic armor structure, and; (f) removing plugs by conventional tooling or sandblasting.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 8, 1985

Rescinded

Oct 12, 1988

Duration

3 years, 5 months

Inventor

  • 1RICHARD J. PALICKA

Record Details

Patent number
US 4824624
Application
00668493
Aerospace match
No
Dataset source
35 USC §181 SO records

Browse by Assignee

CERADYNE, INC.
Back to patent indexSource: USPTO 35 USC §181 secrecy order records