Global Patent Index - EP 1163063 A1

EP 1163063 A1 2001-12-19 - HARDENED STEEL SECURITY MATERIALS

Title (en)

HARDENED STEEL SECURITY MATERIALS

Title (de)

SICHERHEITSMATERIAL AUS GEHÄRTETEM STAHL

Title (fr)

MATERIAUX DE SECURITE EN ACIER TREMPE

Publication

EP 1163063 A1 (EN)

Application

EP 00904691 A

Priority

  • AU 0000048 W
  • AU PP836199 A
  • AU PQ130199 A
  • AU PQ193099 A

Abstract (en)

[origin: WO0044511A1] A hardened steel bar, sheet, plate or other shaped material suitable for security purposes is formed from a nitridable steel which has been subjected to austenitization, oil quenching, tempering and then nitriding to provide a hardened steel material having a surface hardness of at least about 50 HRC (Hardness Rockwell "C").

IPC 1-7 (main, further and additional classification)

B21C 37/00; C21D 1/18; C21D 9/00; C21D 9/08; C22C 38/18; E06B 9/01

IPC 8 full level (invention and additional information)

C22C 38/06 (2006.01); C22C 38/22 (2006.01); C23C 8/02 (2006.01); C23C 8/26 (2006.01); E06B 9/01 (2006.01); C21D 1/18 (2006.01)

CPC (invention and additional information)

C23C 8/26 (2013.01); C22C 38/06 (2013.01); C22C 38/22 (2013.01); C23C 8/02 (2013.01); E06B 9/01 (2013.01); C21D 1/18 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family

WO 0044511 A1 20000803; EP 1163063 A1 20011219; EP 1163063 A4 20020904