Global Patent Index - EP 0684883 A1

EP 0684883 A1 19951206 - PROCESS FOR MANUFACTURING A LIGHT METAL WHEEL IN A SINGLE PIECE FROM A WROUGHT ALUMINIUM MATERIAL.

Title (en)

PROCESS FOR MANUFACTURING A LIGHT METAL WHEEL IN A SINGLE PIECE FROM A WROUGHT ALUMINIUM MATERIAL.

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES EINTEILIGEN LEICHTMETALLRADES AUS EINEM ALUMINIUM-KNETWERKSTOFF.

Title (fr)

PROCEDE DE FABRICATION D'UNE ROUE EN METAL LEGER, D'UNE SEULE PIECE, EN UN MATERIAU D'ALUMINIUM CORROYE.

Publication

EP 0684883 A1 19951206 (DE)

Application

EP 94904966 A 19940122

Priority

  • DE 9400063 W 19940122
  • DE 4305091 A 19930219

Abstract (en)

[origin: WO9419127A1] A process is disclosed for manufacturing a light metal wheel in a single piece from a wrought aluminium material, preferably an alloy of the AlMgSi type, by flow turning or rolling a warm blank. The blank is solution heat treated at temperatures around 530 DEG C, then is quenched and artificially aged at approximately 150 DEG to 200 DEG . The solution heat treated blank is controllably quenched at approximately 200 DEG C, is flow turned or rolled at this temperature, while a further temperature rise is avoided, and is then artificially aged.

IPC 1-7

B21H 1/10; B21D 53/26; C22F 1/05

IPC 8 full level

B21D 53/26 (2006.01); B21H 1/10 (2006.01); C22F 1/00 (2006.01); C22F 1/04 (2006.01); C22F 1/05 (2006.01)

CPC (source: EP KR)

B21D 53/26 (2013.01 - KR); B21D 53/264 (2013.01 - EP); B21H 1/10 (2013.01 - EP KR); C22F 1/04 (2013.01 - EP); C22F 1/05 (2013.01 - EP KR)

Citation (search report)

See references of WO 9419127A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9419127 A1 19940901; AT E150992 T1 19970415; AU 5878894 A 19940914; CZ 207095 A3 19960313; CZ 292222 B6 20030813; DE 4305091 C1 19940310; EP 0684883 A1 19951206; EP 0684883 B1 19970402; HU 212741 B 19961028; HU 9502444 D0 19951030; HU T71759 A 19960129; JP H08505660 A 19960618; KR 0178603 B1 19990218; KR 960700838 A 19960224; NO 301109 B1 19970915; NO 952166 D0 19950601; NO 952166 L 19950616; SK 101895 A3 19970604; SK 279051 B6 19980603

DOCDB simple family (application)

DE 9400063 W 19940122; AT 94904966 T 19940122; AU 5878894 A 19940122; CZ 207095 A 19940122; DE 4305091 A 19930219; EP 94904966 A 19940122; HU 9502444 A 19940122; JP 51852894 A 19940122; KR 19950703462 A 19950818; NO 952166 A 19950601; SK 101895 A 19940122