Global Patent Index - EP 1097758 A3

EP 1097758 A3 20020102 - Method for forming a large metal sheet, especially a vehicle body part

Title (en)

Method for forming a large metal sheet, especially a vehicle body part

Title (de)

Verfahren zur Herstellung eines grossflächigen Blechteiles, insbesondere eines Karosseriebauteiles für ein Fahrzeug

Title (fr)

Méthode de formage d' une large tôle, en particulier une partie de carrosserie d'un véhicule

Publication

EP 1097758 A3 20020102 (DE)

Application

EP 00119880 A 20000913

Priority

DE 19953522 A 19991105

Abstract (en)

[origin: EP1097758A2] A flat blank (2) esp. a tailored blank, is subjected to e.g. a hydraulic or pneumatic medium (8) in a forming tool (3), to produce a pre-stretched semi-finished part. This part is subsequently formed to a finished part in a separate deep drawing tool. The die (5) of the forming tool has a smooth or profiled underside.

IPC 1-7

B21D 22/20

IPC 8 full level

B21D 22/20 (2006.01); B21D 22/26 (2006.01); B21D 26/02 (2011.01); B21D 26/021 (2011.01); B21D 35/00 (2006.01)

CPC (source: EP KR US)

B21D 22/20 (2013.01 - EP US); B21D 22/26 (2013.01 - EP US); B21D 26/02 (2013.01 - EP US); B21D 26/021 (2013.01 - EP US); B21D 35/00 (2013.01 - KR)

Citation (search report)

  • [XA] DE 19717953 A1 19981029 - BAYERISCHE MOTOREN WERKE AG [DE]
  • [A] DE 19624036 A1 19971218 - KLEINER MATTHIAS PROF DR ING [DE]
  • [X] PATENT ABSTRACTS OF JAPAN vol. 017, no. 651 (M - 1519) 3 December 1993 (1993-12-03)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 008, no. 174 (M - 316) 10 August 1984 (1984-08-10)
  • [A] PATENT ABSTRACTS OF JAPAN vol. 018, no. 190 (M - 1586) 31 March 1994 (1994-03-31)

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 (publication)

EP 1097758 A2 20010509; EP 1097758 A3 20020102; EP 1097758 B1 20041201; DE 19953522 A1 20010517; DE 50008822 D1 20050105; ES 2228374 T3 20050416; JP 2001162330 A 20010619; KR 20010051446 A 20010625; US 6675620 B1 20040113

DOCDB simple family (application)

EP 00119880 A 20000913; DE 19953522 A 19991105; DE 50008822 T 20000913; ES 00119880 T 20000913; JP 2000336349 A 20001102; KR 20000065346 A 20001104; US 70591900 A 20001106