(19)
(11) EP 1 163 064 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.02.2006 Bulletin 2006/05

(45) Mention of the grant of the patent:
16.11.2005 Bulletin 2005/46

(21) Application number: 00908361.9

(22) Date of filing: 25.01.2000
(51) International Patent Classification (IPC): 
B21H 5/00(1968.09)
 B21H 5/02(1968.09)
(86) International application number:
PCT/US2000/001790
(87) International publication number:
WO 2000/043148 (27.07.2000 Gazette 2000/30)

(54)

METHOD FOR ROLL FORMING GEARS

VERFAHREN ZUM WALZEN VON ZAHNRÄDERN

PROCEDE DE PROFILAGE DE ROUE DENTEE

(84) Designated Contracting States:
BE DE ES FR GB IT

(30) Priority: 25.01.1999 US 237290

(43) Date of publication of application:
19.12.2001 Bulletin 2001/51

(73) Proprietor: Sinterstahl Corp.-Powertrain
Dayton, OH 45426 (US)

(72) Inventors:
  • WOOLF, Richard, M.
    Cincinnati, OH 45211 (US)
  • TRASORRAS, Juan, R., L.
    Dayton, OH 45458 (US)

(74) Representative: Harrison Goddard Foote 
Orlando House 11c Compstall Road Marple Bridge
Stockport SK6 5HH
Stockport SK6 5HH (GB)


(56) References cited: : 
DE-C- 869 723
GB-A- 1 225 957
GB-A- 1 352 894
SU-A- 965 582
US-A- 1 858 044
US-A- 2 641 088
US-A- 5 711 187
 GB-A- 1 125 952
GB-A- 1 265 987
JP-A- 1 058 421
US-A- 1 759 333
US-A- 1 955 082
US-A- 5 299 390
   
  • PATENT ABSTRACTS OF JAPAN vol. 1997, no. 04, 30 April 1997 (1997-04-30) -& JP 08 323443 A (MUSASHI SEIMITSU IND CO LTD), 10 December 1996 (1996-12-10)
  • DATABASE WPI Section PQ, Week 197732 Derwent Publications Ltd., London, GB; Class P52, AN 1977-G6513Y XP002243363 -& SU 532 443 A (BRYANSK TRANSPT MAC), 21 December 1976 (1976-12-21)
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).