Global Patent Index - EP 2021138 A1

EP 2021138 A1 2009-02-11 - METHOD AND APPARATUS FOR PROCESSING A PREFORM FOR A RIM, AND RIM

Title (en)

METHOD AND APPARATUS FOR PROCESSING A PREFORM FOR A RIM, AND RIM

Title (de)

VERFAHREN UND VORRICHTUNG ZUR BEHANDLUNG EINES VORFORMLINGS FÜR EINE FELGE UND FELGE

Title (fr)

PROCÉDÉ ET APPAREIL PERMETTANT DE TRAITER UNE PRÉFORME SERVANT À FORMER UN REBORD ET REBORD

Publication

EP 2021138 A1 (EN)

Application

EP 07747423 A

Priority

  • NL 2007050199 W
  • NL 1031775 A

Abstract (en)

[origin: WO2007129894A1] A method for processing a preform for a rim wherein a ring-shaped rudimentary metal rim edge (5) is clamped in a slit (13) moving along the circumferential edge of the rim edge (5) between a profiled outer surface (8) of a mandrel (7) and a profiled outer surface (11) of a profiling roller (9), wherein the slit (13) is wedge-shaped and wherein an angle (a) included by the centerlines (6, 10) of mandrel (7) and profiling roller (9) is reduced, propelling material of the rudimentarily formed rim edge (5) to a wider portion of the slit (13) . The invention also relates to an apparatus for processing a preform for a rim, and a rim.

IPC 8 full level (invention and additional information)

B21H 1/10 (2006.01); B21D 53/30 (2006.01); B60B 3/00 (2006.01)

CPC (invention and additional information)

B21D 53/30 (2013.01); B21H 1/10 (2013.01)

Citation (search report)

See references of WO 2007129894A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

WO 2007129894 A1 20071115; BR PI0711431 A2 20111116; CN 101466486 A 20090624; EP 2021138 A1 20090211; JP 2009536099 A 20091008; NL 1031775 C2 20071112; RU 2008148323 A 20100620; US 2009301153 A1 20091210

INPADOC legal status


2011-06-01 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20101201

2009-02-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081208

2009-02-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS