EP 2021138 A1 20090211 - 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
Application
Priority
- NL 2007050199 W 20070508
- NL 1031775 A 20060509
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
B21D 53/30 (2006.01); B21H 1/10 (2006.01); B60B 3/00 (2006.01)
CPC (source: EP US)
B21D 53/30 (2013.01 - EP US); B21H 1/10 (2013.01 - EP US)
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
DOCDB simple family (publication)
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
DOCDB simple family (application)
NL 2007050199 W 20070508; BR PI0711431 A 20070508; CN 200780021449 A 20070508; EP 07747423 A 20070508; JP 2009509466 A 20070508; NL 1031775 A 20060509; RU 2008148323 A 20070508; US 29996107 A 20070508