ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRISYU........JDIM360 (Ver 1.5 21 Nov 2005) - 1620000/01582276EUROPEAN PATENT APPLICATIONA320051228EP05006968.120050330enenen200410383920040331JP20051228200552200510052005407 7B 21H 3/02 A 7B 21H 3/06 BdeWalzbackeenRolling diefrMatrice de laminage1Kabushiki Kaisha Sanmei Seisakusho05185290P299593-9-1 Rokkenya-machi Nishi Kasugai-shiAichi 486-0839JPTaniguchi, Naoshige3-12-21 IshiodaiKasugai-shi AichiJPNonaka, Yoshio17-30 Miyamachi YohachiyamaKasugai-shi AichiJPHayashi, Norishige17 Imaiji MiyagauraInuyama AichiJPMasuo, Kazuhiko9-2, 117-703 TakamoridaiKasugai-shi AichiJPViering, Jentschura & Partner00100646Steinsdorfstrasse 680538 MünchenDEATBEBGCHCYCZDEDKEEESFIFRGBGRHUIEISITLILTLUMCNLPLPTROSESISKTRALBAHRLVMKYU20051228200552

A rolling die (2,10) is provided. The rolling die (2,10) includes a bite portion (6,16) having bite processing teeth at a bite starting point for a workpiece, and a finishing portion (7,17) having finishing processing teeth. The bite processing teeth at the starting point in the bite portion (6,16) have lower tooth height than the finishing processing teeth in the finishing portion (7,17). The bite processing teeth have a larger tooth tip angle and a larger trough angle than the finishing processing teeth.