发明名称 METHOD FOR WORKING METAL AND WORK FORMED PRODUCT
摘要 PROBLEM TO BE SOLVED: To provide a metal work formed product having projecting part avoided to form shrinkage defect and recessed part on the back side of the projecting part and desirably, with one time of forging process. SOLUTION: This method for working the metal is provided with the forging process for forming a first projecting part by pressing a blank shaping material and simultaneously, forming a second projecting part on the back side of the first projecting part, and a cutting process for removing the second projecting part. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004351485(A) 申请公布日期 2004.12.16
申请号 JP20030153196 申请日期 2003.05.29
申请人 MATSUSHITA ELECTRIC IND CO LTD;AZUMA KENJI 发明人 YAMAZAKI KOICHI;TAKARA AKIRA;NISHIKAWA YUKIO;AZUMA KENJI
分类号 B21J5/02;B21J5/00;(IPC1-7):B21J5/02 主分类号 B21J5/02
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