发明名称 WIRE WORKING TOOL AND DEVICE FOR MANUFACTURING COIL SPRING
摘要 PROBLEM TO BE SOLVED: To provide a wire working tool the cost of which is comparatively low and whose wear resistance on the slidably contacting surface with the wire is comparatively high.SOLUTION: The wire working tool for deforming the wire by bringing into slidable contact with the wire includes fundament parts 15A, 16A and slidably contacting parts 15B, 16B which are provided with slidably contacted surface which is brought into slidable contact with the wire, and the slidably contacting parts 15B, 16B have higher wear resistance as compared with the fundament parts 15A, 16A and the fundament parts 15A, 16A have higher flexural strength as compared with the slidably contacting parts 15B, 16B.
申请公布号 JP2011005541(A) 申请公布日期 2011.01.13
申请号 JP20090154151 申请日期 2009.06.29
申请人 KYOCERA CORP 发明人 SHIGEYOSHI HIDEKAZU
分类号 B21F1/00;B21F35/00 主分类号 B21F1/00
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