发明名称 METHOD FOR IRONING RESIN COATED METAL SHEET AND IRONING DIE THEREFOR
摘要 PROBLEM TO BE SOLVED: To produce an ironing can of both side resin coated metal sheet. SOLUTION: This is an ironing tool to work a work in a prescribed outside shape by inserting the cylinder like work, a land part 4 of smaller die angle part than the forth step part is formed on the back step part of a die face 2 made in contact with the front face of a work, the die angleθd of the preceding step part of the die face is made as 3 deg. to 10 deg., the shoulder radius of the boundary of the preceding step and the land is made as 1 to 1000μm.
申请公布号 JPH09285828(A) 申请公布日期 1997.11.04
申请号 JP19960100332 申请日期 1996.04.22
申请人 NIPPON STEEL CORP 发明人 OCHIAI TADAAKI;MIYASAKA AKIHIRO
分类号 B21D22/20;B21D22/28;B21D24/00;B21D51/26;(IPC1-7):B21D24/00 主分类号 B21D22/20
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