发明名称 UNIVERSAL URETHANE DIE ASSEMBLY AND METHOD OF AND APPARATUS FOR USING SAME
摘要 A universal urethane die assembly for use in blanking, forming, drawing, embossing and the like. The assembly includes a urethane pressure pad which is rectangularly shaped with rounded corners. The retaining ring which surrounds and supports the pressure pad has unique dimensional requirements. Other features of the die assembly include a visual indicator for ascertaining the degree of deflection of the die assembly. Also included is a turret punch press which has a single urethane die assembly in lieu of an upper turret. A punching unit which includes a urethane die assembly in conjunction with a die button for use on presses and press brakes.
申请公布号 US3683735(A) 申请公布日期 1972.08.15
申请号 USD3683735 申请日期 1970.09.21
申请人 HOWARD S. ACHLER;HAROLD KAUFMANN 发明人 HOWARD S. ACHLER;HAROLD KAUFMANN
分类号 B21D22/10;B21D28/18;B21D28/34;(IPC1-7):B26D7/26 主分类号 B21D22/10
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