发明名称 Chipless cold forming of machine parts with - uninterrupted fibering seize
摘要 A blank consisting of a course of fibres is pressed to a spherical shape with uninterrupted fibering seize which is then deformed to another geometric shape without interrupting the fibering seize. Spec., the sphere is deformed in a die block with an offset die to form a bush, ring etc.
申请公布号 DE1926588(A1) 申请公布日期 1970.11.26
申请号 DE19691926588 申请日期 1969.05.23
申请人 ZIMMERMANN,DR.DR. JOSEF 发明人
分类号 B21J1/00;B21J5/00;B21K1/02;B21K1/04;B27M1/02 主分类号 B21J1/00
代理机构 代理人
主权项
地址