Title:
MANUFACTURE OF BALL PIN
Document Type and Number:
Japanese Patent JPS59166339
Kind Code:
A
Abstract:
A substantially cylindrical blank having a solid section is used for manufacturing a ball stud, as is used for steering linkages in motor vehicles. A ball (6') is integrally formed on this blank by means of a preferably multi-stage extrusion process, in a press (1') with a pressure plunger (4'). In the final stage of the extrusion process a closed press (1') is used and the ball (6') obtained in this manner is brought to its rated size by means of round forging (Fig. 4).
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Inventors:
KARURU METSUTORAA
Application Number:
JP3845584A
Publication Date:
September 19, 1984
Filing Date:
February 28, 1984
Export Citation:
Assignee:
SHIYUPERUBUI ETS
International Classes:
B21K1/44; B21K1/46; B21J5/06; (IPC1-7): B21J5/06; B21K1/46
Attorney, Agent or Firm:
Hideo Kodama (3 others)