Invention Grant
- Patent Title: High-pressure rolling of workpieces
- Patent Title (中): 工作高压滚压
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Application No.: US3643485DApplication Date: 1969-12-15
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Publication No.: US3643485APublication Date: 1972-02-22
- Inventor: MARCOVITCH JACOB
- Applicant: ROTARY PROFILE ANSTALT
- Assignee: Rotary Profile Anstalt
- Current Assignee: Rotary Profile Anstalt
- Priority: ZA6602610 1966-05-05; ZA6604911 1966-08-17
- Main IPC: B21B1/16
- IPC: B21B1/16 ; B21B19/12 ; B21B23/00 ; B21C1/26 ; B21C3/08 ; B21H1/06 ; B21H1/18 ; B21H8/00 ; B21K1/76 ; B23D25/04 ; B21B19/08
Abstract:
A die for drawing tubular workpieces has its orifice defined by a ring of small rollers which are rotatable to work the workpieces around their circumference. Means may be present to straighten the tube and the die may include means to make the wall thickness of the workpiece uniform.
Information query
IPC分类: