发明授权
- 专利标题: Cold pilgrim rolling
- 专利标题(中): 冷轧卷
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申请号: US173983申请日: 1988-03-28
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公开(公告)号: US5125253A公开(公告)日: 1992-06-30
- 发明人: Josef Gerretz , Horst Stinnertz
- 申请人: Josef Gerretz , Horst Stinnertz
- 申请人地址: DEX
- 专利权人: Mannesmann AG
- 当前专利权人: Mannesmann AG
- 当前专利权人地址: DEX
- 优先权: DEX3709935 19870326; DEX3717165 19870519
- 主分类号: B21B21/00
- IPC分类号: B21B21/00 ; B21B21/06
摘要:
A method of making tubing includes cold pilgrim step rolling wherein particularly a frame moves back and fourth carrying tapering rolls which roll in alternating directions upon the stock to be rolled whereby in addition a cylindrical mandrel is provided as well as turning and advancing facilities for the tube or pipe to be made and with further utilization of a rotatably driven clamping and holding device downstream for extracting the tubes or pipes being made.
公开/授权文献
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