发明授权
- 专利标题： Rolling mill roll and method of rolling
- 专利标题（中）： 轧机轧辊和轧制方法
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申请号： US63999申请日： 1979-08-06
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公开(公告)号： US4311033A公开(公告)日： 1982-01-19
- 发明人: Werner Demny , Hermann Moltner
- 申请人： Werner Demny , Hermann Moltner
- 申请人地址： DEX Dusseldorf
- 专利权人： Kocks Technik GmbH & Co.
- 当前专利权人： Kocks Technik GmbH & Co.
- 当前专利权人地址： DEX Dusseldorf
- 优先权： DEX2844042 19790419
- 主分类号： B21B17/14
- IPC分类号： B21B17/14 ; B21B17/00 ; B21B27/00
摘要：
A rolling mill roll and method of rolling tubes is provided in which the roll has an annular concave working surface in the outer periphery, said surface having a central annular concave portion of a preselected arc and a pair of side edge annular concave portions on each side of said central portion, said side edge portions having an arc of greater radius than the central portion and thus of lesser curvature than the central portion.
公开/授权文献
- USD394866S Waved clutch piston ring 公开/授权日：1998-06-02
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