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1.发明申请公开(公告)号：US20170225222A1
公开(公告)日：2017-08-10
申请号：US15420370
申请日：2017-01-31
申请人： SMS group GmbH
IPC分类号： B21H1/12
摘要： In a ring-rolling machine having a mandrel roll and a related radial roll, the mandrel roll can be handled in operationally reliable and structurally simple manner if an axial bearing of the mandrel roll is opened by way of an opening drive that does not rotate along with the mandrel roll and/or is closed by inserting the mandrel roll into the axial bearing.
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2.发明申请公开(公告)号：US20190201969A1
公开(公告)日：2019-07-04
申请号：US16297189
申请日：2019-03-08
申请人： SMS group GmbH
摘要： In a ring-rolling machine having a mandrel roll and a related radial roll, the mandrel roll can be handled in operationally reliable and structurally simple manner if an axial bearing of the mandrel roll is opened by way of an opening drive that does not rotate along with the mandrel roll and/or is closed by inserting the mandrel roll into the axial bearing.
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