发明授权
- 专利标题: Roll calender with Nip relieving devices
- 专利标题(中): 辊式压光机采用Nip卸料装置
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申请号: US182086申请日: 1988-04-15
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公开(公告)号: US4823690A公开(公告)日: 1989-04-25
- 发明人: Wolf-Gunter Stotz
- 申请人: Wolf-Gunter Stotz
- 申请人地址: DEX Ravensburg
- 专利权人: Sulzer-Escher Wyss GmbH
- 当前专利权人: Sulzer-Escher Wyss GmbH
- 当前专利权人地址: DEX Ravensburg
- 优先权: DEX3713561 19870423
- 主分类号: D21G1/00
- IPC分类号: D21G1/00 ; B30B3/04
摘要:
Between an uppermost roll and a lowermost roll there are arranged intermediate rolls mounted with their axles in levers. These levers extend across the width of the roll stand of the calender and are vertically pivotably suspended at a pivot at the roll stand. Nip relieving devices act upon these levers and are supported at a support defining a support location at the roll stand. Each pivot is arranged at an associated bearing element which is elevationally adjustable and which is located at the rear side of the roll stand remote from the rolls. If the position of the intermediate rolls change in vertical direction, the related bearing elements are correspondingly individually and vertically displaced, so that the levers are brought into an essentially horizontal position at which the axles of the intermediate rolls and the pivots of the related levers are located in each case in a related horizontal plane. An advantageous construction has the bearing element vertically displaced along a guide by rotating a threaded spindle, to which the bearing element is individually engagable by a coupling device.
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