发明授权
- 专利标题: Refiner for grinding of fibrous material
- 专利标题(中): 用于研磨纤维材料的磨浆机
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申请号: US693918申请日: 1976-06-08
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公开(公告)号: US4061283A公开(公告)日: 1977-12-06
- 发明人: Albrecht Kahmann
- 申请人: Albrecht Kahmann
- 申请人地址: DT Weingarten
- 专利权人: Escher Wyss GmbH
- 当前专利权人: Escher Wyss GmbH
- 当前专利权人地址: DT Weingarten
- 优先权: CH7533/75 19750611
- 主分类号: B02C7/04
- IPC分类号: B02C7/04 ; B02C7/12
摘要:
The teeth of the stator and rotor of the refiner are each formed with a surface layer on the leading flanks which is harder than the end faces so as to maintain a sharp cutting edge. The hardness of the surface layer is at least 600 HB while the end face is of a hardness of from 280 to 320 HB.
公开/授权文献
- US5182826A Method of blower control 公开/授权日:1993-02-02
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