发明授权
- 专利标题: Method for manufacturing a thermoroll for a paper/board machine or a finishing machine
- 专利标题(中): 制造纸/纸机或精整机的热辊的方法
-
申请号: US10379085申请日: 2003-03-04
-
公开(公告)号: US06708407B2公开(公告)日: 2004-03-23
- 发明人: Erkki Leinonen , Mika Viljanmaa
- 申请人: Erkki Leinonen , Mika Viljanmaa
- 优先权: FI990691 19090329
- 主分类号: B23P1500
- IPC分类号: B23P1500
摘要:
A thermoroll for a paper/board machine or a finishing machine, the thermoroll having a shell of metallic, ceramic or composite material, and the shell having ducts for passing a heating medium from one axial end of the thermoroll to the other axial end of the thermoroll. The shell is made by casting or by powder metallurgical methods, and the ducts are formed in the matrix material of the shell which is metal and/or ceramic.
公开/授权文献
信息查询