Invention Grant
US07934672B2 Refiner blade and segment, as well as a method of forming them and a method of modifying blade grooves
失效
精磨机刀片和片段,以及它们的形成方法和修改刀片槽的方法
- Patent Title: Refiner blade and segment, as well as a method of forming them and a method of modifying blade grooves
- Patent Title (中): 精磨机刀片和片段,以及它们的形成方法和修改刀片槽的方法
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Application No.: US12096320Application Date: 2006-12-04
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Publication No.: US07934672B2Publication Date: 2011-05-03
- Inventor: Håkan Sjöström , Timo Könönen
- Applicant: Håkan Sjöström , Timo Könönen
- Applicant Address: FI Helsinki
- Assignee: Metso Paper, Inc.
- Current Assignee: Metso Paper, Inc.
- Current Assignee Address: FI Helsinki
- Agency: Alston & Bird LLP
- Priority: FI20055648 20051205
- International Application: PCT/FI2006/050536 WO 20061204
- International Announcement: WO2007/065971 WO 20070614
- Main IPC: B02C7/12
- IPC: B02C7/12

Abstract:
A refiner blade comprising a blade surface for defibrating a lignocellulose-containing material, the blade surface comprising blade bars and blade grooves provided therebetween. At least one blade groove provided in the blade surface is formed by removing material from the blade surface by water cutting.
Public/Granted literature
- US20080302897A1 Refiner Blade and Segment, as Well as a Method of Forming Them and a Method of Modifying Blade Grooves Public/Granted day:2008-12-11
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