Invention Grant
- Patent Title: Blade made of steel alloy
- Patent Title (中): 钢合金刀片
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Application No.: US12921542Application Date: 2009-03-19
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Publication No.: US08398009B2Publication Date: 2013-03-19
- Inventor: Karri Vihma , Johan Norberg
- Applicant: Karri Vihma , Johan Norberg
- Applicant Address: FI Helsinki
- Assignee: Metso Paper, Inc.
- Current Assignee: Metso Paper, Inc.
- Current Assignee Address: FI Helsinki
- Agency: Stiennon & Stiennon
- Priority: FI20085236 20080319
- International Application: PCT/FI2009/050211 WO 20090319
- International Announcement: WO2009/115647 WO 20090924
- Main IPC: B02C7/11
- IPC: B02C7/11
Abstract:
A refiner or disperser blade is made of a steel alloy by casting. The alloy comprises, in weight percent: 0.6 to 4 wt-% carbon (C), 0.5 to 1.5 wt-% silicon (Si), 0.4 to 1.5 wt-% manganese (Mn), 12 to 28 wt-% chromium (Cr), 4 to 12 wt-% niobium (Nb), as well as iron (Fe).
Public/Granted literature
- US20110024540A1 Blade Made of Steel Alloy Public/Granted day:2011-02-03
Information query
