Grinding wheel containing grain-coated reinforcement fibers and method of making it

US4259089A · kind A · utility

Assignee

• Tyrolit—Schleifmittelwerke Swarovski AG & Co K.G. · AT

Inventors

• Walter Waizer · Innsbruck, AT
• Harald Helletsberger · Wattens, AT

Key dates

• Filing date: Nov 9, 1979
• Grant date: Mar 31, 1981
• Expiry date: Nov 9, 1999

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B24D18/00
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

In a grinding disc reinforcement fibres of high strength are used and such fibres or normal glass fibres are covered with a protective coating including fine grain.