Patent · US Expired

Grinding disk

US4381188A · kind A · utility

26Cited by

5References

23Claims

0Family size

Assignee

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

Inventors

Walter Waizer · Innsbruck, AT
Harald Helletsberger · Wattens, AT
Christof Kriegshaber · Schwaz, AT
Volker Selgrad · Innsbruck, AT

Key dates

Filing date	Jan 29, 1981
Grant date	Apr 26, 1983
Priority date	—
Expiry date	Jan 29, 2001

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24D3/34
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

An abrasive disk comprising abrasive grains such as corundum, a bonding material, for example a resin, and a filler material. At least part of the filler material is active in the grinding process. Particles of this filler material are provided in the disk in the form of pellets or granules. The pellets and granules preferably consist of more than one substance. One substance forms a matrix and at least one other substance is imbedded in said matrix.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.