Patent · US Active

Abrasive tool having controlled porosity distribution

US8808413B2 · kind B2 · utility

1Cited by

33References

20Claims

0Family size

Assignees

SAINT-GOBAIN ABRASIVES, INC. · US
SAINT-GOBAIN ABRASIFS · FR

Inventors

Emmanuel C. Francois · Taylors, US
Konstantin S. Zuyev · Grafton, US
Muthu Jeevanantham · Worcester, US
Anne M. Bonner · Hudson, US
Michael W. Klett · Holden, US
Dean S. Matsumoto · Worcester, US

Key dates

Filing date	Aug 3, 2010
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Jan 15, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/2139
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (Pl) and small pores having an average small pore size (Ps), wherein Pl>Ps. The body of the abrasive tool further includes a first reinforcing member contained within the abrasive portion, and a percent thermal expansion over a temperature range for 25° C. to 450° C. of not greater than about 0.7%.

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