Patent · US Expired

Production of layered engineered abrasive surfaces

US6293980A · kind A · utility

35Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1999
Grant dateSep 25, 2001
Priority date
Expiry dateDec 20, 2019

Classification

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

Abstract

Coated abrasives comprising shaped structures deposited on a backing can be given increased versatility can be made by a process in which the shaped structure is imposed on a structure deposited in layers on the backing before the shaped structures are formed such that different characteristics are revealed as the structure is eroded during use.

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