Patent · US Expired

Polishing apparatus

US4974368A · kind A · utility

24Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 1988
Grant dateDec 4, 1990
Priority date
Expiry dateMar 16, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B13/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

There is disclosed a polishing apparatus utilizing a gel material as the polishing tool, in which the gel material is rotated in the vicinity of a surface to be polished, or is given rotating and rocking motions in direct contact with the surface to be polished.

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