Patent · US Expired

Grinding wheel for grinding edges of eye glasses

US5645476A · kind A · utility

4Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 6, 1994
Grant dateJul 8, 1997
Priority date
Expiry dateJun 6, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24D5/00
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The invention relates to an improved grinding wheel for grinding eye glass edges. The grinding wheel comprises a base member and an abrasive coating of diamond and metal. The base member 3 consists substantially of plastic material and an annular member 2 of metallic material is provided between the base member 3 and the coating 1. The metallic material of the annular member 2 has a strength withstanding the forces occuring in sintering the coating to the annular member.

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