Patent · US Expired

Method for making multi-element brushes

US4261099A · kind A · utility

3Cited by
9References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 27, 1979
Grant dateApr 14, 1981
Priority date
Expiry dateJul 27, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49201
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method of making electrical brushes from thousands of hair-like fibers comprises wetting the fibers to hold them together in a bundle, placing the bundle in a tube and reducing the opening in the tube to hold the fibers therein.

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