Patent · US Expired

Coated asbestos insulation transformer wires

US4341923A · kind A · utility

3Cited by
5References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 14, 1980
Grant dateJul 27, 1982
Priority date
Expiry dateOct 14, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B7/02
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrically insulating coating for transformer wire consists of an asbestos paper coated with a plurality of strips of resin material. The resin material provides strength and toughness to the asbestos as well as abrasion resistance to the coated wire to protect the asbestos material during the coil winding process.

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