Patent · US Expired

Patenting process and apparatus combined with a wire

US4043170A · kind A · utility

25Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1976
Grant dateAug 23, 1977
Priority date
Expiry dateFeb 19, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D8/06
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A patenting process and a hot-forming process take place simultaneously, based on the principle of the direct electrical resistance heating, in an apparatus wherein the steel wire is led onto two discs or drums, provided with peripheral surfaces having different diameters and immersed in the patenting medium and from here the wire is led onto a guide disc or drums, outside the patenting medium.

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