Patent · US Expired

Process and apparatus for direct softening heat treatment of rolled wire rods

US4834345A · kind A · utility

2Cited by
12References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 1988
Grant dateMay 30, 1989
Priority date
Expiry dateJun 16, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D9/68
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Direct softening heat treatment of rolled wire rods comprises the steps: PA0 providing wire rods by hot- or warm-rolling, and PA0 immediately following rolling, coiling the rolled wire rods in an annealing furnace. Apparatus therefor comprises an annealing furnace provided with an externally or internally built coiler for rolled wire rods disposed adjacent to a rolling line of said wire rods, the coiler being disposed so as to directly receive the rolled wire rods.

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