Process for direct softening heat treatment of rolled wire rods
US4881987A · kind A · utility
3Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1989 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Jan 11, 2009 |
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 of: PA0 providing wire rods by hot- or warm-rolling, and 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.