Patent · US Expired

Method and apparatus for reducing wrinkles on a strip in a rapid cooling zone of a heat treatment line

US6464808B2 · kind B2 · utility

8Cited by
1References
17Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 12, 2001
Grant dateOct 15, 2002
Priority date
Expiry dateFeb 12, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D1/613
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method is disclosed for reducing the formation of wrinkles on metal strip subject to cooling in continuous heat treatment lines in which the strip passes through cooling zones through which cooling gas flows. The method includes the step of gradually modifying the cooling intensity at each change in the slope of the cooling cycle.

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