Patent · US Expired

Method of producing a plate of steel

US4493452A · kind A · utility

3Cited by

6References

9Claims

0Family size

Assignee

Voest-Alpine · AT

Inventors

Thorwald Fastner · Linz, AT
Max Mayrhofer · Linz, AT
Walter Taschner · Linz, AT

Key dates

Filing date	Nov 25, 1981
Grant date	Jan 15, 1985
Priority date	—
Expiry date	Nov 25, 2001

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21B1/38
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

In a method of producing heavy plate of steel, a prematerial is hot-rolled in several passes. As the prematerial at least two slabs of the same steel quality are superposed so as to form a pack and are welded by roll-bonding and reduced in thickness.

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