Patent · US Expired

Rolling mill roll and method of rolling

US4311033A · kind A · utility

3Cited by

4References

8Claims

0Family size

Assignee

KOCKS Technik GmbH & Co KG · DE

Inventors

Werner Demny · Düsseldorf, DE
Hermann Moltner · Grevenbroich, DE

Key dates

Filing date	Aug 6, 1979
Grant date	Jan 19, 1982
Priority date	—
Expiry date	Aug 6, 1999

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21B17/14
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A rolling mill roll and method of rolling tubes is provided in which the roll has an annular concave working surface in the outer periphery, said surface having a central annular concave portion of a preselected arc and a pair of side edge annular concave portions on each side of said central portion, said side edge portions having an arc of greater radius than the central portion and thus of lesser curvature than the central portion.

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