Patent · US Expired

Heating arrangement for revolving bodies whose diameter varies during production thereof by build-up welding

US4353689A · kind A · utility

4Cited by

5References

2Claims

0Family size

Assignee

Thyssen Aktiengesellschaft vorm August Thyssen-Hutte · DE

Inventors

Jose Fernandez · Hamburg, DE
Jurgen Herm · Hamburg, DE
Heinz Krakow · Hamburg, DE
Ernst Wortmann, deceased · Seevetal, DE
Harald Tomsen · Hamburg, DE

Key dates

Filing date	Oct 22, 1980
Grant date	Oct 12, 1982
Priority date	—
Expiry date	Oct 22, 2000

Classification

Technology area (CPC H)Electricity
CPC primaryH05B3/0014
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A heating arrangement is provided for apparatus for producing cylindrical bodies by build-up welding wherein the diameter of the body being produced varies during the build-up welding operation. The heating arrangement is composed of individual heating elements arranged in the region of a sector around the revolving body with the heating elements being controlled both individually and in groups.

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