The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 18, 2002
Filed:
Jun. 19, 1997
Applicant:
Inventor:
Rolf van Haag, Kerken, DE;
Assignee:
Voith Sulzer Finishing GmbH, Krefeld, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 5/02 ;
U.S. Cl.
CPC ...
F28F 5/02 ;
Abstract
Soft roll that may include a roll tube having an outside surface and a sealed interior space, and an elastic coating provided on the outside surface. The sealed interior space may include a vaporizable liquid and a heat exchanger for cooling heat generated in the roll during use. The sealed interior space may be gas-tight and the temperature of the heat exchanger may be set to condense vaporized liquid.