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:
Nov. 23, 2004
Filed:
Jan. 22, 2002
Juha Isometsä, Jyväskylä, FI;
Erkki Leinonen, Järvenpää, FI;
Mika Viljanmaa, Espoo, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
The object of the invention is a thermoroll for a paper/board machine or a finishing machine, the said thermoroll comprising a shell ( ) of metallic, ceramic or composite material, the shell incorporating ducts ( ) for passing a heating medium from one axial end of the shell to its opposite end. The shell is made by means of casting or powder metallurgical methods, and the ducts ( ) are formed in the matrix material of the shell which is of metal and/or ceramic, directly in connection with manufacture. A further object of the invention is a method for manufacturing a thermoroll.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile