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:
May. 12, 1992
Filed:
Jul. 26, 1991
Applicant:
Inventor:
Ari Telama, Jyvaskyla, FI;
Assignee:
Valmet Paper Machinery Inc., , FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ; B60B / ; B60B / ;
U.S. Cl.
CPC ...
29132 ; 2989532 ;
Abstract
A roll for use in paper making has a surface comprising a porous material in which the press have been sealed by an electrolyte to achieve optimal paper web dewatering capacity, lessen adherence of a paper web to the roll surface, and to improve the corrosion resistance and mechanical strength of the roll coating. A method for making the roll by electrochemical deposition of the electrolyte in the pores of the roll surface is also disclosed.