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:
Dec. 15, 1992
Filed:
Nov. 19, 1990
Applicant:
Inventors:
Pekka Harinen, Jyvaskyla, FI;
Kari Rajala, Niemisjarvi, FI;
Assignee:
Valmet Paper Machinery Inc., , FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
5124 / ; 5124 / ;
Abstract
A method for reconditioning of the sealing face (11) at the opening of the manhole (10) of a drying cylinder (K) of a paper machine when the cylinder (K) is in its operating position in the paper machine. In the method a separate frame part (13) is attached to the cylinder end. The frame part (13) comprises guides (15a, 15b), along which a machining unit (16) is displaced which is fitted to machine the sealing faces. Also disclosed is a device for use in the method.