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:
Feb. 10, 2004
Filed:
Dec. 08, 2000
Applicant:
Inventors:
Ilkka Rata, Jyväskylä, FI;
Kari Niemi, Tikkakoski, FI;
Heikki Toivanen, Jyväskylä, FI;
Timo Lintula, Keuruu, FI;
Ilkka Eskelinen, Varkaus, FI;
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 2/100 ; B21B 4/502 ; D21G 3/00 ; B31F 1/14 ;
U.S. Cl.
CPC ...
G03G 2/100 ; B21B 4/502 ; D21G 3/00 ; B31F 1/14 ;
Abstract
The invention relates to an apparatus comprising a holder ( ) for a doctor blade and a blade ( ) to be fitted in the holder for use in a paper or board machine. The holder ( ) and/or the blade ( ) comprises a composite material of whose surface or on a part of whose surface a ceramic coating ( ) has been made.