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. 22, 2000
Filed:
Feb. 27, 1997
Applicant:
Inventors:
Jukka Koskinen, Jarvenpaa, FI;
Vilho Nissinen, Numminen, FI;
Assignee:
Valmet Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
427424 ; 118302 ; 118410 ; 118419 ;
Abstract
An apparatus and method for preventing plugging of a narrow, slot-orifice-type jet nozzle 6 used in a paper and board coater in which the jet nozzle extends over the entire cross-machine width of the web being coated. The coater has an application chamber 11, a coating mix infeed channel 5 connected thereto and a clot orifice 6 as well as at least one inlet port 13 for feeding the coating mix into the application chamber 11. An easily cleanable strainer element 12 is placed close to the applicator apparatus to separate aggregates of the coating mix that otherwise could plug the slot orifice 6.