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.

Date of Patent:
Dec. 24, 1991

Filed:

Feb. 23, 1990
Applicant:
Inventors:

Reinhard Knop, Bochum, DE;

Georg Muller, Neuss, DE;

Herbert Sommer, Dusseldorf, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C / ;
U.S. Cl.
CPC ...
118665 ; 1525651 ; 118101 ; 118122 ; 118126 ; 118261 ;
Abstract

A method and device for coating a web (2) of material, especially a web of paper or cardboard, traveling over a backing roll (1) wherein coating is applied to the web is excess and reduced by a flow-control component (3), especially a doctor, to the desired thickness and wherein the flow-control component is secured to a beam (5) that extends over the operating width. The coating-thickness deviation from a straight line is determined over the operating width and employed as a parameter for controlling the heat emitted by a heater (16), especially heating strips, positioned on the side of the doctor beam facing away from the backing roller.


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