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:
Aug. 07, 1990
Filed:
Jul. 06, 1987
Applicant:
Inventors:
Klaus Kalwar, 4803 Steinhagen, DE;
Horst Berger, Bielefeld, DE;
Otto Berger, Halle, DE;
Fritz Gumpert, Steinhagen, DE;
Assignee:
Klaus Kalwar, Steinhagen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
204164 ; 204176 ; 427 39 ;
Abstract
A corona treatment of web-shaped materials or shaped bodies is performed by at least one corona electrode which has an operating region, wherein a gas and/or waste heat produced during the corona treatment is aspirated and at least partially returned to the operating region of the corona electrode. 2