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:
Jul. 09, 1985
Filed:
May. 10, 1983
Applicant:
Inventors:
Eckhard Prinz, Rotenbek, DE;
Bruno Kluss, Hamburg, DE;
Assignee:
Softal Electronic GmbH, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; H01T / ;
U.S. Cl.
CPC ...
4251 / ; 264 22 ; 425 73 ; 425 75 ;
Abstract
The apparatus for the electrical pretreatment of foils to increase the surface tension (surface energy) comprising a roller electrode forming a counter-electrode and over which is passed the foil to be treated, and at least three knife electrodes, which are arranged parallel to one another and at right angles to the direction of movement of the foil. The discharge edges of the knife electrodes have a constant spacing from the roller electrode surface, which leads to a much better treatment result.