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. 22, 1980
Filed:
Dec. 28, 1978
Applicant:
Inventors:
Klaus Schoettle, Heidelberg, DE;
Peter Dobler, Ludwigshafen, DE;
Helmut Lewin, Bobenheim-Roxheim, DE;
Eberhard Koester, Frankenthal, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
15100 ;
Abstract
An apparatus for continuously cleaning the surface of a web of plastics film provided with a magnetic coating, especially the surface of a magnetic tape, the surface to be cleaned being continuously kept in close contact with a tape of nonwoven fabric by virtue of the configuration of the path of travel of the web, wherein the poles of a magnet, which define an air gap, are located in the region of the contact area, behind the tape of nonwoven fabric, on the side facing away from the web.