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:
Apr. 27, 1982
Filed:
Apr. 18, 1980
Applicant:
Inventors:
Arno Wirz, Bammental, DE;
Peter Sobotta, Heidelberg, DE;
Franz Arendt, Walldorf, DE;
Otto K Gramlich, Mannheim, DE;
Assignee:
Heidelberger Druckmaschinen Aktiengesellschaft, Heidelberg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ;
U.S. Cl.
CPC ...
428600 ; 428164 ; 428172 ; 428908 ; 428909 ; 101422 ;
Abstract
A sheet-guiding foil as a sheath for an impression cylinder in rotary offset perfecting presses, one surface of the foil being smooth while the opposite surface thereof is formed with spherical calottes of equal height and of statistically uniform distribution, including a chemically resistant, wear-resistant and rigid backing layer with good ink transfer behavior and a textured surface, and a thin chromium layer applied thereto for evening out microroughness, and the method of production.