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:
Mar. 19, 1991
Filed:
Jul. 08, 1985
Applicant:
Inventors:
Bohuslav Tecl, Weinheim, DE;
Jurgen Knoke, Weinheim, DE;
Sepp Wagner, Gorxheimertal-Trosel, DE;
Erich Fahrbach, Weinheim, DE;
Assignee:
Firma Carl Freudenberg, Weinheim/Bergstr., DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41F / ; B41F / ;
U.S. Cl.
CPC ...
101170 ; 101129 ;
Abstract
The present invention discloses a method and apparatus for reinforcing non-woven sheets by printing a cross-linkable binder on one surface by means of a relief or photogravure printing cylinder while simultaneously printing the opposite surface at corresponding positions with a thermally softenable adhesive applied by means of a screen printing cylinder.