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:
Dec. 29, 1992
Filed:
May. 01, 1990
Applicant:
Inventors:
Assignee:
Thomas Josef Heimbach GmbH & Co., Duren, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 57 ; 428222 ; 428223 ; 428224 ; 162901 ; 1393 / ; 1393 / ;
Abstract
The present invention provides a belt for papermaking machines, said belt comprising a flexible belt layer impermeable to liquids and is smooth on its backside while its front side integrates, but only partly, a support-track having cavities and it contains longitudinal threads extending in the direction of advance and located between the support track and the backside of the belt.