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:
Aug. 11, 1992
Filed:
Jun. 26, 1991
Applicant:
Inventor:
Chien-Yeh Hsu, Greer, SC (US);
Assignee:
Wangner Systems Corporation, Greenville, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F / ; D03D / ;
U.S. Cl.
CPC ...
1623582 ; 162900 ; 162902 ; 428229 ; 428234 ; 428287 ;
Abstract
A papermaking fabric for use in a papermaking machine having a base fabric formed of synthetic filament machine direction and cross-machine direction yarns. A fiber batt formed of synthetic fibers secured to at least a support surface of the base fabric. Both the fibers and the filaments are formed of polypropylene terephthalate so that a papermaking press fabric having chemical resistance characteristics of polyester fabrics and physical properties of nylon fabrics is produced.