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. 13, 1993
Filed:
Apr. 08, 1991
Applicant:
Inventors:
Chien-Yeh Hsu, Greer, SC (US);
Vaughn M Renwick, Clinton, SC (US);
Assignee:
Wangner Systems Corporation, Greenville, SC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; D21F / ; D21F / ;
U.S. Cl.
CPC ...
428 48 ; 28110 ; 1623582 ; 162900 ; 428 55 ; 428 58 ; 428113 ; 428234 ;
Abstract
A paper machine felt comprising a base fabric of a predetermined width and length, a plurality of fiber batts having a predetermined length and width with fibers forming the fiber batts extending in the width direction, the fiber batts being arranged to extend along their length in juxtaposed manner across the width of the base fabric and to be intertangled therewith by needling so that the fibers extend in the length direction of the base fabric.