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, 1976
Filed:
Aug. 23, 1973
Applicant:
Inventor:
Herbert W Keuchel, Tallmadge, OH (US);
Assignee:
PNC Company, Wycoff, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D03D / ; D04H / ; D05C / ;
U.S. Cl.
CPC ...
428 85 ; 156 72 ; 156435 ; 428 92 ; 428 95 ; 428174 ;
Abstract
An oriented thermoplastic sheet is pleated and an adhesive and backing is applied to one face thereof. The other face is then pleat fibrillated to a desired depth. Both faces may have adhesive and backing applied thereto with the structure being centrally cut parallel to the faces. The extending edges of the sheets on the two structures are then fibrillated to a desired depth.