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. 31, 1987
Filed:
Mar. 04, 1985
Applicant:
Inventors:
James B Nichols, LaGrange, GA (US);
William O Burke, III, LaGrange, GA (US);
Assignee:
Milliken Research Corporation, Spartanburg, SC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26D / ; B26F / ;
U.S. Cl.
CPC ...
83114 ; 83344 ; 83347 ; 83660 ;
Abstract
A machine and method to operate the machine to provide a plurality of valve-like perforations in the rubber-like backing of a nap mat or carpet by delivering the nap mat or carpet to and under a spiked roll. The machine includes a plurality of narrow bands located longitudinally of the machine to guide the nap mat or carpet away from the spiked roll after the spikes or pins on the roll have entered the rubber-like backing material to form the valves therein.