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:
Sep. 27, 1983
Filed:
Nov. 06, 1981
Applicant:
Inventors:
Kenneth Y Wang, Greensboro, NC (US);
Berlie R Hill, Cana, VA (US);
Assignee:
Burlington Industries, Inc., Greensboro, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B32B / ;
U.S. Cl.
CPC ...
156 732 ; 156181 ; 156296 ; 156553 ; 1565801 ; 1565802 ; 156582 ; 264 23 ; 4251742 ; 428296 ;
Abstract
An ultrasonically bonded non-woven web is produced having no unacceptable fuzziness. An ultrasonic horn and an anvil roller are mounted for cooperation with each other to effect ultrasonic welding of a single batt of random, loose ultrasonically fusible fibers passed between them in a dry condition. The anvil roller comprises metal projections disposed in a pattern defining the roller circumferential surface, and ultrasonically insulating material--such as rubber--fills the volume between the metal projections.