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. 03, 1982
Filed:
Mar. 14, 1978
Applicant:
Inventor:
Wayne K Erickson, Seneca, SC (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ;
U.S. Cl.
CPC ...
428296 ; 428288 ; 264 25 ; 264126 ; 264113 ;
Abstract
A fused nonwoven fabric of thermoplastic fibers having a first surface and a second surface opposite the first surface is produced by exposing at least one of the first and second surfaces of the fabric to infrared radiation and contacting at least one of the first and second surfaces of the fabric with at least one heated roll having a temperature sufficient to fuse together the fibers of the surface in contact with the heated roll.