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:
Jun. 02, 1992
Filed:
Dec. 11, 1989
Rhone Poulenc Fibres, Lyons, FR;
Abstract
The present invention relates to a substrate based on nonwoven sheet for a flat article. The substrate 11, with good dimensional stability in all the conditions of production, of subsequent treatments and of use, comprising at least one nonwoven sheet 8 based on chemical textile material in the form of continuous fibres or filaments is characterized in that the said sheet comprises high-modulus reinforcing threads 3 arranged parallel to each other in its lengthwise direction. Glass threads are preferably employed as reinforcing threads. The reinforcing threads are combined with the nonwoven sheet by chemical bonding or heat-bonding and/or needling. Use of the support as a sealing membrane reinforcement, primary or secondary substrate for tuft carpeting, reinforcement for floor covering tiling, substrate for laying, substrate for flock, and the like.