D - Textiles – Paper – 06 – N
Patent
D - Textiles, Paper
06
N
D06N 7/00 (2006.01) B32B 3/02 (2006.01) B32B 27/08 (2006.01)
Patent
CA 2446247
A floor covering includes a primary backing having yarns tufted through the primary backing forming wear surface portions comprised of the back stitches of the tufted yarns in conjunction with non-tufted areas of the primary backing, also forming exposed wear surfaces. Both exposed wear surfaces portions form an aesthetic design pattern whereby a low, dense broadloom or modular carpet is provided at reduced materials and costs. Preferably, the primary backing is comprised of a woven polypropylene and a secondary backing is provided with the cut or loop yarns on the back side of the primary backing being fixed in place by a resin. A secondary backing formed of a composition of EVA, calcium carbonate and resin, overlaid by a woven scrim, is provided. The secondary backing may be formed of a needle-bonded synthetic fiber. Additionally, the primary backing may be formed of a non-woven material such as nylon and polyester.
L'invention concerne un revêtement de sol comportant un dossier primaire dans lequel sont touffetés des fils dont les mailles envers constituent des surfaces d'usure, le dossier primaire comprenant en outre des zones non touffetées constituant également des surfaces d'usure exposées. Ces deux types de surface d'usure forment un motif de conception esthétique et permettent de fabriquer un tapis modulaire ou un tapis grande largeur fin et dense en employant peu de matière et à un coût réduit. De préférence, le dossier primaire est constitué de polypropylène tissé, un dossier secondaire est prévu, et les fils coupés ou bouclés contenus dans la face arrière du dossier primaire sont fixés à l'aide d'une résine. Un dossier secondaire est formé au moyen d'une composition d'EVA, de carbonate de calcium et de résine, recouverte d'une grille tissée. Ce dossier secondaire peut est constitué d'une fibre synthétique aiguilletée. De plus, le dossier secondaire peut être formé à l'aide d'une matière non tissée telle que du nylon ou du polyester.
Burlington Industries Inc.
Mohawk Brands Inc.
Sim & Mcburney
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