Floor mat, system and method

D - Textiles – Paper – 06 – N

Patent

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Details

D06N 7/00 (2006.01) B29D 99/00 (2010.01) A47L 23/26 (2006.01) D06B 11/00 (2006.01)

Patent

CA 2416593

A floor mat, system and method, wherein one embodiment of the mat comprises a nonwoven substrate through which carpet pile fibers are tufted and which also comprises either a foam rubber backing sheet which exhibits the same degree of shrinkage as the carpet pile component or a rubber backing sheet which possesses a strength modulus above about 1,000 pounds per square inch. With such backing sheet requirements either the overall shrinkage of the mat will be even or the backing sheet will be strong enough to compensate for varying degrees of shrinkage between the pile substrate and the backing sheet. The resultant floor mat meets industrial laundry standards of rippling (i.e., curling up) and delaminating (i.e., loosening and ultimate falling out of tufted pile fibers), preferably utilizes a nonwoven carpet pile substrate, and is able to withstand vigorous laundry processes without either damaging the subject rotary washer or centrifugal dryer or becoming damaged itself upon exposure to such harsh conditions.

L'invention concerne un tapis de sol, un système et un procédé associés. Dans un mode de réalisation, l'invention concerne un substrat en non tissé à travers lequel les fibres sont touffetées, ainsi qu'un support en caoutchouc mousse qui présente le même degré de retrait que le composant de touffetage ou un support en caoutchouc qui présente un module de résistance supérieur à environ 1 000 livres par pouce carré. Avec de telles exigences en matière de support, le retrait global du tapis sera régulier ou le support sera suffisamment résistant pour compenser divers niveaux de retrait entre le substrat de touffes et le support. Le tapis de sol qui en résulte satisfait aux normes de blanchisserie industrielle concernant l'ondulation (c'est-à-dire le redressement des bords), et le délaminage (c'est-à-dire l'avachissement puis la chute des fibres touffetées), et utilise un substrat de touffes en non tissé, tout en étant capable de résister au traitement vigoureux de blanchisserie, sans pour autant constituer une menace pour les laveuses à tambour ou les sécheuses centrifuges, ou se dégrader du fait de l'exposition à des conditions aussi sévères.

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