Patent ID: 6720058
Filing Date: 2004-04-13
Classification: B29C,B29K,B32B,B60N,D02G,D04H,D06N,Y10T

Abstract:
An automotive pile article arranged as a preform for a pile surface mat, comprising:an elongated support strand having a thermoplastic outer surface and having a width and a height, said strand comprises a core of continuous glass filaments and at least one multifilament staple yarn wrapped at least partially around said core; a plurality of thermoplastic bulkable continuous filaments bonded to one circumferential region of the strand surface and along the length of said strand, said region defining a strand base, the filaments forming an elongated loosely entangled array of filaments extending outwardly from the strand in two spaced apart pile rows connected by a base region having a dense portion of filaments bonded together, the dense portion of the filaments being secured to said surface of the support strand at said base, the filaments in each row having a pile length measured from the strand of between 2.5 millimeters (0.1 inches) and 12.7 millimeters (0.5 inches); said circumferential region along the length of said strand defining a base plane for said elongated pile article, and the pile filaments along a lower side for each row adjacent the base plane defining a lower filament plane for each row that is at an angular orientation within 10 degrees to said base plane, the angle having an origin in the base plane aligned with the width of the strand, and the filaments at the opposed upper side of each row defining an upper filament plane for each row that is at an angular orientation to said base plane of 45-90 degrees, to thereby contain the entangled array of filaments in said spaced apart rows such that said strand is accessible; the pile article having a guide groove on one side of the strand and on an opposed side of the strand between the strand and the corresponding pile row thereby providing an elongated guide ridge formed by the strand which is accessible between said spaced apart rows, said pile article arranged in closely spaced rows of 6-10 pile articles per inch, and attached directly to a tacky uncured rubber sheet having a thickness of 0.8-5.0 mm (30-200 mils), where the base region of said pile articles is embedded into the rubber sheet to a depth of 0.13-0.64 mm (5-25 mils).