B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/28 (2006.01) B24D 3/28 (2006.01) B24D 11/00 (2006.01) B24D 11/02 (2006.01) B32B 27/12 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2208086
Conformable surface finishing articles and a method for the manufacutre of such articles are provided. The articles comprise a nonwoven three-dimensional lofty web of fibers (12), a stretch resistant porous reinforcing fabric (14) having first and second major surfaces with the first major surface disposed along a major surface of the web (12) and a layer (16) comprising a polymer coated over the coextensive with the second major surface of the reinforcing fabric and having a flexible low friction exposed surface (17a) and portions (17b) extending through the reinforcing fabric encapsulating fibers along the major surface of the web. The method comprises positioning a stretch resistant porous reinforcing fabric (14) adjacent a major surface (12a) of a nonwoven three-dimensional lofty web of fibers (12) applying a coatable composition (16) so that a portion (17b) of the composition extends through the fabric to contact and encapsulate fibers along the major surface (12a) of the web (12) while also forming a substantially smooth exposed surface coated over and coextensive with the fabric, and hardening the composition.
L'invention concerne des articles conformables de finissage de surfaces et leur procédé de fabrication. Les articles comprennent une bande tridimensionnelle non tissée, élastique et poreuse en fibres (12), un tissu de renforcement (14) poreux résistant à l'étirement et présentant des première et deuxième surfaces principales, la première surface principale recouvrant la plus grande partie de la surface de la bande (12), et une couche (16) de polymère qui recouvre toute la deuxième surface principale du tissu de renforcement. La surface exposée (17a) de la couche (16) est souple et a un faible coefficient de friction. Des parties (17b) de la couche (16) traversent le tissu de renforcement et renferment ses fibres le long de la surface principale de la bande. Selon le procédé de fabrication de ces articles, un tissu de renforcement (14) poreux résistant à l'étirement est placé sur une surface principale (12a) d'une bande tridimensionnelle non tissée, élastique et poreuse en fibres (12), un composition de revêtement (16) est appliquée de sorte qu'une partie (17b) de la composition traverse le tissu, vienne en contact avec les fibres et les encapsule le long de la surface principale (12a) de la bande (12), formant également une surface extérieure sensiblement lisse qui recouvre tout le tissu. On laisse ensuite durcir.
Donovan Mary Beth
Pleggenkuhle Timothy J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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