Abrasive article, method of making same, and abrading apparatus

Details Abrasive article, method of making same, and abrading apparatus Abrasive article, method of making same, and abrading apparatus

B - Operations, Transporting

24

D

B24D 11/02 (2006.01) B24D 3/00 (2006.01) B24D 3/28 (2006.01) B24D 11/00 (2006.01)

Patent

CA 2368166

The invention provides a substantially flat coated abrasive article (10) having a fabric reinforced backing (11) which may include engaging elements such as hooks (19) for releasable attachment to the surface of an abrading apparatus and a method of making the article (10). The invention also provides an abrading apparatus which includes a back- up pad having releasably attached thereto the abrasive article. The article comprises a substantially flat sheet-like substrate (11a) comprised of thermoplastic material and a porous fibrous reinforcing element (14) contained within the substrate (11a) and an abrasive layer (15) disposed on a surface of the substrate. The opposite surface of the substrate may include the engaging elements (19). The article (10) is made by deploying the fabric (14) on a surface, depositing molten thermoplastic polymer over the fabric, removing the substrate (11) from the surface and applying the abrasive layer (15) to one surface of the substrate.

Cette invention concerne un article à revêtement abrasif sensiblement plat (10) comportant un dos (11) renforcé de tissu avec éventuellement des éléments d'engagement tels que des crochets pour sa fixation amovible sur un appareil à roder, ainsi qu'un procédé de fabrication dudit article. L'invention concerne également un appareil à roder comprenant un patin d'appui sur lequel l'article abrasif vient se fixer de façon amovible. L'article comprend un substrat de type feuille sensiblement plat (11a) constitué par un matériau thermoplastique et par un élément de renfort fibreux et poreux (14) noyé dans le substrat (11a) et une couche abrasive (15) disposée sur le substrat. Sur la surface opposée du substrat peuvent se trouver des éléments d'engagement (19). Le procédé de fabrication de l'article (10) consiste à déployer le tissu (14) sur une surface, à déposer un polymère thermoplastique en fusion sur le tissu, à retire le substrat (11) de la surface et à appliquer la couche abrasive (15) sur une surface du substrat.

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