ABRASIVE ARTICLE, METHOD OF MAKING SAME, AND ABRADING APPARATUS

An abrasive sheet article is disclosed, including a substrate having first and second major surfaces, a coated abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The coated abrasive may comprise a plurality of precisely shaped composites comprising a p...

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Bibliographische Detailangaben
Hauptverfasser:	BARRY, JOHN L, MELBYE, WILLIAM L, RUDE, HAROLD E, BELL, DONALD R, STEPHENS, ALAN N, SHEFFIELD, WILLIAM F, CHESLEY, JASON A, SLAMA, DAVID F
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE GRINDING HABERDASHERY HUMAN NECESSITIES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES JEWELLERY PERFORMING OPERATIONS POLISHING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An abrasive sheet article is disclosed, including a substrate having first and second major surfaces, a coated abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The coated abrasive may comprise a plurality of precisely shaped composites comprising a plurality of abrasive grains dispersed in a binder. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix th e abrasive sheet member to the surface. A method for making such abrasive arti cles is also disclosed, including several illustrative v ariations of the inventive method. Also disclosed is a back-up pad for supporting such an abrasive article during abrading. The back-up pad includes a support portion, such as a polymeric backing, and an engaging por tion, such as a loop material, for engaging hooking stem s projecting from file abrasive article.