B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/32 (2006.01) B24D 3/00 (2006.01) B24D 11/00 (2006.01) B24D 18/00 (2006.01)
Patent
CA 2388234
The present invention provides a flexible abrasive article comprising abrasive particles adhered to a foraminous substrate with at least one binder wherein the abrasive article comprises less than 300 ppb of selected extractable cation particles and less than 500 x 106 releaseable particles per square meter. The following method of making of such abrasive article is provided: coating the foraminous substrate (100) with a make coating to form a coated substrate; (20) coating the coated substrate (100) with abrasive particles to form a particle coated substrate; (22) curing the particle coated substrate; coating the cured particle coated substrate with a size coating to form a sized-coated substrate; (28) curing the sized-coated substrate; converting the cured, sized-coated substrate to form a shaped abrasive article; post-cleaning the shaped abrasive article to remove undesired contaminants; and packaging the cleaned shaped abrasive article.
La présente invention concerne un produit abrasif flexible comprenant des particules abrasives adhérant à un substrat foraminé avec au moins un agent de liaison, le produit abrasif comprenant moins de 300 ppM de particules cationiques extractibles sélectionnées et moins de 500 x 10?6¿ particules pouvant être libérées, par mètre carré. Cette invention concerne également un procédé permettant de réaliser des produits abrasifs de ce type, ledit procédé comprenant les étapes suivantes: recouvrement du substrat foraminé (100) avec un encollage pour former un substrat recouvert; (20) recouvrement du substrat (100) recouvert avec des particules abrasives pour former un substrat recouvert de particules; (22) traitement du substrat recouvert de particules; recouvrement du substrat recouvert de particules traité avec un rencollage pour former un substrat recouvert de rencollage; (28) traitement du substrat recouvert de rencollage; transformation du substrat recouvert de rencollage traité pour former un produit abrasif formé; post-nettoyage du produit abrasif formé pour éliminer les impuretés indésirables; et emballage du produit abrasif formé nettoyé.
Beardsley Kris A.
Sanders Rufus C. Jr.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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