B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 11/00 (2006.01) B24D 3/00 (2006.01) B24D 3/28 (2006.01)
Patent
CA 2494514
The invention provides a method and apparatus for making an abrasive product comprising providing a substantially horizontally deployed flexible backing (10) having a first surface (12) bearing an at least partially cured primer coating and an opposite second surface (13); providing a dry flowable particle mixture (24) comprising abrasive particles and particulate curable binder material; depositing a plurality of temporary shaped structures (27) comprised of said particle mixture (24) on the at least partially cured primer coating of the first surface (12) of the backing (10); softening said particulate curable binder material to provide adhesion between adjacent abrasive particles; and curing the softened particulate curable binder material to convert said temporary shaped structures (27) into permanent shaped structures and cure the at least partially cured primer coating on the first surface (12) of the backing (10). The invention also provides an abrasive product made by the method.
L'invention concerne un procédé et un appareil permettant de fabriquer un produit abrasif. Ledit procédé consiste à fournir un support flexible déployé sensiblement horizontalement (10) muni d'une première surface portant un revêtement primaire partiellement durci et d'une seconde surface opposée (13), à fournir un mélange particulaire liquide sec (24) contenant des particules abrasives et une matière liante durcissable particulaire, à former par dépôt une pluralité de structures formées temporaires (27) composées dudit mélange particulaire (24) sur le revêtement primaire au moins partiellement durci de la première surface (12) du support (10), à adoucir ladite matière liante durcissable particulaire pour produire une adhésion entre des particules abrasives adjacentes, et à durcir ladite matière liante durcissable particulaire adoucie pour convertir lesdites structures formées temporaires (27) en structures formées permanentes et à durcir ledit revêtement primaire partiellement durci sur la première surface (12) du support (10). Cette invention a également trait à un produit abrasif élaboré au moyen dudit procédé.
Chesley Jason A.
Moren Louis S.
Welygan Dennis G.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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