B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 11/02 (2006.01)
Patent
CA 2201741
Abrasive articles (10) and methods for their manufacture are described. The articles (10) are screen abrasive articles including a durable backing (12) member having a patterned array of portions thereon arranged around a plurality of openings (30) extending through the backing with the openings (30) comprising between about 20 % and about 80 % of the total area of the backing. A coating of abrasive material is adhesively affixed to the array of portions on the backing (12), forming abrasive surfaces arranged around the openings (30) to cooperatively function as a single abrasive surface while the openings (30) allow debris to pass through the article during abrasive applications. In at least one aspect of the invention, the portions of the backing (12) include a plurality of first surface portions and a plurality of second surface portions having surface areas greater than the surface areas of the first portions.
L'invention concerne des articles abrasifs (10) et des procédés pour leur fabrication. Ces articles (10) sont des articles abrasifs de tamisage comportant un support résistant (12) présentant une configuration texturée de parties disposées autour d'une pluralité d'ouvertures (30) traversant le support, ces ouvertures (30) constituant entre environ 20 % et environ 80 % de la surface totale du support. Un revêtement en matériau abrasif est collé sur la configuration de parties disposées sur le support (12), formant ainsi des surfaces abrasives situées autour des ouvertures (30) pour coopérer et faire office de surface abrasive unique tandis que les ouvertures (30) permettent le passage de débris à travers l'article dans le cadre d'applications abrasives. Dans au moins un aspect de l'invention, les parties du support (12) comportent une pluralité de premières parties superficielles et une pluralité de deuxièmes parties superficielles présentant des surfaces supérieures aux surfaces des premières parties.
Minnesota Mining And Manufacturing Company
Smart & Biggar
The Minnesota Mining & Manufacturing Company
LandOfFree
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