B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/28 (2006.01) B24D 3/00 (2006.01) B24D 3/34 (2006.01) B24D 11/00 (2006.01)
Patent
CA 2201156
A coated abrasive article having a backing and an abrasive layer coated on the first major surface of the backing, wherein a cross section of the abrasive layer normal to the thickness and at a center point of the thickness has a total cross-sectional area of abrasive agglomerates which is substantially the same as that at a point along the thickness which is 75 % of a distance between the center point and the contact side; a coated abrasive article having a bond system with a Knoop hardness number of at least 70; a coated abrasive article comprising abrasive agglomerates in the shape of a truncated four-sided pyramid or a cube; a method of making the coated abrasive article; and a method of abrading a hard workpiece using a coated abrasive article.
Article abrasif revêtu ayant un support et une couche abrasive appliqués sur la première surface principale du support, la section transversale de la couche abrasive normale à l'épaisseur et au point central de l'épaisseur recouvrant une aire transversale totale d'agglomérés abrasifs qui est sensiblement identique à celle que l'on peut mesurer en un point le long de l'épaisseur et se trouvant à 75 % de la distance séparant le point central de la face de contact. L'article abrasif possède un système de liaison ayant un nombre de dureté Knoop d'au moins 70; l'article abrasif comprend des agglomérés abrasifs sous la forme d'un cube ou d'une pyramide tronquée à quatre côtés; procédé de fabrication de l'article abrasif; et procédé d'abrasion d'une pièce à usiner dure à l'aide de l'article abrasif.
Smart & Biggar
The Minnesota Mining & Manufacturing Company
LandOfFree
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