Abrasive article with universal dust extraction hole pattern

B - Operations – Transporting – 24 – D

Patent

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Details

B24D 7/02 (2006.01) B24B 55/10 (2006.01)

Patent

CA 2454436

A universal abrasive article (100) adapted to mount on a mounting surface of a sanding machine having a plurality of dust extraction holes that define an open area. The abrasive article includes a plurality of discrete apertures (110) that are sized and positioned so as to expose a majority of the open area of the dust extraction holes (130, 135) independent of the angular orientation of the abrasive article when the abrasive article is in registration with the mounting surface. The discrete apertures may include elongated, arcuate slots that may be symmetrically positioned about a center point of the abrasive article. In one embodiment, the discrete apertures may include seven arcuate slots (210). These embodiments also include sufficient abrasive material to provide adequate sanding cut rate and structural integrity during use and removal.

Article abrasif universel (100) conçu pour être placé sur une surface de montage de machine à sabler possédant une pluralité d'orifices d'extraction de poussière définissant une zone ouverte. Cet article abrasif comprend une pluralité d'ouvertures discrètes (110) dimensionnées et positionnées de façon à découvrir la majeure partie de la zone ouverte des orifices d'extraction de poussière (130, 135) indépendamment de l'orientation angulaire de cet article abrasif quand celui-ci est aligné sur la surface de montage. Ces ouvertures discrètes peuvent consister en des fentes incurvées et allongées pouvant être placées de façon symétrique autour d'un point médian de l'article abrasif. Dans un mode de réalisation, ces ouvertures discrètes peuvent consister en sept fentes incurvées (210). Dans ces modes de réalisation, suffisamment de matière abrasive est présente pour produire un débit de sablage adéquat et assurer une intégrité structurelle pendant l'utilisation et la suppression.

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