B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
B23D 61/02 (2006.01)
Patent
CA 2599433
Cutting tools (10, 10') are provided that include a circular core (20) with a cutting means (12, 12') located on its periphery, a central bore (14) to receive an arbor of a rotating power tool and one or more perforations (16, 16') extending through the central core (20). The perforations (16, 16') are disposed along a circumference disposed concentrically with, and between, the central bore (14) and the periphery. The perforations (16, 16') are arranged to form an annular window through the core (20) which corresponds to a predetermined cutting depth during rotational operation of the tool (10, 10').
La présente invention concerne des outils de découpe (10, 10') comprenant un noyau circulaire (20) muni de moyens de coupe (12, 12') situés sur leur périphérie, un alésage central (14) pour recevoir l~arbre d~un outil rotatif et une ou plusieurs perforations (16, 16') s~étendant à travers le noyau central (20). Les perforations (16, 16') sont disposées le long d~une circonférence disposée concentriquement par rapport à, et entre, l~alésage central (14) et la périphérie. Les perforations (16, 16') sont disposées pour former une fenêtre annulaire à travers le noyau (20) correspondant à une profondeur de coupe prédéterminée pendant la rotation de l~outil (10, 10').
Gaida Olivier Phillipe
Pichoff Franck Jacques Dominique
Gowling Lafleur Henderson Llp
Saint-Gobain Abrasives Inc.
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