Cutting insert for a drill, and boring tool using this insert
OwnerPierre Rigolet, Andre Vaivre +3inventors
InventorsPierre Rigolet, Andre Vaivre, Marc Badey, Dominique Maurice, Sylvain Lamy
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Abstract
This cutting insert, designed to be inserted into the cutting head of a drill or other similar rotary boring tool, has an arced overall shape, with a concave flank and a convex flank. These flanks are connected by a base face, by two straight end edges one of which is able to act as a guide for the drill and, at the opposite end to the base face, by at least one cutting part, with at least one cutting edge and/or at least one tip. Also described is a boring tool, the cutting head of which comprises such arced inserts, arranged laterally, and associated with a central insert.
Claims19
A cutting insert for a drill, or other similar rotary boring tool, the insert being designed to be inserted into the cutting head of the boring tool, and which has an arced overall shape, with a concave flank and a convex flank that are connected by a base face, by two straight end edges, at least one of which is able to guide the drill or other boring tool and, at the opposite end to the base face, by at least one cutting part, with at least one cutting edge and/or at least one tip.
Dependencies are inferred from the claim text.