Flooring hollow back relief cutting tool and method

Details Flooring hollow back relief cutting tool and method Flooring hollow back relief cutting tool and method

B - Operations, Transporting

27

G

B27G 13/10 (2006.01) B27G 13/14 (2006.01) B27M 3/04 (2006.01) B23D 61/06 (2006.01)

Patent

CA 2535048

An indexable cutting insert, a tool using a plurality of such inserts, and a method of forming flat bottomed grooves in the backs of flooring planks. The tool is arranged to accept indexable inserts, and the indexable inserts are specially arranged such that each insert has four sets of cutting faces for forming a flat bottom groove with 45 degrees groove side walls. The insert is provided with a conical dished face on its unsupported side, and a mating conical faced nut is positioned in the dished face and receives a threaded fastener, preferably a cap screw, which projects through the tool body, through the insert aperture and into the nut to accurately lock the insert in indexed position in such a way that the head of the cap screw is substantially free of impacted cutting debris.

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