Axially supported boring tool and method for making same

Details Axially supported boring tool and method for making same Axially supported boring tool and method for making same

1976-09-20

1978-05-23

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool or tool with support

Having axially extending peripheral cutting spur

408214, 408225, 408229, 145116R, B27G 1500

Patent

active

040908070

ABSTRACT:
The invention relates to a bit for boring a hole in wood or the like, the bit having a surrounding skirt to give the bit axial stability during a boring operation, and, a leading spur to produce a circumambient groove prior to and deeper than the cutting blades to prevent material being cut from the bore, from splintering beyond the perimeter of the bore and thus produce a smooth wall surface.

REFERENCES:
patent: 2883888 (1959-04-01), Stewart
patent: 3180379 (1965-03-01), Stewart
patent: 3945753 (1976-03-01), Byers et al.

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