Axially supported boring tool

Details Axially supported boring tool Axially supported boring tool

1977-06-27

1979-01-16

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Tool or tool with support

Having axially extending peripheral cutting spur

145116R, B23B 5100

Patent

active

041347064

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.
Provision is made for assuring cooler operation, particularly at the higher speeds of operation.

REFERENCES:
patent: 1140988 (1915-05-01), Kunitz
patent: 3945753 (1976-03-01), Byers et al.

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