Drilling tool and apparatus with improved swarf removal

Details Drilling tool and apparatus with improved swarf removal Drilling tool and apparatus with improved swarf removal

1991-10-22

1992-12-29

Howell, Daniel W.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

408 59, B23B 5106

Patent

active

051746921

ABSTRACT:
A drilling tool, such as, a drill bit or a reamer, including at least two helical flutes about the axis of said tool. The tool is remarkable in that it includes an axial channel opening out at a fixed end of the tool designed to be received in rotary drive means therefor, and a plurality of ducts connecting the axial channel to the bottom of each flute. Each duct opens out into the corresponding flute via an orifice and is inclined towards the free end of the tool, opposite to the fixed end thereof.

REFERENCES:
patent: 2237901 (1941-04-01), Chun
patent: 2912887 (1959-11-01), Andreasson
patent: 3359837 (1967-12-01), Andreasson
patent: 3460410 (1969-08-01), Briles
patent: 3591302 (1971-07-01), Andreasson
patent: 4320999 (1982-03-01), Briese

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