Drill bit

Details Drill bit Drill bit

1980-09-30

1983-02-15

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

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

Including tool with duct

408205, 408223, 408233, B23B 5100, B23B 5102, B23B 5106

Patent

active

043738397

ABSTRACT:
A drill bit comprises a body having a shank portion and an end face at its forward end. The drill bit body has at the forward end a cutting means having at least one cutting edge provided on the end face. The cutting edge is spaced from the axis of rotation of the body. The body has a rake surface which terminates in the cutting edge and extends along the axis of rotation.

REFERENCES:
patent: 305625 (1884-09-01), Newey, Jr.
patent: 516277 (1894-03-01), Parks
patent: 796321 (1905-08-01), Granberg
patent: 989379 (1911-04-01), Mather
patent: 1781863 (1930-11-01), Shoemaker
patent: 2204030 (1940-06-01), Say
patent: 2358153 (1944-09-01), Epperson
patent: 2942501 (1960-06-01), Kallio
patent: 3028773 (1962-04-01), Borneman
patent: 3452625 (1969-07-01), Russo
patent: 3572183 (1971-03-01), Mellone
patent: 3590671 (1971-06-01), Wahli
patent: 4132493 (1979-01-01), Hosoi
patent: 4143723 (1979-03-01), Schmotzer
patent: 4194862 (1980-03-01), Zweekly

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