Drilling tool

Details Drilling tool Drilling tool

1999-03-10

2000-09-05

Howell, Daniel W.

Cutting by use of rotating axially moving tool

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

408 57, B23B 4500, B23B 5106

Patent

active

061133205

ABSTRACT:
A drilling tool including a chuck (10) for receiving a drill (2), a cooling medium delivery conduit (3) for delivering a cooling medium to the drill (2), and a first valve (5) for controlling flow of the cooling medium through the delivery conduit (3) and having an inlet (50) and an outlet (51) a cross-section of which can be reduced to zero.

REFERENCES:
patent: 3414875 (1968-12-01), Larson
patent: 3583383 (1971-06-01), Ovshinsky
patent: 3767313 (1973-10-01), Bohoroquez et al.
patent: 5951216 (1999-09-01), Antoun

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