Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product – Including tool with duct
Patent
1991-10-04
1992-11-03
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With means to apply transient, fluent medium to work or product
Including tool with duct
408 57, B23B 5106
Patent
active
051602296
ABSTRACT:
In a mist-spouting type drilling device having a mist passage extending through a hollow drill and a hollow shaft, a slender throat nozzle is disposed inside the drill, and a slender anti-counterflow nozzle having an orifice portion is disposed inside the hollow nozzle. The anti-counterflow nozzle is connected to a mist supply pipe through a joint member having a seal. With the orifice portion placed midway of the mist passage nozzles, little atomized water introduced into the mist passage through the mist supply pipe flows backward and is prevented from leaking.
REFERENCES:
patent: 1807126 (1931-05-01), Morrill et al.
patent: 3264906 (1966-08-01), Swords
patent: 3487748 (1970-01-01), Rage
patent: 5004382 (1991-04-01), Yoshino
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