Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product – Including tool with duct
Patent
1982-07-28
1985-09-24
Briggs, William R.
Cutting by use of rotating axially moving tool
With means to apply transient, fluent medium to work or product
Including tool with duct
175215, 175323, 175339, 175394, B23B 5106, E21B 1044
Patent
active
045430195
ABSTRACT:
A boring tool which comprises a hollow boring tool body constructed by fitting a hollow boring head provided with cutting tips to the end of a hollow boring bar, and wherein an inner leftward twisted screw is formed on the inner peripheral wall of the hollow boring bar; and an outer rightward twisted screw is formed on the outer peripheral wall of the hollow boring bar; when the boring tool body is clockwise rotated, the cutting fluid is carried forward to the end of the boring tool by the inner leftward twisted screw, and the cutting fluid which has cooled and lubricated the cutting tips and chips entrained with said cutting fluid are forcefully discharged by the outer rightward twisted screw.
REFERENCES:
patent: 3511120 (1970-05-01), Kaser
patent: 3565190 (1971-02-01), Ishii
patent: 3656565 (1972-04-01), Fox
patent: 4049066 (1977-09-01), Richey
patent: 4322189 (1982-03-01), Briese
patent: 4402371 (1983-09-01), Rocchetti
Briggs William R.
Tokyo Shibaura Denki Kabushiki Kaisha
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