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公开(公告)号：US3559511A
公开(公告)日：1971-02-02
申请号：US3559511D
申请日：1969-06-03
Applicant: WHEELABRATOR CORP
Inventor： SCHAEFER JOHN P , GREEN ROBERT J
CPC classification number: B23Q11/1046 , B23Q11/1084 , Y02P70/169 , Y10T408/03 , Y10T408/455
Abstract: A METHOD AND APPARATUS FOR SUPPLYING COOLANT TO AN OIL HOLE OR OIL TUBE OR CUTTING TOOL. THE METHOD COMPRISES THE STEPS OF SUPPLYING A LIQUID-AIR MIST COOLANT TO THE DRILL OR TOOL UNTIL IT PARTIALLY ENTERS A WORKPIECE AND THEREAFTER SUPPLYING LIQUID COOLANT, PREFERABLY UNDER PULSATING PRESSURE, TO THE DRILL UNTIL IT REACHES FULL HOLE DEPTH. THEREAFTER THE LIQUID-AIR MIST IS SUPPLIED TO THE DRILL WHILE IT WITHDRAWN FROM THE HOLE. THE APPARATUS OF THIS INVENTION ACCOMPLISHES THESE METHOD STEPS AUTOMATICALLY.
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