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Priority claimed from JP35128797Aexternal-prioritypatent/JPH11181458A/en
Priority claimed from JP1602198Aexternal-prioritypatent/JP4008999B2/en
Application filed by Kobe Steel LtdfiledCriticalKobe Steel Ltd
Publication of MY128326ApublicationCriticalpatent/MY128326A/en
[OBJECT) PROVIDED IS A LUBRICATING OIL FOR METAL WORKING WHICH MAKES IT POSSIBLE TO REDUCE AN AMOUNT OF RESIDUAL OIL IN A COPPER TUBE FOR IMPROVEMENT IN BRAZING EFFICIENCY OF THE COPPER TUBE AND FURTHER IMPROVES LUBRICATING ABILITY IN METAL WORKING FOR PREVENTION OF SEIZURE OF TOOLS. [CONSTITUTION) A LUBRICATING OIL FOR METAL WORKING COMPRISES 90 % OR MORE BY WEIGHT OF POLYALKYLENE GLYCOL HAVING A KINEMATIC VISCOSITY AT 40°C OF FROM 30 TO 5000 CST, AND REPRESENTED BY THE GENERAL FORMULA: R1- (O-R2)M- (O-R3)-O-R4, WHEREIN R1 AND R4 EACH INDEPENDENTLY REPRESENTS A HYDROGEN ATOM, OR A HYDROCARBON HAVING 1 - I0 CARBON ATOMS OR ALKYLCARBONYL GROUP; AND R2 AND R3 EACH INDEPENDENTLY REPRESENTSAN ALKYLENE GROUP HAVING 3 OR MORE CARBON ATOMS, AND M AND N ARE EACH AN INTEGER OF 0 OR MORE; A FATTY ACID HAVING 6 - 10 CARBON ATOMS; AND AN ALCOHOL HAVING 6- 13 CARBON ATOMS. [SELECTED
MYPI98049851997-11-041998-11-02Lubricating oil for metal working
MY128326A
(en)