Method for working or forming metals in the presence of...

Details Method for working or forming metals in the presence of... Method for working or forming metals in the presence of...

2002-11-08

2010-06-08

Omgba, Essama (Department: 3726)

Metal working

Method of mechanical manufacture

Structural member making

C072S042000, C508S392000, C508S390000, C508S391000

Reexamination Certificate

active

07730618

ABSTRACT:
A method for working or forming metals which consists in usings an aqueous lubricant containing as water-soluble extreme pressure additive, methanesulphonic acid or water-soluble methanesulphonic acid salt. The water-soluble methane sulphonic acid salt is an alkali or alkaline-earth, ammonium, alkanol amine or ethoxylated fatty amine salt. The inventive aqueous lubricants have good extreme pressure properties and good properties with respect to corrosion.

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English language machne translation of EP 0 915 183.

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