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US 5,372,220 AGranted
Water based lubricant containing polytetrafluoroethylene
AssigneeBostik SA
InventorsBernard Jacobs, John H. Adams
Life of this patent
Estimating the term…
Abstract
A method of formulating a nonflammable water based lubricant emulsion having excellent anti-seize and low friction properties for wood cutting and metal machining containing preferably an oil-in-water emulsion and finely divided polytetrafluoroethylene particles in the water phase and delivered in small amounts by mist or spray to the working parts.
Claims23
A method for lubricating a tool comprising:
- providing a supply of a lubricating oil-in-water emulsion having dispersed in said emulsion about 0.1-10% by weight of PTFE particles having a diameter of about 0.05-20 .mu.m, flowing said emulsion through a first conduit under pressure sufficiently low to avoid coagulation of the PTFE particles to a second conduit and discharging said emulsion from said second conduit under higher pressure onto the surface of the tool to be lubricated.
Dependencies are inferred from the claim text.