C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 169/04 (2006.01)
Patent
CA 2295979
The lubricant composition comprises (a) a paraffinic base oil of defined viscosity and evaporation rate characteristics, (b) a polyhydric alcohol/aliphatic acid ester, (c) an antiwear agent and optionally an antioxidant. The lubricant composition is especially suitable for use in punching and staged-drawing operations on a metal/alloy, e.g. steel.
L'invention concerne une composition lubrifiante. Cette composition comprend (a) une huile de base paraffinique présentant une viscosité et des caractéristiques de vitesse d'évaporation définies, (b) un polyol /ester d'acide aliphatique, (c) un agent antiusure et éventuellement un anti-oxydant. La composition lubrifiante selon l'invention est particulièrement appropriée pour les opérations de poinçonnage et emboutissage sur un métal/alliage, par exemple, de l'acier.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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