Process for converting a fluid system of a machine from an oil b

Details Process for converting a fluid system of a machine from an oil b Process for converting a fluid system of a machine from an oil b

1990-07-12

1991-11-26

Silverman, Stanley S.

Coating processes

Interior of hollow article coating

Metal base

427327, 427435, 427142, 134 2219, 134 36, 134 38, 134 40, 252162, 252172, 165133, 184 15, 184 621, B08B 308, B05D 722

Patent

active

050681290

ABSTRACT:
A process for converting a fluid system of a machine from an oil based fluid system to a water based fluid system. A solvent and perfluoroethylene resin are added to the fluid system in sufficient amounts to remove extraneous matter from and coat the surfaces within the fluid system with the perfluoroethylene resin. The oil based fluid, solvent and perfluoroethylene resin are circulated throughout the fluid system for a time sufficient to remove extraneous matter and coat the surfaces. The fluid system is evacuated of the oil based fluid, solvent and residual perfluoroethylene resin, and a water based fluid is added to the fluid system.

REFERENCES:
patent: 3431145 (1969-03-01), Riley
patent: 4033784 (1977-07-01), Lawson et al.
patent: 4174231 (1979-11-01), Hobgood
patent: 4396436 (1983-08-01), Laemmle et al.
patent: 4925496 (1990-05-01), Stonky et al.

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