Solid lubricant film resistant to corrosion

Claim 1

THE COMBINATION COMPRISING A PART HAVING A SURFACE WHICH IS SUBJECTED IN USE TO MECHANICAL FRICTION, SAID SURFACE HAVING IRREGULARITIES FORMING MINUTE DEPRESSIONS DISTRIBUTED SUBSTANTIALLY UNIFORMLY THEREACROSS, AND A LUBRICANT COATING BONDED TO SAID SURFACE, SAID COATING INCLUDING A BINDER CURED TO SOLID FORM ON SAID SURFACE AND CONTINUOUSLY BONDED THERETO, FINELY DIVIDED SOLID LUBRICANT PARTICLES DISTRIBUTED WITHIN THE BINDER ACROSS SUBSTANTIALLY SAID BINDER SEPARATELY FROM SAID SURFACE AND FORMED OF A CORROSION INHIBITIVE INORGANIC COMPOUND OPERABLE TO RESIST CORROSION OF SAID SURFACE BUT WHICH COMPOUND WOULD NORMALLY TEND TO ACCELERATE FRICTIONAL WEARING OF THE COATING, SAID INORGANIC COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ZINC CHROMATE, BARIUM CARBONATE, BARIUM CHROMATE, CADMIUM CHROMATE, STRONTIUM CHROMATE, RED IRON OXIDE (FE2O3), DICALCIUM PHOSPHATE AND RED LEAD OXIDE (PB3O4) AND A LARGE NUMBER OF FINELY DIVIDED METAL PARTICLES DISTRIBUTED WITHIN SAID BINDER IN ADDITION TO THE ABOVE MENTIONED MATERIALS IN SUFFICIENT AMOUNT TO COMTERACT THE WEAR ACCELERATING TENDENCY OF SAID CORROSION INHIBITIVE PIGMENT.