METHOD OF APPLYING PROTECTIVE COATS ON ALUMINIUM FLANGE OF AIRCRAFT FUSELAGE ANTENNA BLISTER Russian patent published in 2011 - IPC C23C16/18 C23C4/08 

FIELD: machine building.

SUBSTANCE: lightning rod flange welding surfaces are protected, protective electrically conducting chromium coat is applied on surface of aluminium flange opposite the surface that joints antenna blister to aircraft fuselage by thermal decomposition of metalorganic compounds of chromium in vacuum at 10^-1-10^-2 mm Hg and 400-450°C. Then, welding surface protection is removed to apply copper or brass coat by cold deposition.

EFFECT: chemically and biologically stable protective coat.

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