Method of applying a wear-resistant coating on a thin, metallic

Coating processes – Spray coating utilizing flame or plasma heat – Nonuniform or patterned coating

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427454, 427282, 427284, 427421, B05D 102, B05D 132, B05D 136

Patent

active

057284342

ABSTRACT:
A method of making coater and doctor blades for use on paper-making machinery is disclosed. A bond coating and then a wear-resistant coating are applied to one edge of an endless steel carrier strip. The strip is passed together with a masking strip continuously in only one direction through a coating zone for spraying by a plasma gun. The masking strip masks a transverse portion of the carrier strip so as to leave one edge of the latter exposed to the spray. Spraying continues for the number of passes necessary to apply desired thicknesses of the coatings to the carrier strip.

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