US 2026/0077368 A1 · METHODS AND APPARATUS FOR THERMAL SPRAYING OF COATINGS

Methods and apparatus for thermal spraying of coatings

AssigneePPG Industries Ohio, Inc.

InventorsKathrine Elizabeth Flood, Brian Kirk Rearick, Jr., DeAnna Dawn Katz, Brandon Glenn Petrouskie, Aaron Roger Zatorsky, Heather Nedzesky Santo, Anthony M. Chasser, Alexander Paul Adams, Vincent Salvatore Pagnotti, Daniel K. Dei, Michael Andrew Zalich, Pedro Velez-Herrera, Brian Edward Woodworth, Troy James Larimer, Mark P. Bowman

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Abstract

Methods of thermal spraying polymeric coatings are disclosed. A powder polymeric coating material is introduced into a thermal spray applicator. Particles of the polymeric coating material are heated by the thermal spray applicator, and the heated coating particles are directed toward a substrate to form a deposited coating. The deposited coating may be post-heated onto the substrate to form the polymeric coating with desirable surface characteristics. Thermal spray coating systems are also disclosed for thermally spraying the polymeric coatings. The thermal spray applicator may include a combustion chamber and an injection nozzle assembly that transfers coating powders to a heated zone generated from the combustion chamber.

Claims36

Dependent claims

A method of thermal spraying a polymeric coating comprising:

heating particles of a powder polymeric coating material with a thermal spray applicator and directing the heated coating particles toward a substrate;
depositing the heated coating particles on the substrate to form a deposited coating;
and
post-heating the deposited coating on the substrate to form the polymeric coating.

1 more element

Dependencies are inferred from the claim text.