Castings and manufacture methods

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11213885
APP PUB NO 20180236533A1
SERIAL NO

15958321

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Abstract

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A method includes casting a metallic material (56) in a mold (20) containing a core, the core having a substrate (40, 44) coated with a coating (42). A removing of the metallic material from the mold and decoring leaves a casting having a layer formed by the coating. The coating has a ceramic having a porosity in a zone (50) near the substrate less than a porosity in a zone (52) away from the substrate.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032-2568

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beers, Russell A Manchester, US 43 262
Marcin,, Jr John J Marlborough, US 19 71
Prete, Thomas W North Branford, US 3 14

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