Investment casting pin and method of using same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11179769
APP PUB NO 20200254511A1
SERIAL NO

16271293

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method of forming a component by investment casting includes disposing at least a portion of an investment casting pin within a core. The investment casting pin includes a ceramic base pin having a perimeter and a length extending perpendicular to the perimeter and a sacrificial coating disposed about the perimeter of the ceramic base pin along at least a portion of the length of the ceramic base pin. A metal casting is formed around the core. The core and the sacrificial coating are leached with a leaching solution and the investment casting pin is removed from the metal casting.

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Patent Owner(s)

  • RAYTHEON TECHNOLOGIES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beers, Russell A Manchester, US 43 262
Bochiechio, Mario P Vernon, US 80 197
Bullied, Steven J Pomfret Center, US 87 453

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