United States
US 12,697,657 B2
Casting core post and socket joint
US 12,697,657 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: RTX Corporation. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- RTX Corporation
- Inventors
- Jordan T. Lowell; Anthony J. Del Boccio
- Publication date
- 2026-08-04
- Filing date
- 2024-08-23
- Document type
- B2 Granted patent
- Also written as
- US 12,697,657 B2 · US12697657 · 12697657
Abstract
A casting core assembly has: a first ceramic piece including a projecting post; a second ceramic piece including a socket encircling the post; and a ceramic filler material between the post and the socket. At least one of: in axial section at at least one location the post has a lateral protrusion of at least 15 micrometers relative to a location proximal thereof; and in axial section at at least one location socket has a lateral recess of at least 15 micrometers relative to a location outboard thereof.
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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