MULTI-PIECE INTEGRATED CORE-SHELL STRUCTURE FOR MAKING CAST COMPONENT
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United States of America Patent
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Issued Date -
Feb 29, 2024
app pub date -
Nov 2, 2023
filing date -
Dec 13, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The present disclosure generally relates to partial integrated core-shell investment casting molds that can be assembled into complete molds. Each section of the partial mold may contain both a portion of a core and portion of a shell. Each section can then be assembled into a mold for casting of a metal part. The partial integrated core-shell investment casting molds and the complete molds may be provided with filament structures corresponding to cooling hole patterns on the surface of the turbine blade or the stator vane, which provides a leaching pathway for the core portion after metal casting. The invention also relates to core filaments that can be used to supplement the leaching pathway, for example in a core tip portion of the mold.
First Claim
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International Classification(s)
- B28B:SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG O....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....
- F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....
- G03F:PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNE....
- B22C:FOUNDRY MOULDING
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