# US 10,766,065 B2 · Method and assembly for a multiple component core assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,065 B2 - Document ID: US10766065B2 - Status: Granted - Kind: B2 - Application number: 15/240,606 - Filed: 2016-08-18 - Published: 2018-02-22 - Granted: 2020-09-08 - Earliest claimed: 2016-08-18 - Assignees: General Electric Company - Applicants: General Electric Company - Inventors: James Albert Tallman - Web page: https://patentgrep.com/patent/US10766065B2 ## CPC - B22C 9/103: {Multipart cores} - B22C 9/108: {Installation of cores} - B22C 9/24: for hollow articles - B22C 21/14: for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars - B22D 29/002: {by leaching, washing or dissolving} - B28B 1/24: by injection moulding {(injection moulding of ceramic slips B28B1/265; of tubular articles B28B21/38)} - B28B 11/243: {Setting, e.g. drying, dehydrating or firing ceramic articles (B28B11/242 takes precedence)} - B22C 7/02: Lost patterns - B22C 9/04: Use of lost patterns - B22C: FOUNDRY MOULDING (moulding refractory materials in general B28B) - B22D: CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state B29C; metallurgical processing, selection of substances to be added to metal C21, C22) - B28B: SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER (foundry moulding B22C; working stone or stone-like material B28D; shaping of substances in a plastic state, in general B29C; making layered products not composed wholly of these substances B32B) ## Abstract A component is formed from a component material introduced into a mold assembly. The mold assembly includes a mold that has a cavity defined therein by an interior wall. The cavity receives the component material in a molten state to form the component. A multiple component core assembly is positioned with respect to the mold and has a first core component attached to a second core component at a core split line. A core connection component is attached to each of the first and second core components at the core split line, such that the first core component is held adjacent the second core component at the core split line. The core connection component is formed from a connection component material that is at least partially absorbable by the component material. ## Claims ### Claim 1 A mold assembly for forming a component from a component material, said mold assembly comprising: a mold comprising an interior wall that defines a mold cavity within said mold, said mold cavity configured to receive the component material in a molten state therein; and a core assembly positioned inside said mold, said core assembly comprising: a first core component; a second core component separate from said first core component; and a core connection component coupled to said first core component and said second core component, said core connection component formed from a connection component material configured to be absorbable by the component material and comprising a sleeve shaped to receive coupling portions of said first core component and said second core component, wherein said first core component is coupled adjacent said second core component at a core split line defining a contacting joint therebetween. ### Claim 2 (depends on 1) The mold assembly in accordance with claim 1, wherein at least one of said first core component and said second core component is fabricated from a core material different than said connection component material. ### Claim 3 (depends on 2) The mold assembly in accordance with claim 2, wherein said core material and said connection component material comprise a substantially similar thermal expansion coefficient. ### Claim 4 (depends on 2) The mold assembly in accordance with claim 2, wherein said core material is selected from the group consisting of silica, alumina, and mullite. ### Claim 5 (depends on 2) The mold assembly in accordance with claim 2, wherein said connection component material is selected from the group consisting of nickel, cobalt, iron, and titanium. ### Claim 6 (depends on 1) The mold assembly in accordance with claim 1, wherein said core connection component is a mechanical connector configured to couple said first core component and said second core component together. ### Claim 7 (depends on 6) The mold assembly in accordance with claim 6, wherein said core connection component further comprises one or more of the following: a sheath connector, a stamp connector, a pin connector, and a screw connector. ### Claim 8 (depends on 1) The mold assembly in accordance with claim 1, wherein said core connection component is configured to receive at least a portion of said first core component and at least a portion of said second core component therein. ### Claim 9 (depends on 1) The mold assembly in accordance with claim 1, wherein the core connection component is a chemical connector configured to couple said first core component and said second core component together. ### Claim 10 (depends on 9) The mold assembly in accordance with claim 9, wherein the chemical connector is a braze. ### Claim 11 (depends on 9) The mold assembly in accordance with claim 9, wherein the chemical connector is an adhesive. ### Claim 12 (depends on 1) The mold assembly in accordance with claim 1, wherein the core connection component comprises a mechanical connector and a chemical connector configured to couple said first core component and said second core component together. ### Claim 13 (depends on 1) The mold assembly in accordance with claim 1, wherein the connection component material comprises a plurality of materials disposed in successive layers on coupling portions of the first core component and the second core component. ### Claim 14 (depends on 13) The mold assembly in accordance with claim 13, wherein the plurality of materials comprises a first metal alloy and a second metal alloy.