Patent SG-11201900119W-A (SG)
Title: Two stage melting and casting system and method
Inventor: SAMPLE VIVEK M
IPC: F27B14/08
Filed: 2017-07-26
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1111114110111010101111101 110 100111010H HO Ell OH 011 MIMI 1111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2018/022712 Al 01 February 2018 (01.02.2018) W I P0 I P C T (51) International Patent Classification: (74) Agent: BRIGGS, Heath J. et al.; ARCONIC INC., c/ C22C 1/02 (2006.01) C22C 30/00 (2006.01) o Greenberg Traurig,LLP, 500 Campus Drive, Suite 400, C22C 14/00 (2006.01) F27B 14/04 (2006.01) Florham Park, New Jersey 07932 (US). C22C 21/00 (2006.01) F27B 14/08 (2006.01) (81) Designated States (unless otherwise indicated, for every (21) International Application Number: kind of national protection available): AE, AG, AL, AM, PCT/US2017/043882 AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (22) International Filing Date: CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, 26 July 2017 (26.07.2017) DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (25) Filing Language: English KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (26) Publication Language: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (30) Priority Data: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, 62/368,113 28 July 2016 (28.07.2016) US TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: ARCONIC INC. [US/US]; 201 Isabella Street, (84) Designated States (unless otherwise indicated, for every Pittsburgh, Pennsylvania 15212-5858 (US). kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (72) Inventors: SAMPLE, Vivek M.; 5110 Baker Lane, Mur- UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, rysville, Pennsylvania 15668 (US). CHU, Men Glenn; TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, 2750 Roselyn Drive, Export, Pennsylvania 15632 (US). — EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, KRUZYNSKI, Mark T.; 2005 Ginoria Court, Export, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, = Pennsylvania 15632 (US). SULLIVAN, Shawn P.; 139 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, Oak MeadowDrive, Oakmont, Pennsylvania 15139 (US). ve, o KM, ML, MR, NE, SN, TD, TG). = (54) Title: TWO STAGE MELTING AND CASTING SYSTEM AND METHOD = (57) : A system for two stage casting of a metal alloy is disclosed that dispenses multiple feedstock metals into an arc melting crucible via a pressur- = ized inert gas or metal vapor chamber to lower the volatilization rate of metals 100 in an arc melting crucible at a rate proportional to the composition of the final = = 0 94 P P _LIZA ,. desired alloy. The melt from the melting crucible enters a second stage cold wall crucible through a passage, where the melt cools and solidifies. A casting piston is used to slowly and progressively withdraw the solidified alloy from the cold = LI _ IMIli T 6.0 wall crucible as it cools. _ = = = 20 = l i g a 1 A. Wiilirilli MO 111111111111110111 f f (iii\" m N 1 11 - = wow be A p _ 1-1 41 Min 10 8 M ei 1-1 IN 10 ei ei © -.... ,—, FIG.1 © ei C [Continued on next page] WO 2018/022712 Al IMEDIMOMMIDIREIDIONEEHOINIDOHOIIMEMOIMIE Declarations under Rule 4.17: — as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(H)) — as to the applicant's entitlement to claim the earlier application (Rule 4.17(iii)) priority of the Published: — with international search report (Art. 21(3))