Patent SG-11201810898Y-A (SG)
Title: 3d printed ball valve
Inventor: DAVIES KATHERINE ANN
IPC: E21B34/06
Filed: 2016-09-27
Abstract: 145 10 5 ,1 205 205 Fig. 4 140 107 165 107a (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 05 April 2018 (05.04.2018) WIP0 I PCT olimion °nolo ovum oil omuoiliflo oimIE (10) International Publication Number WO 2018/063161 Al 1-1 O co O C (51) International Patent Classification: E21B 34/06 (2006.01) F16K 27/06 (2006.01) F16K 5/06 (2006.01) (21) International Application Number: PCT/US2016/053981 (22) International Filing Date: 27 September 2016 (27.09.2016) (25) Filing Language: English (26) Publication Language: English (71) Applicant: HALLIBURTON ENERGY SERVICES, INC. [US/US]; 3000 N. Sam Houston Parkway E., Hous- ton, Texas 77032 (US). (72) Inventors: DAVIES, Katherine Ann; 15 Keppel Bay View, 6 #54 Reflections, Singapore 098410 (SG). LAU, Jeremy Wee Kiang; 5000E Marine Parade Road, #12-18, Singapore 449288 (SG). (74) Agent: SUAREZ, Vera L. et al.; IP Section, Haynes and Boone, LLP, 2323 Victory Avenue Suite 700, Dallas, Texas 75219 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, 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, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, = (54) Title: 3D PRINTED BALL VALVE (57) : A ball valve that includes a ball comprising an integrally formed single-component body that defines an external surface; a fluid passage extending through the body, the fluid passage defining an internal surface; and a plurality of internal chambers formed within the body, each internal chamber of the plurality of internal chambers being spaced from the external surface and being spaced from the internal surface; wherein when the ball is subjected to one or more stresses, a stress concentration is created within a release-by- milling zone of the single-component body, the release-by-milling zone being adjacent to the plurality of internal chambers. The ball is at least partially manufactured using an additive manufacturing process. [Continued on next page] WO 2018/063161 Al MIDEDIM01101 DIV IIMOHM00 1101I0111111111111101111111111111111111111111 EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3))