Patent SG-11201806876T-A (SG)
Title: Pipe coupling
Inventor: SINCLAIR DAVID MALCOLM
IPC: E21B17/08
Filed: 2017-03-22
Abstract: WO 17 / 163067 Al Figure 2 22 18 11 1 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/163067 Al 28 September 2017 (28.09.2017) WIPO I PCT 1111111111111101110101011111010111110 01111011011111011001111111111111110111111 (51) International Patent Classification: E21B 17/042 (2006.01) E21B 17/08 (2006.01) (21) International Application Number: PCT/GB2017/050809 (22) International Filing Date: 22 March 2017 (22.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 1604872.0 22 March 2016 (22.03.2016) GB (71) Applicant: OIL STATES INTERNATIONAL (UK) LIMITED [GB/GB]; Blackness Road, Aberdeen AB12 3LH (GB). (72) Inventor: SINCLAIR, David Malcolm; 11 Countesswells Terrace, Aberdeen Aberdeenshire AB15 8LQ (GB). (74) Agent: MURGITROYD & COMPANY; Scotland House, 165-169 Scotland Street, Glasgow Strathclyde G5 8PL (GB). (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, KH, 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, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, [Continued on next page] (54) Title: PIPE COUPLING (57) : A pipe connector (12) comprising tubular pin member (13) having an outer peripheral surface (15) and a tubular box member (26) having an inner peripheral surface corresponding to the outer peripheral surface of the pin member and which overlies the outer surface of the pin member when the members are fully engaged together, the members being provided with inter engaging projections and grooves (16) on said peripheral surfaces for axially locking the members together when they are fully engaged together, the pin member further comprising an annular collar (18) shrink fitted onto the pin member (13) above of the peripheral outer surface (15), the collar comprising a shoulder (24) at one end of the collar adjacent the outer peripheral surface of the pin member, the arrangement being such that when the members are fully engaged together, the tubular box member abuts the shoulder of the annular collar. WO 2017/163067 Al MIDEDIM000101011101010Efil0111001101100EM0VOIME LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Published: SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). with international search report (Art. 21(3))