Patent SG-11201805211P-A (SG)
Title: Foaming additive for soil conditioning in the presence of mechanised excavation for tunnel construction
Inventor: STEFANONI MASSIMO
IPC: E21D9/06
Filed: 2016-12-06
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 111111110111101110101011111010111110111010111111111110111101011111101111011111 International Bureau .. .... ..Yejd (10) International Publication Number .... ...,,,' (43) International Publication Date WO 2017/108382 Al 29 June 2017(29.06.2017) WIPO I PCT (51) International Patent Classification: (74) Agent: MINOJA, Fabrizio; Bianchetti Bracco Minoja C09K 17/32 (2006.01) E21D 9/06 (2006.01) S.r.1., Via Plinio, 63, 20129 Milano (MI) (IT). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/EP2016/079810 kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (22) International Filing Date: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 6 December 2016 (06.12.2016) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language: English 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, (26) Publication Language: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (30) Priority Data: OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 102015000085939 SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, 21 December 2015 (21.12.2015) IT TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: MAPEI S.P.A. [IT/IT]; Via Cafiero, 22, 20158 Milano (IT). (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, — (72) Inventors: STEFANONI, Massimo; c/o MAPEI S.p.A., GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, Via Cafiero, 22, 20158 Milano (MI) (IT). PISTOLESI, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, Carlo; c/o MAPEI S.p.A., Via Cafiero, 22, 20158 Milano TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (MI) (IT). SQUINZI, Marco; c/o MAPEI S.p.A., Via DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Cafiero, 22, 20158 Milano (MI) (IT). DAL NEGRO, En- LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, — _ rico; c/o MAPEI S.p.A., Via Cafiero, 22, 20158 Milano SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (MI) (IT). MALTESE, Cristiano; c/o MAPEI S.p.A., Via GW, KM, ML, MR, NE, SN, TD, TG). Cafiero, 22, 20158 Milano (MI) (IT). PEILA, Daniele; Po- litecnico di Torino, Dipartimento \"DIATI-Dipartimento di Published: = Ingegneria dell'Ambiente, del Territorio e delle Infrastrut- — with international search report (Art. 21(3)) = ture\", C.so Duca degli Abruzzi 24, 10100 Torino (TO) (IT). = = = = = = = = = = 1-1 ei ot M ot © ,-1 IN ,-1 C:::: ) (54) Title: FOAMING ADDITIVE FOR SOIL CONDITIONING IN THE PRESENCE OF MECHANISED EXCAVATION FOR \" TUNNEL CONSTRUCTION C ) „,.. (57) : Disclosed is a liquid foaming additive for use in mechanised excavation by a tunnel boring machine, containing 5- 40% by weight of one or more surfactants, 0.01-5% by weight of one or more biopolymers, and 55-94.09% of water.