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Pub. No.:    WO/2016/177624    International Application No.:    PCT/EP2016/059494
Publication Date: 10.11.2016 International Filing Date: 28.04.2016
B29C 65/36 (2006.01), B65B 51/22 (2006.01), B29C 65/50 (2006.01), B65H 19/00 (2006.01), B29L 9/00 (2006.01), B29K 705/00 (2006.01), B29K 705/02 (2006.01), B29K 711/12 (2006.01)
Applicants: TETRA LAVAL HOLDINGS & FINANCE S.A. [CH/CH]; 70, Avenue Général-Guisan CH-1009 Pully (CH)
Inventors: BABINI, Andrea; (IT)
Agent: TETRA PAK - PATENT ATTORNEYS SE; AB Tetra Pak, Patent Department Ruben Rausings gata 22186 Lund (SE)
Priority Data:
15166310.1 05.05.2015 EP
Abstract: front page image
(EN)An induction heating sealing device (30) for sealing a packaging material comprises an electrically conductive layer and advancing, in use, along a first direction (A), said induction heating sealing device (30) comprising an inductive element (100), said inductive element (100) comprising a first leg (31) and a second leg (32) extending along said first direction (A) and within which, in use, an alternate current flows, said first leg (31) having a first body (33) facing a second body (34) of said second leg (32) and at least one projection (35) laterally projecting from said first body (33) and facing, in use, an area (53) of said packaging material to be sealed and being configured to induce, in use, an eddy current within said area (53).
(FR)La présente invention concerne un dispositif d'étanchéité à chauffage par induction (30) permettant l'étanchéité d'un matériau d'emballage comprenant une couche électriquement conductrice et la progression, durant l'utilisation, le long d'un premier sens (A), dudit dispositif d'étanchéité à chauffage par induction (30) comprenant un élément inductif (100), ledit élément inductif (100) comprenant une première ramification (31) et une seconde ramification (32) s'étendant le long dudit premier sens (A) et à l'intérieur duquel, durant l'utilisation, un courant alternatif s'écoule, ladite première ramification (31) ayant un premier corps (33) faisant face à un second corps (34) de ladite seconde ramification (32) et au moins une projection (35) se projetant latéralement depuis ledit premier corps (33) et faisant face, durant l'utilisation, une zone (53) dudit matériau d'emballage à fermer hermétiquement et étant configurée pour induire, durant l'utilisation, un courant de Foucault à l'intérieur de ladite zone (53).
Designated States: 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, 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, 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.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, 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)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)