(19)

(11)

EP 2 494 674 A1

(12)

(43) Date of publication: 05.09.2012 Bulletin 2012/36 (21) Application number: 10798185.4 (22) Date of filing: 28.10.2010

(51) International Patent Classification (IPC):  H02J 7/00(2006.01) H01M 16/00(2006.01) B25H 3/00(2006.01) (86) International application number: PCT/IB2010/054898 (87) International publication number: WO 2011/051907 (05.05.2011 Gazette 2011/18)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 29.10.2009 FR 0905204 (71) Applicant: Société de Prospection et d'Inventions Techniques -SPIT 26500 Bourg les Valence (FR)	(72) Inventor: SIMONIN, Jean-Luc F-26120 Barcelonne (FR) (74) Representative: Gevers France  23bis, rue de Turin 75008 Paris 75008 Paris (FR)