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EP 3 352 917 A1

(12)

(43) Date of publication: 01.08.2018 Bulletin 2018/31 (21) Application number: 16778117.8 (22) Date of filing: 23.09.2016

(51) International Patent Classification (IPC):  B07B 1/24(2006.01) B07B 13/07(2006.01) B07B 15/00(2006.01) B07B 13/04(2006.01) B07B 13/11(2006.01) B07B 1/22(2006.01) (86) International application number: PCT/IB2016/055710 (87) International publication number: WO 2017/051377 (30.03.2017 Gazette 2017/13)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 23.09.2015 PT 2015108831 (71) Applicant: Manvia - Manutenção e Exploração de Instalações e Construção S.A. 2796-957 Linda-a-Velha (PT)	(72) Inventor: GOMES ESTEVES, José António 1600-892 Lisboa (PT) (74) Representative: Patentree, Lda.  Edificio Net Rua de Salazares, 842 4149-002 Porto 4149-002 Porto (PT)