(19)

(11)

EP 2 507 440 A1

(12)

(43) Date of publication: 10.10.2012 Bulletin 2012/41 (21) Application number: 10801006.7 (22) Date of filing: 04.12.2010

(51) International Patent Classification (IPC):  E04B 1/80(2006.01) E06B 3/66(2006.01) F16L 59/07(2006.01) E06B 3/00(2006.01) F16L 59/06(2006.01) (86) International application number: PCT/PL2010/050061 (87) International publication number: WO 2011/068426 (09.06.2011 Gazette 2011/23)

(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: 04.12.2009 PL 38977109 (71) Applicant: Vis Inventis Spolka Z O.O. 30-201 Krakow (PL)	(72) Inventors: KOSTKA, Antoni PL-30-201 Krakow (PL) PASZKOWSKI, Mariusz PL-30-201 Krakow (PL) (74) Representative: Kacperski, Andrzej  Kancelaria Prawno-Patentowa ul. Kupa 3/9 31-057 Krakow 31-057 Krakow (PL)