(19)

(11)

EP 2 929 105 A1

(12)

(43) Date of publication: 14.10.2015 Bulletin 2015/42 (21) Application number: 12813288.3 (22) Date of filing: 06.12.2012

(51) International Patent Classification (IPC):  E04F 11/18(2006.01) E04F 15/024(2006.01) (86) International application number: PCT/EP2012/074678 (87) International publication number: WO 2014/086423 (12.06.2014 Gazette 2014/24)

(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 (71) Applicant: Bygg-och Miljöteknik GRANAB AB 447 24 Vargarda (SE)	(72) Inventors: BLOM, Fredrik S-447 32 Vårgårda (SE) BLOM, Kent S-447 32 Vårgårda (SE) (74) Representative: Somlo, Tommy  Awapatent AB P.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)