(19)

(11)

EP 2 635 409 A1

(12)

(43) Date of publication: 11.09.2013 Bulletin 2013/37 (21) Application number: 11838324.9 (22) Date of filing: 02.11.2011

(51) International Patent Classification (IPC):  B25D 17/08(2006.01) B25D 17/28(2006.01) F27D 1/16(2006.01) B25D 17/02(2006.01) E02F 3/96(2006.01) F27D 25/00(2010.01) (86) International application number: PCT/SE2011/051305 (87) International publication number: WO 2012/060773 (10.05.2012 Gazette 2012/19)

(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: 03.11.2010 SE 1051151 (71) Applicant: Brokk Aktiebolag 931 27 Skelleftea (SE)	(72) Inventor: BYSTEDT, Gunnar S-931 91 Skellefteå (SE) (74) Representative: Norman, Pia Christiane  Zacco Sweden AB P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)