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(11)

EP 2 846 981 A1

(12)

(43) Date of publication: 18.03.2015 Bulletin 2015/12 (21) Application number: 13732622.9 (22) Date of filing: 07.05.2013

(51) International Patent Classification (IPC):  B29C 53/58(2006.01) B29C 53/82(2006.01) B29C 70/68(2006.01) F17C 1/16(2006.01) B29C 53/60(2006.01) B29C 53/84(2006.01) F17C 1/06(2006.01) (86) International application number: PCT/IB2013/053645 (87) International publication number: WO 2013/168080 (14.11.2013 Gazette 2013/46)

(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 (30) Priority: 10.05.2012 NO 20120542 (71) Applicant: Hexagon Raufoss AS 2831 Raufoss (NO)	(72) Inventors: SANDVOLD, Pål N-2849 Kapp (NO) HAMNVIK, Per, Vidar N-2821 Gjøvik (NO) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)