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(11)

EP 2 934 774 A1

(12)

(43) Date of publication: 28.10.2015 Bulletin 2015/44 (21) Application number: 13865432.2 (22) Date of filing: 18.12.2013

(51) International Patent Classification (IPC):  B08B 9/045(2006.01) F28G 3/14(2006.01) (86) International application number: PCT/SE2013/051560 (87) International publication number: WO 2014/098754 (26.06.2014 Gazette 2014/26)

(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: 21.12.2012 SE 1251505 (71) Applicants: Englund, Ulf 197 91 Bro (SE) Rydman, Sven 197 91 Bro (SE)	(72) Inventors: Englund, Ulf 197 91 Bro (SE) Rydman, Sven 197 91 Bro (SE) (74) Representative: Ehrner & Delmar Patentbyrå AB  Box 10316 100 55 Stockholm 100 55 Stockholm (SE)