(19)

(11)

EP 2 618 971 A1

(12)

(43) Date of publication: 31.07.2013 Bulletin 2013/31 (21) Application number: 11826462.1 (22) Date of filing: 20.09.2011

(51) International Patent Classification (IPC):  B27B 33/20(2006.01) B27C 1/08(2006.01) B27L 11/00(2006.01) B23D 61/02(2006.01) B27G 3/00(2006.01) (86) International application number: PCT/FI2011/050806 (87) International publication number: WO 2012/038597 (29.03.2012 Gazette 2012/13)

(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: 21.09.2010 FI 20105969 (71) Applicant: TTT Technology Oy AB 37800 Toijala (FI)	(72) Inventors: KOIVISTO, Tapio FI-37800 Toijala (FI) TUOMOLA, Antti FI-37800 Toijala (FI) (74) Representative: Kolster Oy Ab  (Iso Roobertinkatu 23) P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)