(19)
(11) EP 2 643 104 A1

(12)

(43) Date of publication:
02.10.2013 Bulletin 2013/40

(21) Application number: 11842482.9

(22) Date of filing: 23.11.2011
(51) International Patent Classification (IPC): 
B08B 7/02(2006.01)
 F28G 7/00(2006.01)
(86) International application number:
PCT/FI2011/051033
(87) International publication number:
WO 2012/069702 (31.05.2012 Gazette 2012/22)
(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: 23.11.2010 FI 20106234

(71) Applicant: Kamwest Oy
02110 Espoo (FI)

(72) Inventors:
  • TUOMAALA, Jorma
    FI-05100 Röykkä (FI)
  • LINDBERG, Erkki
    FI-02450 Sundsberg (FI)
  • WESTERLUND, Kurt
    FI-02700 Grankulla (FI)

(74) Representative: Kolster Oy Ab 
(Iso Roobertinkatu 23) P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) IMPACT DEVICE FOR CLEANING OF SURFACES, PARTICULARLY HEAT DELIVERY SURFACES