(19)
(11) EP 2 657 406 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.01.2017 Bulletin 2017/03

(43) Date of publication A2:
30.10.2013 Bulletin 2013/44

(21) Application number: 13396006.2

(22) Date of filing: 26.04.2013
(51) International Patent Classification (IPC): 
E01C 23/09(2006.01)
(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: 26.04.2012 FI 20120140

(71) Applicant: J. Kallioinen & Suoranta Infra Oy
21500 Piikkiö (FI)

(72) Inventors:
  • Kantola, Mauri
    27650 Honkilahti (FI)
  • Kallioinen, Jarno
    21430 Yliskulma (FI)
  • Suoranta, Seppo
    20700 Turku (FI)

(74) Representative: Pirhonen, Kari Lennart 
Patenttitoimisto Kari Pirhonen Oy P.O. Box 71
20101 Turku
20101 Turku (FI)

   


(54) Method and device for filling grooves and cracks in road surfaces


(57) Method and apparatus (10) for filling Joints or cracks in road surfaces with hot bitumen (21) or rubberised bitumen. According to the method, heated air or compressed air is utilised to keep a bitumen dosing tube (24) hot and/or to clean, dry and/or heat up a joint or a crack in the road surface prior to hot bitumen being dosed into it.







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Search report