(19)
(11) EP 1 404 924 A1

(12)

(43) Date of publication:
07.04.2004 Bulletin 2004/15

(21) Application number: 02745461.0

(22) Date of filing: 09.07.2002
(51) International Patent Classification (IPC)7: E01H 10/00, E01C 19/20
(86) International application number:
PCT/FI2002/000619
(87) International publication number:
WO 2003/006745 (23.01.2003 Gazette 2003/04)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.07.2001 FI 20011494
09.07.2001 FI 20011495

(71) Applicant: Happonen, Antti
04230 Kerava (FI)

(72) Inventor:
  • Happonen, Antti
    04230 Kerava (FI)

(74) Representative: Järveläinen, Pertti Tauno Juhani et al
Heinänen OyAnnankatu 31-33 C
00100 Helsinki
00100 Helsinki (FI)

   


(54) METHOD FOR PREVENTING SLIPPERINESS OF A ROADWAY OR EQUIVALENT BY MEANS OF A FRICTION MATERIAL OR FRICTION SURFACE