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1. (WO2010121579) A METHOD AND A DEVICE FOR REPAIRING POTHOLES IN ASPHALT ROADS

Pub. No.:    WO/2010/121579    International Application No.:    PCT/CZ2010/000053
Publication Date: Fri Oct 29 01:59:59 CEST 2010 International Filing Date: Wed Apr 21 01:59:59 CEST 2010
IPC: E01C 11/00
E01C 23/06
E01C 23/14
Applicants: KOTRBATY V.M.Z. spol. s r.o.
KOTRBATY, Martin
CHARVAT, Jiri
PRUSA, Miroslav
Inventors: KOTRBATY, Martin
CHARVAT, Jiri
PRUSA, Miroslav
Title: A METHOD AND A DEVICE FOR REPAIRING POTHOLES IN ASPHALT ROADS
Abstract:
The method of repairing potholes in asphalt roads includes the following sequence of steps: a recycled material, created by an abraded material grinded off a surface layer of a used road, is preheated to 120-200 °C preferably to 150-180 °C; the surface of the pothole is heated to 120-200 °C preferably to 150-180 °C; the preheated recycled material is applied to the pre-heated surface of the pothole in the road and rolled into the pothole. With advantage the asphalt road pothole may be preheated with 50-100 cm of end lap from its boundary line. With advantage the applied recycled material may be charged with asphalt emulsion before it is rolled in. The device for repairing potholes includes a container (1) for the recycled material consisting of hoppers (6) between the adjacent vertical walls (9) of which there are exhaust-heat chambers (7) arranged for transfer of heat from vertically fed exhaust gas of the gas burners (8) coming in the bottom part (12) of the exhaust-heat chambers (7) and a heating panel (21) for planar preheating the surface of the asphalt road pothole. With advantage the planar heating panel (21), provided with heating bodies on one side, is arranged together with the container (1) of the recycled material on a mobile chassis (31) and pivoted in a tilting way around the axis o3 parallel to the transversal axis of the mobile chassis (31).