Patent ID: 6809294
Filing Date: 2004-10-26
Classification: B05C,B29B,E01C

Abstract:
An apparatus for applying molten sealant to a crack in a pavement surface, comprising:a flexible hose configured for coupling to a source of heated sealants; an electrical heater disposed within the interior of said flexible hose; means for regulating energy dissipation within said electrical heater in response to thermal-characteristics of the heated sealants being communicated through said flexible hose; a dispensing tube having a distal end coupled to said flexible hose and a proximal end configured for dispensing said heated sealants upon an underlying surface; a sealing chamber fluidly connected to said dispensing tube configured to maintain, under pressure, a volume of heated sealants upon said underlying surface; and means for monitoring and maintaining at least a minimum volume of heated sealant within said sealing chamber.