Patent ID: 7255116

Claim:
A cleaning system for removing coatings from a hard surface by high pressure liquid comprising in combination a liquid reservoir connected to a high pressure pump, said pump connected to a mobile blast head by a high pressure hose, said blast head having at least one high pressure nozzle for delivering high pressure liquid onto a hard surface, a waste removal hose connected at one end to said blast head and at the other end to a sump for collection of liquid and coating, said sump connected to said liquid reservoir, whereby liquid is pumped through said high pressure hose from said reservoir and exits said high pressure nozzle onto the hard surface for removing coatings therefrom, said liquid and coatings conveyed through said waste removal hose to said sump via a high power vacuum pump, said coatings collected in said sump, said liquid reservoir, said sump and said high power vacuum pump being mounted on a mobile frame, said mobile frame forming an integral part of a truck having a bed portion and a cab portion, said truck being self-propelled, said mobile blast head being mounted at a distal end of an articulating link, a proximal end of said articulating link secured to a tractor, said tractor including an engine for propulsion thereof, wherein said high pressure hose and said waste removal hose extend between said truck and said tractor and whereby said tractor is utilized to maneuver said blast head.