Patent ID: 7867558
Filing Date: 2011-01-11
Classification: B05B,F16L

Abstract:
1. A method of spry lining a large diameter pipe, a conduit, structure or passageway comprising the steps of: (a) connecting a umbilical to an spray liner device wherein the umbilical comprises two hoses for a two part liner, an electrical supply, an air supply hose, cctv connection and equipment control cables; (b) connecting the cctv connection, equipment control cables, air supply hose, electrical supply and controls for the two part liner to a control location; (c) connecting an air supply hose to motors powering a spray liner device track system; (d) connecting the two hoses for the two part liner to an impingement block; (e) connecting an air supply hose to one or more air motors powering a servo drive for extending a spray nozzle forward and backward and to rotate the spray nozzle and install liner on the inside wall of a pipe; and (f) connecting a remotely controlled rotational table powered to rotate, scissor leg table and sensors, and cctv proximate to said rotational and scissor leg tables controlling the position of the spray nozzle; (g) maintaining the spray nozzle in the center of the pipe using a remotely controlled rotation table and scissor leg table.