Line travel spray coating device

A device for spraying coating onto the exterior surface of a pipe comprising means for moving the device longitudinally along the pipe, the device having a front end facing in the direction of movement along the pipe and a rear end facing away from the direction of movement along the pipe, a circular yoke mounted on the device at the rear end, said yoke formed from two half circles, a left half and a right half, each half having an upper end and a lower end, said halves movably mounted to the device so the halves can swing apart in order to lower the device over the pipe and swing back together to be fastened at their upper ends and lower ends to encircle the pipe, means for releasably fastening the two halves at their upper ends and means for releasably fastening the two halves at their lower ends to form a continuous circle, the right half provided with right gear belt pulleys which engage a right gear belt and the left half provided with left gear belt pulleys which engages a left gear belt, means for driving the left gear belt back and forth along the left half, means for driving the right gear belt back and forth along the right half, a lower gear belt connecting at least one left gear belt pulley and at least one right gear belt pulley at the lower end of the halves, the left half having left outside dual lipped edges, left roller mechanisms engaging said left outside dual lipped edges, said left roller mechanisms attached to a left bracket, said left bracket fastened to the left gear belt, a left spray gun flexibly mounted to said left bracket, the right half having right outside dual lipped edges, right roller mechanisms engaging said right outside dual lipped edges, said right roller mechanisms attached to a right bracket, said right bracket fastened to the right gear belt, a right spray gun flexibly mounted to said right bracket, the left and right spray guns positioned facing the pipe, and means for controlling the spray guns to turn them "ON" and "OFF".