Coating apparatus – Projection or spray type – Work-supported and guided carriage
Patent
1991-11-29
1993-05-04
Jones, W. Gary
Coating apparatus
Projection or spray type
Work-supported and guided carriage
118313, 118323, 118DIG11, 239752, B05C 104
Patent
active
052078337
ABSTRACT:
The invention is a spray coating machine for applying a protective coating to a pipe or pipeline as the machine travels down the pipe. The invention has a two piece yoke which separates at the top and bottom to enable it to be fitted around the pipe. Each of the two pieces of the yoke serve as a track on which a spray gun moves, one spray gun flexibly mounted on each of the two pieces of the yoke. The two spray guns are aimed at the pipe and are moved up and down opposite each other by means of a gear belt driven mechanism. The spray guns are controlled so that they spray during only one direction of travel and are turned off as they travel in the opposite direction.
REFERENCES:
patent: 2535451 (1950-12-01), Phillips
patent: 4595607 (1986-06-01), Betteridge
patent: 4953496 (1990-09-01), Taylor et al.
Commercial Resins Company
Dorman William S.
Friedman Charles K.
Jones W. Gary
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