Device for surface cleaning, surface preparation and coating applications

A pipeline treating apparatus operable for treating pipeline comprising:

• a main frame;
• a first wing pivotally mounted to the main frame extending about a portion of the circumference of the pipeline;
• a second wing pivotally mounted on the main frame extending about a portion of the circumference of the pipeline;
• at least one bracket mounted on each of said wings, for each of said wing a nozzle mounted on said at least one bracket facing the exterior surface of the pipeline;
• and
• a drive assembly for oscillating said at least one bracket a predetermined arcuate distance about the circumference of the pipeline to treat the outer surface of the pipeline;
• the drive assembly including:
• a motor;
• a crank arm rotated about a predetermined axis by the motor;
• and
• an intermediate link pivotally connected to the crank arm at a first end thereof and to the bracket at the opposite end thereof, rotation of the crank arm oscillating said at least one bracket the predetermined arcuate distance.

A pipeline treating apparatus operable for treating pipeline, comprising:

• a main frame;
• a first wing pivotally mounted to the main frame extending about a portion of the circumference of the pipeline;
• a second wing pivotally mounted on the main frame extending about a portion of the circumference of the pipeline;
• at least one bracket mounted on each of said wings, for each of said wings a nozzle mounted on each of said at least one brackets facing the exterior surface of the pipeline;
• a drive assembly for oscillating said at least one bracket a predetermined arcuate distance about the circumference of the pipeline to treat the outer surface of the pipeline;
• the drive assembly including:
• a motor;
• a first set of gears rotated by said motor;
• a second set of gears;
• a pair of chains interconnecting said first and second gears for rotation;
• a drive member mounted between said pair of chains, said at least one bracket mounted to the drive member, the drive member oscillating said at least one bracket the predetermined arcuate distance.

A pipeline treating apparatus operable for treating pipeline, comprising:

• a main frame;
• a first wing pivotally mounted to the main frame extending about a portion of the circumference of the pipeline;
• a second wing pivotally mounted on the main frame extending about a portion of the circumference of the pipeline;
• at least one bracket mounted on each of said wings, for each of said wings a nozzle mounted on said at least one bracket facing the exterior surface of the pipeline;
• and
• a drive assembly for oscillating said at least one bracket a predetermined arcuate distance about the circumference of the pipeline to treat the outer surface of the pipeline;
• an arcuate guide rail on each side of said at least one bracket and guide rollers mounted on said at least one bracket and sliding over the guide rails to guide said at least one bracket.

A pipeline treating apparatus operable for treating pipeline, comprising:

• a main frame;
• a first housing section pivotally mounted to the main frame extending about at least a portion of the pipeline;
• a second housing section pivotally mounted to the main frame extending about at least a portion of the pipeline, the first and second housing sections defining a chamber between the housing sections and the exterior of the pipeline;
• a first nozzle frame pivotally mounted to the main frame separately from the first housing section and extending about at least a portion of the circumference of the pipeline;
• a second nozzle frame pivotally mounted to the main frame separately from the second housing section extending about at least a portion of the circumference of the pipeline;
• at least one first nozzle mounted on the first nozzle frame for treating the exterior surface of the pipeline;
• and
• at least one second nozzle mounted on the second nozzle frame for treating the exterior surface of the pipeline.

A pipeline treating apparatus operable for treating pipeline, comprising:

• a main frame;
• a first housing section mounted to the main frame extending about at least a portion of the pipeline;
• a second housing section mounted to the main frame extending about at least a portion of the pipeline;
• a first nozzle frame mounted to the main frame and extending about at least a portion of the circumference of the pipeline;
• a second nozzle frame mounted on the main frame and extending about at least a portion of the circumference of the pipeline;
• a first nozzle plate mounted on the first nozzle frame for oscillating motion relative thereto;
• a second nozzle plate mounted on the second nozzle frame for oscillating motion relative thereto;
• and
• a drive mechanism for oscillating the first and second nozzle plates a predetermined arcuate distance about the circumference of the pipeline to treat the outer surface of the pipeline.

A pipeline treating apparatus operable for treating pipeline, comprising:

• a first member extending about a portion of the circumference of the pipeline;
• at least one bracket mounted on said member, a nozzle mounted on said member facing the exterior surface of the pipeline;
• and
• a drive assembly for oscillating the bracket a predetermined arcuate distance about the circumference of the pipeline to treat the outer surface of the pipeline, said drive assembly including:
• a motor;
• at least one first gear rotated by said motor;
• at least one second gear;
• at least one chain interconnecting said first gear and second gear for rotation thereof, the bracket being connected to the chain with the linear motion of the chain converted into oscillating motion of the bracket with a dwell time at the ends of the oscillation motion.