Brushing – scrubbing – and general cleaning – Machines – Scraping
Patent
1977-04-15
1978-11-14
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Scraping
15 88, 1510404, B08B 902
Patent
active
041249143
ABSTRACT:
Apparatus mountable on a pipeline of pipes welded end-to-end and having a self-propelled carriage mountable on the pipeline for travelling thereon. The carriage carries annular casings made to open up and receive the pipeline when mounting the carriage thereon and operble to a closed position circumferentially of the pipeline. A rotor travels in each casing circumferentially of the pipeline as the carriage moves axially of the pipeline. Each rotor has a tool holder that has a cleaning tool with a cutting edge tangential to the pipeline for cleaning. A cam surface on the tool holder moves in advance of the cutting edge and cams the tool holder upwardly when a weld is encountered between the pipe sections so that the cleaning tool is well protected.
REFERENCES:
patent: 3994766 (1976-11-01), Dedels
Buzhinsky Vladimir L.
Dunjushkin Mikhail G.
Ikhsanov Deviz F.
Lysogorsky Gennady T.
Nisenbaum Yakov A.
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Roberts Edward L.
Vsesojuzny Nauchno-Issledovatelsky Institut Po Sboru, Podgotovke
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