Working tool of a machine for cleaning the outer surface of pipe

Brushing – scrubbing – and general cleaning – Machines – Scraping

Patent

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Details

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

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