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Expired
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John James Cooley
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Individual
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Individual
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Publication of GB190813333ApublicationCriticalpatent/GB190813333A/en
13,333. Cooley, J. J. June 23. Cleaning tubes.-A scraping-device for cleaning boiler tubes consists of spring cutters e arranged around and bolted to a central rod a of hexagonal or other crosssection. The device is expanded to fit various sizes of tube by means of bevelled washers d actuated by nuts f working along screw-threaded extensions c of the body a. An actuating-handle may be attached to the.screwthreaded extension g. The cutting-ends of the springs e may have various forms, a saw-like form being shown,
GB190813333D1908-06-231908-06-23An Improved Scraping or Cleaning Device for the Tubes of Tubular Boilers and the like.
ExpiredGB190813333A
(en)