B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
15/12.7
B23B 5/16 (2006.01)
Patent
CA 1242553
ABSTRACT PIPE SCRAPER The invention relates to a pipe scraper for scraping the end of a plastics pipe such as a plastics gas main or water main. The device consists of a framework 10 in which is journaled a helically bladed rotary cutter 14 driven by means of a lever 17. On the shaft carrying the cutter 18 a pinion 16 which meshes with a larger pinion 19 driving a friction surfaced roller 21. The cutter is held in a Reed clamp and as the lever 17 is turned it rotates the helically bladed rotary cutter so as to scrape a low angle helical scrape approximating a longitudinal scrape. At the same time the rotation of the roller 21 causes the whole framework to rotate around the surface of the pipe so as to scrape the whole end peripheral surface.
483093
British Gas Corporation
Gowling Lafleur Henderson Llp
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