Cutlery – Pipe and rod cutters – Rotary
Patent
1985-06-05
1987-09-22
Kazenoke, E. R.
Cutlery
Pipe and rod cutters
Rotary
1510416, 1510409, 30 98, B23D 2106
Patent
active
046945741
ABSTRACT:
A pipe scraper for scraping the end of a plastics pipe such as a plastics gas main or water main has 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 is a pinion (16) which meshes with a larger pinion (19) driving a friction surface 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.
REFERENCES:
patent: 253788 (1882-02-01), Thomas
patent: 1932462 (1933-10-01), Howlett
patent: 3176771 (1965-04-01), Claiborne et al.
patent: 3406449 (1968-10-01), Doerner
patent: 4479538 (1984-10-01), Coyle, Sr.
British Gas Corporation
Fridie, Jr. Willman
Kazenoke E. R.
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