1, by the four vertical pipes, C C C C, Figs. I and 2, down to the level of the wheel. where it is turned ... The patent for this invention was procured through the Scientific American Patent ...

Cutting Wheel Cutting wheels are pressed against a tube or pipe ... pipe or tubing with a collar that has retraceable cutting heads that work their way through the pipe or tubing as it is rotated ...

Pipe and tube cutters use a cutting wheel, chain, or other type of tool head to cut through the pipe and tube material. Hand-held, manually operated pipe and tube cutters typically consist of a curved ...