Pipe cutter with dual outer cutting knives and method

Details Pipe cutter with dual outer cutting knives and method Pipe cutter with dual outer cutting knives and method

1997-04-15

1999-01-19

Hail, III, Joseph J.

Metal deforming

By tool-couple pressing together adjacent surface portions...

To form helically-seamed tube

72 72, 72132, B21C 3712, B21F 1100

Patent

active

058603050

ABSTRACT:
A pipe cutter having dual outer knives and a method of using the same is disclosed. The outer knives are mounted on knife positioners capable of swinging the outer knives into a pipe in an arc to overlap with a knife positioned inside the pipe. The method includes the step of simultaneously swinging the outer knives into a continuously rotating pipe in an arc having a rotational direction opposite the rotational direction of the pipe.

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International Search Report for PCT/SE 98/00690 mailed Jul. 9, 1998.

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