Apparatus and method for cutting spiral pipe

摘要

An apparatus and method for cutting a pipe includes first knife means having a cutting edge adjacent a surface of the pipe and second knife means having a cutting edge adjacent an opposite surface of the pipe. To cut the pipe, the first knife means is moved into an overlapping relation with the second knife means such that a first portion of the pipe is cut, the first knife means is retracted and rotated about the axis of the pipe into a position adjacent a second uncut portion thereof, and the first knife means is again moved into an overlapping relation with the second knife means such that a second portion of the pipe is cut.