Method and apparatus for cutting openings in sidewall of spiral pipe
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United States of America Patent
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Oct 10, 2017
Issued Date -
N/A
app pub date -
Mar 25, 2015
filing date -
Mar 26, 2014
priority date (Note) -
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Abstract
An apparatus for forming spiral pipe includes a spiral pipe forming station having a feeding device for feeding a continuous strip and a bending device that receives the strip fed from the feeding device. The bending device has a fixed rolling element that forms a spiral pipe having a longitudinal axis and a sidewall. The apparatus also includes a cutting station having a cutting device movably extending in a direction of the longitudinal axis of the spiral pipe. A controller is operatively connected to the spiral pipe forming station and the cutting station to continuously operate the pipe forming station while the cutting station is operated to cut through the sidewall of the spiral pipe to define the one or more register holes.
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