Spiral wound tubes, method and apparatus for forming the same
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United States of America Patent
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Issued Date -
Jun 16, 2005
app pub date -
Feb 7, 2005
filing date -
Jun 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Spiral wound tubes may be formed utilizing the method and apparatuses described herein. The method includes providing a mandrel and a web material having a first overlap region and a second overlap region. A binding agent is applied to at least one of the overlap regions. The mandrel is wrapped with the web material such that the second overlap region covers the first overlap region of the previously wound web and the binding agent is disposed between the previously wound first overlap region and the currently wound second overlap region. The spiral wound tubes of the invention demonstrate improved axial crush resistance.
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