Method and apparatus for enhancing seam uniformity in spirally w

Details Method and apparatus for enhancing seam uniformity in spirally w Method and apparatus for enhancing seam uniformity in spirally w

1998-06-18

2000-03-07

Scherbel, David A.

Manufacturing container or tube from paper; or other manufacturi

Tube making

Spiral winding

229 93, B31C 300

Patent

active

060333529

ABSTRACT:
The invention provides a method and apparatus for spirally winding a tube of enhanced spiral seam uniformity that is simple and reliable. The spirally wound tube is formed using a spiral pitch control surface that engages with an exterior or interior cylindrical surface of a spirally wound tube and constrains movement of the tube to a predetermined spiral rotation as it is formed on a cylindrical stationary mandrel. Preferably, the pitch control surface comprises a tube engaging surface positioned along at least one spirally aligned portion of the exterior portion of the tube forming mandrel.

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