Method and apparatus for enhancing seam unifority in spirally wo

Details Method and apparatus for enhancing seam unifority in spirally wo Method and apparatus for enhancing seam unifority in spirally wo

1996-07-17

1998-11-10

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Tube making

Spiral winding

493302, B31C 300

Patent

active

058335927

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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