Device and a method for controlling a twist of a tube

Details Device and a method for controlling a twist of a tube Device and a method for controlling a twist of a tube

2005-12-08

2010-11-09

Durand, Paul R (Department: 3721)

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

C053S477000, C053S051000, C053S551000, C053S389400

Reexamination Certificate

active

07827768

ABSTRACT:
A device for controlling a twist of a tube of packaging material in relation to an apparatus for transverse sealing of the tube comprises a number of rollers forming an aperture through which the packaging material is arranged to pass. A roller surface of each of the rollers is arranged to be in contact with an outer surface of the tube. The direction of the rotation axis of at least one of the rollers is adjustable to control the twist of the tube. A method for controlling a twist of a tube of packaging material comprises allowing the packaging material to pass through an aperture formed by a number of rollers with a rolling surface in contact with an outer surface of the tube, and adjusting the direction of the rotation axis of at least one of the rollers to control the twist of the tube.

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PCT/ISA/210 for PCT/SE2005/001863 dated May 10, 2006.

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