The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 09, 2010
Filed:
Dec. 08, 2005
Bengt Rosberg, Höör, SE;
Andreas Asper, Malmö, SE;
Claudio Ferrari, Fiorani, IT;
Alberto Zambonelli, Modena, IT;
Richard Pedretti, Casinalbo, IT;
Andrea Manzini, Bagno, IT;
Bengt Rosberg, Höör, SE;
Andreas Asper, Malmö, SE;
Claudio Ferrari, Fiorani, IT;
Alberto Zambonelli, Modena, IT;
Richard Pedretti, Casinalbo, IT;
Andrea Manzini, Bagno, IT;
Tetra Laval Holdings & Finance S.A., Pully, CH;
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.