US 2019/0168981 A1Published application

Device and method for automatic splicing

AssigneeTetra Laval Holdings & Finance S.A.

InventorsEmanuel Leufstadius, Alexander Persson

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Abstract

A method for splicing a web of packaging material is provided. The method comprises: guiding the web of packaging material through an automatic splicing device; determining the position of at least one mark of the material web by means of a detector; moving the material web based on the determined positon such that a specific area of the material web is arranged in proximity to a cutting unit; cutting the material web in order to form a separate leading part of the material web; introducing a new leading part of a separate material web into the automatic splicing device; determining the position of at least one mark of the newly introduced material web; moving the newly introduced material web based on the determined position such that a specific area of the newly introduced material web is arranged in proximity to a sealing arm of the cutting unit; and sealing the separate leading part of the material web and the newly introduced material web.

Claims14

Dependent claims

A method for splicing a web of packaging material, comprising:

guiding a first web of packaging material through an automatic splicing device, the first web of packaging material comprising at least one mark;
determining the position of the at least one mark of the first web of packaging material by a detector;
moving the first web of packaging material based on the position of the at least one mark of the first web of packaging material such that a specific area of the first web of packaging material is arranged in proximity to a cutting unit;
cutting the first web of packaging material in order to form a separate leading part of the first web of packaging material;
introducing a new leading part of a second web of packaging material into the automatic splicing device, the second web of packaging material comprising at least one mark;
determining the position of the at least one mark of the second web of packaging material;
moving the second web of packaging material based on the position of the at least one mark of the second web of packaging material such that a specific area of the second web of packaging material is arranged in proximity to a sealing arm of the cutting unit;
and
sealing the separate leading part of the first web of packaging material and the second web of packaging material.

6 more elements

Dependencies are inferred from the claim text.