Patent Number: 6,253,994

Title: Process and apparatus for applying a closure to a packaging material

Abstract: One aspect of the present invention is a packaging material having a abhesive for preventing the adherence of the interior surfaces of the packaging material during application of a closure thereto. One example is a carton blank having the closure attached prior to erection of the blank on a packaging machine. Another example is a, roll of packaging material such as used to fabricate a TETRA BRIK.RTM. parallelepiped package on a vertical form, fill and seal machine. Another aspect of the invention is a method for applying a closure to such a packaging material. Yet another aspect of the present invention is an apparatus for applying closures to such packaging material. The abhesive may be a coating, printing, strip or an embossment of the material.

Inventors: Mogard; Jens (Buffalo Grove, IL)

Assignee: Tetra Laval Holdings and Finance SA

International Classification: B29C 65/00 (20060101); B31B 1/62 (20060101); B31B 1/84 (20060101); B31B 1/74 (20060101); B31B 1/60 (20060101); B65D 5/06 (20060101); B65D 5/02 (20060101); B65D 5/74 (20060101); B29C 65/02 (20060101); B65D 043/00 (); B65D 025/04 ()

Expiration Date: 07/03/2018