Method for forming a container blank including a seal

Details Method for forming a container blank including a seal Method for forming a container blank including a seal

2005-06-03

2010-06-08

Gerrity, Stephen F (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

C493S209000

Reexamination Certificate

active

07731645

ABSTRACT:
The preset invention relates to a method, use of the method and a device for making a seal in a portion of a material web. The material web includes a first elongate section with a first number of layers of material and a second elongate section with a second number of layers of material, at least one of the layers of material being included in both the first and the second section, the portion having an extent that intersects a transition from the first section to the second section of the material web, the method including connecting, in the portion, opposite surfaces of the layers of material of the material web to each other. The method including forming ridges and valleys in the portion, and orienting the ridges and valleys in such a manner that they have an extent intersecting the transition.

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