Opening device and method for manufacturing the same, and a packaging material provided with said opening device

A technology for opening devices and packaging materials, which can be used in packaging, transportation and packaging, other household appliances, etc., and can solve problems such as inability to provide sealing and adding films

Active Publication Date: 2012-08-29
TETRA LAVAL HLDG & FINANCE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since conventional threaded caps on their own usually do not provide an adequate seal, membranes are often added

Method used

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  • Opening device and method for manufacturing the same, and a packaging material provided with said opening device
  • Opening device and method for manufacturing the same, and a packaging material provided with said opening device
  • Opening device and method for manufacturing the same, and a packaging material provided with said opening device

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Embodiment Construction

[0013] To further clarify the functions and diversity of the present invention, exemplary applications of various embodiments will be described in detail.

[0014] In a first embodiment of the invention, the opening device comprises a prefabricated support member 104 . Note that prefabrication here can include any type of two-step molding where one part is produced before the other. The case of prefabrication thus ranges from a situation in which the support part 104 is manufactured entirely by another factory to a co-forming process in which the support part 104 is produced just before the second part, the membrane part 102, is produced. In this embodiment, the support member 104 is arranged in a mold half that is aligned with one segment wrapper 112 . The wrapping material 112 includes a pattern of full or partial penetrations or openings 111, wherein partial penetrations may, for example, include sections where the core paperboard layer 113 has been removed but a foil laye...

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PUM

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Abstract

An opening device (100) for a packaging container is disclosed, said packaging container is formed from a packaging material having an upper side constituting the outside of the packaging container and a lower side constituting the inside of the container, said opening device (100) comprises two operational parts, a preformed support part (104) arranged on the upper side of the packaging material and a membrane part (102) arranged on the lower side of the container and extending into openings (111) of the support part (104) such as to mechanically connect the two parts, and wherein the materials of the membrane part (102) and the support part (104) are thermally incompatible polymer materials.

Description

technical field [0001] The present invention relates to opening devices and to methods of equipping such opening devices to packaging material. The invention also relates to a packaging container equipped with such an opening device. Background technique [0002] Packaging containers intended for consumer use are equipped with certain opening devices. Some of the preferred features of the opening device are that it should be easy to actuate and provide an adequate and reliable seal for the product in the packaging container. The definition of an adequate seal will vary depending on the type of product in the container, how the container will be stored, etc. A general requirement is that the opening device should prevent microbes from entering the product from the outside until it is opened for the first time, as this would rapidly degrade the product quality. In some cases, it is necessary to prevent certain gases, such as oxygen, from entering the packaging container. F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D5/72B29C45/14
CPCB29C45/14754B29L2031/565B65D17/4011B65D5/72
Inventor 佩尔·安德森
Owner TETRA LAVAL HLDG & FINANCE SA
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