Film for gas discharge and bag made from the same

a technology for gas discharge and films, applied in the field of bags, can solve the problems of affecting the storage or delivery of bags, and affecting the success of the market, and achieve the effect of low production and time-consuming assembly

Inactive Publication Date: 2017-12-07
TZU KUO HSIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention simplifies the components, simplifies the assembly process, and increases production efficiency. This eliminates the drawbacks of conventional methods that require complicated components and time-consuming assembly.

Problems solved by technology

Thus, the bag may expand and even explode due to gas expansion.
Further, the inflated bag may hinder storage or delivery due to increased space.
While the check valve 91 is good in its claimed function, its complicated components, time consuming assembly, and low production hinder its success in the market.

Method used

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  • Film for gas discharge and bag made from the same
  • Film for gas discharge and bag made from the same
  • Film for gas discharge and bag made from the same

Examples

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Embodiment Construction

[0041]Referring to FIGS. 1A to 1E, a film for gas discharge 100 in accordance with a first preferred embodiment of the invention comprises the following components as discussed in detail below.

[0042]An inner film member 11 and an outer film member 12 are secured together by adhesive 10. The film for gas discharge 100 includes an inlet 111 shaped a circular hole (or a plurality holes in other embodiments), an outlet 121 at an end of the inner film member 11 (see FIG. 1C), a release member 13 disposed in the adhesive 10 and between the inlet 111 and the outlet 121, and a valve 14 on the release member 13 adjacent to the inlet 111.

[0043]In the first preferred embodiment, the release member 13 is made of release agent or any of similar materials. The release member 13 is disposed between the inner film member 11 and the adhesive 10.

[0044]In the first preferred embodiment, the outer film member 12 is made of polyester such as polyethylene terephthalate (PET), the inner film member 11 is ...

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Abstract

A film for gas discharge includes an inner film member, an outer film member, adhesive for securing the inner and outer film members together, an inlet through the inner film member, an outlet in the adhesive adjacent to ends of the inner and outer film members, a release member between the inlet and the outlet, and a valve on the release member. The valve may close the release member to block a passage from the inlet to the outlet or open the release member to unblock the passage. A bag made from the film for gas discharge is also provided.

Description

BACKGROUND OF THE INVENTION1. Field of the Invention[0001]The invention relates to bags and more particularly to a film for gas discharge and a bag made from the films for gas discharge.2. Description of Related Art[0002]Coffee beans are typically packaged in a bag such as plastic bag. Coffee beans may exhale to accumulate gas in the bag. Thus, the bag may expand and even explode due to gas expansion. Further, the inflated bag may hinder storage or delivery due to increased space. Thus, many inventors have thought how to solve the problem.[0003]A conventional bag 90 is shown in FIG. 7 and includes a check valve 91 for allowing gas in the bag 90 to pass through to expel. External air and pollutants are prevented from entering the bag 90 via the check valve 91.[0004]While the check valve 91 is good in its claimed function, its complicated components, time consuming assembly, and low production hinder its success in the market.[0005]Thus, the need for improvement still exists.SUMMARY O...

Claims

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Application Information

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IPC IPC(8): B65D79/00B65D85/00B65D75/30
CPCB65D79/005B65D85/70B65D75/30B65D77/225B31B2155/00B31B2160/20B31B70/855B31B2170/20
InventorTZU, KUO -HSIANG
OwnerTZU KUO HSIANG