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Packaging bag

a packaging bag and bag body technology, applied in the field of packaging bags, to achieve the effect of reducing manufacturing costs, reducing manufacturing costs, and retaining the freshness and quality of articles

Inactive Publication Date: 2018-10-04
MITSUBISHI GAS CHEM CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a packaging bag for atmosphere conditioners, such as oxygen absorbing agents and desiccants, that can be manufactured at low cost and without leakage of the conditioner. This packaging bag can be used under high temperature conditions and helps to maintain the freshness and quality of articles, such as foods and pharmaceutical products, without causing them to become contaminated.

Problems solved by technology

Such phenomenon is undesirable in terms of the appearance of the packaging bag, as well as in terms of potential outside leakage of the atmosphere conditioner which has entered the sealing part.

Method used

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Embodiment Construction

[0023]Preferred embodiments of the present invention will now be described with reference to the attached drawings. In the following description, the same elements will be denoted by the same reference symbols, and redundant explanations thereof will be omitted. In addition, positional relationships such as the upper, lower, right and left are based on the positional relationships shown in the drawings, unless otherwise indicated. Further, the dimensional ratios in the drawings are not limited to those illustrated in the drawings. It should be noted that the following embodiments are merely examples for explaining the present invention and the present invention is not limited to such embodiments.

[0024]FIG. 1(a) is a front view showing the outline of a configuration of a packaging bag 1 according to the present embodiment and FIG. 1(b) is a side view showing the packaging bag 1. It should be noted that, in the specification of the present application, a side of the packaging bag 1 fr...

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Abstract

The present invention provides a packaging bag that is free from leakage of atmosphere conditioner from its supply section, manufacturable at reduced cost and by simplified manufacturing processes, and useable under high temperature conditions. The packaging bag has an upper end portion serving as a supply section from which the atmosphere conditioner is supplied. The upper end portion is formed such that a position of an end portion of a front side of a packaging material and a position of an end portion of a back side of the packaging material are shifted from each other, and a relatively protruding end portion is folded and welded onto an outer surface of the other end portion.

Description

TECHNICAL FIELD[0001]The present application is based on JP Appl. No. 2015-201495 filed on Oct. 9, 2015, the content of which is incorporated herein.[0002]The present invention relates to a packaging bag containing an atmosphere conditioner, such as an oxygen absorbing agent and a desiccant.BACKGROUND ART[0003]An atmosphere conditioner, such as an oxygen absorbing agent and a desiccant, is normally stored in a rectangular packaging bag and used. This packaging bag is typically manufactured using a rotary, three-way seal bag manufacturing and filling apparatus. In this apparatus, a packaging material constituting a packaging bag is formed into a bag shape, a nozzle is inserted from the remaining opening side (supply side) of the bag, an atmosphere conditioner is supplied from the nozzle into the packaging bag, and the supply side is then welded to hermetically close the supply side to form the packaging bag.[0004]However, according to the above-mentioned method, the powdery atmospher...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B65D81/26
CPCB65D81/268
Inventor KATADA, SHIGEYUKISAITO, HIROKI
Owner MITSUBISHI GAS CHEM CO INC
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