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Liquid packaging bag

A packaging bag and liquid technology, which is applied in packaging, liquid treatment, transportation and packaging, etc., can solve the problems that the tear opening cannot be reclosed, affects the living environment, and the quality of the liquid deteriorates, and achieves simple structure, convenient operation, and low cost effect

Inactive Publication Date: 2020-06-23
扬州科信包装印刷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous improvement of the economic level, people's requirements for packaging bags are getting higher and higher. At present, the packaging bags for liquids in the society are opened by tearing the mouth. This opening method is simple and practical, but many packaging bags After opening, the liquid inside cannot

Method used

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  • Liquid packaging bag
  • Liquid packaging bag

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Embodiment Construction

[0011] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0012] Such as figure 1 As shown, a liquid packaging bag includes a bag body 1, a cylindrical nozzle 2 and a cover 3, the cylindrical nozzle 2 is fixedly connected in the middle of the upper end of the bag body 1, and the cover 3 is connected to the cylindrical nozzle 2 At the outer end, the outer ring of the cylindrical nozzle 2 is provided with a threaded strip 21 .

[0013] The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying ...

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Abstract

The invention relates to a liquid packaging bag. The liquid packaging bag comprises a bag body, a cylindrical pipe opening and a cover, wherein the cylindrical pipe opening is fixedly connected to themiddle of the upper end of the bag body, the cover is connected to the outer end of the cylindrical pipe opening, and a threaded strip is arranged on the outer ring of the cylindrical pipe opening. The liquid packaging bag is simple in structure, convenient to operate, low in cost and high in practicability, the cylindrical pipe opening is tightly attached to the cover, so that liquid in the bagbody can be effectively isolated from external air, the quality of the liquid in the bag body is effectively protected, and resources are saved.

Description

technical field [0001] The invention belongs to the technical field of food packaging, in particular to a liquid packaging bag. Background technique [0002] With the continuous improvement of the economic level, people's requirements for packaging bags are getting higher and higher. At present, the packaging bags for liquids in the society are opened by tearing the mouth. This opening method is simple and practical, but many packaging bags After opening, the liquid inside cannot be used all at once, but the tear opening cannot be closed again, resulting in the remaining liquid being exposed to the air for a long time, oxidizing and causing the liquid quality to deteriorate, wasting resources, and some liquids are still It is easy to evaporate and emit a special pungent smell, which affects the living environment. Contents of the invention [0003] The present invention aims to solve the above defects, and provides a liquid packaging bag. [0004] In order to overcome th...

Claims

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Application Information

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IPC IPC(8): B65D41/04
CPCB65D41/04
Inventor 陆新楠
Owner 扬州科信包装印刷有限公司