Plastic bags with optimized sealing structure

Abstract

The invention relates to a plastic packaging bag with an optimized sealing structure. The present invention includes a bag body and a sealing structure located above the bag body. The sealing structure includes an openable and closable bracelet, a sealing film, and a sealing zipper. An openable and closable bracelet is arranged above the sealing film, and a The sealing zipper, the bracelet, the sealing film and the sealing zipper are all heat-sealed with the bag body, and at least one of the sealing film or the sealing zipper is used to keep the bag body sealed. The invention solves the problems of convenience for consumers and tightness of heavy-duty packaging, is beneficial to the reuse of packaging bags, and reduces environmental pollution.

Description

technical field [0001] The invention belongs to the technical field of packaging, and in particular relates to a plastic packaging bag with an optimized sealing structure. Background technique [0002] In the heavy-duty plastic packaging, it is extremely inconvenient for consumers to use the plastic bags in the past. First, consumers need to cut off the hand-held part before opening the bag to open the bag. It is inconvenient to carry it again. Second, after opening the bag, When taking out some of the contents, the mouth of the bag needs to be sealed again to prevent the entry of mosquitoes and dust. Because the mouth of the heavy-duty packaging bag is relatively large, it is difficult to close it with traditional pulling materials. Third, some contents, such as rice bags, cat food and dog food Bags, etc. need to be vacuum-packed and not breathable to prevent deterioration of the contents. Contents of the invention [0003] The invention provides a plastic bag with multi...

AI Technical Summary

Problems solved by technology

[0002] In the heavy-duty plastic packaging, it is extremely inconvenient for consumers to use the plastic bags in the past. First, consumers need to cut off the hand-held part before opening the bag to open the bag. It is inconvenient to carry it again. Second, after opening the bag, When taking out some of the contents, the mouth of the bag needs to be sealed again to prevent the entry of mosquitoes and dust. Because the mouth of the heavy-duty packaging bag is relatively large, it is difficult to close it with traditional pulling materials. Third, some contents, such as rice bags, cat food and dog food Bags, etc. need to be vacuum packed and not breathable to prevent deterioration of the contents

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