Degradable plastic vest bag

By adding expansion tabs, rubber pads, and fillable foam to the handles of biodegradable plastic vest bags, combined with a Velcro sealing structure, the problem of hand marks and pain caused by excessive pressure from vest bags is solved, improving comfort and convenience, while also being biodegradable and waterproof.

CN224336147UActive Publication Date: 2026-06-09WENZHOU GUANDU PACKING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU GUANDU PACKING CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

When using existing biodegradable plastic vest bags, the thin shoulder straps can exert significant pressure on the hands when carrying heavy items or using them for extended periods, resulting in noticeable marks, increased pain, and even discomfort due to impaired local blood circulation.

Method used

The handle design incorporates an expansion plate, rubber pad, and fillable foam, combined with a Velcro sealing structure, to enhance comfort by increasing the contact area, providing elastic cushioning, and dispersing pressure. Meanwhile, the composite structure of polylactide, polyethylene, and acrylic layers provides biodegradability, water resistance, and abrasion resistance.

Benefits of technology

It significantly reduces hand marks and pain, maintains comfort during long periods of lifting heavy objects, and achieves quick sealing with Velcro to prevent items from spilling, improving the user experience and convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224336147U_ABST
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Abstract

The utility model relates to the technical field of vest bag, and disclose a degradable plastic vest bag, bag body, handle, handle fixedly connected at the top of bag body, the handle is equipped with two groups and symmetrically sets up the both sides of bag body top, the expansion piece, expansion piece fixedly connected at the both sides of handle top, rubber pad is bonded with the inner wall of handle top, expansion piece bottom and rubber pad top bonding, rubber pad bottom fixedly connected with the fillable foam, the round hole is set up on the fillable foam, the fillable foam is arcly set up, handle adds expansion piece, rubber pad and fillable foam through increasing contact area + elastic buffer + pressure dispersion three -fold design, reduce hand pressure, significantly reduce the pain of pulling hand, even if long -time heavy object can keep comfortable, the arc design of fillable foam is in line with finger curve, the round hole promotes air circulation, avoids the hand stuffy sweating.
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