An ice bag machine

By forming a waterproof layer on the surface of the nonwoven fabric during the ice pack production process, the adhesion problem during ice pack freezing is solved, achieving cost reduction without the need for additional materials and avoiding fiber breakage and resin leakage.

CN122165697APending Publication Date: 2026-06-09XUJING NEW MATERIALS TECHNOLOGY (CHANGZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XUJING NEW MATERIALS TECHNOLOGY (CHANGZHOU) CO LTD
Filing Date
2026-04-08
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing ice packs suffer from the problem of moisture seepage and adhesion during freezing, leading to nonwoven fiber breakage and water-absorbing resin leakage, which increases production costs.

Method used

During the ice pack production process, a dense waterproof layer is formed on the surface of the nonwoven fabric through the first hot-pressing mechanism to prevent water penetration. The lower nonwoven fabric film is hot-pressed by the first hot-pressing mechanism without the need for an additional waterproof membrane, so that the fibers melt and rearrange to form a waterproof layer.

Benefits of technology

It effectively avoids the adhesion problem of ice packs during freezing, reduces production costs, avoids fiber breakage and water-absorbing resin leakage, and lowers the production costs for enterprises.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of ice pack production equipment technology, and more particularly to an ice pack machine, including a frame and a support platform mounted on the frame. The feed end of the frame is equipped with a lower film roller and an upper film roller. A feeding mechanism is mounted on the support platform. On the side of the support platform away from the lower film roller, a second hot-pressing mechanism for sealing the ice pack is mounted. A driving mechanism is located behind the second hot-pressing mechanism, and a cutting mechanism for shearing the ice pack is located behind the driving mechanism. A first hot-pressing mechanism is located between the lower film roller and the feeding mechanism, and is used to hot-press the lower film of the ice pack to form a waterproof layer. This invention adds a first hot-pressing mechanism before the resin feeding step, which directly hot-presses the surface of the lower non-woven fabric film, causing the fibers on the non-woven fabric surface to melt and rearrange, forming a dense waterproof layer, thereby preventing the adhesion of two stacked ice packs.
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