Double-layer plastic-free degradable film coated paper cup

By using a double-layer plastic-free biodegradable film-coated paper cup design, the combination of the inner paper cup inner wall film layer and the supporting cardboard ventilation holes solves the problems of paper cup burns and cup mouth deformation, and achieves a safe and convenient drinking experience.

CN223949603UActive Publication Date: 2026-02-27SHENZHEN MAI RUI PACKAGING PROD CO LTD
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Patent Information

Application Number
CN202520406691.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-27
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing paper cups are prone to scalding users when in contact with hot liquids, and users biting the rim can cause the rim to deform and liquid to leak out, indicating insufficient durability.

Method used

The paper cups feature a double-layer, plastic-free, biodegradable film coating. The inner layer has a film coating on its inner wall, while the outer layer has a support cardboard and ventilation holes at its bottom. The top of the film coating is bent to form a hanging groove to secure the inner and outer layers of paper cups. The support cardboard is flexible and has ventilation holes to prevent heat conduction and accommodate poor usage habits.

Benefits of technology

It effectively prevents liquid temperature conduction, avoids scalding, adapts to poor usage habits, maintains the stability of the cup mouth structure, and facilitates drinking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-layer plastic-free degradable film laminating paper cup which comprises an outer layer paper cup, an inner layer paper cup is fixedly arranged on the inner wall of the outer layer paper cup, a laminating layer is fixedly arranged on the inner wall of the inner layer paper cup, a plurality of pre-penetrating layers are arranged on the lower surface of the outer layer paper cup, and sealing paper pieces are movably arranged on the inner walls of the pre-penetrating layers. Supporting paper sheets are fixedly arranged at the bottom end of the inner wall of the outer-layer paper cup, the top end of the film covering layer is curved, the outer side of the film covering layer is bent to form a hanging groove, one side of the hanging groove is connected with the inner-layer paper cup, and the other side of the hanging groove is fixedly connected with the outer-layer paper cup. The inner-layer paper cup is sleeved with the outer-layer paper cup, the supporting paper board is arranged at the bottom end of the inner-layer paper cup in a clamped mode, the bottom end of the supporting paper board is supported by the straight barrel, and the air holes are formed in the surface of the supporting paper board around the supporting groove, so that the air contact degree of the inner-layer paper cup is increased to a certain degree, contact with the outer-layer paper cup is blocked, and the service life of the inner-layer paper cup is prolonged. And a user cannot feel the temperature of the liquid when holding the whole cup body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a film-coated paper cup technical field especially relates to a double -deck no plastic degradable film film -coated paper cup. BACKGROUND

[0002] Paper cup is the paper container that is made with chemical wood pulp to make raw paper (white paperboard) and is made of mechanical processing, adhesion, appearance is cup-shaped. Paper cup coated with wax for frozen food use, can hold ice cream, jam and butter etc. Paper cup coated with plastic for hot drink use, resistant to 90 DEG C above temperature, even can hold open water. The characteristics of paper cup are safe and hygienic, light and convenient. Public places, hotels, restaurants can use, are disposable supplies.

[0003] The existing paper cup due to provide durability, often use the design of double -deck paper cup, often need to carry out film -coating to the inner wall of paper cup to prolong the service life of paper cup, but often paper cup can not block the conduction of temperature well, and the temperature of high-temperature liquid often scalds the user in the contact with paper cup, and part of the user because of use habit, often like to bite the cup mouth and chew, can make the cup mouth of paper cup deformation, cracking, make the liquid in the paper cup directly flow out.

[0004] Therefore, we propose a double -deck no plastic degradable film film -coated paper cup. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a double -deck no plastic degradable film film -coated paper cup.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A double -deck no plastic degradable film film -coated paper cup, including outer layer paper cup, the inner wall of outer layer paper cup is fixedly provided with inner layer paper cup, the inner wall of inner wall paper cup is fixedly provided with film -coated layer, the lower surface of outer layer paper cup is provided with a plurality of pre -piercing layers, the inner wall of pre -piercing layer is movably provided with closed paper sheet, the inner wall bottom of outer layer paper cup is fixedly provided with support paper sheet, the top of film -coated layer is curved, and the external side is bent to form a hanging groove, one side of the hanging groove is connected with the inner layer paper cup, and the other side of the hanging groove is fixedly connected with the outer layer paper cup.

[0008] As a further scheme of the utility model: the top of support paper sheet is fixedly provided with paper tube, the top of paper tube is fixedly provided with support paperboard, and the top of support paperboard is provided with support groove.

[0009] As a further scheme of the utility model: the inner diameter of support groove is same with the bottom of inner layer paper cup, the support groove is clamped with the bottom of inner layer paper cup, and the surface of support paperboard is provided with a plurality of air holes.

[0010] As a further scheme of the utility model: the material of the supporting paperboard machine and the paper tube should be reinforced hard paper, which has certain toughness.

[0011] As a further scheme of the utility model: the material of the film layer should be starch-based material or seaweed preservative film edible film-forming material.

[0012] As a further scheme of the utility model: the top curved side of the film layer is annular and forms a hanging groove, adhesive is attached to the bottom of the two sides of the hanging groove, the adhesive should be edible grade, and the adhesive is attached to the two sides of the outer paper cup and the inner paper cup.

[0013] As a further scheme of the utility model: the outer side of the outer paper cup is attached and fixed with the hanging groove, and the inner side of the inner paper cup is attached and fixed with the hanging groove.

[0014] Compared with the prior art, the utility model provides a double-layer plastic-free degradable film-coated paper cup, which has the following beneficial effects:

[0015] 1. In the utility model, the inner paper cup is sleeved by the outer paper cup, a supporting paperboard is clamped at the bottom of the inner paper cup, a straight cylinder supports the bottom of the supporting paperboard, and a plurality of air holes are formed in the surface of the supporting paperboard around the supporting groove, which increases the air contact degree of the inner paper cup to a certain extent and prevents the inner paper cup from contacting the outer paper cup, so that the user does not feel the temperature of the liquid when holding the whole cup body.

[0016] 2. In the utility model, some people often like to bite the cup mouth during drinking due to the use habit of using paper cups, and the cup mouth is damaged due to extrusion deformation. The film layer is curved at the top and is bent outward to form a hanging groove. The inner paper cup and the outer paper cup are fixed by being pasted on both sides of the hanging groove, so that the adhesive of the paper cup is prevented from being contacted by the liquid due to bad use habit, and the hanging groove is extruded to form an oil bottle cup shape during the process of biting the cup mouth by the user, which is more convenient for the user to drink.

[0017] The parts not involved in the device are the same as or can be realized by the prior art. The utility model has the advantages of simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a whole structure schematic diagram of a double-layer plastic-free degradable film-coated paper cup;

[0019] Figure 2 The utility model provides a side view cross-sectional structure schematic diagram of a double-layer plastic-free degradable film-coated paper cup;

[0020] Figure 3The utility model provides a kind of double layer no plastic degradable film laminated paper cup's paper tube's three-dimensional structure schematic diagram.

[0021] Figure 4 The utility model provides a kind of double layer no plastic degradable film laminated paper cup's film-coated layer's side view cross section structure schematic diagram.

[0022] In the drawing: 1, outer layer paper cup;2, inner layer paper cup;3, film-coated layer;4, pre-penetrating layer;5, closed paper sheet;6, support paper sheet;7, paper tube;8, support paperboard;9, support groove;10, air hole;11, hanging groove;12, viscose. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner" and "outer" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0025] Embodiment: a kind of double layer no plastic degradable film laminated paper cup, as Figure 1 - Figure 4 As shown in the drawing, it includes outer layer paper cup 1, inner wall of outer layer paper cup 1 is fixedly provided with inner layer paper cup 2, inner wall of inner wall paper cup is fixedly provided with film-coated layer 3, the lower surface of outer layer paper cup 1 is provided with a plurality of pre-penetrating layers 4, the inner wall of pre-penetrating layer 4 is movably provided with closed paper sheet 5, the inner wall bottom end of outer layer paper cup 1 is fixedly provided with support paper sheet 6, the top end of film-coated layer 3 is curved, and is bent to form hanging groove 11 to the outside, one side of hanging groove 11 is connected with inner layer paper cup 2, the other side of hanging groove 11 is fixedly connected with outer layer paper cup 1, the top end of support paper sheet 6 is fixedly provided with paper tube 7, the top end of paper tube 7 is fixedly provided with support paperboard 8, the top end of support paperboard 8 is provided with support groove 9, because of the problem of use habit, often like to bite cup mouth during drinking, and cup mouth because of extrusion deformation leads to existence broken condition, film-coated layer 3 is curved at top end, and is bent to form hanging groove 11 to the outside, in the process that user bites cup mouth, hanging groove 11 is extruded to form oil bottle cup mouth shape, more convenient for user to drink.

[0026] As Figure 1 - Figure 4As shown, the inner diameter of the support groove 9 is the same as the bottom end of the inner layer paper cup 2, the support groove 9 is clamped with the bottom end of the inner layer paper cup 2, the surface of the support paperboard 8 is provided with a plurality of air holes 10, the material of the support paperboard 8 and the paper tube 7 should be reinforced hard paper, which has certain toughness, the bottom end of the support paperboard 8 is supported by a straight cylinder, and a plurality of air holes 10 are provided on the surface of the support paperboard 8 around the support groove 9, which increases the air contact degree of the inner layer paper cup 2 to a certain extent, and blocks the contact with the outer layer paper cup 1, so that the user will not feel the temperature of the liquid when holding the whole cup body.

[0027] As shown in the drawings, Figure 1 Figure 3 As shown, the material of the film layer 3 should be starch-based material or seaweed fresh-keeping film edible film material, the top curved side of the film layer 3 is annular and forms a hanging groove 11, the bottom end of the hanging groove 11 is attached on both sides of the adhesive 12, the adhesive 12 should be food grade, the adhesive 12 is attached to the outer layer paper cup 1 and the inner layer paper cup 2 on both sides, the outer side of the outer layer paper cup 1 is attached and fixed with the hanging groove 11, the inner side of the inner layer paper cup 2 is attached and fixed with the hanging groove 11, the film layer 3 is curved at the top and bent outward to form the hanging groove 11, which is used to paste and fix the inner layer paper cup 2 and the outer layer paper cup 1 inside the hanging groove 11, so as to avoid the liquid contacting the adhesive 12 of the paper cup due to bad use habits.

[0028] Working principle: during use, the liquid in the cup is inverted, since the film layer is installed in the inner layer paper cup, the inner layer paper cup is supported by the paper tube and the support paperboard at the bottom end of the outer layer paper cup inner wall, which keeps isolation with the inner layer paper cup, avoids temperature conduction of the inner layer paper cup, at the same time, when cooling is needed, the closed paper sheet fixed by the pre-penetration layer is torn, so that the outside air can contact the surface of the inner layer paper cup, which is convenient and fast for cooling, at the same time, the top of the film layer is bent to adapt to the lips, which is convenient for the younger users to adapt to the shape of the mouth when biting the cup mouth, and is convenient for drinking.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.​

Claims

1. A double-layer plastic-free biodegradable film-coated paper cup, comprising an outer paper cup (1), characterized in that, The inner wall of the outer paper cup (1) is fixedly provided with an inner paper cup (2), and the inner wall of the inner paper cup is fixedly provided with a film layer (3). The lower surface of the outer paper cup (1) is provided with several pre-penetrating layers (4). The inner wall of the pre-penetrating layer (4) is movably provided with a sealing paper sheet (5). The bottom end of the inner wall of the outer paper cup (1) is fixedly provided with a supporting paper sheet (6). The top of the film layer (3) is curved and bent outward to form a hanging groove (11). One side of the hanging groove (11) is connected to the inner paper cup (2), and the other side of the hanging groove (11) is fixedly connected to the outer paper cup (1).

2. The double-layer plastic-free biodegradable film-coated paper cup according to claim 1, characterized in that, A paper tube (7) is fixedly provided at the top of the supporting paper sheet (6), and a supporting cardboard (8) is fixedly provided at the top of the paper tube (7). A supporting groove (9) is provided at the top of the supporting cardboard (8).

3. The double-layer plastic-free biodegradable film-coated paper cup according to claim 2, characterized in that, The inner diameter of the support groove (9) is the same as the bottom end of the inner paper cup (2), the support groove (9) engages with the bottom end of the inner paper cup (2), and the surface of the support cardboard (8) is provided with several ventilation holes (10).

4. The double-layer plastic-free biodegradable film-coated paper cup according to claim 3, characterized in that, The supporting cardboard (8) and paper tube (7) should be made of reinforced hard paper with a certain degree of toughness.

5. A double-layer plastic-free biodegradable film-coated paper cup according to claim 4, characterized in that, The coating layer (3) should be made of starch-based material or seaweed preservation film edible film material.

6. A double-layer plastic-free biodegradable film-coated paper cup according to claim 5, characterized in that, The top of the coating layer (3) is curved and ring-shaped when viewed from the side, forming a hanging groove (11). Adhesive (12) is attached to both sides of the bottom end of the hanging groove (11). The adhesive (12) should be food grade. The two sides of the adhesive (12) are attached to the outer paper cup (1) and the inner paper cup (2).

7. A double-layer plastic-free biodegradable film-coated paper cup according to claim 6, characterized in that, The outer paper cup (1) is attached and fixed to the outside of the hanging groove (11), and the inner paper cup (2) is attached and fixed to the inside of the hanging groove (11).