Double-layer paper cup

By setting matching patterns on the inner and outer layers of the double-layered paper cup and making the outer cup body rotatable, combined with printing, cutout and snap-fit ​​structure design, the problem of poor pattern presentation in double-layered paper cups is solved, improving user experience and environmental friendliness.

CN223687050UActive Publication Date: 2025-12-19ZHUHAI ZHONGYUE PAPER CUP CONTAINER CO LTD
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Patent Information

Application Number
CN202422944006.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-19
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing double-layer paper cups have poor pattern presentation, lack interactivity and fun, and result in a poor consumer experience.

Method used

The inner cup and the transparent outer cup are respectively set with matching pattern one and pattern two, and the transparent outer cup can rotate around the inner cup. The transparent outer cup adopts a printed or hollowed-out design, combined with a snap-fit ​​structure and a partition design to enhance interactivity and a sense of layering.

Benefits of technology

By enhancing the interactivity and depth of the patterns, the user experience is improved. At the same time, the transparent outer cup body is biodegradable, environmentally friendly, and easy to recycle, extending its service life and enhancing the product's innovation and fun.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of articles for daily use, in particular to a double-layer paper cup. The double-layer paper cup comprises an inner-layer cup body and a transparent outer-layer cup body rotationally arranged outside the inner-layer cup body, a first pattern is printed on the inner-layer cup body, a second pattern matched with the first pattern is arranged on the transparent outer-layer cup body, and the transparent outer-layer cup body is made of degradable transparent materials; the inner-layer cup body comprises an inner-layer cup body, an inner-layer cup bottom and a containing cavity formed by the inner-layer cup body and the inner-layer cup bottom, the transparent outer-layer cup body comprises a transparent outer-layer cup body, and the upper end of the transparent outer-layer cup body is rotationally connected with the upper end of the inner-layer cup body. The lower end of the outer-layer cup body extends towards the inner-layer cup body and is attached to the inner-layer cup body, the upper end of the inner-layer cup body is annularly provided with an upper rolling opening which is rolled outwards, the upper end of the transparent outer-layer cup body is connected into the upper rolling opening in a clamped mode, and the inner-layer cup body is connected with the lower end of the transparent outer-layer cup body in a clamped mode through a clamping structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to life article technical field especially, relate to a double -deck paper cup. BACKGROUND

[0002] Double -deck paper cup with its superior performance and convenient use mode, in catering, family, office etc. Many fields have obtained the extensive application, and along with people's consumption level improvement and environmental protection consciousness enhancement, the demand of double -deck paper cup is also increasing unceasingly, however, the existing double -deck paper cup, pattern generally only prints in the outer cup, the inner cup does not carry out printing pattern, the overall pattern presentation effect is poor, and the interactivity is poor, and the consumer experience is relatively bad. Based on this, present and put forward a kind of double -deck paper cup solution of inner and outer cup interactive, consumer experience good. SUMMARY

[0003] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and become apparent from the description, or be learned by practicing the present utility model. The objectives and other advantages of the present utility model can be realized and obtained by the structure specially pointed out in the description and other accompanying drawings of the description.

[0004] The utility model discloses a double -deck paper cup.

[0005] The utility model discloses a double -deck paper cup, including inner cup body, the transparent outer cup body of rotation setting in the inner cup body, the inner cup body prints pattern one, the transparent outer cup body is provided with the pattern two of matching with pattern one.

[0006] The utility model discloses a double -deck paper cup.

[0007] In some embodiments, the transparent outer cup body is formed by printing or hollowing out to form the pattern two matching the pattern one. The transparent outer cup body adopts the form of printing or hollowing out to design the pattern two, so that the interactivity and interestingness between the pattern two and the pattern one are stronger.

[0008] In some embodiments, the inner layer cup includes an inner layer cup body, an inner layer cup bottom, and a containing cavity formed by the inner layer cup body and the inner layer cup bottom, the transparent outer layer cup includes a transparent outer layer cup body, an upper end of the transparent outer layer cup body is rotationally connected to an upper end of the inner layer cup body, and a lower end of the outer layer cup body extends to and is attached to the inner layer cup body. The rotational connection between the upper end of the transparent outer layer cup body and the upper end of the inner layer cup body allows the transparent outer layer cup to rotate around the inner layer cup, thereby enhancing the interactivity.

[0009] In some embodiments, an upper rolled edge is arranged around the upper end of the inner layer cup body, and the upper end of the transparent outer layer cup body is clamped in the upper rolled edge. The upper rolled edge clamps the upper end of the transparent outer layer cup body, thereby making the transparent outer layer cup more firmly rotate around the inner layer cup.

[0010] In some embodiments, a hand holding portion is further arranged between the lower end of the transparent outer layer cup body and the lower end of the inner layer cup body or on the lower part of the transparent outer layer cup body. The hand holding portion facilitates the user to hold the paper cup. When the hand holding portion is arranged below the lower end of the transparent outer layer cup body, the user can rotate the transparent outer layer cup while holding the paper cup, thereby making the paper cup more interesting. When the hand holding portion is arranged on the transparent outer layer cup body, the hand holding portion can serve as a heat insulation and anti-scalding part.

[0011] In some embodiments, a lower rolled edge is arranged around the lower end of the transparent outer layer cup body, and the lower rolled edge abuts against the outer wall of the inner layer cup body, so as to form a partition between the inner layer cup and the outer layer cup. The partition increases the level difference between the transparent outer layer cup body and the inner layer cup body, and can serve as a heat insulation and anti-scalding part. Preferably, the thickness of the partition is 0.5-2.5 mm, so that the partition has a certain cavity inside.

[0012] In some embodiments, the thickness of the transparent outer layer cup body is 50-500 um. The thickness of the transparent outer layer cup body affects the transparency and stiffness of the transparent outer layer cup body, and further affects the presentation of the pattern and effect. Therefore, the thickness of the transparent outer layer cup body is 50-500 um, which can be 50 um, 100 um, 150 um, 200 um, 250 um, 300 um, 350 um, 400 um, 450 um, or 500 um, or a value within a range obtained by combining any two of the above values. The thickness can be adjusted according to the needs or actual conditions.

[0013] In some embodiments, the hand holding part is provided with anti-skid stripes, and the height of the hand holding part is 30-100 mm. The anti-skid stripes form friction with the hand, so that the paper cup is not easy to slip when holding, and the height of the hand holding part is designed according to the holding habit of people, and is optionally 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, 65 mm, 70 mm, 75 mm, 80 mm, 85 mm, 90 mm, 95 mm, or 100 mm, or a value within a range obtained by combining any two of the above values, which can be adjusted according to needs or actual conditions.

[0014] In some embodiments, the transparent outer layer cup body is a high-transparency paper cup body, a semi-transparent paper cup body, an acetate film cup body, or a cellulose film cup body. The transparent outer layer cup body is made of a degradable transparent material, which is environmentally friendly, non-polluting, and easy to recycle. Preferably, the transparency of the transparent outer layer cup body is 45%-95%, which can produce different visual effects between the pattern one and the pattern two, and improve the product innovation and interest.

[0015] In some embodiments, the lower end of the transparent outer layer cup body is provided with an annular protrusion, and the inner layer cup body is provided with an annular groove matched with the annular protrusion. The matching design of the annular protrusion and the annular groove enhances the firmness of the transparent outer layer cup body and the inner layer cup body and the stability during rotation.

[0016] By adopting the above technical scheme, the utility model has the advantages of:

[0017] 1. The utility model discloses a pattern one and a pattern two are arranged on the inner layer cup body and the transparent outer layer cup body respectively, and the transparent outer layer cup body can rotate around the inner layer cup body, which enhances the level, interactivity and interest of the pattern one and the pattern two, and improves the user experience.

[0018] 2. The utility model discloses a clamping structure of a clamping column and a clamping groove between the upper end of the inner layer cup body and the upper end of the transparent outer layer cup body, and a clamping structure of an annular protrusion and an annular groove between the lower end of the transparent outer layer cup body and the inner layer cup body, which makes the transparent outer layer cup body more firm when rotating and prolongs the service life.

[0019] 3. The utility model discloses a transparent outer layer cup body made of a degradable transparent material. Different materials have different transparencies, and by setting the distance of the interlayer and / or matching the operation method such as rotating or pressing the outer layer cup body, different visual effects can be produced on the pattern one and the pattern two, which improves the product innovation and interest. Meanwhile, the degradable transparent material is environmentally friendly, non-polluting and easy to recycle, which is very friendly to the environment.

[0020] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0021] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0022] For the above and other objects, features and advantages of the present application, refer to the detailed description and to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and together with the description serve to explain the present application, and do not limit the present application.

[0024] In the drawings, the same components have the same reference numbers, and the drawings are schematic and are not necessarily drawn to scale.

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, hereinafter the drawings needed to be used in the embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute one or several embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 Structure diagram of a double-layer paper cup in some embodiments of the present application;

[0027] Figure 2 Structure diagram of a double-layer paper cup in some embodiments of the present application;

[0028] Figure 3 Structure diagram of a double-layer paper cup in some embodiments of the present application;

[0029] Figure 4 Structure diagram of a double-layer paper cup in some embodiments of the present application;

[0030] Figure 5 Structure diagram of a double-layer paper cup in some embodiments of the present application;

[0031] Main drawing mark explanation:

[0032] 1, inner cup body; 11, inner cup body; 12, inner cup bottom; 13, upper rolling mouth; 14, annular groove; 15, pattern one;

[0033] 2. transparent outer cup body; 21. transparent outer cup body; 22. lower curled lip; 23. annular convex strip; 24. pattern two;

[0034] 3. hand holding part;

[0035] 4. partition. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the utility model more clearly and clearly, the utility model is further described in detail below in combination with specific implementation manners. It should be understood that the specific implementation manners described herein are only used to explain the utility model, but not used to limit the utility model.

[0037] In addition, in the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like 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 therefore cannot be understood as a limitation on the utility model.

[0038] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication or interaction relationship between two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through a transition structure, but is connected to form a whole only through a connection structure. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the specification, the description of the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Referring to Figures 1-2 , Figure 5 , Figure 1 It is a structure diagram of a double-layer paper cup in some embodiments of the utility model; Figure 2 It is a sectional view of a double-layer paper cup in some embodiments of the utility model; Figure 5 It is a structure diagram of a transparent outer cup body being hollowed out in some embodiments of the utility model.

[0041] According to some embodiments of the utility model, the utility model provides a double-layer paper cup, which comprises an inner cup body 1, a transparent outer cup body 2 rotatably arranged outside the inner cup body 1, the inner cup body 1 is printed with a pattern one 15, and the transparent outer cup body 2 is provided with a pattern two 24 matched with the pattern one 15.

[0042] The utility model discloses a pattern one 15 and a pattern two 24 are arranged on the inner cup body 1 and the transparent outer cup body 2 respectively, and the transparent outer cup body 2 can rotate around the inner cup body 1, which enhances the level, interactivity and interestingness of the pattern one 15 and the pattern two 24, and further improves the user experience.

[0043] In some embodiments, the transparent outer cup body 2 forms the pattern two 24 matched with the pattern one 15 by printing or being hollowed out. The transparent outer cup body 2 designs the pattern two 24 in the form of printing or being hollowed out, so that the interactivity and interestingness between the pattern two 24 and the pattern one 15 are stronger.

[0044] According to some embodiments of the utility model, optionally, the inner cup body 1 comprises an inner cup body 11, an inner cup bottom 12 and a containing cavity formed by the inner cup body 11 and the inner cup bottom 12, the transparent outer cup body 2 comprises a transparent outer cup body 21, the upper end of the transparent outer cup body 21 is rotatably connected with the upper end of the inner cup body 11, and the lower end of the outer cup body extends to the inner cup body 11 and is attached to the inner cup body 11. The rotatable connection design of the upper end of the transparent outer cup body 21 and the upper end of the inner cup body 11 makes the transparent outer cup body 2 rotatable around the inner cup body 1, and enhances the interactivity.

[0045] According to some embodiments of the utility model, optionally, the upper end of the inner cup body 11 is annularly provided with an outwardly rolled upper roll 13, and the upper end of the transparent outer cup body 21 is clamped in the upper roll 13. The upper roll 13 clamps the upper end of the transparent outer cup body 21, so that the transparent outer cup body 2 is more firm when rotating around the inner cup body 1.

[0046] According to some embodiments of the utility model, optionally, the lower end of the transparent outer cup body 21 is provided with an inwardly rolled lower edge 22, and the lower edge 22 is abutted on the outer wall of the inner cup body 11, so that the inner cup body 11 and the transparent outer cup body 21 form a partition layer 4. The partition layer 4 increases the level between the transparent outer cup body 21 and the inner cup body 11, and can play a heat insulation and anti-scald effect. Preferably, the thickness of the partition layer 4 is 0.5-2.5mm, so that the partition layer 4 has a certain cavity inside.

[0047] According to some embodiments of the utility model, optionally, the thickness of the transparent outer cup body 2 is 50-500um. The thickness of the transparent outer cup body 2 will affect its transparency and stiffness, and then affect the presentation of the pattern 1 effect, therefore, the thickness of the transparent outer cup body 2 is 50-500um, optionally, the thickness is 50um, 100um, 150um, 200um, 250um, 300um, 350um, 400um, 450um, 500um, or the value is within the range obtained by combining any two of the above values, which can be adjusted according to needs or actual conditions.

[0048] According to some embodiments of the utility model, optionally, the transparent outer cup body 2 is a high-transparency paper cup body, a translucent paper cup body, an acetate fiber film cup body or a cellulose film cup body. The transparent outer cup body 2 adopts a degradable transparent material, which is environmentally friendly, non-polluting and easy to recycle. Preferably, the transparency of the transparent outer cup body is 45%-95%, which can produce different visual effects between the pattern 1 and the pattern 2, and improve the product innovation and interestingness.

[0049] Referring to Figures 3-4 , Figure 3 It is another structural schematic view of the double-layer paper cup in some embodiments of the utility model; Figure 4 It is still another structural schematic view of the double-layer paper cup in some embodiments of the utility model.

[0050] According to some embodiments of the utility model, optionally, it further includes a hand holding part 3, and the hand holding part 3 is located between the lower end of the transparent outer cup body 21 and the lower end of the inner cup body 11 or is located at the lower part of the transparent outer cup body 21. The setting of the hand holding part 3 is beneficial to the user to hold the paper cup, and when the hand holding part is set below the lower end of the transparent outer cup body 21, it is beneficial to the user to hold the paper cup and rotate the transparent outer cup body 2, which is more interesting. When the hand holding part 3 is set in the transparent outer cup body 21, it can play a heat insulation and anti-scald effect.

[0051] According to some embodiments of the present application, the hand holding part 3 is provided with anti-skid stripes, and the height of the hand holding part 3 is 30-100mm. The anti-skid stripes form friction with the hand, so that the hand is not easy to slip when holding the paper cup, and the height of the hand holding part 3 is designed to be consistent with the holding habit of people, and the height is 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, or the value is within the range obtained by combining any two of the above values, which can be adjusted according to the needs or actual conditions.

[0052] According to some embodiments of the present application, the lower end of the transparent outer cup body 21 is provided with an annular convex strip 23, and the inner cup body 11 is provided with an annular groove 14 matched with the annular convex strip 23. The matching design of the annular convex strip 23 and the annular groove 14 enhances the firmness of the transparent outer cup body 2 and the inner cup body 1 and the stability during rotation.

[0053] Embodiment 1

[0054] Referring to Figures 1-2 , Figure 5 , the embodiment provides a double-layer paper cup, which comprises an inner cup body 1 and a transparent outer cup body 2 rotatably arranged outside the inner cup body 1, the transparent outer cup body 2 is a high-transparency paper material cup body, a semi-transparent paper material cup body, an acetate film cup body or a cellulose film cup body, the inner cup body 1 is printed with a pattern one 15, and the transparent outer cup body 2 is provided with a pattern two 24 matched with the pattern one 15.

[0055] Specifically, the inner cup body 1 comprises an inner cup body 11, an inner cup bottom 12 and a containing cavity formed by the inner cup body 11 and the inner cup bottom 12, the transparent outer cup body 2 comprises a transparent outer cup body 21, the upper end of the transparent outer cup body 21 is rotatably connected with the upper end of the inner cup body 11, preferably, the upper end of the inner cup body 11 is annularly provided with an outwardly rolled upper rolled edge 13, the upper end of the transparent outer cup body 21 is clamped in the upper rolled edge 13, the lower end of the transparent outer cup body 21 extends to the inner cup body 11 and is attached to the inner cup body 11, preferably, the lower end of the transparent outer cup body 21 is annularly provided with an inwardly rolled lower rolled edge 22, the lower rolled edge 22 abuts on the outer wall of the inner cup body 11, so that a partition layer 4 is formed between the inner cup body 11 and the transparent outer cup body 21, preferably, the thickness of the partition layer 4 is 0.5-2.5mm, so that the partition layer 4 has a certain cavity inside, the hand holding part 3 is formed between the lower end of the transparent outer cup body 21 and the lower end of the inner cup body 11, and the hand holding part 3 is provided with anti-skid stripes.

[0056] Further, the thickness of the transparent outer cup body 2 is 50-500 um, and the height of the hand-holding part 3 is 30-100 mm. In the embodiment, the thickness of the transparent outer cup body 2 is 50 um, and the transparency is high, and the pattern presentation effect is good. The height of the hand-holding part is preferably 30 mm. When the paper cup is held, the transparent outer cup body 21 can be rotated, the interaction of the pattern one 15 and the pattern two 24 is realized, and the interest is enhanced.

[0057] Embodiment 2

[0058] With reference to Figure 1 The embodiment provides a double-layer paper cup, and the difference between the embodiment and the embodiment 1 is that:

[0059] The transparent outer cup body 2 is formed with the pattern two 24 matched with the pattern one 15 by printing. The pattern two 24 can be a complete pattern, and can be interesting with the pattern one 15. The pattern two 24 can also be a part of the pattern one 15, and the pattern one 15 and the part form a complete pattern.

[0060] Embodiment 3

[0061] With reference to Figure 5 The embodiment provides a double-layer paper cup, and the difference between the embodiment and the embodiment 1 is that:

[0062] The transparent outer cup body 2 is formed with the pattern two 24 matched with the pattern one 15 by hollowing. In order to increase the interest, the hollow design can be diversified. For example, the hollow design part can make the pattern one 15 completely present. At this time, the pattern one 15 and the hollow part constitute the pattern two 24. For another example, the hollow design part can make part of the pattern one 15 present. The part of the pattern one 15 presents the pattern two 24.

[0063] Embodiment 4

[0064] With reference to Figure 4 The embodiment provides a double-layer paper cup, and the difference between the embodiment and the embodiment 1 or the embodiment 2 or the embodiment 3 is that:

[0065] The lower part of the transparent outer cup body 21 forms the hand-holding part 3. In the embodiment, the lower end of the transparent outer cup body 21 is coincided with the lower end of the inner cup body 11, so that the pattern presentation area is larger. At the same time, when the paper cup is held, the heat insulation and anti-scald effects are realized. The thickness of the transparent outer cup body 2 is preferably 500 um, the stiffness is better, the holding is convenient, and the pattern effect is not affected. The height of the hand-holding part is preferably 100 mm, the interaction space of the pattern one and the pattern two can be ensured, and the holding is better.

[0066] Embodiment 5

[0067] With reference to Figures 3-4The embodiment provides a double-layer paper cup, and the difference between the embodiment and the embodiment 1 or the embodiment 2 or the embodiment 3 or the embodiment 4 lies in that:

[0068] The lower end of the transparent outer cup body 21 is provided with an annular convex strip 23, and the inner cup body 11 is provided with an annular groove 14 matched with the annular convex strip 23, and the cooperation of the annular convex strip 23 and the annular groove 14 enhances the firmness of the transparent outer cup body 2 and the inner cup body 1 and the stability in the rotating process.

[0069] It should be understood that the embodiments disclosed in the utility model are not limited to the specific processing steps or materials disclosed herein, but should extend to such equivalent alternatives of the features understood by those skilled in the related art. It should also be understood that the terms used herein are only for the purpose of describing the specific embodiments and do not mean limitation.

[0070] The "embodiment" mentioned in the specification means that the specific features or characteristics described in combination with the embodiment are included in at least one embodiment of the utility model. Therefore, the phrase or "embodiment" appearing throughout the specification does not necessarily mean the same embodiment.

[0071] In addition, the described features or characteristics can be combined into one or more embodiments in any other suitable way. In the above description, some specific details, such as thickness, number, etc., are provided to provide a comprehensive understanding of the embodiments of the utility model. However, those skilled in the related art will understand that the utility model can be implemented without the above one or more specific details or can be implemented by using other methods, components, materials, etc.

Claims

1. A double-walled paper cup, characterized in that, The cup comprises an inner cup body, a transparent outer cup body rotatably arranged outside the inner cup body, the inner cup body is printed with a pattern one, the transparent outer cup body is provided with a pattern two matched with the pattern one, and the transparent outer cup body is made of degradable transparent material; The inner cup body comprises an inner cup body, an inner cup bottom and a containing cavity formed by the inner cup body and the inner cup bottom, the transparent outer cup body comprises a transparent outer cup body, the upper end of the transparent outer cup body is rotatably connected with the upper end of the inner cup body, the lower end of the outer cup body extends to the inner cup body and is attached to the inner cup body, The upper end of the inner cup body is annularly provided with an outwardly rolled upper rolled edge, the upper end of the transparent outer cup body is clamped in the upper rolled edge, and the lower end of the inner cup body and the transparent outer cup body is clamped by clamping structure.

2. A double-walled paper cup according to claim 1, characterized in that The transparent outer cup body is formed by printing or hollowing to form the pattern two matched with the pattern one.

3. A double-walled paper cup according to claim 1, wherein It also comprises a hand holding part, which is located between the lower end of the transparent outer cup body and the lower end of the inner cup body or the lower part of the transparent outer cup body.

4. A double-walled paper cup according to claim 1, wherein The lower end of the transparent outer cup body is annularly provided with an inwardly rolled lower rolled edge, the lower rolled edge abuts on the outer wall of the inner cup body, so that the inner cup and the outer cup form a partition.

5. A double-walled paper cup according to claim 1 or 2, characterized in that The thickness of the transparent outer cup body is 50-500um.

6. A double-walled paper cup according to claim 3, wherein The hand holding part is provided with anti-skid stripes, and the height of the hand holding part is 30-100mm.

7. A double-walled paper cup according to claim 1 or 2, characterized in that The transparent outer cup body is a high transparent paper cup, a semi-transparent paper cup, an acetate film cup or a cellulose film cup.

8. A double-walled paper cup according to claim 1, wherein The lower end of the transparent outer cup body is provided with an annular convex strip, and the inner cup body is provided with an annular groove matched with the annular convex strip.