Paper container

CN222539249UActive Publication Date: 2025-02-28DONGGUAN LIANXIN TECH CO LTD
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Patent Information

Application Number
CN202323668559.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2025-02-28
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

Traditional paper containers have poor performance in terms of waterproof, anti-slip, high temperature resistance, etc., and it is difficult to meet the requirements of disposable paper tea cups.

Method used

A paper container is made of water mold wet pressing integrated injection molding. The inner wall and outer wall of the cup body are sprayed with different colors of food-grade waterproof materials to form an inner waterproof layer and an outer waterproof layer. The outer waterproof layer is sprayed with anti-slip pattern shapes, and anti-scalding bulges are provided at the bottom of the inner cavity of the cup body.

Benefits of technology

The waterproof, high temperature and anti-slip properties of paper containers are achieved, increasing the aesthetics and attractiveness of the containers. At the same time, due to the use of pulp or plant fibers, the container is light, easy to carry, environmentally friendly and low-cost.

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Abstract

The utility model relates to the technical field of paper products, in particular to a paper container which comprises a cup body integrally formed by water mold wet pressing in an injection molding mode, waterproof auxiliaries are added in the injection molding process of the cup body, and an anti-scalding protrusion integrally formed with the cup body is arranged at the bottom of an inner cavity of the cup body. According to the utility model, the inner wall and the outer wall of the cup body are respectively coated with the food-grade waterproof materials with different colors to form the inner waterproof layer and the outer waterproof layer with different colors, and the outer layer of the outer waterproof layer is coated with the anti-slip pattern shape, so that the cup body has the characteristics of water resistance and high temperature resistance, the anti-slip property of the surface of the container is improved, and the service life of the container is prolonged. The anti-slip structure is formed, so that the container is easier to hold and carry, meanwhile, the container is integrally formed by paper pulp or plant fibers in an injection molding mode and is light, easy to carry, environmentally friendly and low in cost, and the anti-scald effect can be effectively achieved due to the fact that the anti-scald protrusions are arranged at the bottom of the inner cavity of the cup body.
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Description

Technical Field

[0001] The utility model relates to the technical field of paper products, in particular to a paper container. Background Art

[0002] Traditional paper containers are generally made of pulp or plant fiber materials. Although they have the advantages of being light, easy to carry, and recyclable, they have poor performance in terms of waterproofing, anti-skid, and high temperature resistance, and are difficult to meet the use requirements of disposable paper tea cups. In order to solve these problems, some technologies use a method of coating the surface of pulp or plant fiber materials to improve their waterproofing, anti-skid, and high temperature resistance. However, there are still some problems with the coating treatment of existing paper containers. For example, the effects of the first coating and the second coating are different, that is, the technical effects of waterproofing and improving hardness, food grade, and high temperature resistance are different, so the use of different coatings for spraying can control costs.

[0003] In summary, the utility model solves the existing problems by designing a paper container. Utility Model Content

[0004] The purpose of the utility model is to provide a paper container to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A paper container, comprising a cup body formed by wet-pressing injection molding using a water mold, wherein a waterproof auxiliary agent is added during the injection molding process of the cup body, and an anti-scalding protrusion formed integrally with the cup body is provided at the bottom of the inner cavity of the cup body, wherein the anti-scalding protrusion is a raised circular shape, and the distance between the outer wall of the circle and the inner wall of the cup body is 5-6 mm, and the distance between the end face of the anti-scalding protrusion and the bottom of the inner cavity of the cup body is 3-4 mm.

[0007] As a preferred solution of the utility model, the inner wall and the outer wall of the cup body are respectively sprayed with food-grade waterproof materials of different colors to form inner and outer waterproof layers of different colors, wherein the inner surface of the inner waterproof layer is a smooth surface, and the outer layer of the outer waterproof layer is sprayed with an anti-slip pattern. The food-grade waterproof material is a nano-grade material, specifically polypropylene, polyvinyl alcohol or carboxymethyl cellulose.

[0008] As a preferred solution of the utility model, the cup body is made of pulp or plant fiber, and the cup body is provided with an opening. The inner diameter of the cup body gradually decreases from the opening to the bottom of the cup body, forming a shape that is wide at the top and narrow at the bottom.

[0009] As a preferred solution of the utility model, the inner wall of the cup body is arranged to transition in an arc shape toward the opening.

[0010] As a preferred solution of the utility model, a convex block is fixedly provided at the bottom of the cup body, and the convex block is circular, wherein diamond-shaped or triangular notches are evenly opened on the circular convex block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, food-grade waterproof materials of different colors are sprayed on the inner wall and the outer wall of the cup body respectively to form an inner waterproof layer and an outer waterproof layer of different colors, and an anti-skid pattern is sprayed on the outer layer of the outer waterproof layer, so that the cup body has the characteristics of being waterproof and high temperature resistant, and the anti-skid property of the surface of the container is increased to form an anti-skid structure, making the container easier to hold and carry, and the randomly distributed patterns can enhance the beauty and attractiveness of the container. At the same time, pulp or plant fiber is used for integral injection molding, which is light, easy to carry, environmentally friendly and low-cost, and anti-scalding protrusions are arranged at the bottom of the inner cavity of the cup body to effectively prevent scalding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 Left view structural diagram.

[0015] In the figure: 1. cup body; 2. inner waterproof layer; 3. outer waterproof layer; 4. opening; 5. convex block; 101. anti-scalding convex block. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0018] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0020] For examples, see Figure 1-2 , the utility model provides a technical solution:

[0021] A paper container comprises a cup body 1 which is integrally injection molded by wet pressing of a water mold, and its function is to reduce production steps, improve production efficiency, and thus reduce production costs, wherein a waterproof auxiliary agent is added during the injection molding process of the cup body 1, and an anti-scalding protrusion 101 which is integrally molded with the cup body 1 is provided at the bottom of the inner cavity of the cup body 1, wherein the anti-scalding protrusion 101 is a raised circular shape, and the distance between the outer wall of the circle and the inner wall of the cup body 1 is 5-6 mm, and the distance between the end face of the anti-scalding protrusion 101 and the bottom of the inner cavity of the cup body 1 is 3-4 mm, and the anti-scalding protrusion 101 has an anti-scalding effect.

[0022] As a further preferred solution of the present invention, the inner wall and outer wall of the cup body 1 are respectively sprayed with food-grade waterproof materials of different colors to form an inner waterproof layer 2 and an outer waterproof layer 3 of different colors. Different colors are sprayed at different prices, which can achieve the beneficial effect of controlling costs and reduce production costs.

[0023] Furthermore, the inner surface of the inner waterproof layer 2 is a smooth surface. Its function is that since the inner surface has no microscopic concave-convex structure, the smooth surface makes it difficult for dirt and bacteria to adhere, which makes it easier to clean the cup and more hygienic. The smooth inner surface reduces irritation to the oral cavity, making the process of drinking tea or other beverages more comfortable.

[0024] The outer layer of the outer waterproof layer 3 is sprayed with an anti-slip pattern. Its function is that the spray-formed pattern can form a certain texture on the surface of the cup body 1, increase the anti-slip property of the container surface, and make the container easier to hold and carry; the randomly distributed pattern can form a unique appearance on the container surface, enhance the beauty and attractiveness of the container; the spray-formed pattern can form a certain protective layer on the container surface, increase the durability and service life of the container.

[0025] Food-grade waterproof materials are nano-grade materials, specifically polypropylene, polyvinyl alcohol or carboxymethyl cellulose;

[0026] Furthermore, the food-grade waterproof material is a nano-grade material, specifically polypropylene, polyvinyl alcohol or carboxymethyl cellulose;

[0027] Polypropylene is a safe and reliable material with good waterproof and oil-proof properties. In addition, polypropylene also has good high temperature resistance and can withstand high temperatures, so it can be used as a waterproof disposable paper teacup. After spraying, through its waterproofness and the shape of the cup body 1, it can achieve the effect of holding liquids.

[0028] Polyvinyl alcohol is a safe and reliable material with good waterproof and oil-proof properties. It can form a thin film on the surface of the paper cup to prevent water or oil from penetrating into the paper cup, keeping the paper tea cup dry and hygienic.

[0029] Carboxymethyl cellulose is a food-grade waterproof material with good waterproof and oil-proof properties. It can form a thin film on the surface of the paper cup to prevent water or oil from penetrating into the paper cup, keeping the paper cup dry and hygienic.

[0030] As a further preferred solution of the utility model, the cup body 1 is made of pulp or plant fiber, which has the function that pulp and plant fiber are both renewable resources, and using these materials to make the cup body 1 can reduce the consumption of natural resources and reduce the damage to the environment; the density of pulp and plant fiber is low, and compared with traditional plastic materials, using these materials to make the cup body 1 can be lighter, easier to carry and operate; the cost of pulp and plant fiber is relatively low, and using these materials to make the cup body 1 can reduce production costs and improve market competitiveness; pulp and plant fiber have certain heat insulation properties, and using these materials to make the cup body 1 can reduce heat transfer and maintain the temperature of the beverage; pulp and plant fiber can be naturally degraded under certain conditions, and using these materials to make the cup body 1 can reduce pollution to the environment. For example, bamboo fiber has high strength and durability, and can be made into a sturdy and non-deformable paper tea cup. In addition, bamboo fiber also has good air permeability and heat resistance, which can keep the paper tea cup in shape and function.

[0031] The cup body 1 is provided with an opening 4, and the inner diameter of the cup body 1 gradually decreases from the opening 4 to the bottom of the cup body 1, forming a shape that is wide at the top and narrow at the bottom, which has the function of providing a better grip: the design of the cup body 1 that is wide at the top and narrow at the bottom makes it fit the palm of the hand better when holding the cup, and is not easy to slip, providing a better grip. Better visual effect: the design of the cup body 1 that is wide at the top and narrow at the bottom can better display the liquid in the cup, making the color and layers of the tea or beverage clearer, and having a better visual effect. Better cleaning effect: the design of the cup body 1 that is wide at the top and narrow at the bottom makes it easier to contact the inner wall 2 of the cup body when cleaning the cup, reducing the dead angle for cleaning, and making the cleaning more thorough.

[0032] As a further preferred solution of the utility model, the inner wall of the cup body 1 is set with an arc-shaped transition toward the opening 4, which serves to provide better pouring performance: the arc-shaped transition design of the inner wall 2 of the cup body can better guide the liquid to flow out from the opening 4, making it smoother when pouring the liquid and less likely to spill. Better grip: the arc-shaped transition design of the inner wall 2 of the cup body makes it fit the palm more closely when holding the cup, making it less likely to slip and providing a better grip. Better comfort: the arc-shaped transition design of the inner wall 2 of the cup body can better adapt to the shape of the oral cavity, preventing the user's upper lip from being pressed by excess edges when in contact with the inner wall 2 of the cup body, causing a bad experience or even cuts.

[0033] As a further preferred solution of the utility model, a protrusion 5 is fixedly provided on the bottom of the cup body 1, and the protrusion 5 is circular, wherein the circular protrusion 5 is evenly provided with diamond-shaped or triangular notches, and its function is to provide a load-bearing effect when the teacup is placed, so as to reduce the possibility of the teacup sliding or tipping over; the design of the protrusion 5 can reduce the contact area of ​​the bottom of the teacup, thereby reducing heat conduction and heat convection, improving the heat preservation performance of the cup, and also avoiding scalding fingers when picking up the teacup.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paper container, comprising a cup body (1) formed by wet-pressing integral injection molding using a water mold, characterized in that: The bottom of the inner cavity of the cup body (1) is provided with an anti-scalding protrusion (101) integrally formed with the cup body (1), wherein the anti-scalding protrusion (101) is a raised circular shape, and the distance between the outer wall of the circular shape and the inner wall of the cup body (1) is 5-6 mm, and the distance between the end surface of the anti-scalding protrusion (101) and the bottom of the inner cavity of the cup body (1) is 3-4 mm; The inner wall and outer wall of the cup body (1) are respectively sprayed with food-grade waterproof materials of different colors to form an inner waterproof layer (2) and an outer waterproof layer (3) of different colors, wherein the inner surface of the inner waterproof layer (2) is a smooth surface, and the food-grade waterproof material is a nano-grade material, specifically polypropylene, polyvinyl alcohol or carboxymethyl cellulose; The cup body (1) is made of paper pulp or plant fiber. The cup body (1) is provided with an opening (4). The inner diameter of the cup body (1) gradually decreases from the opening (4) to the bottom of the cup body (1), forming a shape that is wide at the top and narrow at the bottom.

2. A paper container according to claim 1, characterized in that: The inner wall of the cup body (1) is arranged in an arc-shaped transition direction toward the opening (4).

3. A paper container according to claim 2, characterized in that: A protrusion (5) is fixedly provided at the bottom of the cup body (1); the protrusion (5) is circular, and diamond-shaped or triangular notches are evenly formed on the circular protrusion (5).