CN210810383U - Paper made suction pipe - Google Patents

Abstract

A paper-made straw comprises a first paper layer and a second paper layer. The basis weight of the first paper layer is 30-80 gsm, and the opacity is less than or equal to 70%. The basis weight of the second paper layer is 90-200 gsm. The first paper layer also comprises a first surface and a second surface, the first surface faces the second paper layer, the second surface is calendered to have smoothness of more than 200 seconds/10 mL, and the second surface forms the outer surface of the paper straw.

Description

Paper made suction pipe

Technical Field

The utility model relates to a straw made of paper.

Background

As the material and living standard of modern society are improved, the drinking straw is extremely popular whether the beverage is packaged or prepared on site, and the drinking straw becomes an indispensable daily diet utensil for modern people. At present, most straws are plastic products only used for one time, and the daily consumption of plastic straws and the amount of generated wastes by the global population are huge, thereby not only causing considerable treatment cost, but also bringing about environmental impact. Therefore, reusable straws of various materials, such as stainless steel straws and glass straws, are continuously introduced in the market nowadays, but these straws are required to be used and matched with eating habits on one hand and cleaning procedures on the other hand, so that the willingness of consumers and merchants to use is increased, and it is difficult to completely replace disposable straws. In order to take convenience and environmental protection into consideration, the suction pipe made of other materials needs to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a disposable plastic straw that knows exists and is difficult to decompose, retrieves difficult scheduling problem, the utility model provides a straw made of paper, 100% paper pulp is made and can directly be retrieved, and the surface has level and smooth sense of touch and low hydroscopicity through the press polish processing, has environmental protection and the characteristic of facilitating the use concurrently. In addition, in order to enhance the aesthetic appearance of the straw or to serve as a mark, the food-grade ink is directly printed on the surface of the straw in the conventional method, the paper straw provided by the utility model has partial transparency by the calendering treatment of the outer layer of straw paper, and characters, patterns and the like are printed between the straw paper layers and penetrate out of the outmost layer, thereby reducing the risk that the printing ink directly contacts with the oral cavity or food of a user.

The utility model provides a paper-made straw, which comprises a first paper layer and a second paper layer. The basis weight of the first paper layer is 30-80 gsm, and the opacity is less than or equal to 70%. The basis weight of the second paper layer is 90-200 gsm. The first paper layer also comprises a first surface and a second surface, the first surface faces the second paper layer, the second surface is calendered to have smoothness of more than 200 seconds/10 mL, and the second surface forms the outer surface of the paper straw.

In an embodiment of the present invention, the first paper layer and the second paper layer are laminated and wound to form the paper straw.

In an embodiment of the present invention, the first paper layer further has a printing layer formed on the first surface, and the printing layer is visible on the second surface of the first paper layer.

In an embodiment of the present invention, the printing layer includes patterns, characters, or a combination of the patterns and the characters.

In an embodiment of the invention, the basis weight of the first paper layer is 50 to 60 gsm.

In an embodiment of the invention, the basis weight of the second paper layer is 120 to 150 gsm.

In an embodiment of the present invention, the paper straw further includes a third paper layer, and the basis weight of the third paper layer is 90-200 gsm.

In an embodiment of the invention, the basis weight of the third paper layer is 120 to 150 gsm.

In an embodiment of the present invention, the first paper layer, the second paper layer and the third paper layer are laminated and wound to form the paper straw.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the paper straw of the present invention.

Fig. 2 is a schematic perspective view of the first paper layer of the embodiment shown in fig. 1.

Fig. 3 is a partially enlarged schematic view of the embodiment shown in fig. 1.

FIG. 4 is a perspective view of another embodiment of the paper drinking straw of the present invention.

Fig. 5 is a partially enlarged schematic view of the embodiment shown in fig. 4.

Fig. 6 is another partially exploded perspective view of the embodiment of fig. 4.

Fig. 7 is a schematic cross-sectional view of the embodiment shown in fig. 4.

FIG. 8 is a schematic view of the manufacturing process of the paper straw of the present invention.

Detailed Description

The foregoing and other features, aspects and utilities of the present invention will be apparent from the following more particular description of a preferred embodiment of the invention as illustrated in the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, front, rear, etc., are referred to only in the direction of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.

The utility model provides a paper made suction pipe. As shown in fig. 1 to 3, the paper drinking straw 10 includes a first paper layer 100 and a second paper layer 200. The first paper layer 100 includes a first surface 110 and a second surface 120, wherein the first surface 110 faces the second paper layer 200, and the second surface 120 forms an outer surface of the paper drinking straw 10. The first paper layer 100 has a basis weight of 30 to 80gsm, preferably 50 to 60 gsm. According to the present invention, the paper material of the first paper layer 100 can be selected from calendered kraft paper (calendered kraft paper), single-colored paper (machine glazed paper), tracing paper (tracing paper) or parchment paper (parchment paper), but not limited thereto, other paper materials suitable for calendering or having transparency can be used for the present invention, preferably the paper material prepared by using long fiber wood pulp (NBKP). The second paper layer 200 is heavier than the first paper layer 100, and provides the paper straw 10 with hardness and support, and the basis weight is 90-200 gsm. More preferably, the basis weight of the second paper layer 200 may be 120 to 150 gsm. According to the present invention, the paper material of the second paper layer 200 is the same as the first paper layer 100, but not limited thereto.

According to the present invention, the second surface 120 of the first paper layer 100 is calendered to have an opacity less than or equal to 70% and a smoothness of more than 200 seconds/10 mL, and those skilled in the art can determine the opacity and smoothness of the first paper layer 100 according to the requirements of transparency and smooth touch of the pattern. In an embodiment of the present invention, the opacity of the first paper layer 100 is less than 55%, and the smoothness is greater than 800 seconds/10 mL. More preferably, the smoothness is 1000 to 1500 seconds/10 mL.

The calendering process of the present invention can be but is not limited to hard calendering, soft calendering, and supercalendering. According to an embodiment of the present invention, the calendering process is performed on the second surface 120 of the first paper layer 100, and the calendering roller temperature is 60-150 ℃ and the calendering roller line is 15-350N/mm. The supercalendering process imparts the first paper layer 100 with low water absorption properties in addition to the smoothness of the first paper layer 100 and a delicate touch to the paper drinking straw 10. In addition, according to the present invention, the first surface 110 of the first paper layer 100 may also be supercalendered to increase paper transparency and surface smoothness according to product requirements. According to another embodiment of the present invention, both sides of the first paper layer 100 and the second paper layer 200 are supercalendered.

As shown in fig. 2, the first paper layer 100 may further have a printing layer 150 formed on the first surface 110. The printing layer 150 includes a pattern, a letter, or a combination of the pattern and the letter, which is printed by food-grade ink, but not limited thereto. Since the first paper layer 100 has an opacity of 70% or less, the printed layer 150 can be seen on the second surface 120 through the first paper layer 100 to provide the purpose of, for example, marking, beautifying, and advertising. Fig. 3 is an enlarged partial view of the area marked by E1 in fig. 1, in which the first paper layer 100 is overlapped with the second paper layer 200 with the first surface 110 facing the second paper layer 200, and then wound to form the paper drinking straw 10 (see fig. 1). Since the first surface 110 faces the second paper layer 200 and the printing layer 150 is located between the first paper layer 100 and the second paper layer 200, the ink of the printing layer 150 does not contaminate food and directly contact the mouth of the user, thereby reducing the risk of health damage caused by eating the printing ink.

Fig. 4-5 illustrate another embodiment of the present invention, wherein fig. 5 is an enlarged partial view of the part marked by E2 in fig. 4. As shown in FIGS. 4 to 5, the paper drinking straw 10a includes a first paper layer 100, a second paper layer 200, and a third paper layer 300. The first paper layer 100, the second paper layer 200, and the third paper layer 300 are sequentially stacked and wound to form the paper drinking straw 10 a. In one embodiment, the first paper layer 100 and the second paper layer 200 have the same characteristics as described above, and the third paper layer 300 has a basis weight of 90-200 gsm, and more preferably 120-150 gsm. According to the present invention, the paper material of the third paper layer 300 can be the same as the first paper layer 100 and the second paper layer 200, but not limited thereto. The paper drinking straw 10a has the third paper layer 300, so that the basis weight is increased, so that the paper drinking straw has better hardness and support, better moisture resistance and anti-infiltration effects can be provided, and the service life is prolonged. According to an embodiment of the present invention, the third paper layer 300 has the same overpressure light treatment as the first paper layer 100.

The manufacturing process of the paper straw of the present invention is illustrated in fig. 6 to 8, and a paper straw 10a is taken as an example for explanation. As shown in fig. 6, after the first paper layer 100, the second paper layer 200 and the third paper layer 300 are aligned and stacked, the paper is cut into a strip-shaped paper material, and the strip-shaped paper material is then prepared into the paper straw 10a in a winding manner. According to an embodiment of the present invention, the stacking between each paper layer can be further coated with food-grade adhesive to increase the convenience of winding production, but the present invention does not limit the connection manner. According to another embodiment of the present invention, the first paper layer 100, the second paper layer 200 and the third paper layer 300 are cut into long strip-shaped paper materials with the same width, and then are stacked in alignment with each other, and then are rolled to form the paper drinking straw 10a of the present invention.

As mentioned above, the winding is preferably a spiral winding. As shown in the cross-sectional view of fig. 7, after the first paper layer 100, the second paper layer 200 and the third paper layer 300 are stacked and connected in the aforementioned manner, they are cut into strips, and spirally wound according to a fixed direction, and the rear spiral portion overlaps the front adjacent spiral, for example, referring to fig. 7, the surface 310 of the third paper layer 300 of the rear spiral is partially connected to the second surface 120 of the first paper layer 100 of the front spiral. According to an embodiment of the utility model, spiral lapped part coating edible level viscose, only the utility model discloses do not restrict the kind of edible level viscose. The other paper straw 10 of the present invention is also prepared in the same way, and will not be further described herein.

Fig. 8 is a schematic view of a manufacturing process of the paper straw 10a according to the present invention. The roll 1000 provides a first paper layer 100 of material having a fixed width and cut into a strip of paper material. The paper can be printed with words and patterns as required. The paper roll 2000 provides the material of the second paper layer 200, and the paper roll 3000 provides the material of the third paper layer 300, which are also cut into long strips of paper material with a fixed width. The material of the first paper layer 100, the material of the second paper layer 200 and the material of the third paper layer 300 may partially or completely pass through the gluing unit 4000 to apply glue on the contact surfaces of the first paper layer 100, the second paper layer 200 and the third paper layer 300 with each other. After the first paper layer 100 material, the second paper layer 200 material and the third paper layer 300 material are stacked and connected with each other, they are guided to the winding device 5000 to form the hollow tubular structure 10 a' in a spiral winding manner. The guiding process can be provided with another gluing unit, the edge of the long strip paper material is coated with glue, and the overlapped part can be fixed by the glue during spiral winding. When spirally wound to a suitable length, the hollow tubular structure 10 a' may exit the winding device 5000 and be cut to produce a plurality of paper drinking straws 10 a. It should be noted that the present invention does not limit the manufacturing process of the paper straw, nor the number of paper layers of the paper straw, for example, the number of paper layers can be increased to four or five. The number of paper layers can be adjusted according to the requirements of the paper straw, such as hardness, support, etc., the material and basis weight of the paper layers, and the manufacturing process.

Claims (8)

1. A paper drinking straw, comprising:

a first paper layer, wherein the basis weight of the first paper layer is 30-80 gsm, and the opacity is less than or equal to 70%; and

a second paper layer with a basis weight of 90-200 gsm;

the first paper layer comprises a first surface and a second surface, the first surface faces the second paper layer, the second surface is subjected to calendering treatment to have smoothness of more than 200 seconds/10 mL, and the second surface forms the outer surface of the paper straw.

2. The paper drinking straw of claim 1, wherein the first paper layer is laminated with the second paper layer and wound to form the paper drinking straw.

3. The paper drinking straw of claim 1, wherein the first paper layer further comprises a printed layer formed on the first surface, and the printed layer is visible on the second surface of the first paper layer.

4. The paper drinking straw of claim 1, wherein the first paper layer has a basis weight of 50 to 60 gsm.

5. The paper drinking straw of claim 1, wherein the second paper layer has a basis weight of 120 to 150 gsm.

6. The paper drinking straw of claim 1, further comprising a third paper layer having a basis weight of 90-200 gsm.

7. The paper drinking straw of claim 6, wherein the third paper layer has a basis weight of 120 to 150 gsm.

8. The paper drinking straw of claim 6, wherein the first paper layer, the second paper layer and the third paper layer are laminated and wound to form the paper drinking straw.

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