A paper straw

Paper straws made of multi-layer paper materials and heat-sealing technology solve the problem of non-degradable plastic straws, realize the production of degradable straws, reduce environmental pressure and improve the hardness and ease of use of straws.

CN115474817BActive Publication Date: 2025-10-10PUTIAN MINGYANG PAPER PROD CO LTD
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Patent Information

Application Number
CN202110658477.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-06-15
Publication Date
2025-10-10
Estimated Expiration
2041-06-15

AI Technical Summary

Technical Problem

Existing food-grade beverage straws made of plastic are non-degradable, causing environmental pollution, and the production process of paper straws needs to be improved.

Method used

A multi-layer structure design of edge sealing strips and straw tube ring column tubes is adopted, including paper materials, and degradable paper straws are formed through gluing methods such as heat sealing.

Benefits of technology

The invention realizes degradable paper straws, reduces environmental pressure, has a simple structure, a reasonable design, enhanced hardness and is easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

A paper straw comprises an edge sealing strip and a straw cylinder ring column pipe, the edge sealing strip comprises a first paper layer, a first coating layer, a second coating layer, a third coating layer section and a fourth coating layer section; the straw cylinder ring column pipe comprises a first glue layer, a second glue layer, a second paper layer, a third paper layer, a fifth coating layer, a sixth coating layer, a fourth paper layer and a seventh coating layer section; a sharp oblique end is fixed at the axial lower end of the straw cylinder ring column pipe, and a spoon end is fixed at the axial upper end of the straw cylinder ring column pipe; the paper straw has the advantages of simple structure, reasonable design, bending design, edge sealing strip design for strengthening the hardness of the straw, convenient modeling and convenient use.
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Description

Technical Field

[0001] The present invention relates to the field of drinking straws, in particular to a paper drinking straw. Background Art

[0002] Currently, disposable food-grade beverage straws on the market are almost all plastic products. Due to their large usage, recycling is troublesome, and their non-degradability is bound to put pressure on the environment. Gradually, paper straws began to be developed and put on the market. The current paper straw production process still has a lot of room for improvement. Summary of the Invention

[0003] In view of this, the technical solution of the present invention is: the paper straw comprises an edge banding strip and a straw tube ring column tube, the edge banding strip comprises a primary paper layer, a primary coating layer, a secondary coating layer, a tertiary coating layer segment, and a fourth coating layer segment, the left side of the primary paper layer is smeared and fixed with the secondary coating layer, the right side of the primary paper layer is smeared and fixed with the primary coating layer, the upper side of the primary paper layer is smeared and fixed with the tertiary coating layer segment, the lower side of the primary paper layer is smeared and fixed with the fourth coating layer segment, the upper side of the primary coating layer is smeared and fixed with the tertiary coating layer segment, the lower left side of the tertiary coating layer segment is smeared and fixed with the secondary coating layer, the lower side of the secondary coating layer is smeared and fixed with the fourth coating layer segment, and the upper right side of the fourth coating layer segment is smeared and fixed with the primary coating layer; the The straw tube ring column tube includes a primary glue layer, a secondary glue layer, a secondary paper layer, a tertiary paper layer, a fifth coating layer, a sixth coating layer, a fourth paper layer, and a seventh coating layer segment. The upper side of the secondary paper layer is fixedly connected to the fourth paper layer, and the fourth paper layer and the lower left side are fixedly connected to the third paper layer. The left side of the secondary paper layer is smeared and fixed with the primary glue layer, and the right side of the third paper layer is smeared and fixed with the secondary glue layer. The primary glue layer and the secondary glue layer are glued and fixed to each other as one. The right side of the secondary paper layer is smeared and fixed with the fifth coating layer, and the left side of the third paper layer is smeared and fixed with the sixth coating layer. The upper side of the fourth paper layer is smeared and fixed with the seventh coating layer segment, and the fifth coating layer and the sixth coating layer are glued and fixed to each other through the seventh coating layer segment.

[0004] As an advantage, the axial lower end of the straw tube ring column tube is fixed with a pointed bevel end, such as Figure 6 As shown in the lower end, the pointed oblique end includes a pointed head and an oblique section, the oblique section is fixed to the straw tube ring column tube as a whole, and the pointed head is fixed below the oblique section; the axial upper end of the straw tube ring column tube is fixed with a spoon end, as shown in the lower end. Figure 6The upper end of the spoon end, the spoon end includes a flat package section, a left package wing, a right package wing, a spoon flat port, the flat package section is fixed with the straw barrel ring column pipe as a whole, the left upper side of the flat package section is fixed with the left package wing, the right side of the left package wing is fixed with the spoon flat port, the right side of the spoon flat port is fixed with the right package wing, the lower side of the right package wing is fixed with the right upper side of the flat package section.

[0005] As preferred, the edge strip and the main body of the straw barrel ring column pipe are paper materials, which can be torn and reused as toilet paper strips, reducing environmental pressure, mainly for sucking.

[0006] As preferred, in order to make the case clearer, one of the specific production methods is as follows: including, but not limited to, this production method, such as Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 As shown, in order to facilitate the display of detailed effects, the thickness ratio of the paper layer, the film layer and the glue layer in the figure is appropriately enlarged; the production process is as follows Figure 4 The straw barrel ring column pipe is folded and wound into a ring by a composite paper strip, the width of the composite paper strip is designed and adjusted based on the circumference required by the straw, and the length of the composite paper strip can be n times the length of the straw, facilitating single production or batch production and then cutting off the production; the first glue layer, the second paper layer and the fifth film layer of the composite paper strip are folded to the right along the central axis, so that the second glue layer and the first glue layer are fixed as a whole, as shown in Figure 5 The folding process produces the fourth paper layer and the seventh film layer section, and then the composite paper strip is placed below the rotating rod, the two sides of the composite paper strip are wound around the rotating rod to form a barrel ring, and a part of the relative staggered butt joint forms the combined section, as shown in Figure 2 As shown in Figure 3 As shown in Figure 2 As shown in Figure 3 In order to demonstrate the production process and facilitate the display of each detail, the components of the straw barrel ring column pipe and the edge strip are appropriately separated, and after using heat sealing and other gluing means in the production process, the components of the edge strip and the straw barrel ring column pipe are completely fused and fixed as a whole to form a circular ring-shaped straw, that is, as shown in Figure 1 As shown, the straw is then cut off according to the needs to form a shape, as shown in Figure 1 As shown, and other shapes, as shown in Figure 6 The straw, specific manual or automatic production is OK, which will not be repeated here.

[0007] Compared with the prior art, the present invention has the following advantages: simple structure, reasonable design, curved design, edge band design to enhance the hardness of the straw, convenient shaping, and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0009] Attachment Figure 1 is a front view of a first embodiment of the present invention;

[0010] Attachment Figure 2 This is a schematic diagram of the cross-sectional structure of the present invention when the ring column tube is wound into a circle;

[0011] Attachment Figure 3 This is an enlarged schematic diagram of the cross-sectional structure of the present invention when the tube is wound into a ring;

[0012] Attachment Figure 4 It is a schematic diagram of one of the production processes of the present invention;

[0013] Attachment Figure 5 This is a second schematic diagram of the production process of the present invention;

[0014] Attachment Figure 6 is a schematic structural diagram of a second embodiment of the present invention;

[0015] In the figure: 100-edge banding strip; 101-first-level paper layer; 102-first-level coating layer; 103-second-level coating layer; 104-third-level coating layer section; 105-fourth-level coating layer section; 200-straw tube ring column tube; 201-first-level glue layer; 202-second-level glue layer; 203-second-level paper layer; 204-third-level paper layer; 205-fifth-level coating layer; 206-sixth-level coating layer; 207-fourth-level paper layer; 208-seventh-level coating layer section; 301-pointed oblique end; 302-spoon end; 303-flat wrapping section; 304-left wrapping wing; 305-right wrapping wing; 306-spoon flat end; 311-pointed head; 312-oblique section; 400-rotating rod; 401-central axis; 402-composite paper strip; 403-joining section. DETAILED DESCRIPTION

[0016] To make the above features and advantages of the present invention more clearly understood, embodiments are given below with reference to the accompanying drawings for detailed description, but the present invention is not limited thereto.

[0017] like Figure 1-6As shown, a paper straw has a simple structure, a reasonable design, a bending design, and an edge strip design to enhance the hardness of the straw, facilitate shaping, and is easy to use. It includes an edge strip 100 and a straw tube ring column tube 200. The edge strip 100 includes a primary paper layer 101, a primary coating layer 102, a secondary coating layer 103, a tertiary coating layer segment 104, and a fourth coating layer segment 105. The left side of the primary paper layer 101 is smeared and fixed with the secondary coating layer 103, and the right side of the primary paper layer 101 is smeared and fixed with the primary coating layer 102. The third-level coating layer segment 104 is smeared and fixed on the upper side of the first-level paper layer 101, the fourth-level coating layer segment 105 is smeared and fixed on the lower side of the first-level paper layer 101, the third-level coating layer segment 104 is smeared and fixed on the upper side of the first-level coating layer 102, the second-level coating layer 103 is smeared and fixed on the lower left side of the third-level coating layer segment 104, the fourth-level coating layer segment 105 is smeared and fixed on the lower side of the second-level coating layer 103, and the first-level coating layer 103 is smeared and fixed on the upper right side of the fourth-level coating layer segment 105. 02; The straw tube ring column tube 200 includes a primary glue layer 201, a secondary glue layer 202, a secondary paper layer 203, a tertiary paper layer 204, a fifth coating layer 205, a sixth coating layer 206, a fourth paper layer 207, and a seventh coating layer segment 208. The upper side of the secondary paper layer 203 is fixedly connected to the fourth paper layer 207, and the fourth paper layer 207 and the lower left side are fixedly connected to the third paper layer 204. The left side of the secondary paper layer 203 is smeared and fixed with the primary glue layer 201, and the third paper layer 20 4 is smeared and fixed with the secondary adhesive layer 202, the primary adhesive layer 201 and the secondary adhesive layer 202 are adhered and fixed to each other as a whole, the right side of the secondary paper layer 203 is smeared and fixed with the fifth-level coating layer 205, the left side of the third-level paper layer 204 is smeared and fixed with the sixth-level coating layer 206, the upper side of the fourth-level paper layer 207 is smeared and fixed with the seventh-level coating layer segment 208, and the fifth-level coating layer 205 and the sixth-level coating layer 206 are adhered and fixed to each other as a whole through the seventh-level coating layer segment 208.

[0018] Furthermore, in this embodiment, the lower axial end of the straw tube ring column tube 200 is fixed with a pointed bevel end 301, such as Figure 6 As shown in the lower end, the pointed oblique end 301 includes a pointed portion 311 and an oblique section 312, the oblique section 312 is fixed to the straw tube ring column tube 200 as a whole, and the pointed portion 311 is fixed below the oblique section 312; the axial upper end of the straw tube ring column tube 200 is fixed with a spoon end 302, as shown in the lower end. Figure 6The upper end of the spoon end 302 includes a flat package section 303, a left package wing 304, a right package wing 305, and a spoon flat port 306, the flat package section 303 is fixed with the straw cylinder ring column pipe 200 as a whole, the left upper side of the flat package section 303 is fixed with the left package wing 304, the right side of the left package wing 304 is fixed with the spoon flat port 306, the right side of the spoon flat port 306 is fixed with the right package wing 305, and the lower side of the right package wing 305 is fixed with the right upper side of the flat package section 303 as a whole.

[0019] Further, in the embodiment, the edge sealing strip 100 and the main body of the straw cylinder ring column pipe 200 are paper materials, which can be degraded and torn to be used as toilet paper for recycling, reducing environmental pressure, and mainly used for sucking.

[0020] Further, in the embodiment, in order to make the case clearer and more clear, one of the specific production methods is as follows: including, but not limited to, the production method, such as Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, in order to facilitate the display of detailed effects, the thickness ratio of the paper layer, the film layer and the glue layer in the figure is appropriately enlarged; the production process is as shown in Figure 4 The straw cylinder ring column pipe 200 is folded, wound and processed by the composite paper strip 402, the width of the composite paper strip 402 is designed and adjusted based on the circumference required by the straw, and the length of the composite paper strip 402 can be n times of the length of the straw, which is convenient for single production or batch production and cutting production; the first glue layer 201, the second paper layer 203 and the fifth film layer 205 of the composite paper strip 402 are folded to the right along the central axis 401, so that the second glue layer 202 and the first glue layer 201 are fixed as a whole, as shown in Figure 5 The folding process will generate the fourth paper layer 207 and the seventh film layer segment 208, and then the composite paper strip 402 is placed below the rotating roll 400, and the two sides of the composite paper strip 402 are wound around the rotating roll 400 to form a cylinder ring, and a part of the relative staggered butt joint forms the combination segment 403, as shown in Figure 2 and Figure 3 , Figure 2 and Figure 3 In order to demonstrate the production process and facilitate the display of each detail, the components of the straw cylinder ring column pipe 200 and the edge sealing strip 100 are appropriately separated, and after using hot sealing and other gluing means in the production process, the components of the edge sealing strip 100 and the straw cylinder ring column pipe 200 are completely fused and fixed as a whole to form a circular ring cylinder-shaped straw, that is, as shown in Figure 1Then cut and shape the straw as needed. Figure 1 The straw shown, and other shapes such as Figure 6 The straws shown can be produced manually or automatically, so I will not go into details here; for better expression, Figure 3 、 Figure 4 、 Figure 5 In this case, the relationship between the upper, lower, left and right is inconsistent. Figure 3 The main focus is on the up, down, left and right relationships.

[0021] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0022] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art. The above is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should be covered by the scope of the present invention.

Claims

1. A paper straw, characterized by: The paper straw comprises an edge banding strip and a straw tube ring column tube, the edge banding strip comprises a primary paper layer, a primary coating layer, a secondary coating layer, a tertiary coating layer segment, and a quaternary coating layer segment, the left side of the primary paper layer is smeared and fixed with the secondary coating layer, the right side of the primary paper layer is smeared and fixed with the primary coating layer, the upper side of the primary paper layer is smeared and fixed with the tertiary coating layer segment, the lower side of the primary paper layer is smeared and fixed with the quaternary coating layer segment, and the primary coating layer is smeared and fixed with the quaternary coating layer segment. The third-level coating layer segment is smeared and fixed on the top, the second-level coating layer is smeared and fixed on the lower left side of the third-level coating layer segment, the fourth-level coating layer segment is smeared and fixed on the lower side of the second-level coating layer, and the first-level coating layer is smeared and fixed on the upper right side of the fourth-level coating layer segment; the straw tube ring column tube includes a first-level glue layer, a second-level glue layer, a second-level paper layer, a third-level paper layer, a fifth-level coating layer, a sixth-level coating layer, a fourth-level paper layer, and a seventh-level coating layer segment, and the upper side of the second-level paper layer is fixedly connected There is a fourth-level paper layer, and the fourth-level paper layer is fixedly connected to the third-level paper layer on the lower left side, the first-level glue layer is smeared and fixed on the left side of the second-level paper layer, and the second-level glue layer is smeared and fixed on the right side of the third-level paper layer, the first-level glue layer and the second-level glue layer are adhered and fixed to each other as one, the fifth-level coating layer is smeared and fixed on the right side of the second-level paper layer, and the sixth-level coating layer is smeared and fixed on the left side of the third-level paper layer, and the seventh-level coating layer segment is smeared and fixed on the upper side of the fourth-level paper layer, and the fifth-level coating layer and the sixth-level coating layer are adhered and fixed to each other through the seventh-level coating layer segment; the straw tube ring is formed by folding a composite paper strip in half and wrapping it in a circle, and the width of the composite paper strip is designed and adjusted based on the required circumference of the straw, and the first-level glue layer, the second-level paper layer and the fifth-level coating layer of the composite paper strip are folded to the right along the central axis so that the second-level glue layer and the first-level glue layer are adhered and fixed to each other as one.

2. The paper straw according to claim 1, characterized in that: The axial lower end of the straw tube ring column tube is provided with a pointed oblique end, and the pointed oblique end includes a pointed head and an oblique section. The oblique section is fixed to the straw tube ring column tube as a whole, and the pointed head is fixed below the oblique section; the axial upper end of the straw tube ring column tube is provided with a spoon end, and the spoon end includes a flat wrapping section, a left wrapping wing, a right wrapping wing, and a spoon flat port. The flat wrapping section is fixed to the straw tube ring column tube as a whole, the left wrapping wing is fixed to the upper left of the flat wrapping section, the spoon flat port is fixed to the right of the left wrapping wing, and the right wrapping wing is fixed to the right of the spoon flat port, and the lower part of the right wrapping wing is fixedly connected to the upper right of the flat wrapping section as a whole.

3. The paper straw according to claim 1, characterized in that: The main bodies of the edge sealing strips and the straw tube ring column tube are made of degradable paper materials and can be torn apart and reused as paper strips.

Citation Information

Patent Citations

  • Paper straw

    CN216907551U