CN110744908A - Three-layer composite material paper straw and manufacturing method thereof - Google Patents
Three-layer composite material paper straw and manufacturing method thereof Download PDFInfo
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- CN110744908A CN110744908A CN201810817337.XA CN201810817337A CN110744908A CN 110744908 A CN110744908 A CN 110744908A CN 201810817337 A CN201810817337 A CN 201810817337A CN 110744908 A CN110744908 A CN 110744908A
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- 239000002131 composite material Substances 0.000 title claims abstract description 109
- 239000010902 straw Substances 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 24
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 19
- 230000035622 drinking Effects 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000037213 diet Effects 0.000 description 4
- 235000005911 diet Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a three-layer composite paper straw and a manufacturing method thereof, wherein a three-layer composite paper material consisting of three layers of paper materials is manufactured in a spiral winding mode, and the three-layer composite paper material comprises the following components: a first layer of paper, a second layer of paper and a third layer of paper; the first layer of paper and the third layer of paper are stone paper, the second layer of paper is long-fiber wood pulp paper, the long edges of the first layer of paper, the second layer of paper and the third layer of paper are mutually stacked in a shingled mode and are mutually bonded together by the part occupying the width of the short edge of 1/2, the three layers of composite paper materials are mutually bonded in a spiral winding and staggered overlapping mode to form a three-layer composite paper suction pipe with three-layer pipe walls, wherein the first layer of paper becomes the outermost layer of the three-layer composite paper suction pipe, the second layer of paper becomes the middle layer of the three-layer composite paper suction pipe, and the third layer of paper becomes the inner layer of the three-layer composite paper suction pipe; the paper straw made of the three-layer composite material has the advantages of environmental protection, complete recycling, good structural strength and easy production.
Description
Technical Field
The invention relates to a structure of a suction pipe and a manufacturing method thereof, in particular to a three-layer composite paper suction pipe and a manufacturing method thereof.
Background
Diet utensils vary from country to country or from country to country due to differences in diet culture, but a drinking straw, which is one of the diet utensils, is a common utensil for drinking beverages that is not used in any country or diet culture.
The number of straws consumed by the global population daily is quite staggering in modern society due to the extremely widespread use of the improved living standard of the materials, whether packaged beverages or prepared beverages on site. At present, most of used straws are mainly plastic straws, although the volume of each plastic straw is not large, the quantity of the plastic straws accumulated and used every day is not comparable with that of other plastic tableware, and because the volume of the plastic straws is not large, the plastic straws are not easy to treat even after being recycled, huge quantities of straw wastes are generated every day, and the huge quantities of plastic wastes not only can cause harm to the environment, but also can increase a large amount of treatment cost.
In addition, the straw made of the stainless steel needs to be reused, but the straw has a disinfection procedure, but the straw has small pore diameter, is easy to stain, is not easy to clean and disinfect, and is not good in sanitary condition.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a three-layer composite paper straw which is environment-friendly, can be completely recycled and regenerated and is easy to produce and a manufacturing method thereof.
In order to solve the above technical problem, an embodiment of the three-layer composite paper straw according to the present invention is basically made of three layers of composite paper materials in a spiral winding and staggered overlapping manner, wherein the three layers of composite paper materials include: a first layer of paper, a second layer of paper and a third layer of paper; the first layer of paper, the second layer of paper and the third layer of paper are strip-shaped paper materials with the same width, the first layer of paper and the third layer of paper are stone paper, the second layer of paper is wood pulp paper, the long edges of the first layer of paper, the second layer of paper and the third layer of paper are mutually stacked in a shingled mode and are mutually bonded together by the part occupying the width of the short edge of 1/2, the three layers of composite paper materials are mutually bonded in a spiral winding and staggered overlapping mode to form the three-layer composite material paper straw with the three-layer pipe wall, the first layer of paper becomes the outermost layer of the three-layer composite material paper straw, the second layer of paper becomes the middle layer of the three-layer composite material paper straw, and the third layer of paper becomes the inner layer of the three-layer composite material paper straw.
The preferred embodiment of the wood pulp paper used for the first layer of paper is long fiber wood pulp paper; the paper suction pipe made of the three-layer composite material in the mode of spiral winding and staggered overlapping has the advantages that the three-layer pipe wall has no gaps and can not leak, the long-fiber wood pulp paper serving as the middle layer can provide enough structural strength for supporting, the rigidity can be maintained, the use convenience is improved, the deformation is not easy to occur, and the like.
The long sides of the first layer of paper, the second layer of paper and the third layer of paper are mutually stacked in a shingled mode, namely, the second half section of the second surface of the first layer of paper, which accounts for the width of the 1/2 short side of the first layer of paper, is pasted on the first half section of the first surface of the second layer of paper, which accounts for the width of the 1/2 short side of the second layer of paper, and the second half section of the second surface of the second layer of paper, which accounts for the width of the 1/2 short side of the second layer of paper, is pasted on the first half section of the first surface of the third layer of paper, which accounts for the width of the 1/2 short side of the; the three-layer composite paper suction pipe is characterized in that from the end point of the first turn of the three-layer composite paper material winding and the winding part after the end point, the first half section of the 1/2 short side width of the second surface of the first layer of paper occupying the first layer of paper is pasted on the second half section of the 1/2 short side width of the first surface of the second layer of paper, and the first half section of the 1/2 short side width of the second surface of the second layer of paper is pasted on the second half section of the 1/2 short side width of the first surface of the third layer of paper.
One embodiment of the manufacturing method of the paper straw made of the three-layer composite material comprises the following steps:
A. preparing three strip-shaped paper materials with the same width, namely a first layer of paper, a second layer of paper and a third layer of paper, wherein the first layer of paper and the third layer of paper are stone paper, and the second layer of paper is wood pulp paper;
B. the long edges of the first layer of paper, the second layer of paper and the third layer of paper are mutually stacked in a shingled mode, and the long edges of the first layer of paper, the second layer of paper and the third layer of paper are mutually bonded together by the parts occupying the width of the short edges of 1/2 to form a three-layer composite paper material; and
C. the three-layer composite paper material is wound in a spiral winding mode, and the first layer of paper, the second layer of paper and the third layer of paper are bonded with each other in a staggered and overlapped mode to form the three-layer composite paper suction pipe with the three-layer pipe wall, wherein the first layer of paper becomes the outermost layer of the three-layer composite paper suction pipe, the second layer of paper becomes the middle layer of the three-layer composite paper suction pipe, and the third layer of paper becomes the inner layer of the three-layer composite paper suction pipe.
One embodiment of the method for manufacturing a paper drinking straw made of three-layer composite materials of the present invention comprises adhering the contact surfaces of the first layer of paper, the second layer of paper and the third layer of paper together by using any one of the methods of adhesive, hot melt pressing and ultrasonic welding.
The paper straw made of the three-layer composite material has the advantages of environmental protection, complete recovery and regeneration and easy production; on the other hand, this kind of mode that adopts spiral winding and dislocation overlap to make three-layer composite material paper straw has three-layer pipe wall not to have the gap can not the seepage, and the long cellophane paper as the intermediate level more can provide sufficient structural strength and support, can maintain advantages such as stiff and increase convenience of use and non-deformable.
Other features and embodiments of the present invention will be described in detail below with reference to the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a structural diagram of a three-layer composite paper drinking straw according to an embodiment of the present invention.
Fig. 2A-2D are schematic diagrams of a process for making one embodiment of a three layer composite paper.
FIG. 3 is a schematic representation of the construction of one embodiment of a three layer composite paper.
FIG. 4 is a schematic diagram of a three-layer composite paper straw made of spirally wound and staggered overlapping three-layer composite paper.
FIG. 5 is a cross-sectional view of a three-layer composite paper drinking straw according to an embodiment of the present invention.
FIG. 6 is a process diagram of an embodiment of the method for manufacturing a three-layer composite paper drinking straw according to the present invention.
FIG. 7 is a schematic diagram of an apparatus configuration of an embodiment of a method for manufacturing a three-layer composite paper drinking straw according to the present invention.
FIG. 8 is a schematic view of a continuous manufacturing method of the three-layer composite paper drinking straw of the present invention.
Description of the symbols
10 first layer of paper 10A first surface of the first layer of paper
10B second surface of first sheet 20 second sheet
20A first surface of second layer of paper 20B second surface of second layer of paper
30 third layer of paper 30A first surface of third layer of paper
30B second surface 40 glue spreading unit of third layer paper
50 take-up device L Long side
W short side width of P three-layer composite paper
S1 the first half of the second surface of the first paper layer occupying the short side width of 1/2 is adhered to the second half of the first surface of the second paper layer occupying the short side width of 1/2
S2 the first half of the second surface of the second layer of paper occupying the short side width of 1/2 of the second layer of paper is stuck to the second half of the first surface of the third layer of paper occupying the short side width of 1/2 of the third layer of paper
Detailed Description
The positional relationship described in the following embodiments includes: the top, bottom, left and right, unless otherwise indicated, are based on the orientation of the elements in the drawings.
FIG. 1 is a structural diagram of a three-layer composite paper straw according to an embodiment of the present invention.
The three-layer composite paper straw is basically made of three layers of paper materials in a mode of spirally winding and staggered overlapping, wherein the three layers of composite paper materials P comprise: the first, second and third papers 10, 20 and 30, wherein the first, second and third papers 10, 20 and 30 are strip paper materials of the same width, the first and third papers 10 and 30 are stone papers, the second paper 20 is wood pulp paper, preferably long-fiber wood pulp paper is used as the second paper 20, the long sides L of the first, second and third papers 10, 20 and 30 are stacked in a shingled manner (see fig. 3) and bonded to each other in a portion occupying the width W of the short side of 1/2, and in order to enable a continuous winding production mode, the lengths of the first, second and third papers 10, 20 and 30 are not limited, and the preferred embodiment is to use a strip wound into a roll as a material source; the three-layer composite paper material P is wound in a spiral winding manner, and the first layer paper 10, the second layer paper 20 and the third layer paper 30 are bonded with each other in a staggered and overlapped manner by using viscose glue to form a three-layer composite paper suction pipe with three-layer pipe walls (see figure 5), wherein the first layer paper 10 becomes the outermost layer of the three-layer composite paper suction pipe, the second layer paper 20 becomes the middle layer of the three-layer composite paper suction pipe, and the third layer paper 30 becomes the inner layer of the three-layer composite paper suction pipe.
The first, second and third sheets 10, 20 and 30 have opposite first and second surfaces (for convenience of description, the letter A after the reference number of each sheet represents the first surface, the letter B represents the second surface, e.g., 10A represents the first surface of the first sheet 10, 20B represents the second surface of the second sheet 20, and so on), and after the tubular three-layer composite paper straw is made of the three-layer composite paper P, the first surfaces face the outside of the three-layer composite paper straw, and the second surfaces face the inside of the three-layer composite paper straw.
Please refer to fig. 6, which is a step diagram of an embodiment of a method for manufacturing a paper straw made of three-layer composite material according to the present invention, comprising:
A. preparing three strip-shaped paper materials with the same width, namely a first layer of paper 10, a second layer of paper 20 and a third layer of paper 30, wherein the first layer of paper 10 and the third layer of paper 30 are stone paper, and the second layer of paper 20 is wood pulp paper;
B. the long sides L of the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 are mutually stacked in a shingled way and are adhered together by the part occupying the width W of the short side of 1/2 to form a three-layer composite paper P; and
C. the three-layer composite paper material P is wound in a spiral winding mode, and the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 are bonded with each other in a staggered and overlapped mode to form the three-layer composite material paper suction pipe with three-layer pipe walls, wherein the first layer of paper 10 becomes the outermost layer of the three-layer composite material paper suction pipe, the second layer of paper 20 becomes the middle layer of the three-layer composite material paper suction pipe, and the third layer of paper 30 becomes the inner layer of the three-layer composite material paper suction pipe.
Referring to fig. 2A to 2D, the long sides L of the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 are stacked in a shingled manner such that the second half of the width W of the 1/2 short side of the first layer of paper 10 occupied by the second surface 10B of the first layer of paper 10 is adhered to the first half of the width W of the 1/2 short side of the second layer of paper 20 occupied by the first surface 20A of the second layer of paper 20, and the second half of the width W of the 1/2 short side of the second layer of paper 20 occupied by the second surface 20B of the second layer of paper 20 is adhered to the first half of the width W of the 1/2 short side of the third layer of paper 30 occupied by the first surface 30A of the third layer of paper 30.
One embodiment of the method for manufacturing the paper drinking straw made of three-layer composite material of the present invention comprises adhering the contact surfaces of the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 together by using any one of the methods of adhesive, hot melt pressing and ultrasonic welding. Because the stone paper is basically made by combining 80% of stone powder (calcium carbonate CaCO3) and 20% of environment-friendly High Density Polyethylene (HDPE), the contained Polyethylene (PE) can be bonded together at the contact surface of the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 by ultrasonic welding or heat welding.
Referring to fig. 4, in the triple-layer composite paper straw in which the triple-layer composite paper P is wound into a tubular shape in a spirally wound and staggered overlapping manner, from the end point of the first turn of winding of the triple-layer composite paper P and the winding portion after the end point, the first half of the 1/2 short side width W of the first layer paper 10 occupied by the second surface 10B of the first layer paper 10 is adhered to the second half of the 1/2 short side width W of the second layer paper 20 occupied by the first surface 20A of the second layer paper 20 (marked with symbol S1 in the figure), and the first half of the 1/2 short side width W of the second layer paper 20 occupied by the second surface 20B of the second layer paper 20 is adhered to the second half of the 1/2 short side width W of the third layer paper 30 occupied by the first surface 30A of the third layer paper 30 (marked with symbol S2 in the figure). The three-layer composite paper straw wound into a tubular shape by the spiral winding and staggered overlapping mode is characterized in that the first layer of paper 10 becomes the outermost layer of the three-layer composite paper straw, the second layer of paper 20 becomes the middle layer of the three-layer composite paper straw, and the third layer of paper 30 becomes the inner layer of the three-layer composite paper straw (see fig. 5).
Fig. 7 is a schematic diagram of an apparatus structure of a method for manufacturing a three-layer composite paper straw according to an embodiment of the present invention. According to an embodiment shown in the drawing, the first, second and third sheets 10, 20 and 30 with the same short side width W are respectively wound into a roll as a paper material source for manufacturing the three-layer composite paper straw, the first, second and third sheets 10, 20 and 30 are respectively coated with food-grade adhesive on the contact surface between the first, second and third sheets 10, 20 and 30 by a gluing unit 40, then the first, second and third sheets 10, 20 and 30 are guided to the winding device 50 together, the first, second and third sheets 10, 20 and 30 are glued into the three-layer composite paper P by the adhesive, and finally the three-layer composite paper straw with three-layer pipe wall is continuously produced in a spiral winding and staggered overlapping manner.
Referring to fig. 8, the three-layer composite paper drinking straw of the present invention uses three layers of composite paper materials P made of three layers of paper materials to adhere to each other in a spiral winding and staggered overlapping manner, so as to continuously produce a tubular structure, and cuts the tubular structure at a predetermined straw length position, so as to continuously and massively produce the three-layer composite paper drinking straw, wherein a section of the initially finished three-layer composite paper drinking straw is wound, and the tubular structure without three layers should be cut and discarded.
The above-described embodiments and/or implementations are only for illustrating the preferred embodiments and/or implementations of the present technology, and are not intended to limit the implementations of the present technology in any way, and those skilled in the art may make modifications or changes to other equivalent embodiments without departing from the scope of the technical means disclosed in the present disclosure, but should be construed as the technology or implementations substantially the same as the present technology.
Claims (8)
1. The utility model provides a three-layer composite material paper straw, its characterized in that is made with the mode of spiral winding and dislocation overlap by three-layer composite paper material that three-layer composite paper material is constituteed, and this three-layer composite paper material includes: a first layer of paper, a second layer of paper and a third layer of paper; the first layer of paper, the second layer of paper and the third layer of paper are strip-shaped paper materials with the same width, the first layer of paper and the third layer of paper are stone paper, the second layer of paper is wood pulp paper, long edges of the first layer of paper, the second layer of paper and the third layer of paper are mutually stacked in a shingled mode and are mutually bonded together by portions occupying the width of 1/2 short edges, the three layers of composite paper are mutually bonded in a spiral winding and staggered overlapping mode to form the three-layer composite paper straw with three-layer pipe walls, the first layer of paper becomes the outermost layer of the three-layer composite paper straw, the second layer of paper becomes the middle layer of the three-layer composite paper straw, and the third layer of paper becomes the inner layer of the three-layer composite paper straw.
2. The three-layer composite paper drinking straw as claimed in claim 1, wherein: the first layer of paper, the second layer of paper and the third layer of paper are bonded together by any one of the methods of adhesive, hot melt pressing and ultrasonic welding.
3. The three-layer composite paper drinking straw as claimed in claim 1, wherein: the second ply of paper is long-fiber wood pulp paper.
4. The three-layer composite paper drinking straw as claimed in claim 1, wherein: the long sides of the first layer of paper, the second layer of paper and the third layer of paper are stacked in a shingled manner, namely, the second half section of the second surface of the first layer of paper, which occupies the width of the 1/2 short side of the first layer of paper, is pasted on the first half section of the first surface of the second layer of paper, which occupies the width of the 1/2 short side of the second layer of paper, and the second half section of the second surface of the second layer of paper, which occupies the width of the 1/2 short side of the second layer of paper, is pasted on the first half section of the first surface of the third layer of paper, which occupies the width of the 1/2 short side of the third layer of paper; the three-layer composite paper material is spirally wound and staggered and overlapped to form a tubular three-layer composite paper suction pipe, from the terminal point of the first circle of the three-layer composite paper material and the winding part after the first circle of the three-layer composite paper material, the first half part of the second surface of the first layer paper material, which accounts for the 1/2 short side width of the first layer paper, is adhered to the second half part of the first surface of the second layer paper material, which accounts for the 1/2 short side width of the second layer paper, and the first half part of the second surface of the second layer paper material, which accounts for the 1/2 short side width of the second layer paper, is adhered to the second half part of the first surface of the third layer paper material, which accounts for the 1/2 short side width of the third layer paper.
5. A manufacturing method of a paper straw made of three-layer composite materials comprises the following steps:
A. preparing three strip-shaped paper materials with the same width, namely a first layer of paper, a second layer of paper and a third layer of paper, wherein the first layer of paper and the third layer of paper are stone paper, and the second layer of paper is wood pulp paper;
B. the long sides of the first layer of paper, the second layer of paper and the third layer of paper are mutually stacked in a shingled way and are adhered together by the part occupying the width of the short side of 1/2 to form a three-layer composite paper material; and
C. the three-layer composite paper material is wound in a spiral winding mode, the first layer of paper, the second layer of paper and the third layer of paper are bonded in a staggered and overlapped mode to form the three-layer composite paper suction pipe with three pipe walls, the first layer of paper becomes the outermost layer of the three-layer composite paper suction pipe, the second layer of paper becomes the middle layer of the three-layer composite paper suction pipe, and the third layer of paper becomes the inner layer of the three-layer composite paper suction pipe.
6. The method for manufacturing a paper drinking straw made of three-layer composite materials according to claim 5, wherein the method comprises the following steps: the first layer of paper, the second layer of paper and the third layer of paper are bonded together by any one of the methods of adhesive, hot melt pressing and ultrasonic welding.
7. The method for manufacturing a paper drinking straw made of three-layer composite materials according to claim 5, wherein the method comprises the following steps: the second ply of paper is long-fiber wood pulp paper.
8. The method for manufacturing a paper drinking straw made of three-layer composite materials according to claim 5, wherein the method comprises the following steps: the long sides of the first layer of paper, the second layer of paper and the third layer of paper are stacked in a shingled manner, namely, the second half section of the second surface of the first layer of paper, which occupies the width of the 1/2 short side of the first layer of paper, is pasted on the first half section of the first surface of the second layer of paper, which occupies the width of the 1/2 short side of the second layer of paper, and the second half section of the second surface of the second layer of paper, which occupies the width of the 1/2 short side of the second layer of paper, is pasted on the first half section of the first surface of the third layer of paper, which occupies the width of the 1/2 short side of the third layer of paper; the three-layer composite paper material is spirally wound and staggered and overlapped to form a tubular three-layer composite paper suction pipe, from the terminal point of the first circle of the three-layer composite paper material and the winding part after the first circle of the three-layer composite paper material, the first half part of the second surface of the first layer paper material, which accounts for the 1/2 short side width of the first layer paper, is adhered to the second half part of the first surface of the second layer paper material, which accounts for the 1/2 short side width of the second layer paper, and the first half part of the second surface of the second layer paper material, which accounts for the 1/2 short side width of the second layer paper, is adhered to the second half part of the first surface of the third layer paper material, which accounts for the 1/2 short side width of the third layer paper.
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| CN201810817337.XA CN110744908A (en) | 2018-07-24 | 2018-07-24 | Three-layer composite material paper straw and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021224723A1 (en) * | 2020-05-08 | 2021-11-11 | Hsu Yu Ting | Paper hookah pipe |
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