TW202000090A - Stone paper straw and manufacturing method thereof for manufacturing the straw by spirally winding a stone paper material composed of at least two layers of stone paper - Google Patents

Abstract

The present invention discloses a stone paper straw and a manufacturing method thereof. The straw is basically manufactured by spirally winding a stone paper material composed of at least two layers of stone paper, and the stone paper material at least comprises: a first layer of paper and a second layer of paper. The first layer of paper and the second layer of paper are strip-shaped stone paper of the same width, the long sides of the first layer of paper and the second layer of paper are mutually stacked in an imbricating manner, and are bonded to each other at a portion occupying one half of the short side width, the stone paper are wound in a spiral winding manner and are bonded to each other so as to form a stone paper straw having at least two layers of tube walls, through the offset and stack winding method, the first layer of paper becomes the outermost layer of the stone paper straw, and the second layer of paper becomes the inner layer of the stone paper straw. The stone paper straw of the present invention has the advantages of environmental protection, fully recyclable, excellent structural strength, and easy to manufacture.

Description

Stone paper straw and manufacturing method thereof

The invention relates to a straw structure and a manufacturing method thereof, in particular to a stone paper straw and a manufacturing method thereof.

Due to the differences in food culture, the food utensils of different countries or ethnic groups will also be different, but one of the eating utensils, straws, is a common utensil used for smoking drinks regardless of the country and food culture.

Due to the improvement of material living standards in modern society, whether it is packaged beverages or on-site beverages are extremely popular, so the number of straws consumed by the global population daily is very alarming. At present, most of the straws used are still mainly made of plastic straws. Although the size of each plastic straw is not large, the cumulative number of daily use is not comparable to other plastic tableware. The volume is not large, and it is not easy to dispose even after recycling. Therefore, a huge amount of straw waste is generated every day in the world. This large amount of plastic waste will not only cause harm to the environment, but also increase a lot of processing costs.

In order to solve the problem of traditional plastic straws, there is a reusable straw in the market. The typical one is a straw made of stainless steel. Although this stainless steel straw has the advantage of being reusable, it needs to be carried with you. It is still limited and the penetration rate is very low. In a short period of time, it still cannot completely replace the traditional plastic straws and solve the environmental problems caused by plastic straws. In addition, the stainless steel straws need to undergo a disinfection process to be reused. The pore size is small, easy to stain and difficult to clean and disinfect, and the sanitary conditions are still poor.

The technical problem to be solved by the present invention is to provide an environmentally friendly, fully recoverable and easy-to-produce stone paper straw and its manufacturing method.

In order to solve the above technical problem, an embodiment of the stone paper straw according to the present invention is basically made of a spiral paper wound stone paper composed of at least two layers of stone paper. The stone paper includes at least: the first Layer paper and second layer paper, where the first layer paper and the second layer paper are strip-shaped stone paper of the same width, the first layer paper and the second layer paper have opposite first and second surfaces, The long sides of one layer of paper and the second layer of paper are stacked on top of each other in a shingled manner, and are bonded to each other with a portion of 1/2 the width of the short side. The stone paper is wound in a spiral winding manner, and The first layer of paper and the second layer of paper are glued to each other to form a stone paper straw with at least two layers of pipe walls in a staggered overlapping manner, wherein the first layer of paper becomes the outermost layer of the stone paper straw, and the second layer of paper becomes stone paper The inner layer of the straw. This kind of spiral paper winding and staggered overlapping method is used to make a stone paper straw, which has at least two layers of pipe wall without gaps and no leakage, has sufficient structural strength support, can maintain stiffness, is easy to use and is not easy to deform.

The long sides of the first layer of paper and the second layer of paper are stacked on top of each other in a tiled manner. The second half of the first layer of paper occupies the second half of the first layer of paper. The first surface of the paper occupies the first half of the width of the short side of the second layer of paper; the stone paper is wound into a tubular stone paper straw in a spiral and misaligned overlapping manner, which is wound from the stone paper At the beginning of the end of the first circle and after the winding part, the first half of the second surface of the first layer of paper is 1/2 the width of the short side of the first layer of paper is attached to the first surface of the second layer of paper The second half of the half-width of the two-layer paper.

In another embodiment of the stone paper straw of the present invention, the stone paper material includes: first layer paper, second layer paper and third layer paper, wherein the first layer paper, second layer paper and third layer paper It is a long strip of stone paper of the same width. The first layer of paper, the second layer of paper and the third layer of paper all have opposite first and second surfaces. The first layer of paper, the second layer of paper and the third layer of paper The long sides of each are stacked on top of each other in a shingled manner, and are glued to each other with a half of the width of the short side. The stone paper is wound in a spiral winding manner, and the first is placed in a staggered overlapping manner. The layer paper, the second layer paper and the third layer paper are adhered to each other to form a stone paper straw with three layers of tube walls, wherein the first layer paper becomes the outermost layer of the stone paper straw, and the second layer paper becomes the middle layer of the stone paper straw The third layer of paper becomes the inner layer of the stone paper straw.

The long sides of the first layer of paper, the second layer of paper, and the third layer of paper are stacked on top of each other in a tiled manner. The second surface of the first layer of paper occupies the second half of the first layer of paper. Paste on the first half of the second layer of paper that occupies the first half of the short side width of the second layer of paper, and the second surface of the second layer of paper occupies the second half of the second layer of short side width The first surface of the third layer of paper is attached to the first half of the short side width of the third layer of paper; the stone paper is wound into a tubular stone paper straw in a spiral and misaligned manner, which is made from stone The end of the first winding of the paper winding and the subsequent winding part, and the second half of the first layer of paper accounts for the first half of the short side width of the first layer of paper is pasted on the second layer of paper The first surface occupies the second half of the second layer of paper, and the second half of the second layer of paper occupies the first half of the second layer of paper. The first surface occupies the second half of the short side width of the third layer of paper.

An embodiment of the method for manufacturing a stone paper straw of the present invention includes the following steps: A. Prepare at least two stone paper strips, which are a first layer of paper and a second layer of paper, wherein the first layer of paper and the second layer of paper The width of the short side is the same; B. The long sides of the first layer and the second layer of paper are stacked on top of each other in a tiled manner, and a part of the width of the 1/2 short side is bonded to each other to form a stone paper; And C. Wind the stone paper in a spirally wound manner, and stick the first layer of paper and the second layer of paper to each other in a staggered overlapping manner to form a stone paper straw with at least two layers of pipe walls, of which the first The layered paper becomes the outermost layer of the stone paper straw, and the second layer of paper becomes the inner layer of the stone paper straw.

An embodiment of the method for manufacturing a stone paper straw of the present invention includes using hot-melt adhesive to bond the contact surfaces of the first layer paper, the second layer paper, and the third layer paper together.

The beneficial effect of the stone paper straw of the present invention is that it has the advantages of environmental protection, full recovery and regeneration, and easy production; on the other hand, this kind of stone paper straw is made by spiral winding and dislocation overlapping, and has at least two layers of pipes The wall will not leak without gaps, has sufficient structural strength support, can maintain stiffness, easy to use and not easy to deform.

10‧‧‧ First layer paper

10A‧‧‧The first surface of the first layer of paper

10B‧‧‧The second surface of the first layer of paper

20‧‧‧Second layer paper

20A‧‧‧The first surface of the second paper

20B‧‧‧The second surface of the second paper

30‧‧‧ third layer paper

30A‧‧‧The first surface of the third layer paper

30B‧‧‧Second surface of the third layer of paper

40‧‧‧Glue unit

50‧‧‧winding device

L‧‧‧Long side

P, P2‧‧‧ stone paper

W‧‧‧short side width

S1‧‧‧The second surface of the first layer of paper occupies the first half of the short side width of the first layer of paper. The first surface of the second layer of paper occupies the short side of the second layer of paper. Second half

S2‧‧‧The second surface of the second layer of paper occupies the first half of the short side width of the second layer of paper. The first surface of the third layer of paper occupies the short side of the third layer of paper. Second half

Fig. 1 is an external structure diagram of an embodiment of a stone paper straw of the present invention.

Figures 2A and 2B are schematic diagrams of the manufacturing process of an embodiment of a two-layer stone paper material.

Figure 3 is a schematic diagram of an embodiment of a two-layer stone paper material.

Figure 4 is a schematic view of the structure of a two-layer stone paper material made of a stone paper straw by spiral winding and misalignment.

Fig. 5 is a structural cross-sectional view of a longitudinal section of an embodiment of a two-layer stone paper straw of the present invention.

6A to 6D are schematic diagrams of a manufacturing process of an embodiment of three-stone paper.

Fig. 7 is a schematic structural view of an embodiment of a three-layer stone paper material.

Figure 8 is a schematic view of the structure of a three-layer stone paper material made of a stone paper straw with spiral winding and misalignment.

Fig. 9 is a structural sectional view of a longitudinal section of an embodiment of a three-layer stone paper straw of the present invention.

Fig. 10 is a step diagram of an embodiment of a method for manufacturing a stone paper straw of the present invention.

FIG. 11 is a schematic diagram of an equipment architecture of an embodiment of a method for manufacturing a stone paper straw according to the present invention.

Fig. 12 is a schematic diagram of a continuous manufacturing method of the stone paper straw of the present invention.

First, please refer to FIG. 1 which is an external structure diagram of an embodiment of a stone paper straw of the present invention.

The stone paper straw of the present invention is basically made of a stone paper P composed of at least two layers of stone paper in a spiral winding manner, and the stone paper P includes at least: a first layer of paper 10 and a second layer of paper 20 , Where the first layer of paper 10 and the second layer of paper 20 are elongated stone paper of the same width, and the long sides L of the first layer of paper 10 and the second layer of paper 20 are stacked on top of each other in a tiled manner (see Figure 3) ), and adhere to each other with a width W of 1/2 short side. In order to achieve a continuous winding production method, the first layer of paper 10 and the second layer of paper 20 are selected from long strips of stone paper, the length of which Without limitation, the preferred embodiment is to use a stone paper strip wound into a roll as a material source; the stone paper P is wound in a spiral winding manner, and the first layer of paper 10 and The second layer of paper 20 is adhered to each other to form a stone paper straw with at least two layers of pipe walls (see Figure 5).

Both the first layer of paper 10 and the second layer of paper 20 have opposing first and second surfaces (to facilitate the description of the element symbols of each layer of paper, the letter A represents the first surface, and the letter B represents the second surface, for example: 10A represents the first surface of the first layer of paper 10, 20B represents the second surface of the second layer of paper 20, and so on), after the stone paper material P is wound into a tubular stone paper straw, the The first surface is facing the outside of the stone paper straw, and the second surface is facing the inside of the stone paper straw.

Refer to FIG. 2A and FIG. 2B, where the long sides L of the first layer of paper 10 and the second layer of paper 20 are stacked on top of each other in a shingled manner so that the second surface 10B of the first layer of paper 10 occupies the first layer of paper The second half of the short side width is pasted to the first surface 20A of the second layer of paper 20 and occupies the first half of the second short side width of the second layer of paper. Please refer to Figure 4, where the rock paper P is wound into a tubular rock paper straw in a spiral and misaligned manner, starting from the end point of the first winding of the rock paper P and afterwards Affix the first half of the second surface 10B of the first layer of paper 10 to 1/2 the width of the short side of the first layer of paper 10 to the first surface 20A of the second layer of paper 20 to account for 1/2 of the second layer of paper 20 The second half of the width of the short side.

Please refer to FIG. 3, where the long sides L of the first layer of paper 10 and the second layer of paper 20 are stacked on top of each other in a tiled manner so that the second surface 10B of the first layer of paper 10 occupies 1/1/ of the first layer of paper 10 2 The second half of the short-side width W is pasted to the first surface 20A of the second layer of paper 20, which occupies the first half of the short-side width W of the second layer of paper; see Figure 4, where the stone paper P is spiral The stone paper straw that is wound into a tubular shape by overlapping with the misalignment is the winding part from the end of the first winding of the stone paper P and the subsequent winding, and the second surface 10B of the first layer of paper 10 accounts for The first half of the 1/2 short-edge width W of the first layer of paper 10 is pasted to the first surface 20A of the second layer of paper 20 that occupies the second half of the second short-sided paper with a width of 1/2 short-side width W (the symbol S1 Mark). It is wound into a tube-shaped stone paper straw by spiral and dislocation overlapping, in which the first layer of paper 10 becomes the outermost layer of the stone paper straw, and the second layer of paper 20 becomes the inner layer of the stone paper straw. This kind of spiral paper winding and staggered overlapping method is used to make a stone paper straw. It has at least two layers of pipe wall without gaps and no leakage, with sufficient structural strength support, can maintain stiffness, easy to use and not easy to deform. Because the composition of stone paper is basically made of a combination of 80% stone powder (calcium carbonate CaCO3) and 20% environmentally friendly high-density polyethylene (HDPE), it has the advantages of environmental protection, full recovery and regeneration, and easy production.

Please refer to FIG. 10, which is a step diagram of an embodiment of the method for manufacturing a stone paper straw of the present invention, including: A. preparing at least two stone paper strips, namely a first layer of paper 10 and a second layer of paper 20, wherein the first The width W of the short sides of the first layer of paper 10 and the second layer of paper 20 is the same; B. The long sides L of the first layer of paper 10 and the second layer of paper 20 are stacked on top of each other in a tiled manner, and occupy 1/2 short The parts of the edge width W are bonded to each other to form a stone paper P; and C. The stone paper is wound in a spiral winding manner, and the first layer of paper 10 and the second layer of paper are stacked in a staggered manner 20 stick to each other to form a stone paper straw with at least two layers of pipe walls, wherein the first layer of paper 10 becomes the outermost layer of the stone paper straw, and the second layer of paper 20 becomes the inner layer of the stone paper straw.

In another embodiment of the stone paper straw of the present invention, the stone paper used for winding the stone paper straw is composed of three layers of stone paper, please refer to FIG. 7 for the stone paper composed of three layers of stone paper P2 includes: first layer paper 10, second layer paper 20, and third layer paper 30; please refer to FIGS. 6A to 6D, in which the first layer paper 10, second layer paper 20, and third layer paper 30 The long sides L are stacked on top of each other in a tiled manner. The second half of the first layer of paper 10 occupies 1/2 of the first layer of paper 10, and the second half of the short side width W is pasted on the second layer of paper 20. The surface 20A occupies the first half of the 1/2 short side width W of the second layer paper 20, and the second surface 20B of the second layer 20 occupies the second half of the second short side width W The first surface 30A of the three-layer paper 30 occupies the first half of the 1/2 short-side width W of the third-layer paper 30.

Please refer to Figure 8, where the stone paper P2 is wound into a tubular stone paper straw in a spiral and misaligned manner, starting from the end point of the first winding of the stone paper P2 and thereafter Affix the first half of the second surface 10B of the first layer of paper 10 to the first half of the short side width W of the first layer of paper 10 to the first surface 20A of the second layer of paper 20 to account for 1/2 of the second layer of paper In the second half of the short-side width W (marked by the symbol S1 in the figure), the second surface 20B of the second layer paper 20 occupies 1/2 of the second layer paper 20. The first half of the short-side width W is pasted on the third layer paper The first surface 30A of 30 occupies the second half of the width W of the short side of the third layer of paper 30 (marked by symbol S2 in the figure). It is wound into a tubular stone paper straw by spiral and misalignment. The first layer of paper 10 becomes the outermost layer of the stone paper straw, the second layer of paper 20 becomes the middle layer of the stone paper straw, and the third layer of paper 30 becomes The inner layer of the stone paper straw (see Figure 9).

Please refer to FIG. 11 which is a schematic diagram of an equipment architecture of an embodiment of a method for manufacturing a stone paper straw according to the present invention. According to an illustrated embodiment, the first layer paper 10, the second layer paper 20, and the third layer paper 30 having the same short-side width W are wound into rolls as a material source for making a stone paper straw, the first The layered paper 10, the second layered paper 20 and the third layered paper 30 respectively pass through a glue application unit 40 on the surface where the first layered paper 10 and the second layered paper 20 and the second layered paper 20 and the third layered paper 30 are joined For coating food-grade adhesive, the preferred embodiment is to use hot-melt adhesive as the adhesive. The hot-melt adhesive can be heated into a fluid state by an external heating element (not shown), and then passed through an adhesive unit 40 to Spray on the contact surface of the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 with each other, and then guide the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 together To the winding device 50, the first layer of paper 10, the second layer of paper 20 and the third layer of paper 30 are bonded into a stone paper P2 by hot melt adhesive, and finally a spirally wound three-layer tube is produced continuously Paper straws on the wall of stone.

Please refer to FIG. 12, the stone paper straw of the present invention uses two layers of stone paper P or three layers of stone paper P2 to form a spiral paper winding and staggered overlapping each other, which can be used continuously. After the tubular structure is cut, and the tubular structure is cut off at the position of the preset straw length, stone paper straws can be produced continuously and in large quantities. Among them, the first completed piece of stone paper straws is manufactured during winding, because there are no two or three layers. The pipe wall structure should be cut off and discarded.

Although the present invention has been disclosed as above through the above embodiments, it is not intended to limit the present invention. Those skilled in the art can make some modifications and retouching without departing from the spirit and scope of the present invention. The scope of patent protection shall be subject to those defined in the claims of this application.

10‧‧‧ First layer paper

10A‧‧‧The first surface of the first layer of paper

10B‧‧‧The second surface of the first layer of paper

20‧‧‧Second layer paper

20B‧‧‧The second surface of the second paper

P‧‧‧Stone paper

Claims (9)

A stone paper straw is made of at least two layers of stone paper in a spiral winding manner. The stone paper includes at least: a first layer of paper and a second layer of paper, the first layer of paper and the The second layer of paper is an elongated stone paper of the same width. Both the first layer of paper and the second layer of paper have opposing first and second surfaces. The lengths of the first layer of paper and the second layer of paper The edges are stacked on top of each other in a shingled manner, and are bonded to each other with a width of 1/2 short side. The stone paper is wound in a spiral winding manner, and the first The layer paper and the second layer paper are adhered to each other to form a stone paper straw with at least two layers of pipe walls, the first layer paper becomes the outermost layer of the stone paper straw, and the second layer paper becomes the inner layer of the stone paper straw. The stone paper straw according to claim 1, characterized in that the stone paper is made of hot-melt adhesive to bond the first layer of paper, the second layer of paper and the third layer of paper together at the contact surface of each other . The stone paper straw according to claim 1, characterized in that: the long sides of the first layer of paper and the second layer of paper are stacked on top of each other in a shingled manner is that the second surface of the first layer of paper accounts for the The second half of the width of the short side of the first layer of paper is attached to the first half of the short side of the second layer of paper on the first surface of the second layer of paper; the stone paper is spiral and The stone paper straw that is wound into a tube in a staggered overlapping manner is the winding part starting from the end point of the first turn of the winding of the stone paper and thereafter, and the second surface of the first layer of paper accounts for the The first half of the 1/2 short side width of the first layer of paper is adhered to the second half of the second layer of paper. The stone paper straw according to claim 1, characterized in that the stone paper material comprises: the one-layer paper, the second-layer paper and a third-layer paper, the first-layer paper, the second-layer paper and the The third layer of paper is an elongated stone paper of the same width. The first layer of paper, the second layer of paper, and the third layer of paper all have opposing first and second surfaces. The first layer of paper, the The long sides of the second layer paper and the third layer paper are stacked on top of each other in a shingled manner, and are bonded to each other with a portion of 1/2 short side width. The stone paper is wound in a spiral winding manner , And the first layer of paper, the second layer of paper and the third layer of paper are adhered to each other in a staggered overlapping manner to form a stone paper straw with three layers of pipe walls, wherein the first layer of paper becomes a stone paper straw The outermost layer and the second layer of paper become the middle layer of the stone paper straw, and the third layer of paper becomes the inner layer of the stone paper straw. The stone paper straw according to claim 4, characterized in that the long sides of the first layer of paper, the second layer of paper and the third layer of paper are stacked on top of each other in a tiled manner is the first layer of paper The second surface occupies the second half of the first layer of paper, and the second half of the width of the second layer of paper is pasted to the second layer of paper, the first half of the second layer of paper, the first half of the short side of the width. The second surface of the second layer of paper occupies the second half of the second layer of the short side width of the second half of the third layer of paper attached to the first surface of the third layer of paper the short side of the width of 1/2 The first half; where the stone paper is wound into a tubular stone paper straw in a spiral and misaligned manner, starting from the end of the first turn of the stone paper and the subsequent winding part, the The second surface of the first layer of paper occupies the first half of the width of the short side of the first layer of paper and the first half of the second layer of paper is attached to the first surface of the second layer of paper The second half of the second layer of paper, the second surface of the second layer of paper accounts for 1/2 the width of the second layer of paper, the first half of the second layer of paper is attached to the first surface of the third layer of paper, the third layer of paper The second half of the short side width. A method for manufacturing a stone paper straw, including the following steps: A. Prepare at least two stone paper strips, namely a first layer paper and a second layer paper, the width of the short sides of the first layer paper and the second layer paper Same; B. The long sides of the first layer of paper and the second layer of paper are stacked on top of each other in a tiling manner, and are bonded to each other with a portion of 1/2 short side width to form a stone paper; and C . Wrap the stone paper in a spiral winding manner, and stick the first layer of paper and the second layer of paper to each other in a staggered overlapping manner to form a stone paper straw with at least two layers of pipe walls, the first The layer paper becomes the outermost layer of the stone paper straw, and the second layer paper becomes the inner layer of the stone paper straw. The method for manufacturing a stone paper straw according to claim 6, characterized in that the contact surfaces between the first layer paper, the second layer paper and the third layer paper are bonded together using hot melt adhesive. The method for manufacturing a stone paper straw according to claim 6, characterized in that the hot melt adhesive is first heated into a fluid state by an external heating element, and then sprayed on the first by spraying through a glue application unit Layer paper, the contact surfaces of the second layer paper and the third layer paper are stuck together. The method for manufacturing a stone paper straw according to claim 6, characterized in that the long sides of the first layer of paper and the second layer of paper are stacked on top of each other in a tiled manner to form the second surface of the first layer of paper The second half of the first layer of paper is attached to the first half of the second layer of paper, the first half of the second layer of paper is adhered to the first half of the second layer of paper; Spiral and staggered way of winding into a tubular stone paper straw is from the end of the first round of the winding of the stone paper and the subsequent winding part, the second surface of the first layer of paper The first half of the width of the short side of the first layer of paper is adhered to the second half of the second surface of the first surface of the second layer of paper.

Images