JP4964051B2 - Ladder straw package manufacturing method and straw package - Google Patents

Description

  The present invention relates to a method for manufacturing a ladder straw package in which a large number of straws are packaged in parallel in a plastic film, and a straw package that can easily take out the straw packaged in the package.

Liquid drinks such as milk drinks and juices are sold by being filled in drink containers such as paper containers and plastic bottles. In a small beverage container, a straw package is attached to the beverage container so that the beverage can be drunk without drinking directly from the beverage container. In this straw package, the straw is packaged with a polyolefin-based resin film such as a polyethylene film or a polypropylene film, and it is not easy to take out the wrapped straw from the straw package.
In the beverage industry, in order to take out the content straw from the straw packaging attached to the beverage container, the drinking end side of the straw is pushed toward the tip of the straw, and the leading end of the straw is then wrapped at the tip end of the straw. It is recommended to break through the body film seal.

The straw packaging body currently manufactured and sold by the applicant is sealed around its width, and the width of the drinking mouth side sealing portion of the straw and the width of the tip sealing portion on the tip piercing side of the straw are each 3.0 mm wide. In this practical straw packaging body, a force of about 500 to 550 gf is required for the polypropylene biaxially stretched film to take out the straw from the packaging body by pushing the drinking mouth side of the straw toward the leading end side of the straw. .
As a result, there is a problem that it is difficult for children, women, and elderly people to take out the straw from the package.
For the purpose of solving this problem, the straw that makes it easier to take out the straw by narrowing the width of the tip seal portion on the tip piercing side of the straw compared to the seal width of the seal portion on the drinking mouth side of the straw packaging body A package is well-known (for example, patent document 1).
JP 2006-143306 A

In the example of the prior art of Patent Document 1, the seal width of the seal portion on the side of the straw mouth of the straw package is 4.0 mm, and the width of the tip seal width on the tip piercing side of the straw is 2.7 mm.
Even in this straw packaging body of the preceding example, since the width of the tip seal portion on the tip piercing side is close to 3.0 mm, it is difficult for children, women, and elderly people to easily pull out the straw.
In consideration of this point, the inventors have developed a novel straw package that facilitates extraction of the straw. This straw packaging body has a narrow seal width at the tip seal portion on the tip piercing side of the straw, and is provided with an unsealed tip portion that is not sealed at the tip of the tip seal portion.

On the other hand, a belt-like ladder straw packaging body made up of an upper film having parallel bulging portions in which a large number of straws are accommodated and a lower film is known. This rudder straw packaging body is packaged by aligning the sharp tips on the piercing side of the straw to be packed, and at the time of packaging, it is arranged in two rows, and the sharp tip on the piercing side of the straw is faced.
The two-row ladder straw package includes a horizontal seal portion between the straws, a vertical seal portion on the drinking mouth side of the straw, and a vertical seal portion on the tip piercing side of the straw.
Conventionally, the two-row ladder straw package manufactured by the applicant has a width dimension of the vertical seal portion on the side of the drinking mouth of 3.0 mm or more, and the width of the vertical seal portion on the tip piercing side of the straw. The size is 6.0 mm, and when separating into one row of ladder straw packaging, each row of ladder straw packaging is cut at the center of the width 6.0 mm of the tip vertical seal part on the tip piercing side of the straw. The width dimension of the vertical seal part on the tip piercing side of the body straw is set to 3.0 mm, and the width dimension of the vertical seal part on the side of the straw mouth of the ladder straw package is cut to a width of 3.0 mm.
The present invention provides a novel ladder straw package manufacturing method and a novel straw package for manufacturing a novel straw package developed by the inventors.

For this purpose, the ladder straw packaging body of the present invention is provided with a large number of parallel bulging portions on the upper film, the straws are accommodated in the bulging portions, and the lower films are joined together and horizontally sealed between the straws. , Each straw has its tip pierced portion facing each other to form two rows of ladder straw packaging, a vertical seal is formed on the drinking mouth side of each row of straws, and there is no seal between the piercing end of each straw 2 rows of vertical seals with a narrow width, and cuts the outside of the vertical seal on the drinking mouth side of the straw and the center position of the non-seal between the two vertical seals It is made.
Moreover, the manufacturing method of the ladder straw packaging body of the present invention is such that the width dimension of the vertical seal part on the side of the cut drinking mouth is 3.0 mm ± 0.2 mm, and the width dimension of the vertical seal part of the two narrow rows. Is 2.0 mm, and the width dimension of the non-sealed portion between the two rows of vertical seal portions is 2.0 mm.

Furthermore, the straw packaging body of the present invention comprises a bulging upper film having a rectangular planar shape and accommodating a straw, and a lower film, wherein the periphery of the upper film and the lower film is sealed, and the tip of the straw The seal width of the tip seal portion on the piercing side is narrowed, and a tip non-seal portion that is not sealed is provided at the tip of the tip seal portion.
The width of the tip non-sealing portion is half the width of the tip sealing portion.
The width of the tip sealing portion is 2.0 mm, the width of the tip non-sealing portion is 1.0 mm ± 0.2 mm, and the total width of the tip sealing portion and the tip non-sealing portion is 3.0 mm ± 0.2 mm. It is.

Further, the ladder straw package of the present invention is a belt-like ladder straw package comprising an upper film having parallel bulging portions in which a large number of straws are accommodated, and a lower film, and the periphery of the upper film straw And the lower film are sealed, the seal width of the tip side vertical seal part on the tip piercing side of the straw is narrowed, and the tip side non-seal part not sealed is provided at the tip of the tip side vertical seal part It is.
The width of the tip non-sealing portion is half the width of the tip sealing portion.
The width of the tip sealing portion is 2.0 mm, the width of the tip non-sealing portion is 1.0 mm ± 0.2 mm, and the total width of the tip sealing portion and the tip non-sealing portion is 3.0 mm ± 0.2 mm. It is.

  In the method for producing a ladder straw package of the present invention, the upper film is provided with a large number of parallel bulging portions, the straws are accommodated in the bulging portions, the lower films are combined and the respective straws are horizontally sealed, The straw pierced portion of the straw is turned into two rows of ladder straw packaging, a vertical seal portion is formed on the drinking mouth side of each row of straws, and a non-sealed portion is placed between the tips of the straw piercing side. It is provided with two rows of narrow vertical seal portions, and cuts the outside of the vertical seal portion on the drinking mouth side of the straw and the center position of the non-seal portion in the middle of the two rows of vertical seal portions. Therefore, it is easy to provide a ladder straw packaging body in which a narrow vertical seal portion is provided at the tip piercing side tip of the straw, and a non-sealed tip side seal portion is provided at the tip of the tip side vertical seal portion. Can be manufactured There is that effect.

  Moreover, the manufacturing method of the ladder straw packaging body of the present invention is such that the width dimension of the vertical seal part on the side of the cut drinking mouth is 3.0 mm ± 0.2 mm, and the width dimension of the vertical seal part of the two narrow rows. 2.0 mm, and the width dimension of the non-sealed portion between two rows of vertical seal portions is 2.0 mm. Therefore, when the straw packaging body manufactured by this method is taken out, the drinking mouth of the straw The side is pushed and the tip of the straw piercing side is pierced with a narrow vertical seal portion having a width of 2.0 mm. Therefore, the piercing is easy and the straw can be easily taken out.

  The straw packaging body according to the present invention comprises a bulging upper film having a rectangular planar shape and containing a straw, and a lower film, wherein the periphery of the upper film and the lower film is sealed, and the leading end of the straw is pierced The tip seal part has a narrow seal width and an unsealed tip end seal is provided at the tip of the tip seal part.When removing the straw, the straw tip passes through the narrow tip seal part, and the tip Since it is guided to the non-sealed portion, there is an effect that the straw can be easily taken out.

  The ladder straw packaging body of the present invention is a belt-like ladder straw packaging body composed of an upper film having parallel bulging portions in which a large number of straws are accommodated, and a lower film. The film is sealed, the seal width of the tip side vertical seal part on the tip piercing side of the straw is narrowed, and the tip side non-seal part not sealed is provided at the tip of the tip side vertical seal part. Therefore, as described above, there is an effect that it is possible to provide a straw package body in which the straw can be easily taken out when the straw is taken out.

The invention is illustrated by the embodiments shown in the drawings.
FIG. 1 to FIG. 3 show the steps of the method for producing a ladder straw package of the present invention, FIG. 1 shows the packaging step, FIG. 2 shows the cutting step, and FIG. 3 shows two rows of ladder straw packaging. The expanded sectional view of the process of providing a non-seal part in the middle between the tip stab side tip of each straw of a body and providing two rows of narrow vertical seal parts is shown. 4 and 5 show a partial cross-sectional view and a partial plan view of a ladder straw package manufactured by the method of the present invention.
In the figure, reference numeral 1 denotes an upper film of a ladder straw packaging body, and a large number of parallel bulging portions 2 are provided, and the straws 3 are accommodated in the respective bulging portions 2. The upper film 1 and the lower film 4 are combined and the straws 3 and 3 are laterally sealed to form a lateral seal portion 5. The rudder straw packaging body is vertically sealed at the drinking mouth side and the tip piercing side tip of the packed straw 3, and provided with vertical seal portions 6 and 7, and the straw 3 is hermetically packaged.

  In the method for manufacturing a ladder straw package of the present invention, two rows of ladder straw packages are integrally formed, and the two rows are cut and separated for each row. As shown in FIG. 1, the straws 3 and 3 are arranged with their tip piercing sides facing each other. Each straw 3 is accommodated in the bulging portion 2 of the upper film 1, the lower film 4 is aligned with the upper film 1, and a horizontal seal portion 5 is formed by laterally sealing between the straws 3, 3. The mouth side is vertically sealed to form a longitudinal seal portion, and at the same time, the tip end of the straw 3 is vertically sealed to form the longitudinal seal portion 7. In the present invention, a vertical seal is provided at the tip piercing side tip of each straw 3, 3 of the two rows of ladder straw packages, and a non-seal portion 8 is provided between the vertical seal portions 7,7.

The vertical seal portion 6 on the drinking mouth side of the straw 3 and the vertical seal portion 7 on the tip piercing side tip of the straw 3 are sealed by a seal roller in the packaging process. As shown in FIG. 1, in each ladder straw package, the vertical seal portion 6 on the drinking mouth side of the straw 3 is sealed by seal rollers 9 and 9, and the vertical seal portion 7 on the tip piercing side tip of the straw 3 is a seal roller. 10 is sealed. As shown in FIGS. 1 and 3, the sealing roller 10 forms a groove 11 in the center of the roller surface to form a non-sealed portion 8.
Specifically, the width of the vertical seal portions 6 and 6 on the drinking mouth side of the straw 3 is set to 3.0 mm ± 0.2 mm, and the width of the vertical seal portions 7 and 7 on the tip piercing side tip of the straw 3 is set to 2.0 mm. Yes, the width of the non-seal portion 8 is 2.0 mm.

  After the packaging process in which two rows of ladder straw packages are integrally packaged as described above, a cutting process is performed in which the two rows of ladder straw packages are cut and separated into one row of ladder straw packages. As shown in Fig. 4, the outer edges of the vertical seal portion 6 are cut by the cutters 11 and 11 along the outside of the vertical seal portion 6 on the drinking mouth side of the straw 3 of each ladder straw package, and the leading end of each straw 3 is pierced. A cutting process is performed by cutting with a cutter 12 along the center position of the non-seal portion 8 between the vertical seal portions 7 and 7 at the side tip, and two rows of integrated ladder straw packaging bodies are separated into another row of ladders. Make a straw package. FIG. 4 and FIG. 5 show a part of each of the other rows of ladder straw packages.

  FIGS. 6 to 9 show the ladder straw package manufactured as described above, which is cut and separated into individual straw packages. As shown in the figure, the straw package body has a rectangular planar shape, and includes an upper film 1 and a lower film 4 having a bulging portion 2 in which the straw 3 is accommodated, and the upper film 1 and the lower film 4. Are sealed around the straw 3, the horizontal seal portions 5 are provided on both sides of the straw 3, the vertical seal portion 6 is provided on the drinking mouth side of the straw 3, and the vertical seal portion 7 is provided on the tip piercing side tip of the straw 3. Is provided, and a non-seal portion 8 is provided at the tip.

  The seal width of the vertical seal portion 7 at the tip piercing side tip of the straw 3 of the straw package is narrowed. Specifically, the seal width of the vertical seal portion 6 on the drinking mouth side of the straw 3 is set to 3.0 mm ± 0.2 mm, and the seal width of the vertical seal portion 7 on the tip piercing side of the straw 3 is set to 2.0 mm. In addition, the width of the unsealed portion 8 ahead is 1.0 mm ± 0.2 mm.

  As a result of an extrusion test in which the straw packaging body of the present invention having the configuration as described above and the conventional straw packaging body are pushed out from the drinking mouth side of the straw 3 and extracted from the tip piercing side, as shown in the following table Met. This test was performed on 10 products each.

  In the straw packaging body of the present invention, the average was 254 gf. This made it possible to take out the straw with an extrusion force of approximately half of the average value of 513 gf when the conventional straw package was extruded. That is, there is an effect that even a child, a woman, or an elderly person can take out the straw lightly. Further, in the straw packaging body of the present invention, the non-sealed portion 8 which is not sealed is provided at the tip of the vertical seal portion 7 at the tip piercing side tip of the straw 3, so that the tip of the straw 3 is guided by this non-sealed portion 8. And easy to push out straws.

The top view explaining the packaging process of the manufacturing method of this invention ladder straw package. The top view explaining a cutting process similarly. The expanded sectional view of the process of providing a non-seal part in the middle between the front-end-piercing side front-end | tips of each straw of a two-row ladder straw packaging body, and providing two narrow vertical seal parts. Sectional drawing of a part of this invention ladder straw packaging body. The top view of a part of this invention ladder straw package. The top view of this invention straw packaging body. Sectional drawing which follows the vertical direction of the straw of this invention ladder straw packaging body. The expanded sectional view of one Example of the principal part of this invention ladder straw package. The expanded sectional view of the other Example of the principal part of this invention ladder straw package.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Upper film 2 Swelling part 3 Straw 4 Lower film 5 Horizontal seal part 6,7 Vertical seal part 8 No seal part 9,10 Seal roller 11,12 Cutter

Claims (1)

  The upper film is provided with a number of parallel bulges, the straws are stored in the bulges, the lower film is aligned, the spaces between the straws are horizontally sealed, and each straw is placed in two rows with its pierced ends facing each other. A vertical sealing portion is formed on the drinking mouth side of each row of straws, and a non-sealing portion is provided in the middle between the leading end side of each straw to provide two narrow vertical sealing portions. A method for producing a ladder straw package, which is provided and cuts the outside of the vertical seal portion on the drinking mouth side of the straw and the center position of the non-seal portion in the middle of the two rows of vertical seal portions.

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