JP7144986B2 - Roll material package - Google Patents

Description

The present invention is a roll material package comprising a roll material in which a sheet-like material is wound around a tubular core, a first packaging material packaging the roll material, and a second packaging material packaging them. Regarding.

Conventionally, sheet-like materials such as paper, film (porous film or non-porous film), foamed sheet, and fabric (for example, fiber web, non-woven fabric, woven fabric, knitted fabric, etc.) having a continuous length are cylindrical. It is traded in the state of roll material wound around a core.
In addition, in order to maintain the hygienic properties of the sheet material in the roll material and prevent staining and damage (especially when the sheet material is a base material for medicinal patches, a base material for facial masks, a base material for masks, etc.) In some cases, the roll material is stored or transported in the state of a roll material package that is wrapped in a wrapping material such as wrapping paper or a bag.
As such a roll material package, for example, in Patent Document 1, after wrapping the roll material with a single layer or laminated packaging material, the end of the packaging material is tied with a binding material such as a string, and the inner side of the cylindrical core A roll of material package is disclosed that is suspended and retained in a wooden box prepared by pressing into it.

Japanese Patent Application Laid-Open No. 2001-305697 (Claims, 0019, FIG. 1, etc.)

The applicants of the present application have studied a roll material package based on the technology disclosed in Patent Document 1. However, the technique disclosed in Patent Document 1 cannot solve the following problems.
In order to keep the inside of the factory sanitary, care is taken to keep the inside of the factory free from foreign substances such as insects, human hair, and/or dust.
However, when foreign matter adheres to the surface of the roll material package disclosed in Patent Document 1, even if an attempt is made to remove the foreign matter from the roll material package, the outermost packaging material to which the foreign matter has adhered is removed. Each end of each packaging material is bundled together in a laminated state and bound with a binding material, and when the binding material is removed, the roll material is exposed to the outside of the packaging material. In other words, there is a problem in that it is impossible to remove only the outermost layer of packaging material to which foreign matter is attached without exposing the roll material to the outside of the packaging material.
Therefore, it has not been easy to maintain sanitation of the sheet material, prevent staining and breakage of the sheet material, and prevent foreign matter from entering the factory.

The present invention
"A roll material package comprising a roll material in which a sheet-like material is wound around a cylindrical core , a bag as a first packaging material packaging the roll material, and a second packaging material,
The roll material has a shape in which the tubular core does not protrude from both end faces, or a shape in which the tubular core protrudes only from one end face, or a shape in which the tubular core protrudes from both end faces. The core protrudes, and the axial length of the cylindrical core protruding from the end surface is 5 mm or less,
In order to prevent the roll material from being exposed to the outside of the bag , the mouth portion of the bag is closed by being bound only at one end face side of the roll material, and the roll material is bound . The roll material is wrapped in the bag by inserting the mouth portion of the bag closed with the inside of the cylindrical core at one end surface of the roll material,
The second packaging material wraps the roll material wrapped in the bag , and the ends of the second packaging material are not closed together with the bag , but are cylindrical with the bag interposed therebetween. inserted inside the core,
Roll material packaging. ”
is.

The applicant of the present application has a roll material in which a sheet-like material is wound around a tubular core, and a first packaging material that wraps the roll material, and the roll material is exposed to the outside of the first packaging material. The end of the first packaging material is closed so that there is no roll, and the closed end of the first packaging material is inserted into the tubular core for packaging. We examined the material packaging.
As a result of investigation, it was found that the above-described problems can be solved when the roll material package has the following configuration.

In the roll material package of the present invention, the roll material wrapped in the first packaging material (the closed end of the first packaging material is inserted into the cylindrical core) is wrapped from above. A second packaging material is provided. Therefore, the presence of the second packaging material can prevent foreign matter from adhering to the surface of the first packaging material that packages the roll material.
The end of the second packaging material is inserted into the tubular core with the first packaging material therebetween without being closed together with the first packaging material. Therefore, the second packaging material can be removed from the roll material package without opening the closure of the end of the first packaging material.
As a result, immediately before carrying the roll material package into the factory, the second packaging material can be easily removed from the roll material package outside the factory, and the roll material wrapped with the first packaging material can be carried into the factory. can be done. At this time, the roll material is not exposed to the outside of the packaging material.
Therefore, the roll material package according to the present invention maintains the sanitation of the sheet material and prevents staining and damage from occurring, prevents foreign matter from entering the factory, and is packaged with the first packaging material. It is possible to carry the cleaned roll material (sheet-shaped material that is hygienic and prevents the adhesion of dirt and damage) into the factory.

FIG. 1 is a schematic diagram (FIG. 1 of Patent Document 1) showing a cross section of a roll material package disclosed in Patent Document 1; 1 is a schematic diagram showing a cross section of a roll material wrapped with a first packaging material according to the present invention; FIG. The closed end of the first packaging material is inserted inside the tubular core. It is a schematic diagram showing a cross section of a roll-shaped package according to the present invention. 1 is a photograph showing a mode in which roll-shaped packages according to the present invention are horizontally stacked. (a) is a photograph of one end surface of the roll material according to the present invention, and (b) is a photograph of the other end surface of the roll material according to the present invention. Fig. 2 is a photograph showing a roll material wrapped with a first packaging material according to the present invention, in which an end of the first packaging material is closed; A roll material wrapped with a first packaging material according to the present invention, wherein the end of the first packaging material is closed and the closed end is inserted into the tubular core. This is a photograph of 4 is a photograph showing a state in which a roll material wrapped with a first packaging material according to the present invention is placed inside a second packaging material. In the rolled package according to the present invention, the roll material wrapped with the first packaging material is wrapped with the second packaging material, and the end of the second packaging material is closed together with the first packaging material. 1 is a photograph showing a state in which a first packaging material is inserted into a tubular core without a first packaging material interposed therebetween. Fig. 10 is a photograph showing a roll-shaped package according to the present invention, in which an adhesive tape is attached in the shape of an X so as to cover the end of the inserted outer bag.

In the present invention, various configurations such as the following configurations can be appropriately selected.
A roll-shaped package (101) according to the present invention will be described mainly with reference to FIGS. 2 to 10. FIG.

In addition, the applicant of the present application has found that there is a latent demand for storage or transportation in a state of being horizontally stacked in the roll material package (101). Therefore, it is preferable that the roll material package (101) according to the present invention has a mode in which it can be horizontally stacked. The roll material package (101) according to the present invention will also be described with respect to a mode in which it can be horizontally stacked. It should be noted that the roll material package disclosed in Patent Document 1 is designed so that the roll material package can be hung on a wooden box and held in midair, from both end surfaces of the roll material package (the surface viewed from the axial direction of the tubular core), the cylinder It is necessary that the protruding portion derived from the cylindrical core has a shape protruding long in the axial direction of the cylindrical core. Therefore, the roll material package disclosed in Patent Document 1 cannot be stored or transported in a horizontally stacked state due to the presence of the projecting portion.

The roll material package (101) of the present invention comprises a roll material (30) in which a sheet-like material (10) is wound around a tubular core (20), and a first core packaging the roll material (30). It comprises a wrapping material (40) and a second wrapping material (50).

The roll material package (101) of the present invention preferably has a shape that allows it to be horizontally stacked. The term "horizontal stacking" as used in the present invention means that the end surfaces (surfaces viewed from the axial direction of the cylindrical core (20)) of a plurality of roll material packages (101) are brought into contact with each other while facing each other to form a plurality of rolls. It means arranging the material packages (101). At this time, a plurality of roll material packages (101) may be arranged in a direction opposite to the direction of gravity or arranged in a direction perpendicular to the direction of gravity. For example, FIG. 4 shows a mode in which two roll material packages (101) are horizontally stacked in the direction opposite to the direction of gravity on a desk located on the lower side of the page. In FIG. 4, the direction from the top to the bottom of the paper is the direction of gravity.
In addition, the fact that the roll material packages (101) can be horizontally stacked means that a plurality of roll material packages (101) can be stored and stored in a stable state by preventing the state from collapsing while being horizontally stacked. means it can be carried.

The sheet-like material (10) may have a continuous length (length in the long side direction) that can be wound around the tubular core (20), and its type can be appropriately selected. It can be paper, film (porous film or non-porous film), foam sheet, fabric (eg, fiber web, non-woven fabric, woven fabric, knitted fabric, etc.).

Various configurations of the sheet-like material (10) can be appropriately selected, and for example, the thickness can be 0.01 mm to 50 mm, and the basis weight can be 10 g/m ² to 250 g/m ² .
The length of the long side of the sheet (10) is preferably adjusted appropriately so as to provide a roll material package (101) that can be stacked horizontally. A sheet-like material (10) having a length in the long side direction that allows preparation of a roll material (30) having a shape that can be stacked horizontally, which will be described later, so as to provide a roll material package (101) that can easily perform is preferred.
In addition, the length of the sheet material (10) in the direction perpendicular to the long side direction (hereinafter sometimes referred to as the width direction) can be adjusted as appropriate. 101), the difference between the axial length of the tubular core (20) and the widthwise length of the sheet (10) is preferably 40 mm or less, more preferably 20 mm or less. Preferably, it is less than or equal to 10 mm, and most preferably between 0 mm and 5 mm.

The tubular core (20) is a member having a tubular structure with a hollow inside, which serves to wind the sheet-like material (10). The shape of the cylindrical core (20) can be appropriately selected as long as the sheet-like material (10) can be wound thereon, and the cross-sectional shape may be circular, rectangular, or polygonal. good. In particular, a cylindrical core (20) having a circular cross-section is preferable because it can provide a roll material (30) wound around the sheet (10) under uniform tension.
The outer diameter and inner diameter (diameter of the hollow portion) of the cylindrical core (20) are appropriately selected so as to hold the wound sheet-like material (10). For example, the outer diameter is 74 mm to 150 mm. The internal diameter can be between 54 mm and 146 mm and the thickness of the tubular core (20) can be between 2 mm and 10 mm.
It is preferable to adjust the axial length of the cylindrical core (20) so that the roll material package (101) can be horizontally stacked based on the width of the sheet material (10) to be wound. .
The material of the cylindrical core (20) is appropriately selected so as to hold the wound sheet (10), and can be made of paper, resin, metal, or the like. If the sheet (10) is a separator for an electrochemical device, etc., where metal foreign matter should not adhere, the cylindrical core (20) is preferably made of paper or resin.

The shape of the roll material (30) is preferably adjusted appropriately so as to provide a roll material package (101) that can be horizontally stacked. It is preferable that the roll material (30) itself also has a shape that allows horizontal stacking so that the object (101) can be provided. Specifically, when the roll material (30) is viewed from a direction perpendicular to the axial direction of the tubular core (20) (hereinafter sometimes referred to as a side view), the It is preferable to have a profile whose axial length is shorter than the length of the diameter at the end face of the roll material (30).

Further, when the tubular core (20) protrudes from the end surface of the roll material (30), the axial length of the protruding tubular core (20) is preferably 20 mm or less, and is 15 mm or less. , more preferably 10 mm or less, more preferably 5 mm or less, and most preferably a shape in which the cylindrical core (20) does not protrude from the end face of the roll material (30). Furthermore, a shape in which the tubular core (20) protrudes from only one end surface of the roll material (30) is preferable, rather than a shape in which the tubular core (20) protrudes from both end surfaces of the roll material (30). Most preferably, the cylindrical core (20) has a non-protruding shape.
It is preferable that the end face of the roll material (30) and the end of the cylindrical core (20) are not buried in the inside of the roll material (30).

In addition, the shortest distance from the outer circumference of the tubular core (20) to the outer circumference of the roll material (30) is longer than the length of the shortest distance from the center of the end face of the roll material (30) to the outer circumference of the tubular core (20). Preferably, the roll material (30) is longer in length.

The first packaging material (40) is a member for packaging the roll material (30).
The type of the first packaging material (40) can be appropriately selected from those generally usable for packaging articles, and examples include paper, film (porous film or non-porous film), foam sheet, fabric It may be a flat membrane sheet, a cylindrical sheet, or a bag made of web, nonwoven fabric, woven fabric, knitted fabric, or the like. The type of the material can also be selected as appropriate, and for example, it can be made of paper or organic resin (eg, polyolefin resin, vinyl chloride resin, etc.).
The thickness of the first wrapping material (40) is such that the roll material (30) can be wrapped and the end of the first wrapping material (40) can be closed and inserted into the interior (21) of the tubular core. Select as appropriate so that the part can be formed. Specifically, the thickness can be from 5 μm to 120 μm. In addition, the size of the first packaging material (40) is such that the roll material (30) can be wrapped so that the roll material (30) is not exposed to the outside of the first packaging material (40), and the first packaging material (40) can be The size is selected to close the end of the material (40) to form an end that is insertable into the interior (21) of the tubular core.

In the present invention, the state in which the ends of the first packaging material (40) are closed means that the roll material (30) wrapped in the first packaging material (40) is 1 means a state in which the ends of the first packaging material (40) are bound so as not to be exposed to the outside of the packaging material (40) (space not surrounded by the first packaging material (40)) do.

The method of binding the ends of the first packaging material (40) can be selected as appropriate. A method using a binding material (60) such as a binding band can be adopted. Alternatively, the ends of the first packaging material (40) may be tied without using the binding material (60). The method of tying the ends can be selected as appropriate. When binding the ends, as shown in FIG. 1, it is preferable to bind the ends of the first packaging material (40) with a binding material (60) once folded.

As a method for binding the ends of the first packaging material (40) so that it can be inserted into the interior (21) of the tubular core, for example, the following method can be employed.
A bag is used as the first packaging material (40). After the roll material (30) is placed inside the bag, the remaining part of the bag (the part of the bag from the part in contact with the edge of the roll material (30) to the mouth of the bag) is removed from the roll material ( 30) along the end face, squeeze together at the center of the end face. At this time, the excess portion of the bag may be twisted and squeezed together, but it is better if the mouth of the bag is squeezed together without twisting the central portion of the end face of the excess portion of the bag. This is preferable because it facilitates the formation of a space (42), which will be described later. Fold the squeezed part of the bag once and tie it. At this time, the length from the central portion of the end surface of the roll material (30) to the bound portion of the bag, and the size and depth to which the end of the second packaging material (51 in FIG. 3) can be inserted in the process described later are determined. The length is such that the space (42) can be formed.

As shown in Figure 2, the closed end (41) of the first packaging material is inserted into the interior (21) of the tubular core. At this time, in the roll material (30) wrapped with the first packaging material (40), the first packaging material (40) inserted into the interior (21) of the tubular core and the closed first packaging material (40) A space (42) formed by the ends (41) of the packaging material is formed in the interior (21) of the tubular core. The space (42) is adjusted to have a size and depth to allow insertion of the end (51 in FIG. 3) of the second packaging material.

In addition, when a flat membrane sheet, a cylindrical sheet, or the like is adopted as the first packaging material (40), the closed ends (41) of the first packaging material are formed on both end surfaces, respectively, and the cylinder Alternatively, the ends (41) of the closed first packaging material may be inserted into the interior (21) of the shaped core (not shown). However, in order to provide a roll material package (101) that can be stably stacked horizontally and easily stored and transported, the roll material (100) wrapped with the first packaging material is manufactured by reducing the number of processes. As shown in FIG. 3, the end of the first packaging material closed ( 41) is formed, and the closed end (41) of the first packaging material is inserted into the interior (21) of the tubular core. Such a preferred embodiment can be achieved by employing a bag as the first packaging material (40). Also, on the other end face side of the first packaging material (40), an adhesive tape may be stuck and the remaining first packaging material (40) may be fixed on the end face. Although the method of fixing with the adhesive tape is adjusted as appropriate, it can be pasted so as to form a single character or an X character.

The shape of the roll material (100) wrapped with the first packaging material is preferably adjusted as appropriate so as to provide a roll material package (101) that can be horizontally stacked. In order to provide a roll material package (101) that can be easily transported, it is preferable that the roll material (100) itself wrapped with the first packaging material also has a shape that allows horizontal stacking.

The second packaging material (50) is a rolled material (100) wrapped by the first packaging material (the closed end (41) of the first packaging material is inserted into the interior (21) of the tubular core). ) is a member for packaging.
The type and material of the second packaging material (50) are appropriately selected, and those mentioned in the description of the first packaging material (40) can be employed. As the second packaging material (50), the same packaging material as the first packaging material (40) may be adopted.
The thickness of the second wrapping material (50) is such that the roll material (100) wrapped by the first wrapping material can be wrapped and the ends of the second wrapping material (50) can be placed between the first wrapping material (40). It is appropriately selected so that it can be inserted into the interior (21) of the tubular core through the . Specifically, the thickness can be from 5 μm to 120 μm. In addition, the size of the second packaging material (50) is such that it can wrap the roll material (100) wrapped in the first packaging material, and the end (51) of the second packaging material can be inserted into the first packaging material (40). is appropriately selected so that it can be inserted into the interior (21) of the tubular core via the

The roll material (100) wrapped with the first packaging material (the closed end (41) of the first packaging material is inserted into the interior (21) of the tubular core) is wrapped from above. In the second packaging material (50), the end (51) of the second packaging material is not closed together with the first packaging material (40) (in other words, the end (41) of the first packaging material and the ends (51) of the second packaging material are individually closed) and are inserted into the interior (21) of the tubular core with the first packaging material (40) interposed therebetween; It means a state in which the end (51) of the second packaging material is inserted into the space (42 in FIG. 2) formed inside (21) of the tubular core.

The form of the end portion (51) of the inserted second packaging material can be selected as appropriate, but even if the end portion is bound using a binding material (not shown), it can be tied and bound without using a binding material. It may be the edge. In particular, since the second packaging material (50) can be easily removed from the roll material package (101), the first It is preferably a roll material package (101) which is inserted into the interior (21) of a tubular core with a wrapping material (40) interposed therebetween. As a specific example, the end (51) of the second packaging material is folded back once or more, or the end (51) of the second packaging material is twisted and formed inside (21) of the tubular core. The end (51) of the second wrapping material may be inserted into the open space (42 in Figure 2).

In addition, when a flat membrane sheet, a cylindrical sheet, or the like is adopted as the second packaging material (50), the ends (51) of the second packaging material are attached to both end surfaces of the roll material package (101). In each formable packaging mode, on both end sides of the roll material package (101), the ends of the second packaging material (40) are inserted into the interior (21) of the tubular core with the first packaging material (40) in between. It is good also as the aspect which each part (51) is inserted (not shown). However, in order to provide a roll material package (101) that can be stably stacked horizontally and easily stored and transported, as shown in FIG. Only, it is preferable that the end portion (51) of the second packaging material is inserted into the interior (21) of the tubular core with the first packaging material (40) interposed therebetween. At this time, on the other end face side of the roll material package (101), the remaining second packaging material (50) may be fixed on the end face by sticking an adhesive tape or the like. The fixing method using the adhesive tape may be adjusted as appropriate, but the adhesive tape can be attached so as to form a - character or an X character.

In order to prevent the end (51) of the second packaging material from unintentionally jumping out of the space (42 in FIG. 2) in the roll material package (101) prepared in this way, an inserted It is preferable to stick and fix an adhesive tape or the like so as to cover the end (51) of the second packaging material. The fixing method using the adhesive tape may be adjusted as appropriate, but the adhesive tape can be attached so as to form a - character or an X character. By doing so, it is possible to more effectively prevent foreign matter from adhering to the surface of the roll material (100) wrapped with the first packaging material.

The roll material package (101) preferably has a shape that allows it to be horizontally stacked.
Specifically, the length in the axial direction of the roll material package (101) when viewed from the side of the roll material package (101) is shorter than the length of the diameter of the end surface of the roll material package (101). It preferably has a contour.
In addition, the distance from the outer circumference of the cylindrical core (20) to the outer circumference of the roll material package (101) is greater than the length of the shortest distance from the center of the end surface of the roll material package (101) to the outer circumference of the cylindrical core (20). It is preferable that the roll material package (101) has a longer shortest distance.
In addition, when there is a protruding portion derived from the tubular core (20) from the end surface of the roll material package (101), the axial direction of the tubular core (20) in the protruding portion derived from the tubular core (20) The total length is 40 mm or less, and the protrusion from each end face is preferably 20 mm or less, more preferably 15 mm or less, and more preferably 10 mm or less, and the protrusion from each end face is 5 mm or less. Further, a shape in which a protruding portion derived from the tubular core (20) protrudes from only one end surface, rather than a shape in which protruding portions derived from the tubular core (20) protrude from both end surfaces of the roll material package (101). and the most preferable shape is one in which the protruding portions derived from the tubular core (20) do not protrude from both end faces.

In addition, the roll material package (101) of the present invention exhibits a secondary effect that it is easy to store and transport a plurality of roll material packages (101) in a bale-stacked state. In other words, since the end (51) of the second packaging material does not exist on the side surface of the roll material package (101), the second packaging material is placed at or near the contact portion between the roll material packages (101). The ends (51) of the roll material packages (101) are easily baled.

EXAMPLES The present invention will be specifically described below with reference to examples, but these are not intended to limit the scope of the present invention.

(Example 1)
(Method for preparing roll material)
A cylindrical paper tube (sectional shape: circular, diameter: 87 mm, diameter of hollow portion: 77 mm, thickness of paper tube: 5 mm, length in the axial direction: 320 mm) was prepared as a cylindrical core.
As a sheet material, a nonwoven fabric having a continuous length in the production direction (length in the production direction: 500 m, length in the width direction perpendicular to the production direction: 315 mm, thickness: 0.80 mm, basis weight: 105 g / m ² ) was prepared.
A roll material shown in FIGS. 5(a) and 5(b) was prepared by winding a nonwoven fabric around a tubular core. The outer shape of the roll material thus prepared had a diameter of 650 mm at the end face of the roll material and a length of 320 mm in the axial direction of the paper tube when viewed from the side of the roll material. The paper tube protrudes 5 mm from one end face of the roll material (the end face shown in FIG. 5A), and the paper tube protrudes from the other end face of the roll material (the end face shown in FIG. 5B). was not

(Method of packaging roll material with first packaging material)
A polyethylene resin bag as the first packaging material (thickness of the film constituting the bag: 45 μm, shape when the bag is placed on a flat surface: rectangular with short sides 1030 mm and long sides 1200 mm, non-breathable, hereinafter referred to as inner bag) was prepared.
The mouth of the inner bag was opened, and the roll material was placed inside the inner bag by arranging so that the end face of the paper tube protruding side of the roll material faced the mouth side of the inner bag. Then, the remaining portion of the inner bag (the portion from the inner bag that is in contact with the edge of the roll material to the mouth of the inner bag) is aligned along the end surface of the roll material, and the central portion of the end surface is used by hand. I squeezed it all together. Then, the end portion (mouth portion of the inner bag) of the remaining portion of the inner bag that was squeezed together was closed by binding with an adhesive tape in a state of being folded once. At this time, the length from the center of the end surface of the roll material wrapped in the inner bag to the bound portion of the inner bag was 110 mm.
The remaining portion of the inner bag was released, and thus the roll material wrapped in the inner bag shown in FIG. 6 was prepared. A closed end of the inner bag was formed only on one end face side of the roll material wrapped in the inner bag.
After that, when the roll material wrapped in the inner bag is viewed from the side, the end of the closed inner bag is pushed inside the paper tube until the end of the closed inner bag cannot be seen. A roll material packed with an inner bag shown in FIG. 7 was prepared. At this time, a space (diameter: 75 mm, depth: 60 mm) formed by the inner bag inserted into the paper tube and the closed end of the inner bag was formed inside the paper tube.
In addition, on the other end face side of the roll material wrapped in the inner bag, the remaining inner bag was fixed on the other end face by sticking an adhesive tape in the shape of an X.

(Method for preparing roll material package)
A polyethylene resin bag as the second packaging material (thickness of the film constituting the bag: 70 μm, shape when the bag is placed on a flat surface: rectangular with short sides 1100 mm and long sides 1200 mm, non-breathable, hereinafter referred to as outer bag) was prepared.
The mouth of the outer bag is opened, and the roll material wrapped in the inner bag is placed so that the end face of the side with the protruding part derived from the paper tube of the roll material wrapped in the inner bag faces the mouth side of the outer bag, and the roll material wrapped in the inner bag is placed. It was put inside the outer bag (Fig. 8).
After that, the remaining part of the outer bag (the part of the outer bag from the part in contact with the edge of the roll material wrapped in the inner bag to the mouth of the outer bag) is gathered without tying and the end is The part was folded in half and inserted into the inside of the paper tube with the inner bag in between (the space formed by the inner bag inserted inside the paper tube and the end of the closed inner bag) (Fig. 9).
Thereafter, an adhesive tape was attached in the form of an X so as to cover the end of the outer bag inserted in the roll material package, thereby preparing the roll material package shown in FIG.
In addition, on the other end face side of the roll material package, the remaining outer bag was fixed on the other end face by sticking an adhesive tape in the form of letters.

In the roll material package according to the present invention prepared in this way, only the outer bag could be easily removed from the roll material package without opening the blockage of the end of the inner bag.
Also, two roll material packages prepared in this manner were prepared. Then, an attempt was made to lay the two roll material packages side by side in the direction opposite to the direction of gravity by contacting the end surfaces of the two roll material packages while facing each other. In addition, the direction of the end face where the projecting portion derived from the paper tube exists in each roll material package was aligned in the direction opposite to the direction of gravity, and the roll material packages were horizontally stacked.
As a result, as shown in FIG. 4, the roll material packages according to the present invention could be horizontally stacked. Furthermore, the rolled material package can be horizontally stacked in a stable state and can be easily stored and transported.

The roll material package of the present invention is a roll material package that can keep the sanitation of the sheet-shaped material, prevent the adhesion of dirt and the occurrence of breakage, can prevent foreign matter from entering the factory, and can be stacked horizontally. rice field. Therefore, it is particularly suitable when the sheet-like material is a material constituting sanitary materials such as adhesive medicinal base materials, facial mask base materials, or mask base materials.

REFERENCE SIGNS LIST 10 Sheet material 20 Cylindrical core 21 Inside of cylindrical core 30 Roll material 40 First packaging material 41 Closed first packaging material End portion 42 . End 60 of the second packaging material...Bundling material 100...Rolled material 101 wrapped with the first packaging material...Rolled material package

Claims (1)

A roll material package comprising a roll material in which a sheet-like material is wound around a tubular core , a bag as a first packaging material for packaging the roll material, and a second packaging material,
The roll material has a shape in which the tubular core does not protrude from both end faces, or a shape in which the tubular core protrudes only from one end face, or a shape in which the tubular core protrudes from both end faces. The core protrudes, and the axial length of the cylindrical core protruding from the end surface is 5 mm or less,
In order to prevent the roll material from being exposed to the outside of the bag , the mouth portion of the bag is closed by being bound only at one end face side of the roll material, and the roll material is bound . The roll material is wrapped in the bag by inserting the mouth portion of the bag closed with the inside of the cylindrical core at one end surface of the roll material,
The second packaging material wraps the roll material wrapped in the bag , and the ends of the second packaging material are not closed together with the bag , but are cylindrical with the bag interposed therebetween. inserted inside the core,
Roll material packaging.

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