JP2002019764A - Resealable hermetic composite container - Google Patents

Abstract

(57) [Summary] [Object] To provide a sealed cylindrical container having a gas barrier property in which the container has perfect confidentiality, hermeticity, and gas shielding property in a cylindrical container having a resealing function. In a paper container, a cylindrical body has an upper end provided with a top plate for sealing an upper opening at an upper end thereof, and a lower end provided with a bottom plate provided for sealing a lower end opening thereof. The plate portion 2 includes a vertical inner wall 5 that is folded back from the upper end of the tubular body 1 along the inside of the body 1, and a horizontal top plate 6 that is continuous with the inner wall 5. , The torso 1 equivalent to the upper part of the top plate 6
Opening engraving lines 7 and 8 were provided on the inner surface in the horizontal direction, and an easily tearable synthetic resin film for barrier-sealing a half cut line of the engraving lines 7 and 8 was provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to solids such as confectionery such as snacks and favorite foods such as coffee,
The present invention relates to a resealable hermetically sealed composite container having a cylindrical shape, a rectangular tube shape, or the like for storing and packaging granules, powdery articles, sports goods such as tennis balls, and the like.

[0002]

2. Description of the Related Art Conventionally, a resealable tubular container made of paper having a tubular body, such as a square tube or a cylinder, whose upper and lower openings are sealed with a top plate and a bottom plate. There is B.

As shown in FIG. 16A, the cylindrical container B has an outer cylinder 20, a top plate 2 at an upper end of the outer cylinder 20, and a bottom plate 3 at a lower end. An inner cylinder 21 having a height lower than that of the outer cylinder 20 is densely mounted inside the cylinder 20 to form a cylindrical body portion 1, and is horizontally lower than the upper end of the inner cylinder 21 of the outer cylinder 20. An engraving line 22 for opening such as a cut perforation or a half-cut line is provided, and the outer cylinder 20 can be separated into an upper outer cylinder 20a and a lower outer cylinder 20b.

Further, the outer cylinder 2 above the engraving line 22 for opening
0 is not attached to the outer surface of the inner cylinder 21 inside the upper cylinder 2 as shown in FIG.
0a side is removed in the direction of the arrow, and sealing is enabled to form a lid 23, and the outer cylinder 20 below the engraving line 22 for opening is opened.
b and the inner cylinder 21 are used as a container storage part 24 (container body part), and the storage part 24 is resealable by the lid part 23.

[0005]

As shown in FIGS. 16 (a) and 16 (b), the above-mentioned conventional re-sealable cylindrical container is horizontally arranged lower than the upper end of the inner cylinder 21 of the outer cylinder 20. Since the engraving line 22 for opening such as a separation perforation and a half-cut line is provided, especially in the case of a packaging container requiring gas barrier properties, the engraving line 22 formed on this container is cut off. Parts could compromise the complete confidentiality of the container or the confidentiality or gas barrier.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a gas-barrier hermetic composite container having a container having a reseal function, which keeps the container completely confidential, hermetically sealed, and gas shielding.

[0007]

The invention according to claim 1 of the present invention comprises a top plate 2 for sealing an upper end opening at an upper end of a cylindrical body 1, and a lower end opening at a lower end. A gas-barrier sealed paper container provided with a bottom plate portion 3 for sealing the portion.
The top plate 2 includes a vertical inner wall 5 that is folded back from the upper end of the cylindrical body 1 along the inside of the body 1, and a horizontal top plate 6 that is connected to the inner wall 5. At least on the inner surface of the tubular body 1 corresponding to the upper part of the top plate 6 by the engraving line for opening 7 or the engraving line for opening 7 and the engraving line for opening 8 parallel thereto. A resealable hermetically sealed composite container comprising an opening portion E, and an easily tearable gas barrier synthetic resin tape covering the engraved line of the opening portion E stuck thereto.

Next, the invention according to a second aspect of the present invention is provided with a top plate portion 2 for sealing an upper end opening at an upper end portion of a cylindrical body portion 1 and sealing the lower end opening portion at a lower end portion. A gas-barrier sealed paper container provided with a bottom plate portion 3 having a lower side than the top plate portion 2, and a cylindrical side wall plate 13 extending in a direction perpendicular to the inner surface of the cylindrical body portion 1.
At the upper end of the tubular side wall plate 13, at least on the inner surface of the tubular body 1 in the non-sticking region corresponding to a higher order than the sticking / fixing portion of the tubular side wall plate 13. The opening engraving line 7 or the opening engraving line 8 is formed by the engraving line 7 for opening and the engraving line 8 for opening parallel to the upper side of the engraving line 7 for opening, and easy tearing to cover the engraving line of the opening part E is provided. A resealable hermetically-sealed composite container to which a synthetic gas-barrier synthetic resin tape is adhered.

[0009] Next, a third aspect of the present invention is the resealable hermetic composite container according to the first or second aspect, wherein the resealable hermetic composite container is made of paper. A resealable hermetic composite container formed of a sheet material of a base material or a sheet material mainly composed of a paper base material and provided with at least a gas barrier layer on one or both sides of the sheet material.

[0010] Next, according to a fourth aspect of the present invention, there is provided the resealable hermetic composite container according to the third aspect, wherein the gas barrier layer is a polyethylene terephthalate film on which silicon oxide is deposited. It is a hermetically sealable composite container.

[0011] Next, according to a fifth aspect of the present invention, there is provided the resealable hermetic composite container according to the third aspect, wherein the gas barrier layer is a polyethylene terephthalate film on which aluminum is deposited. It is a simple hermetic composite container.

[0012] Next, according to a sixth aspect of the present invention, there is provided the resealable hermetic composite container according to the third aspect of the present invention, wherein the gas barrier layer is an aluminum foil. It is.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The reclosable hermetic composite container of the present invention will be described in detail below according to embodiments.

[First Embodiment of the Invention According to Claim 1] FIG. 1A shows the first embodiment of the invention according to claim 1 of the present invention.
FIG. 3 is an external perspective view of a resealable hermetic composite container A according to the embodiment, showing a circular tubular body 1, a top plate 2 on an upper end side of the tubular body 1, and a lower end thereof. Has a bottom plate 3.

The cylindrical body 1 can be made of paperboard or a paper composite sheet or a synthetic resin sheet mainly made of paperboard and made of synthetic resin. In this case, the cylindrical body 1 is wound into a cylindrical shape and both ends thereof are used. It is composed of a cylindrical body side wall plate 4 whose part is adhered and fixed by an attaching part 4a, and is continuously folded inward from the upper part of the upper part 1a along the inner surface of the upper part 1a of the body 1. A vertical inner wall 5 to be formed is provided continuously.

A top plate 6 is connected to the inner wall 5 in a horizontal direction, and the inner wall 5 and the top plate 6 constitute a recessed top plate 2. 1a (the upper end portion of the body side wall plate 4) and the inner side wall 5 that is continuous with the upper end portion 1a and turned back toward the inner surface side are in a non-contact state.

The continuous state of the inner wall 5 and the top plate 6 in the first embodiment of the present invention according to the first aspect is the upper end portion 1a of the trunk side wall plate 4 of the trunk portion 1 shown in FIG. On the outer periphery, the upper end of the inner wall 5 in the vertical direction that constitutes the top plate 2 is folded outward and overlapped, and is connected with an adhesive or the like as needed to be continuously provided. Further, in the present invention, it is also possible to use a tubular body made of a synthetic resin which has been previously formed into a tubular shape as the tubular body portion 1. In the case where paperboard is used as the material of the entire container, The above-described joining structure is adopted.

At the lower end of the cylindrical body 1, there is provided a bottom plate 3 for sealing the lower opening of the cylindrical body. Although various structures can be adopted for the structure of the bottom plate 3, a detailed description is omitted here.

The tubular body 1 is provided with a horizontal separating sewing machine along the lower side of the upper end 1a of the body 1 at a position higher than the height of the top plate 6 over the entire circumference of the body 1. Opening section E by opening engraving line 7 composed of eyes, half cut lines, etc.
Is provided.

Further, if necessary, an opening portion E is provided by providing the opening engraving line 7 and a parallel opening engraving line 8 at a predetermined interval in parallel with each other. By incising with fingernails or nails such as tools,
Container A is opened.

Further, as the opening portion E, an opening engraving line 7,
8 is provided, the opening band 9 formed thereby is provided.
Is pulled from its one end 9a to open the container A.

FIG. 1B is a perspective view of the first embodiment of the resealable hermetically sealed composite container according to the first embodiment of the present invention, in which the top plate 2 and the body 1 are joined together. The top plate 6 of the recessed top plate portion 2 is set lower than the engraving line 7 for opening.

The upper portion 5a of the superposed inner surface between the inner wall 5 that is folded inwardly of the cylindrical body 1 and the upper end 1a of the body 1 via the opening engraving line 7 is provided. May or may not be attached to each other, but their lower portions 5b are in a non-adhered state to each other. In FIG. 1B, reference numerals 7 and 8 in the figure denote opening engraving lines 7 and 8, respectively.

The first aspect of the present invention shown in FIG.
When opening the resealable composite container according to the first embodiment of the present invention, the end 9a of the opening band is pulled to cut the engraving lines 7 and 8 for opening, and the opening band 9 is opened. As shown in FIG. 2A, the lid C is opened, and the lid C formed by the upper end portion 1a, the inner side wall 5, and the top plate 6, and the trunk portion 1 are separated.
Is separated into a storage body portion 1b and a storage portion D including a bottom portion 3 below the engraving line 8 for opening.

When resealing the container after opening, the outer surface of the inner wall 5 of the lid C is fitted and sealed along the inner surface of the upper end opening 1c of the storage portion D. is there. (Figure 2
(See (b))

The resealable composite container of the present invention can be applied not only to the above-mentioned cylindrical container but also to a polygonal rectangular cylindrical container such as a triangle, a quadrangle and a pentagon.

In the first embodiment of the present invention according to the first aspect, in FIG. 1 (b), between the body side wall plate 4 of the cylindrical body 1 and the inner side wall 5 of the top plate part 2. A gas barrier seal made of an easily tearable tape-shaped gas-barrier synthetic resin film covering the engraved line of the opening portion E is attached.

FIG. 6A is an enlarged side sectional view of a portion M in FIG. 1B. The body side wall plate 4 of the cylindrical body 1 is provided on the entire inner surface from the inner surface side. The half cut line 15 (half cutting) is cut, and the half cut line 15
A cut portion having a slight thickness is formed in the cut end portion inside the cut portion between the outer surface of the body side wall plate 4 and the cut portion can be easily torn (separated). I have.

If necessary, a half-cut line 16 (half-cut line) is formed on the body side wall plate 4 from the outer surface over the entire outer surface of the body side wall plate 4 as shown in FIG. Cutting), each of which has a half-cut line 1
A connecting portion 15a having a small thickness is formed at the opposing cutting front end portion in the insides of the cuts 5 and 16, and the connecting portion 15a can be easily cut off (separated).

The engraving lines 7 and 8 forming the opening portion E in the present invention are respectively constituted by half cut lines 15 and 16 and, as shown in FIG. A gas barrier seal 17 made of a gas barrier synthetic resin film is adhered so as to cover the half-cut line 15 cut from the side, and the seal 17 is a tape-like film, and is disposed around the entire inner surface of the cylindrical body 1. It covers a half-cut line 15 cut across. The seal thickness of the gas barrier seal 17 is not particularly limited in the present invention, but is, for example, 20 to 100 μm, and preferably 30 to 50 μm.

The surface of the gas barrier seal 17 adhered to the inner surface of the body side wall plate 4 and the outer surface of the vertical inner wall 5 of the top plate 2 are not bonded to each other, but are structurally closely contacted with each other. Alternatively, they may be in contact with each other, or may be separated from each other with a slight clearance.

The resealable cylindrical composite container A according to the first embodiment of the present invention according to claim 1 of the present invention comprises the above-described FIGS. 1 (a) and 1 (b) and FIGS. 2 (a) to 2 (a). b), FIG. 5 (a)
When the container A is opened, the opening band 9 in the opening section E shown in FIG. 1A is pulled from one end 9a and cut along the engraving lines 7 and 8. By doing so, the container A is opened as described with reference to FIG.

By pulling one end 9a (see FIG. 1 (a)) of an opening band 9 formed on the side wall plate 4 of the cylindrical body 1 shown in FIG. 6 (a), the inner side of the cylindrical body 1 is pulled. The easily tearable synthetic resin film 17 covering the half-cut lines 15, 15 cut from the web is pulled and cut off at the half-cut lines 15, 15, and the half-cut lines 15, 1 are cut.
The connecting portion 15a at the cutting end of No. 5 is cut off, and the cutting ends of the half cutting lines 15 and 15 cut the half cutting lines 16 and 16 from the outer surface of the cylindrical body 1 (from the outer surface side as well). In this case, the cut band 9 reaches the cut end of the half cut line 16), and as shown in FIG. 6 (b), the opening band 9 is cut off in a ring shape from the body side wall plate 4, and the container A becomes the container shown in FIG. ) And opened.

As shown in FIG. 2A, the opened container A has a lid C formed by an upper end 1a, an inner side wall 5, and a top plate 6, and
The trunk 1 is separated into a storage trunk 1b below the engraving line 8 for opening and a storage D composed of a bottom 3.

When resealing the container A after opening, as shown in FIGS. 2 (b) and 5 (b), the lid is placed along the inner surface of the upper end opening 1c of the storage portion D. The outer surface of the inner wall 5 of the portion C is fitted and sealed.

The opening portion E of the container A in the first embodiment of the present invention according to claim 1
Although it is constituted by the opening band 9 formed by the engraving lines 7 and 8, it may be constituted by only one engraving line 7. Holding the cylindrical body 1 on the top plate 2 side higher than the installation line 7 and the cylindrical body 1 lower on the engraving line 7 with both hands, twist in the circumferential direction of the body 1 in opposite directions. By rotating the connecting portion 15a, the connecting portion 15a and the synthetic resin film 17 are cut and opened by the torsional stress.

[Second Embodiment of the Invention According to Claim 1] FIG. 3 (a) shows a second embodiment of a resealable hermetic composite container according to the invention according to claim 1 of the present invention. 5 is a side sectional view showing a structure of a joint portion between the trunk portion 1 and the top plate portion 2 in FIG. 5, wherein a folded plate 11 at an upper end portion 1a of the trunk side wall plate 4 is folded inwardly, and a folded inner surface is provided. The upper portion of the inner wall 5 of the plate portion 2 is joined with an adhesive or the like so as to sandwich the upper end portion.

The torso side wall plate 4 of the cylindrical torso 1 is provided along the lower side of the upper end 1a of the torso 1 along the entire periphery of the torso 1 and the top plate 6 of the torso 2 Is provided at a position higher than the height of the opening plate E by an opening engraving line 7 constituted by a horizontal separating perforation, a half-cut line, and the like. The opening portion E is provided by providing the opening engraving line 7 composed of a horizontal separating perforation, a half-cut line and the like at a position higher than the height and a parallel opening engraving line 8 at a predetermined interval. The container A is opened by providing the opening engraving line 7 with a fingernail or a nail such as a tool.

Further, as the opening portion E, an opening engraving line 7,
8 is provided, the opening band 9 formed thereby is provided.
Is pulled from its one end 9a to open the container A. The engraving lines 7 and 8 correspond to the first line described above.
In the same manner as in the first embodiment, as shown in FIG.
The engraving line 7 may be provided at a position higher than the height of the top plate 6, and the engraving line 8 may be provided at a position lower than the height of the top plate 6 to form the opening portion E.

FIG. 3B shows the structure of the bottom plate 3 in the resealable hermetic composite container A according to the second embodiment of the present invention. The folded plate 12 is folded inward through the folded ruled line b (fold line) at the lower end of the body 1, and a circular bottom plate 3 a covering the lower end opening of the body 1 is glued on the portion corresponding to the folded ruled line b. It is fixed in such as. The bottom plate 3a can be made of paperboard, a material mainly composed of paperboard, aluminum foil, synthetic resin material, or the like. The structure of the bottom plate 3 is as follows.
Of course, the first embodiment can be adopted.

In the second embodiment of the present invention according to the first aspect, in FIG. 3A, between the body side wall plate 4 of the cylindrical body 1 and the inner side wall 5 of the top plate 2. A gas barrier seal made of an easily tearable tape-shaped gas-barrier synthetic resin film covering the engraved line of the opening portion E is attached.

FIG. 7A is an enlarged side sectional view of a portion M in FIG. 3A. The body side wall plate 4 of the cylindrical body 1 is provided on the entire inner surface from the inner surface side. The half cut line 15 (half cutting) is cut, and the half cut line 15
A cut portion having a slight thickness is formed in the cut end portion inside the cut portion between the outer surface of the body side wall plate 4 and the cut portion can be easily torn (separated). I have.

If necessary, a half-cut line 16 (half-cut line) may be formed on the body side wall plate 4 from the outer surface to face the half-cut line 15 as shown in FIG. Cutting), each of which has a half-cut line 1
A connecting portion 15a having a small thickness is formed at the opposing cutting front end portion in the insides of the cuts 5 and 16, and the connecting portion 15a can be easily cut off (separated).

The engraving lines 7 and 8 forming the opening E
Are formed by semi-cut lines 15 and 16, respectively, and as shown in the figure, a gas barrier synthetic resin film is formed on the inner surface of the body side wall plate 4 so as to cover the half-cut line 15 cut from the inner surface side. A gas barrier seal 17 is adhered, and the seal 17 is a tape-shaped film, and covers the half-cut line 15 cut along the entire inner surface of the cylindrical body 1.

The surface of the gas barrier seal 17 adhered to the inner surface of the body side wall plate 4 and the outer surface of the vertical inner wall 5 of the top plate 2 are not bonded to each other, but are structurally close to each other. Alternatively, they may be in contact with each other, or may be separated from each other with a slight clearance.

The resealable cylindrical composite container A according to the second embodiment of the present invention according to claim 1 of the present invention is shown in FIGS. 3 (a) to 3 (b) and FIG. 7 (a). When opening the container A, the container A is opened as shown in FIG.
2A by pulling the opening band 9 at the opening portion E shown in FIG. 1 from one end 9a (see FIG. 1A) and cutting along the engraved lines 7 and 8. As described above, the container A is opened.

By pulling one end 9a (see FIG. 1A) of an opening band 9 formed on the side wall plate 4 of the cylindrical body 1 shown in FIG. 7A, the inner side of the cylindrical body 1 is pulled. The easily tearable synthetic resin film 17 covering the half-cut lines 15, 15 cut from the web is pulled and cut off at the half-cut lines 15, 15, and the half-cut lines 15, 1 are cut.
The connecting portion 15a at the cutting end of No. 5 is cut off, and the cutting ends of the half cutting lines 15 and 15 cut the half cutting lines 16 and 16 from the outer surface of the cylindrical body 1 (from the outer surface side as well). In this case, the cut strip 9 reaches the cut end of the half cut line 16), and as shown in FIG. 7B, the opening band 9 is cut off from the body side wall plate 4 in a ring shape, and the container A is opened. (Refer to FIG. 2A showing the first embodiment)

The opened container A has an upper end 1a and an inner wall 5 similar to FIG. 2A showing the first embodiment.
The lid C is separated into a lid C formed by the lid and the top plate 6, and a storage D formed by the storage trunk 1 b and the bottom 3 below the engraving line 8 for opening the trunk 1.

When resealing the container A after opening, as shown in FIGS. 2 (b) and 7 (b), along the inner surface of the upper end opening 1c of the storage portion D, Inner wall 5 of lid C
The outer surface is fitted and sealed.

Incidentally, the opening portion E of the container A in the second embodiment is the same as that in the first embodiment.
Although it is constituted by the opening band 9 formed by the engraving lines 7 and 8, it may be constituted by only one engraving line 7. Holding the cylindrical body 1 on the top plate 2 side higher than the installation line 7 and the cylindrical body 1 lower on the engraving line 7 with both hands, twist in the circumferential direction of the body 1 in opposite directions. By rotating the connecting portion 15a, the connecting portion 15a and the synthetic resin film 17 are cut and opened by the torsional stress.

[Embodiment of the Invention According to Claim 2] FIG.
(A) and (b) show the cylindrical body 1 in the embodiment of the resealable hermetic composite container according to the second aspect of the present invention.
FIG. 4 is a side cross-sectional view showing a structure of a joint portion between the upper plate portion and
Flap plate 11 at upper end 1a of body side wall plate 4 of tubular body 1
Is folded inside the cylinder, and the top plate 2
Between the top plate 6 around the top plate 6
It is suitably joined with an adhesive or the like.

On the inner surface of the body side wall plate 4 of the cylindrical body portion 1 corresponding to the lower part of the top plate portion 2, a cylindrical side wall plate 13 is provided in the vertical direction, and a sticking area L1 is provided at the lower end side thereof. Non-sticking area L
2 is provided, and is attached by an attaching / fixing portion 14 (a glue-based adhesive, a hot-melt-based adhesive, a heat-sensitive adhesive, an adhesive, or the like) in the attaching region L1. In addition, the lower end of the cylindrical side wall plate 13 may be provided halfway on the inner surface of the cylindrical body 1 as illustrated, or may be extended to the lower end. The thickness of the adhesive layer or the pressure-sensitive adhesive layer constituting the sticking and fixing portion 14 is not particularly limited in the present invention, but is, for example, about 2 to 10 μm, or about 2 to 15 μm, preferably about 5 to 8 μm. Is appropriate.

The engraving line 7 for opening or the engraving line for opening is provided on at least the inner surface of the cylindrical body 1 in the non-adhering area L2, which is higher than the adhering and fixing portion 14 of the cylindrical side wall plate 13. 7
An opening portion E is provided in the horizontal direction by an opening engraving line 8 parallel to the upper side of the opening portion.

The cylindrical side wall plate 13 may be provided so that its upper end is close to the lower surface of the top plate portion 2 as shown in FIG. 4A, or as shown in FIG. In addition, the upper ends of the engraved lines 7 and 8 for opening the opening portion E from the lower surface of the top plate portion 2.
May be separated from the band width of the opening band 9 formed by the above or more.

In the present invention, FIG.
The structure of the joining portion between the cylindrical body 1 and the top plate 2 in the embodiment of the invention according to claim 2 shown in FIGS.
Similar to the first embodiment of the invention according to claim 1 shown in FIG. 4B, the upper end portion 1a (the upper end portion without the folded portion) of the trunk side wall plate 4 of the cylindrical trunk portion 1 is provided with the configuration shown in FIG. As shown in FIGS. 3A and 3B, the upper end of the folded plate 6a around the top plate 6 of the top plate portion 2 as in the third embodiment shown in FIG. It may be.

In the embodiment of the present invention according to the second aspect, the cylindrical side wall plate 13 shown in FIGS.
At least the inner surface of the tubular body 1 in the non-sticking area corresponding to the upper part of the sticking / fixing part is provided with a gas barrier seal made of an easily tearable tape-like gas-barrier synthetic resin film covering the engraved line of the opening part E. It is stuck.

FIG. 8A is an enlarged sectional side view of a portion M in FIG. 4A, and FIG. 9A is a sectional view of the portion M in FIG.
FIG. 4 is an enlarged side sectional view of a portion, and as shown in the enlarged side sectional views, a half cut line 15 (half) is formed on the body side wall plate 4 of the cylindrical body 1 from the inner surface side over the entire inner surface thereof. A cutting portion having a slight thickness is formed at the cutting end portion inside the cutting of the half-cut line 15 between the outer surface of the body side wall plate 4 and the connecting portion. Can be easily cut (separated).

If necessary, a half-cut line 16 (half-cut line) is formed on the body side wall plate 4 from the outer surface over the entire outer surface of the half-cut line 15 as shown in FIG. Cutting), each of which has a half-cut line 1
A connecting portion 15a having a small thickness is formed at the opposing cutting front end portion in the insides of the cuts 5 and 16, and the connecting portion 15a can be easily cut off (separated).

The engraved lines 7 and 8 forming the opening E
Are formed by semi-cut lines 15 and 16, respectively, and as shown in the figure, a gas barrier synthetic resin film is formed on the inner surface of the body side wall plate 4 so as to cover the half-cut line 15 cut from the inner surface side. A gas barrier seal 17 is adhered, and the seal 17 is a tape-shaped film, and covers the half-cut line 15 cut along the entire inner surface of the cylindrical body 1.

Although the surface of the gas barrier seal 17 adhered to the inner surface of the body side wall plate 4 and the outer surface of the cylindrical side wall plate 13 are not adhered to each other, even if they are structurally close to or in contact with each other. Alternatively, they may be separated from each other with a slight clearance.

The resealable cylindrical composite container A according to the third embodiment of the present invention is similar to that shown in FIGS.
8 (a) and 9 (a). When the container A is opened, the opening band 9 in the opening section E shown in FIG. The container A is opened by pulling it from FIG. 1A and cutting along the engraving lines 7 and 8.

One end 9a of the opening band 9 of the opening portion E formed on the side wall plate 4 of the cylindrical body 1 shown in FIG. 8 (a) or 9 (a) (in the above-described first embodiment). 1A), the easily tearable synthetic resin film 17 covering the half-cut lines 15, 15 cut from the inner surface side of the cylindrical body 1 is pulled, and the half-cut lines 15,
15 and the half cut line 1
The connecting portion 15a at the cutting end of the cutout 5, 15 is cut off, and the cutting end of the half cutout line 15, 15 cuts the outer surface of the cylindrical body 1 (the half cutout line 16, 16 also from the outer surface side). In the case of the cut, the cut reaches the cut end of the half cut line 16), and FIG.
As shown in (1), the opening band 9 is cut off from the body side wall plate 4 in an open ring shape, and the container A is opened.

As shown in FIG. 5 (b), the opened container A includes the upper end 1a of the cylindrical body 1, the folded plate 11, and the top plate 6.
And a storage portion D including a storage body portion 1b and a bottom portion 3 below the engraving line 7 for opening the body portion 1, and the upper end opening 1c of the storage portion D A reseal fitting portion of the lid C is formed by the cylindrical side wall plate 13 protruding along the inner surface of the opening 1c.

When resealing the container A after opening, the lid portion is formed along the resealing fitting portion (the cylindrical side wall plate 13) of the upper end opening 1c of the storage portion D shown in FIG. C is fitted and sealed.

The opening portion E of the container A according to the second embodiment of the present invention is similar to the first embodiment and the second embodiment of the first embodiment of the present invention. The opening band 9 may be constituted by two engraving lines 7 and 8 or may be constituted by only one engraving line 7. When the opening portion E is constituted by only one engraving line 7, the opening is performed by opening the cylindrical body 1 on the top plate 2 side higher than the engraving line 7 of the container A and lowering the engraving line 7. By holding the cylindrical body 1 with both hands and twisting and rotating in the opposite directions in the circumferential direction of the body 1, the connecting portion 15 a and the synthetic resin film 17 are rotated by the torsional stress. It is cut and opened.

[Material of Composite Container] The above-mentioned claim 1 of the present invention.
The composite container A according to the first and second embodiments of the present invention and the composite container A according to the second embodiment of the present invention are made of a composite sheet material mainly composed of a paper base material such as a paperboard. A sheet material in which a gas barrier layer is laminated on one side or both sides of a paper base material is used.

As the gas barrier layer, a polyethylene terephthalate film on which an inorganic oxide such as silicon oxide is deposited, a gas barrier deposited film, a polyethylene terephthalate film on which a metal such as aluminum is deposited, a gas barrier metal deposited film, or Ethylene-vinyl alcohol copolymer resin (EVO
H) a film layer or a coating layer, or an aluminum foil.

The composite container A according to the first and second embodiments of the invention according to claim 1 and the composite sheet material used for the composite container A according to the embodiment of the invention according to claim 2 are described below. The composite container A in the first embodiment of the invention according to item 1 will be described below as a specific example.

FIG. 10 is an enlarged side sectional view of a portion N in FIG. 1B, and shows a composite sheet material 40 used for the composite container A.
For example, a gas barrier layer 42 is laminated on one surface side (container inner surface side) of the paper base material 41, and a synthetic resin layer 43 (film layer or coating layer) is laminated on the gas barrier layer 42 surface (container inner surface side). A synthetic resin layer 44 (film layer or coating layer) is laminated on the other surface side (outer surface side of the container) of the paper base material 41.

As the paper base material 41, paperboard (paper thickness; 2
00~400g / m ^2, and preferably 310 g / m ²⁾ is used.

The gas barrier layer 42 is, for example, a polyethylene terephthalate film (film thickness: 1).
A gas barrier vapor-deposited film in which an inorganic oxide such as silicon oxide is vapor-deposited on 0 to 15 μm, preferably 12 μm), or a metal such as aluminum is vapor-deposited on a polyethylene terephthalate film (thickness: 10 to 15 μm, preferably 12 μm). A gas-deposited metal-deposited film is used.

As the synthetic resin layers 43 and 44, in the production of the container A, a heat-meltable (heat-adhesive) synthetic resin suitable for heat sealing and sealing is used.
Polyethylene resin (thickness of synthetic resin layer 43; 30 to 70)
μm, preferably 40 μm, the thickness of the synthetic resin layer 44;
0-30 μm, preferably 20 μm).

[Material of Easy-Tear Synthetic Resin Film]
The half cut line 15 of the composite container A according to the first and second embodiments of the present invention according to the first aspect of the present invention and the embodiment of the second aspect of the present invention is coated while maintaining gas barrier properties. The gas barrier seal 17 made of an easily tearable synthetic resin film is, for example, a uniaxially stretched polyethylene film (or a uniaxially stretched polyethylene terephthalate film or a uniaxially stretched nylon, or an aluminum foil) that can be torn in the stretching axis direction on which a sealant layer is formed.
Is used, and, in addition, a base material such as a stretched polypropylene film or a polyethylene terephthalate film having a large number of fine holes perforated on one surface of an aluminum foil is laminated, and a sealant layer is provided on the base material surface. A film is used, and the gas barrier layer 4
A film in which a sealant layer is provided on the gas barrier film used as 2 is used.

FIG. 11 shows a container according to the second embodiment of the present invention shown in FIGS. 3 (a) and 3 (b), wherein the container is formed in a cylindrical shape using a paper sheet (paperboard or the like). 1 is an example of a paper container blank sheet of a body portion 1 used in the case of manufacturing as a hermetically sealed composite container having a body portion side wall plate 4 and a body portion attached to one side end of the side wall plate 4. The board 4a is connected in series,
On the upper side of the side wall plate 4, engraving lines 7 and 8 for opening are horizontally arranged.
An opening band 9 having a predetermined width is provided through the opening, and a tab 9a is provided at one end in the longitudinal direction of the opening band 9 (an end opposite to the sticking plate 4a). , A folded plate 11 is continuously provided in the horizontal direction via a folded ruled line a (fold line),
On the lower side of the side wall plate 4, a ruled line b (fold) is folded in the horizontal direction.
The folding plate 12 is provided in series through the above.

Then, as shown in FIG. 12, the body side wall plate 4 of the container blank sheet for forming the body portion 1 is rolled into a cylindrical shape, and both right and left ends of the side wall plate 4 are formed on the body sticking plate 4a. The cylindrical body part 1 is formed by overlapping the parts at each location and sticking with an adhesive.

FIG. 13 shows an example of a paper container blank of the top plate portion 2. The circular top plate 6, a folded crease line (fold line) provided along the outer periphery thereof, and the folded crease line c are provided. A folded plate 6a is provided on the outside in a ring shape. Note that the outer diameter of the top plate 6 is set to be equal to or approximately equal to the inner diameter of the upper end opening of the cylindrical body 1.

Then, the ring-shaped folded plate 6a of the container blank sheet for forming the top plate portion 2 is vertically folded so as to be squeezed to one surface side via the crease line c.
To form (See Fig. 14)

Next, as shown in FIG. 3 (a), after the top plate 2 is fitted horizontally from the upper end opening of the cylindrical body 1 along the inner circumference thereof, The folded plate 11 at the upper end of the portion 1 is folded inside the body 1 so as to overlap the inner periphery of the inner wall plate 6 a of the top plate portion 2, and the inner wall plate 6 of the top plate portion 2 is folded.
a (or the upper end of the inner wall plate 6a)
Sandwiched between the upper end portion 1a of the body side wall plate 4 and the inner side wall plate 1
1, the inner wall plate 6a, and the upper end portion 1a of the body 1 form a three-layer region.

In the present invention, the height of the top plate 6 of the top plate portion 2 is set to be lower than at least the opening engraving line 7 provided on the body side wall plate 4, and 2 is cylindrical body 1
It fits inside.

Opening engraving line 7 formed on body side wall plate 4
The upper side inner wall plate 6a and the upper end portion 1a of the body portion 1 opposed thereto, or the inner side wall plate 6a above the opening engraving line 7 and the upper end portion 1a of the body portion 1 opposed thereto, The inner peripheral direction of the inner side wall plate 6a and the upper end 1 are appropriately inserted through an adhesive or by using a knurled pressing die having an uneven surface.
aPressing from the outer peripheral direction, at least the three-layered area or the inner wall plate 6a and the folded plate 11 are adhered by heat and pressure sealing, and the inner wall plate 6a and the folded plate 11 are continuous. To join. The inner wall 5 corresponding to the inner wall 5 is formed by the joined inner wall plate 6a and the folded plate 11.

As described above, the upper end 1 of the cylindrical body 1
As a result, a cylindrical body 1 in which the top plate 2 is continuously joined to a is obtained.

After the desired contents are stored in the cylindrical body 1, a bottom 3 as shown in FIG. 1 is formed in the opening at the lower end of the body side wall plate 4 and sealed. is there.

As shown in FIG. 3B, the bottom plate 3
As described above, as described above, the folded plate 12 is formed through the folded ruled line b (fold) at the lower end of the body side wall plate 4.
Is folded inward in the body 1 and on the portion corresponding to the folded ruled line b,
A circular bottom plate 3a covering the lower end opening of the body 1 is fixed with an adhesive or the like. The bottom plate 3a can be made of paperboard, a material mainly composed of paperboard, aluminum foil, synthetic resin material, or the like.

Another example of the structure of the bottom plate 3 is, for example, a combination structure as shown in the sectional side view of the cylindrical body 1 and the bottom plate 3 in FIGS. Can be adopted.

[0085]

The resealable hermetic composite container according to the first aspect of the present invention is provided with a top plate portion 2 for sealing an upper end opening at an upper end portion of a cylindrical body portion 1 and a lower end portion. A paper container provided with a bottom plate portion 3 for sealing a lower end opening of a portion thereof, wherein a top plate portion 2 is folded back from an upper end portion of the tubular body portion 1 along the inside of the body portion 1. Vertical inner wall 5 and inner wall 5
, A horizontal top plate 6 continuous with the top plate 6, and an opening engraving line 7, or an opening engraving line 7 and an opening engraving line 8 are provided in the trunk portion 1 corresponding to the upper part of the top plate 6 in the horizontal direction. And a half-cut cut from the inner surface of the cylindrical body 1 constituting an engraving line of the opening portion E by the engraving line for opening 7 or the engraving line for opening 7 and the engraving line 8 for opening. Since the easily tearable gas barrier seal 17 covering the line 15 is attached, even if the container is provided with a semi-cut line 15 such as a perforated line or a continuous line over the paper base material layer. Thus, complete confidentiality, gas shielding properties and gas barrier properties of the sealed packaging container A can be ensured.

In addition, the engraving line 7 for opening in the opening section E,
Alternatively, by separating the opening band 9 by the engraving line 7 for opening and the engraving line 8 for opening, the hermetically sealed composite container A is
The lid part C and the contents storage part D can be separated and opened. After the lid part C is opened, the upper end opening of the storage part D (the trunk part 1b)
An inner wall 5 that can be fitted to the upper end portion) is formed, and the lid portion C can be resealed with respect to the storage portion D.

The resealable hermetic composite container according to the second aspect of the present invention is provided with a top plate 2 for sealing the upper end opening at the upper end of the cylindrical body 1 and at the lower end. A paper container provided with a bottom plate portion (3) for sealing the lower end opening, wherein the top plate portion (2) has a horizontal top plate (6). The engraving line for opening 7 or the engraving line for opening 7 and the engraving line for opening 8 are provided, and the engraving line for opening 7 or the engraving line for opening 7 and the engraving line for opening 8 are used. Since the easily tearable gas barrier seal 17 covering the half cut line 15 cut from the inner surface of the cylindrical body 1 constituting the cut line of the opening portion E is attached, the container extends over the paper base. Even if the semi-cut line 15 is provided by an intermittent line or a continuous line such as a perforated line, the complete confidentiality, gas shielding property, and gas barrier property of the sealed packaging container A can be maintained. It can be coercive.

Further, the engraving line 7 for opening in the opening section E,
Alternatively, by separating the opening band 9 by the engraving line 7 for opening and the engraving line 8 for opening, the hermetically sealed composite container A is
The lid C can be separated and opened into the contents storage part D. After the storage part D has been opened, the cylindrical side wall plate 13 can be fitted to the lid C from the inner surface of the upper end opening 1c. A sealing fitting portion is protruded, and the housing portion D can be resealed by fitting the lid portion C into the resealing fitting portion.

The container of the present invention, besides the above effects, has a simple container structure, is easy to open and can be resealed, has good sealing properties and gas barrier properties, and is excellent in the container manufacturing process. Can be manufactured by a relatively simplified process, and the production and processing of a well-shaped container by efficient machining can be expected.

[Brief description of the drawings]

FIG. 1 (a) is a perspective view of an external appearance of a resealable hermetic composite container according to a first embodiment of the present invention according to claim 1 of the present invention, and FIG. 1 (b) is a trunk portion and a top plate of the container. Sectional drawing which shows the structure of a part.

FIG. 2 (a) is a perspective view for explaining a state in which a resealable composite container according to the first embodiment of the present invention is opened, and FIG. FIG. 3 is a perspective view for explaining a resealed state after opening.

FIG. 3 (a) is a side sectional view of a top plate portion of a resealable hermetic composite container according to a second embodiment of the present invention according to claim 1, and FIG. 3 (b) is a bottom plate of the container. Sectional side view of a part.

4 (a) and 4 (b) are side sectional views showing the structure of a body and a top plate of a resealable hermetic composite container according to an embodiment of the present invention.

FIG. 5A is a perspective view illustrating a state in which a resealable composite container according to an embodiment of the present invention is opened, and FIG. 5B is a view after opening the container. FIG.

FIGS. 6 (a) and 6 (b) are enlarged side sectional views of a portion M of the resealable hermetic composite container according to the first embodiment of the present invention.

FIGS. 7 (a) and 7 (b) are enlarged side sectional views of a portion M of the resealable hermetic composite container according to the first embodiment of the present invention.

8 (a) and 8 (b) are enlarged side sectional views of a portion M of the resealable hermetic composite container according to the second embodiment of the present invention.

9 (a) and 9 (b) are enlarged cross-sectional side views of a part M of the resealable hermetic composite container according to the second embodiment of the present invention.

FIG. 10 is an enlarged side sectional view of a portion N of FIG. 1 (b) for explaining a laminated structure of a composite sheet material used for the resealable hermetic composite container of the present invention.

FIG. 11 is a plan view of a blank sheet of a tubular body of a resealable hermetic composite container according to a second embodiment of the present invention according to claim 1 of the present invention.

FIG. 12 is an external perspective view illustrating a state in which a blank sheet of a tubular body of a resealable hermetic composite container according to a second embodiment of the present invention is assembled into a tubular shape. .

FIG. 13 is a plan view illustrating a blank sheet of a top plate portion of a resealable hermetic composite container according to a second embodiment of the present invention according to claim 1 of the present invention.

FIG. 14 is an external perspective view illustrating a state in which the blank sheet of the top plate of the resealable hermetic composite container according to the second embodiment of the present invention is formed in the shape of the top plate. FIG.

15 (a) to (d) are side sectional views showing various structural forms of a bottom plate portion of the resealable composite container of the present invention.

FIG. 16 (a) is a perspective view illustrating a conventional resealable hermetic composite container, and FIG. 16 (b) is a perspective view illustrating a resealable state of the conventional resealable hermetic composite container.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Container body part 2 ... Top plate part 3 ... Bottom plate part 4 ... Body part side wall 5 ... Inner side wall 6 ... Top plate 7, 8 ... Opening engraving line 9 ... Opening band 11 ... Folding plate 12 ... Folding plate 13 ... Cylindrical side wall 14: Adhesive fixing portion 15: Internal marking line 16: External marking line 17: Easy tearing gas barrier seal A: Sealable composite container B: Container C: Lid D: Storage portion E: Opening portion

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiya Naito 1-5-1, Taito, Taito-ku, Tokyo Inside Toppan Printing Co., Ltd. (72) Inventor Kiyoshi Sawada 1-15-1 Taito, Taito-ku, Tokyo Letterpress F-term (reference) in Printing Co., Ltd. 3E060 AA03 AA13 BC01 BC04 CE05 CE07 CE08 CE12 CE22 CF05 DA16 DA18 EA04 EA06 EA13 EA20

Claims (6)

[Claims] 1. A gas-barrier sealing paper having a top plate 2 at the upper end of a cylindrical body 1 for sealing an upper end opening thereof and a bottom plate 3 for sealing a lower end opening at a lower end thereof. The top plate 2 is arranged such that the top plate 2 extends from the upper end of the tubular body 1
At least the inner surface of the cylindrical body 1 that is provided with a vertical inner wall 5 that is folded back inward and a horizontal top plate 6 that is connected to the inner wall 5 and that is higher than the top plate 6 Is provided with an opening engraving line 7 in the horizontal direction or an opening engraving line E formed by the engraving line 7 for opening and an engraving line 8 for opening parallel to the engraving line 7 for opening. A resealable hermetically-sealed composite container having a gas-barrier synthetic resin tape adhered thereto. 2. A gas-barrier sealing paper having a top plate 2 for sealing an upper end opening at an upper end of a cylindrical body 1 and a bottom plate 3 for sealing a lower end opening at a lower end. A cylindrical side wall plate 13 vertically attached to the inner surface of the cylindrical body 1 corresponding to the lower part of the top plate 2 at a sticking fixing portion having a non-sticking region at the upper end thereof. The engraving line 7 for opening is formed horizontally on at least the inner surface of the tubular body 1 in the non-sticking area corresponding to the upper part of the sticking and fixing portion of the cylindrical side wall plate 13, or the engraving line 7 for opening and the upper side thereof. A resealable seal characterized by providing an opening portion E with a parallel opening engraving line 8 and attaching an easily tearable gas barrier synthetic resin tape covering the engraving line of the opening portion E. Composite container. 3. The resealable hermetic composite container is formed of a sheet material based on a paper substrate or a sheet material mainly based on a paper substrate, and has at least a gas barrier layer on one or both sides of the sheet material. Claim 1 or Claim 2
A resealable hermetically sealed composite container as described. 4. The gas barrier layer is a polyethylene terephthalate film on which silicon oxide is deposited.
A resealable hermetically sealed composite container as described. 5. The gas barrier layer is a polyethylene terephthalate film on which aluminum is deposited.
A resealable hermetically sealed composite container as described. 6. The resealable hermetic composite container according to claim 3, wherein said gas barrier layer is an aluminum foil.