JP3997717B2 - Self-supporting refill container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a flexible self-supporting refill container, and more specifically, to store a liquid such as a shampoo or other toiletry product and refill the liquid into another container or the like. Concerning replacement containers.
[0002]
[Prior art]
Conventionally, a self-supporting container (bag) has been known in which a flexible film is folded into a specific shape, both side edges and top and bottom edges are sealed, and the bottom is opened to be self-supporting, and an opening is provided at the top. For example, it is widely used as a self-supporting refill container (bag) for storing toiletries such as liquid detergent and shampoo, beverages, and the like and refilling other containers.
[0003]
As a container as described above, for example, as disclosed in Japanese Utility Model Laid-Open No. 6-72848, a palm seal part is formed along the axial direction on the side surface of a flexible sheet formed in a cylindrical shape. The above-mentioned cylindrical sheet is gusset-folded with the joint seal part being a substantially central fold line, and the upper and lower ends and both ends of the cylindrical sheet provided with this gusset fold part are sealed to form a top-end seal part and a bottom-end seal part. There is a sex packaging.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional self-supporting packaging technology, when filling the contents, a triangular bottom mold is formed to provide self-supporting properties, but the bottom mold is difficult to form and is unstable. In addition, there is a problem that it is easy to fall down because it is an elongated triangle. In addition, since four spliced seals are concentrated at the upper spout, there is a problem that it is difficult to insert into the mouth of a refillable container (for example, a bottle with a dispenser).
[0005]
The present invention solves the problems of the prior art, and the object is to fold a flexible film into a specific shape, seal both side edges and upper and lower edges, and open the bottom. In a self-supporting refill container that is self-supporting, the bottom opens easily when filling the contents, so that it is self-supporting, its self-supporting stability is stable, and it is easy to pour when refilling into another container. To provide a container.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object in the present invention, first, in the invention of claim 1, it is composed of two side wall films having a sealant layer inside and one side wall film that is gusset folded in the longitudinal direction, In the self-supporting refill container sealed with the sealant layer surfaces of the both side edges and the upper and lower edges, the lower edge seal portion forms a substantially isosceles inverted mountain shape having a vertex at the center and an angle of 40 to 160 °. In addition, on both sides of the one side wall film that is gusset-folded in the longitudinal direction, a cutout portion is engraved in a lower edge seal portion of the side wall film and the side wall film that is gusset-folded to fill the contents. When the bottom part is opened, the self-supporting refill container is characterized in that any one of the lower edge seal parts bends with the cut-out part as a fulcrum, and the bottom part is easy to open and become self-supporting.
[0007]
According to the first aspect of the present invention, the lower edge seal portion of each side wall film has a vertex at the center and forms an approximately isosceles inverted mountain shape with an angle of 40 to 160 °, so the contents are filled. then close the equilateral triangle bottom open, forming the most stable wide bottom, thus it is possible to stably without collapsing have freestanding and autonomy refill container, also on one longitudinal On both sides of the gusset-folded sidewall film, by providing a cutout at the lower edge seal portion of the sidewall film and the gusset-folded sidewall film, when the bottom is opened by filling the contents, the cutout Since either one of the lower edge seal portions becomes a fulcrum, it is easy to bend, that is, it is possible to provide a self-supporting refill container in which the bottom portion is easily opened and becomes self-supporting.
[0010]
According to a second aspect of the present invention, an oblique seal portion that cuts a corner where the upper edge seal portion and the side edge seal portion of the two side wall films and the one side wall film that is gusset-folded in the longitudinal direction intersect. the provided, according to claim 1 Symbol, wherein the two side walls films provided a cutting designating line so as to cut the non-sealing portion of the corner made by the upper seal portion and the side edge seal portion is sealed This is a self-supporting refill container.
[0011]
According to the second aspect of the invention, by providing an oblique seal portion that cuts one upper corner of the two side wall films, the oblique seal portion can be used as a handle, and the other upper corner By providing a cutting designation line for cutting the non-seal portion, the spout cut according to this cutting designation line has three palm seal portions, so it can be easily inserted into the mouth of another container or the like to be refilled. It can be a self-supporting refill container that facilitates.
[0012]
According to a third aspect of the present invention, there is provided the self-supporting refill container according to the second aspect, wherein a handle hole is formed in the oblique seal portion.
[0013]
According to the third aspect of the present invention, it is possible to provide a self-supporting refilling container that makes it easier to hold the handle and pour it into another container or the like by further providing a handle hole in the oblique seal portion. it can.
[0014]
Furthermore, in the invention of claim 4 , the upper edge seal portion of each side wall film forms an isosceles mountain shape having a vertex at the center, and a cutting designation line is formed so as to cut the non-seal portion below the vertex. it is obtained by a self-supporting refilling container according to claim 1 Symbol mounting, characterized in that provided at a position corresponding to the mouth size.
[0015]
According to the fourth aspect of the present invention, the shape of the upper edge seal portion of each side wall film is an isosceles mountain shape having a vertex at the center, and the cutting designation line that cuts the non-seal portion below the vertex is formed on the spout. A self-supporting refillable container that is easy to pour when the refilled spout is refilled into another container to be poured by providing it at a position according to the size of the container (easy to be inserted into the mouth of the poured container). can do.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
In the present invention, for example, as shown in the perspective view of FIG. 1, the periphery of two side wall films (10) having flexibility and the side wall film (11) that is gusset-folded is sealed, and the liquid content such as shampoo is obtained. Relates to a self-supporting refill container (1) that opens and becomes self-supporting when the bottom is filled, and the liquid content is other than the spout (20) provided by cutting or the like at the top The present invention relates to a self-supporting refill container (1) that can be refilled or transferred to a container or the like.
[0017]
As shown in the perspective view of FIG. 2, the self-supporting refill container of the present invention comprises, for example, two side wall films (10) and one side wall film (11) that is gusset-folded in the longitudinal direction. Sealed by the sealant layer surfaces of both side edges and lower edges to form side edge seal portions (12) and lower edge seal portions (14, 14a), and the lower edge seal portions (14, 14a) are apexes at the center. A self-supporting refill container (1) having an isosceles inverted mountain shape having (P) and an angle (α) of 40 to 160 °, most preferably 120 °. That is, the feature is that the distance (W) from the side (11a) of the side wall film (11) folded to the gusset and the middle fold line (11b) and the apex from the side (12a) of the side wall film (10) (P) The self-supporting refill container (1) in which the distance (X) to the center line extending vertically, that is, ½ of the width of the side wall film (10) is equal.
[0018]
When the self-supporting refill container (1) is filled with the contents by using the lower edge seal portion (14, 14a) or the like having such a shape, as shown in the bottom view of FIG. 1 or FIG. Since (30) opens and becomes the bottom shape of the widest area most stably with an equilateral triangle, it can be set as the self-supporting refill container (1) which is stable and does not fall down.
[0019]
If the angle of the lower edge seal portion (14, 14a) is less than 40 °, the lower edge seal portion (14, 14a) becomes difficult to bend due to the weight of the contents, and thus it becomes difficult to stand by itself, and conversely exceeds 160 °. And the lower edge seal portions (14, 14a) are not formed. Therefore, an angle of 120 ° is the most stable and facilitates formation of the bottom (30).
[0020]
Moreover, in this invention, as shown to the perspective view of FIG.2 and FIG.3, the lower edge seal part (14a) which consists of two equal sides of the side wall film (11) gusset-folded to the vertical direction, and these seal parts (14a) The self-supporting refill container (1) has a cutout portion (30) formed in the lower edge seal portion of the two sealed side wall films (10).
[0021]
By making the self-supporting refill container (1) provided with the cutout part (30) in the lower edge seal part (14a) having two equal sides as described above, the bottom part opens when the container is filled with the contents. At this time, as shown in the bottom view of FIG. 4, one of the cutout portions (30) engraved in the two lower edge seal portions (14a) of the side wall film (11) that has been gusset folded ( 30) serves as a fulcrum, and the lower edge seal part (14a) with the cutout part (30) is easily bent, that is, the bottom part is easy to open, and the self-supporting refill container (1) that is stable and self-supporting is provided. Can do.
[0022]
Moreover, in this invention, as shown in the perspective view of Fig.3 (a), for example, two side wall films (10) and one gusset folded side wall film (11) upper edge seal part (16) An oblique seal portion (32) that cuts the left corner where the side edge seal portion (12) intersects is provided, and a handle hole (34) is formed in the oblique seal portion (32), and the two sheets A cutting designation line (22) that cuts the non-sealed portion (18) at the right corner formed by the upper edge seal portion (16) and the side edge seal portion (12) sealed with the side wall film (10) obliquely. The self-supporting refill container (1) is provided.
[0023]
As shown above, by providing an oblique seal portion (32) in the upper left corner and further providing a handle hole (34) in the oblique seal portion (32), as shown in the perspective view of FIG. When the contents are filled, the bottom part (30) opens, and the right side corner cutting designation line that has the handle hole (34) in the oblique seal part (32) and inclines this self-supporting refill container (1). A cutting designation line (22) is provided for facilitating pouring from the spout (20) obtained by cutting (22) and for cutting the non-seal portion (18) at the upper right corner as shown in FIG. 3 (a). Accordingly, as shown in FIG. 3B, the spout (20) cut in accordance with this cutting designation line has three joint seals, so that it can be easily inserted into the mouth of another container or the like to be refilled. Self-supporting refill that makes it easier to pour It is an instrumental (1).
[0024]
Furthermore, in the present invention, as shown in the front view of FIG. 6, for example, the upper edge seal portion (16) of the side wall film (10) forms an isosceles mountain shape having a vertex (Q) at the center, The self-supporting refill container (1) is provided with a cutting designation line (22) that cuts the non-sealed part (18) at the lower part of the apex at a position corresponding to the size of the spout.
[0025]
As described above, the shape of the upper edge seal part (16) is an isosceles mountain shape having an angle (β) of about 120 °, and a cutting designation line that cuts the non-seal part (18) below the apex. By providing (22) at a position corresponding to the size of the spout (easy to be inserted into the mouth of the poured container), the cut spout (not shown) can be poured into another poured container. It is a self-supporting refill container (1) that is easy to pour.
[0026]
Alternatively, the position of the cutting designation line (22) can be kept constant, and the angle (β) can be set according to the mouth size of the container to be poured.
[0027]
The material of the flexible side wall films (10, 11) constituting the self-supporting refill container (1) of the present invention as described above will be described below.
For example, as shown in the side sectional view of FIG. 5, at least the innermost layer is a sealant layer (Linear Low Density Polyethylene (LLDPE), Low Density Polyethylene (LDPE), Unstretched Polypropylene Film (CPP)) having excellent heat sealability ( 50), and depending on the contents, the intermediate layer (52) may be made of, for example, an aluminum foil having a thickness of about 7 μm or a polyethylene terephthalate film having a thickness of about 12 μm with Al ₂ O. For example, polyethylene terephthalate is used as a printing substrate layer (54) which is provided with a barrier layer made of a transparent ceramic vapor-deposited film on which inorganic oxides such as ₃ and SiO ₂ are vapor-deposited, and whose outermost layer is increased in surface strength or printed. (PET), stretched nylon (ONy), polyethylene (PE) film, etc. are generally laminated A. In this configuration, for example, in the case of a container that does not require much barrier properties, the barrier layer that is the intermediate layer (52) may be omitted.
[0028]
Further, as the cutting designation line (22) shown in FIGS. 3 and 6, the surface layer is specified so that it is cut by scissors or the like by printing, or is not penetrated through the sealant layer of the side wall film by a carbon dioxide laser or the like. For example, a half cut groove may be provided.
[0029]
【The invention's effect】
Since this invention is the above structure, there exist the following effects.
That is, in each of the self-supporting refill containers sealed with two side wall films having a sealant layer in the innermost part and one side wall edge and a top and bottom edge sealant layer surfaces of the side wall film folded in the vertical direction. The bottom edge seal portion of the side wall film has a vertex at the center, and forms an approximately isosceles inverted mountain shape whose angle is in the range of 40 ° to 160 °. A substantially equilateral triangle is formed, so that the container can be a self-supporting refill container that is stable and does not fall over.
[0030]
In addition, by providing a cutout portion in the lower edge seal portion of the gusset folded side wall film, when the bottom portion is opened by filling the contents, the cutout portion serves as a fulcrum and one of the lower edge seal portions is bent. It becomes easy, that is, the bottom part can be opened and can be made independent.
[0031]
In addition, an oblique seal portion that cuts one upper corner of the two side wall films is provided, and a handle hole is formed in the oblique seal portion, so that the oblique seal portion is poured when pouring the liquid contents. Or by making the handle hole easy to hold by hand and providing a cutting designation line that cuts the non-sealed part of the other upper corner, there were conventionally four spouts cut according to this cutting designation line Since there are three joint seals, a self-supporting refill container that can be easily inserted into the mouth of another container or the like to be refilled and can be easily poured can be obtained.
[0032]
Furthermore, the shape of the upper edge seal portion of each side wall film is an isosceles mountain shape having a vertex at the center, and a cutting designation line that cuts the non-seal portion under the vertex is poured into the spout (poured). By providing it at a position corresponding to the size (which can be easily inserted into the mouth of the container), it is possible to make a self-supporting refill container in which the spout opened by opening is easy to pour into other containers to be poured. That is, it can be set as the self-supporting refill container which can select the size of a spout freely.
[0033]
Therefore, the present invention is excellent in practical use as a self-supporting refill container for storing shampoo, liquid detergent, seasoning, beverage, etc., and refilling or transferring the liquid contents to other containers. Demonstrate the effect.
[Brief description of the drawings]
FIG. 1 is a perspective view for explaining an embodiment in which a self-supporting refill container of the present invention is filled with contents.
FIG. 2 is a perspective view for explaining an embodiment of the self-supporting refill container of the present invention before filling contents.
FIG. 3 is a diagram for explaining another embodiment of the self-supporting refill container of the present invention before filling the contents,
(A) is a perspective view before filling contents,
(B) is a perspective view after content filling.
FIG. 4 is a bottom view of the self-supporting refill container of the present invention as seen from the bottom after filling the contents.
FIG. 5 is a side sectional view showing an embodiment of the side wall film constituting the self-supporting refill container of the present invention.
FIG. 6 is a front view showing another embodiment of the self-supporting refill container according to the present invention before filling the contents.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Self-supporting refill container 10 ... Side wall film 11 ... Side wall film 11a folded gusset side wall 11b of side wall film folded gusset side ... Middle folding line 12 side wall film folded gusset side Edge seal part 12a ... Side edge 14 of side edge seal part ... Lower edge seal part 14a ... Lower edge seal part 16 of side wall film folded in gusset ... Upper edge seal part 18 ... Non-seal part 20 ... Spout 22 ... Cutting designation line 30 ... Bottom 32 ... Diagonal seal 34 ... Handle hole 50 ... Sealant layer 52 ... Intermediate layer 54 ... Print substrate layer P ... Inverted mountain-shaped apex Q ... Vertex W of the Yamagata ··· Distance X between the side of the side wall film folded in the gusset and the middle fold line ··· Distance between the side of the side wall film and its center line α · · Angle of the inverted angle β · · · Angle of the angle

Claims (4)

In a self-supporting refill container comprising two side wall films having a sealant layer at the innermost side and one side wall film that is gusset folded in the longitudinal direction and sealed by the sealant layer surfaces of both side edges and upper and lower edges, The lower edge seal part has a vertex at the center, forms an approximately isosceles inverted mountain shape whose angle is 40 to 160 °, and on both sides of the one side wall film that is gusseted in the longitudinal direction , respectively. A cutout is formed in the bottom edge seal part of the side wall film and the side wall film folded in the gusset, and when the bottom part opens after filling the contents, the cutout part serves as a fulcrum and either one of the bottom edge seals A self-supporting refillable container characterized in that the part is bent and the bottom part is opened to facilitate self-supporting.   The two side wall films are provided with an oblique seal part that cuts a corner where the upper edge seal part and the side edge seal part of the two side wall films and the one side wall film gusset folded in the longitudinal direction intersect. 2. The self-supporting refill container according to claim 1, further comprising a cutting designation line that cuts a non-sealed portion of a corner formed by an upper edge seal portion and a side edge seal portion.   The self-supporting refill container according to claim 2, wherein a handle hole is formed in the oblique seal portion.   The upper edge seal portion of each side wall film forms an isosceles mountain shape having an apex at the center, and a cutting designation line is provided at a position corresponding to the size of the spout to cut the non-seal portion below the apex. The self-supporting refill container according to claim 1.

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