JP2001088847A - Pouch with resealable opening holding member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pouch with a resealable opening holding member with resealing function into which a content is easily poured from a pouring outlet. SOLUTION: A pouch 1 with a resealable opening holding member is provided with a constitution in which the peripheral edges of a pouch with an opening holding member are sealed and a pouring outlet 60 is provided on the upper section of the pouch and an opening holding member 2 with the sealing function is stuck on the inner face of the pouring outlet 60, and the opening holding member with the resealing function is provided with four square plates 10 set continuously through vertically folding lines with notches 22 on the outer faces, having at least a pair of fitting sections formed on the positions facing each other on the vertically folding lines and folded by 180 deg. inwardly from a central vertical folding line, and the outer face of one square plate 10 out of the four square plates is stuck with the inner face of the pouring outlet 60 of the pouch 1 with the resealable opening holding member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pouch with a spout for liquid detergents, toiletries, seasonings and the like, and more particularly, to an opening for facilitating pouring out of contents and allowing resealing. The present invention relates to a pouch with a holding member.

[0002]

2. Description of the Related Art Conventionally, a single or two or more laminated packaging material based on a plastic film is thermally bonded to the periphery of the packaging material, and a spout for accommodating a liquid soup, a viscous spice (such as kneaded mustard), etc. There was a pouch, and the spout was cut with scissors or the like to squeeze out the contents before use. Furthermore, due to the environmental problems associated with the increase in waste in recent years, containers for replacing plastic bottles for storing toiletries such as liquid detergents and shampoos, or easily refilling these plastic containers, with the aim of saving resources and reducing the volume and volume of waste. Refillable Pouch with Standing Outlet (Standing Pouch)
Has come to be used many times.

[0003] The refillable pouch with a spout is a single-layer film or innermost layer which is formed by cutting the tip of a spout projecting at the time of use, opening the spout, and pouring out contents (liquid). There is a pouch with a spout made of a composite film of a sealant layer, and in order to make it easier to pour the contents when used as a main body container or when refilling the contents into a plastic bottle or the like, see, for example, JP-A-5-15-1.
As disclosed in JP-A-32069, a hollow cylindrical or hollow semi-cylindrical nozzle made of plastic or the like is mounted inside a spout, or as disclosed in JP-A-8-2538. For example, there is a bag in which a hollow (semi) cylindrical pouring line is formed in the bag itself at the outlet portion.

However, recently, for the purpose of further saving resources and preserving the environment related to waste, a pouch that can be used as a main body container or increased in the capacity of a refill pouch so that it can be refilled several times by one can be used. Is being demanded.
For this reason, the pouch with a spout needs a resealing function, and the pouch with a spout provided with the resealing function can also be used as a container body.

[0005]

However, the above-mentioned conventional pouch with an outlet for facilitating the pouring of contents has no resealing function, and cannot meet these demands.

SUMMARY OF THE INVENTION The present invention is to solve the problems of the prior art and the demands therefor, and it is an object of the present invention to make it easy to pour the contents from a spout and to have a resealable function. An object of the present invention is to provide a pouch with an opening maintaining member.

[0007]

Means for Solving the Problems In order to achieve the above object in the present invention, first, according to the first aspect of the present invention, the peripheral edge of the synthetic resin film on the front and back is sealed, and a spout having a spout projecting upward is provided. In a pouch with an outlet, a pouch with a resealable opening maintaining member, wherein an opening maintaining member having a reseal function is attached to an inner surface of the spout, wherein the opening having the reseal function is provided. The holding member is formed by connecting four square plates in the lateral direction through three central vertical folding lines on the left and right sides having a cut on the outer surface, and at positions opposed to each other on the left and right vertical folding lines. It has at least one pair of holes and a fitting portion formed of a convex rib, and is bent 180 ° inward from the central vertical folding line, and is connected to the outer surface of one of the four rectangular plates and the note. The inner surface of the exit is affixed. It is obtained by a reclosable opening maintaining member attached pouches.

According to the second aspect of the present invention, the opening maintaining member having the resealing function includes a total of five square plates, two of which are notched on the outer surface, two on the left side, two on the right side, and the center.
Are connected in the horizontal direction through the vertical folding line of the book,
At least two pairs of holes and convex ribs are provided at positions opposite to each other on the left and right vertical bending lines on the book and the right vertical bending line, and are bent 180 ° inward from the central vertical bending line, The pouch with a resealable opening maintaining member according to claim 1, wherein an outer surface of one of the six rectangular plates and an inner surface of the spout are adhered. is there.

According to the third aspect of the present invention, the opening maintaining member having the reseal function is formed by connecting the upper left and right rectangular plates to the left and right sides of the upper central rectangular plate via vertical bending lines having cuts in the outer surface. The lower left and right lateral plates are connected to each other on both left and right sides of the lower central lateral plate via a vertical bending line having a cut in the outer surface, and the upper central rectangular plate and the lower central rectangular plate are cut into the outer surface. The upper left-right rectangular plate and the lower left-right rectangular plate are continuously provided via a horizontal bending line having
An apex of the corner is cut and separated at a substantially right angle so as to come to an end of the horizontal folding line, and a pair of U-shaped fitting portions are provided on the inner surface of the plate with the upper and lower vertical folding lines interposed therebetween, A pair of middle folding fitting portions are provided on the inner surface of the plate with the horizontal bending line interposed therebetween, and the outer surface of the upper and lower central square plate and the inner surface of the spout are adhered. A pouch with a resealable opening maintaining member according to claim 1.

Still further, in the invention according to claim 4, the opening maintaining member having the resealing function is provided on both left and right sides of the upper central square plate through vertical folding lines in which the upper left and right square plates have cuts on the outer surface. The lower left and right lateral plates are connected to each other via a vertical bending line having a cut in the outer surface on both left and right sides of the lower central lateral plate, and the upper central lateral plate and the lower central lateral plate are attached to the outer surface. A middle folding fitting piece is provided continuously at a lower end of the upper left and right rectangular plate and an upper end of the lower left and right rectangular plate, which are connected to each other via a horizontal bending line having a notch, and the upper and lower longitudinal bending is performed. A pair of U-shaped fitting portions are provided on the inner surface of the corresponding plate with the line interposed therebetween, and the outer surface of the upper and lower central square plate and the inner surface of the spout are adhered. A pouch with a resealable opening maintaining member according to claim 1. It is intended.

According to the first or second aspect of the present invention, the tip of the spout is cut off, and the flat opening maintaining member attached to the inner surface of the spout is raised with the finger from the outside of the pouch. Therefore, since the flow path of the contents can be secured in a square or hexagonal cylinder, the contents can be stably and easily poured out. The opening can be easily resealed by returning the hexagonal cylinder to the original flat opening maintaining member and fitting the fitting at the fitting portion.

According to the third or fourth aspect of the present invention, the tip of the spout is cut off, and the flat opening maintaining member attached to the inner surface of the spout is fingered from the outside of the pouch. Since the left and right rectangular plates are bent upright by 90 ° in accordance with the vertical bending line, and the right and left rectangular plates are erected and fitted at the U-shaped fitting portion, the flow path of the contents can be secured as a U-shaped gutter shape. Stabilizes the pouring of the contents, makes it easy to pour, and after pouring out the planned amount of contents, folds the horizontal fold line inward by about 90 ° inward while keeping the U-shaped gutter-shaped upright, middle fold The opening can be easily resealed by fitting at the mating portion or by fitting with a center-fold fitting piece fitted to each other.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. According to the present invention, as shown in the plan view of FIG. 15, the periphery of the synthetic resin film on the front and back is formed by a sealing portion (64) which is sealed, protrudes upward, and the tip thereof (for example, a notch (62) is With clues)
In a pouch having a spout (60) that is cut and opened, a pouch with a resealable opening maintaining member having an opening maintaining member (2) having a reseal function adhered to an inner surface of the spout (60). It relates to (1).

The opening maintaining member having the reseal function (2)
As a synthetic resin film that forms a pouch with a thermoplastic resin such as polyethylene or polypropylene that has characteristics adapted to the intended use (the innermost layer described in the next section)
It is produced by an injection molding method using a resin excellent in thermal adhesion to the inside of the pouch (60), and may be partially heat-sealed or using an adhesive.

In the material construction of the pouch (1) with a resealable opening maintaining member of the present invention, as a single-layer plastic film having a sealing property, for example, crystalline polypropylene, crystalline propylene-ethylene copolymer, Low density polyethylene, medium density polyethylene, high density polyethylene,
Examples thereof include polyolefins such as an ethylene-vinyl acetate copolymer and an ion-crosslinked olefin copolymer.

The surface layer of a composite film having two or more layers in which the innermost layer is a sealant layer has a thickness of, for example, 12 μm.
For example, a stretched polyethylene terephthalate film or a nylon film having a length of about m is used, and printing including a cutting support line is performed on the back surface.

As the sealant layer forming the innermost layer of the two-layer composite film, for example, the above-mentioned linear low-density polyethylene film, high-density polyethylene film, unstretched polypropylene film or the like having a thickness of about 50 μm is used. It is obtained by laminating with a film of a surface layer via an adhesive for lamination, or laminating by a melt extrusion lamination method using the linear low-density or high-density polyethylene resin or the like.

Further, depending on the contents to be filled, three layers, four layers,
When a pouch with a spout is given strength, for example, a layer having a thickness of 12 between the surface layer and the sealant layer can be used.
For a pouch with a spout that requires lamination of a stretched nylon (ON) film of about μm or that requires gas barrier properties, for example, an aluminum foil (7 μm) / polyethylene terephthalate film (12 μm) between a surface layer and a sealant layer Or ceramic deposited film (eg, SiO
₂ vapor deposition layer / polyethylene terephthalate film (12
μm)) is used.

As shown in FIG. 15, the inner peripheral edge is sealed using a single-layer film having two sealing layers or a composite film having two or more layers in which the innermost layer is a sealant layer as described above. A notch (62) for opening is provided at the end of a spout (60) that forms a seal portion (64) and protrudes upward, or a half-cut line (not shown) is formed with a laser or a rotary blade. The pouch may be provided and formed into a generally known flat pouch which does not stand alone, or a standing pouch which is provided with a bottom member film on the bottom (66) so as to be free standing.

As one embodiment of the pouch (1) with a resealable opening maintaining member of the present invention, first, in the invention of claim 1, as shown in the perspective view of FIG. As the opening maintaining member (2) having a thickness of 1.2
mm vertical rectangular plate (10) is attached to the outer surface of the plate.
Left and right vertical folding lines (2) having groove-shaped cuts (22)
0a, 20b) and a central longitudinal folding line (20c) in the horizontal direction, a fitting hole (24a) is drilled to the left of the left vertical folding line (20a), and the inner surface of the plate at the right. Is provided with a fitting convex rib (26), and a right vertical folding line (20b) is provided.
As shown in a perspective view of FIG. 1 (b), a fitting hole (24b) having a fitting hole (24b) formed in a position facing the fitting convex rib (26) above is used as the center vertical bending line (20c). And (2) a flattened opening maintaining member (2) having a flat resealing function, which is bent inward by 180 ° and fitted with the fitting convex rib and the fitting hole.

The pair of fitting holes (24a, 24b) and the fitting convex rib (26) are provided with three pairs of fitting portions as shown in FIG. Or two pairs may be provided, but at least one pair of fitting parts is required, and the opening maintaining member (2) having a reseal function is provided.
The number can also be selected depending on the size of the device.

As shown in the perspective view of FIG. 2 (a), the flattened opening maintaining member (2) having the reseal function obtained above is used for the four vertical rectangular plates (10). The outer surface of one of the above and the inner surface of the pouch spout (60) are heat-sealed or bonded with an adhesive to form a resealable pouch with an opening maintaining member (1).

In using the pouch with the resealable opening maintaining member according to the first aspect of the present invention, the pouch is cut off based on the notch (62) at the tip of the spout (60) shown in FIG.
As shown in (b), while pressing the seal portions (64) on both sides of the spout (60) with fingers, the opening maintaining member (2) having a reseal function is raised to raise the fitting hole and the fitting convex rib ( (Not shown) is fitted to form a square tube, and the opening (6
8) and the flow path (28) for the content in the square tube can be ensured, so that the content can be easily and stably poured from the opening (68) of the spout (60).

Further, after the content is poured out in a predetermined amount, the resealing is performed by opening and closing the opening maintaining member (2) having a square tubular resealing function shown in FIG. As shown in FIG. 2 (c), the original flattened opening maintaining member (2) having a reseal function is fitted with the fitting hole and the fitting convex rib (not shown) as shown in FIG. By this, resealing is completed easily.

Further, as one embodiment of the pouch (1) with a resealable opening maintaining member according to the present invention, as shown in the perspective view of FIG. As an opening maintaining member (2) having a function, three sheets having a thickness of 1.2
The three vertical rectangular plates (10) having substantially the same shape and facing the vertical rectangular plate (10) of about mm have two V-groove-shaped cuts (22) on the outer surface of the plate. A folding line (20d, 20e), two vertical folding lines on the right (20g, 20f), and a central vertical folding line (20
h), a fitting hole (24c) is formed to the left of the left vertical bending line (20d), and a fitting hole (24d) is formed to the right of the vertical bending line (20e). A fitting convex rib (26) is provided on the inner surface of the plate on the two vertical folding lines (20d, 20e) on the left side, and the right and left sides on the two vertical folding lines (20g, 20f) on the right side. The fitting holes (24f, 24e) formed at the positions facing each other are bent 180 ° inward from the central vertical bending line (20h), as shown in the perspective view of FIG. 3 (b). An opening maintaining member (2) having a flat reseal function in which a fitting hole (not shown) facing the fitting convex rib (not shown) is fitted.

The pair of fitting holes (24c, 24d) and the fitting holes (24f, 24e) and the fitting convex rib (26) are
As shown in FIG. 3A, two pairs of fitting portions can be provided to stabilize the fitting and fixation, or three pairs can be provided, but at least one pair of fitting portions is required. However, the number thereof can also be selected according to the size of the opening maintaining member (2) having the reseal function.

As shown in the perspective view of FIG. 4 (a), the flattened opening maintaining member (2) having the reseal function shown in FIG. Shaped plate (10)
One of the three, preferably the middle vertical rectangular plate (10) of the three so as to balance the sticking position
And the inner surface of the pouch outlet (60) is heat-sealed or bonded with an adhesive to form a resealable pouch (1) with an opening maintaining member.

In using the pouch with the resealable opening maintaining member according to the second aspect of the present invention, the pouch is cut off based on the notch (62) at the tip of the spout (60) shown in FIG.
As shown in (b), while pressing the seal portions (64) on both sides of the spout (60) with fingers, the opening maintaining member (2) having a reseal function is raised to raise the fitting hole and the fitting convex rib ( (Not shown) is fitted to form a hexagonal cylinder, and the opening (6
8) and the flow path (28) for the contents in the hexagonal cylinder can be secured, so that the contents can be easily and stably poured from the spout (60) of the pouch.

Further, after the predetermined amount of the content has been poured out, resealing is performed by opening the hexagonal cylinder-shaped opening maintaining member (2) having a resealing function shown in FIG. As shown in FIG. 4 (c), the original flat flat opening maintaining member (2) having a reseal function is fitted to the fitting hole and the fitting convex rib (not shown) as shown in FIG. By this, resealing is completed easily.

As one embodiment of the pouch (1) with a resealable opening maintaining member of the present invention, in the invention of claim 3, as shown in a perspective view of FIG. As the opening maintaining member (2), an upper left vertical rectangular plate (12a) and an upper right vertical rectangular plate (12b) are provided on both left and right sides of an upper central vertical rectangular plate (12) having a thickness of about 1.2 mm. Are connected to each other via vertical bending lines (20i, 20j) each having a V-shaped notch (22), and a lower left vertical rectangular plate (14a) and an upper portion are provided on both left and right sides of a lower central vertical rectangular plate (14). Right vertical rectangular plate (14b) has V on the outer surface
The upper central vertical rectangular plate (12) and the lower central vertical rectangular plate (14) are connected to each other via vertical folding lines (20i, 20j) each having a groove-like cut (not shown).
Are connected to each other via a horizontal bending line (21) having a V-groove-shaped cut (22) on the outer surface, and the upper left / right vertical rectangular plates (12a, 12b) and the lower left / right vertical rectangular plates (14a,
14b) is cut and separated at a substantially right angle such that the apex of the corner comes to the end of the horizontal folding line (21), and the upper and lower vertical folding lines (20i, 20j) are sandwiched therebetween. The concave rib (25a) and the convex rib (25
b), a pair of U-shaped fitting portions (25) are provided, and an upper central vertical rectangular plate (12) and a lower central vertical rectangular plate (14) are sandwiched by the horizontal folding line (21). An opening maintaining member (2) having a flat resealing function and having a pair of center-fold fitting portions (27) comprising a convex rib (25b) and a concave rib (25a) provided on the inner surface of the member.

As shown in the perspective view of FIG. 6 (a), the opening maintaining member (2) having the flat resealing function obtained as described above is provided with upper and lower central vertical rectangular plates (12, 1).
The outer surface of 4) is attached to the inner surface of the pouch outlet (60) by heat sealing or an adhesive to form a resealable pouch with an opening maintaining member (1).

As shown in the perspective view of FIG. 7 (a) and the sectional side view of FIG. 7 (b), the shape of the above-mentioned U-shaped fitting portion (25) is a square plate-like convex rib (25b). 7) and a concave rib (25a) having a hook piece like an eagle's beak at the tip.
As shown in the side sectional view of (c), for example, when the upper left vertical rectangular plate (12a) is folded in 90 °, the convex rib (25
It is also possible to engage with the hooked piece of the concave rib (25a) by hooking it on b).

As another shape of the U-shaped fitting portion (25), as shown in a perspective view of FIG. 8A and a sectional side view of FIG. Convex ribs (25
b) and an arch-shaped concave rib (25a).
As shown in the side sectional view of (c), for example, when the upper left vertical rectangular plate (12a) is folded in 90 °, the convex rib (25
b) may be shaped to fit within the arch of the concave rib (25a).

Further, the above-mentioned U-shaped fitting portion (25)
As another shape, as shown in the perspective view of FIG. 9 (a) and the sectional side view of FIG. 8 (b), it has a vertically long quadrangular cylindrical convex rib (25b) and a vertically elongated hook at the tip. Concave rib (25
a), as shown in the side sectional view of FIG. 9C, for example, when the upper left vertical rectangular plate (12a) is folded inside by 90 °, the convex rib (25b) is hooked by the concave rib (25a). The shape may be such that the part is hooked and fitted.

As shown in the perspective view of FIG. 5, as the shape of the center folding fitting portion (27), a horizontally long quadrangular columnar convex rib (25b) and a concave rib having a horizontally long hook at the tip end. (25a), for example, an upper central vertical rectangular plate (1
2) is folded in 90 ° (not shown), and the convex ribs (2)
5b) is engaged with the hook of the concave rib (25a) by hooking it.

As another shape of the center folding fitting portion (27), as shown in the perspective view of FIG. 10, a horizontally long rectangular convex rib (25b) and a vertical portion having an inclined side at an upper portion. For example, when the upper central vertical rectangular plate (12) is folded inwardly by 90 ° (not shown), the inclined side of the vertical plate rib (25c) is formed on the upper surface of the convex rib (25b). May be shaped so as to hit and lock.

Further, the center folding fitting portion (27)
As another shape, as shown in the perspective view of FIG. 11A, a square hole (25d) formed on the horizontal folding line (21) and a tip protrudes inward from a lower side of the hole. For example, when the upper central vertical rectangular plate (12) is folded inward by 90 °, as shown in a perspective view of FIG. 11B, a convex rib (25b) is formed on the upper side of the rectangular hole (25d). The shape may be such that the top end of the mold rib (25b) is in contact with the outer surface of the upper central vertical rectangular plate (12) so as to be fitted.

Furthermore, the above-mentioned center folding fitting part (27)
As another shape, as shown in a perspective view of FIG. 12, a concave rib (25
a) and a convex rib (2)
5b), for example, an upper central vertical rectangular plate (12)
Can be formed so that the hooks of the concave ribs (25a) and the convex ribs (25b) are hooked together.

In using the pouch with the resealable opening maintaining member according to the third aspect of the present invention, the notch (62) at the tip of the spout (60) as shown in FIG. After cutting, as shown in the perspective view of FIG.
0), the upper left and right vertical rectangular upper plates (12a, 12b) and the lower left and right vertical rectangular upper plates (14a, 14b) of the opening maintaining member (2) having a reseal function while pressing both side seal portions (64) with fingers.
14b) is erected and fitted in a U-shaped fitting portion (not shown) to form a gutter-shaped U-shape, and the pouch opening (68)
And the flow path of the contents (2
8) can be secured, so that the pouch outlet (6
From 0), the contents can be stably and easily poured.

Further, after the content is poured out in a predetermined amount, resealing is performed by opening the gutter-shaped U-shaped opening maintaining member (2) having a resealing function shown in FIG. As shown in the perspective view of (2), by bending the inside approximately 90 ° at the horizontal folding line (21) and fitting it at the center folding fitting part (27),
The resealing is completed easily.

As an embodiment of the pouch (1) with a resealable opening maintaining member of the present invention, the invention of claim 4 has, for example, a reseal function as shown in a perspective view of FIG. The opening maintaining member (2) has an upper left vertical rectangular plate (12a) and an upper right vertical rectangular plate (12b) on the outer surface on both left and right sides of an upper central vertical rectangular plate (12) having a thickness of about 1.2 mm. The lower left vertical rectangular plate (14) is provided on both the left and right sides of the lower central vertical rectangular plate (14) by connecting the vertical central bending lines (20k, 20l) each having a V-groove cut (22).
a) and the lower right vertical rectangular plate (14b) each having a V-shaped notch (not shown) on the outer surface,
0k, 20l), and the upper central vertical rectangular plate (12) and the lower central vertical rectangular plate (14) are provided with a horizontal bending line (2) having a V-shaped notch (22) on the outer surface.
1), the upper left and right rectangular plates (12a,
12b) Lower end and lower left and right rectangular plates (14a, 14b)
The middle folding fitting pieces (27a, 27
b), the upper and lower longitudinal fold lines (20
(k, 20l), the opening maintaining member (2) having a flat resealing function provided with a pair of U-shaped fitting portions (25) made of irregularities on the inner surface of the plate.

As shown in the perspective view of FIG. 14 (a), the opening maintaining member (2) having the flat reseal function obtained above is provided with an upper central vertical rectangular plate (12) and a lower central vertical plate. The outer surface of the square plate (14) is connected to the pouch spout (60).
And a heat-sealable or adhesive-backed pouch (1) with an opening maintaining member.

The U-shaped fitting portion (2) according to the fourth aspect of the present invention.
The shape of 5) is the same as in the case of the third aspect of the present invention.
As shown in FIG. 9, the concave rib (25a) and the convex rib (2
5b) may be a pair of U-shaped fitting portions (25).

In using the pouch with the resealable opening maintaining member according to the fourth aspect of the present invention, the notch (62) at the tip of the spout (60) as shown in FIG. As shown in the perspective view of FIG. 14 (b), the upper left and right vertical rectangles of the opening maintaining member (2) having a reseal function are pressed while pressing both side seal portions (64) of the spout (60) with fingers. Upper plate (12a, 12b) and lower right and left vertical rectangular upper plate (14
a, 14b) to raise the U-shaped fitting portion (not shown)
To form a U-shaped gutter, and open the pouch (6
8) and a flow path (2) for the contents in a U-shaped gutter shape inside thereof.
8) can be secured, so that the pouch outlet (6
From 0), the contents can be stably and easily poured.

Further, after the content is poured out in a predetermined amount, resealing is performed by opening the opening maintaining member (2) having a U-shaped gutter-like resealing function shown in FIG. As shown in the perspective view of FIG. 1), it is bent inward by about 90 ° at the horizontal bending line (21), and is fitted with the middle folding fitting piece (27 a) at the lower end of the upper left and right vertical rectangular plate (12 a, right not shown). The resealing can be easily completed by fitting a middle folding fitting (not shown) at the upper end of the lower left and right vertical rectangular plate (14a, right not shown). That is, the center folded fitting portion (27) according to the third aspect of the present invention is not required, and a fitting portion having a simpler and easier-to-mold shape can be obtained.

[0046]

As described above, the present invention has the following effects. That is, a pouch with a resealable opening maintaining member in which an opening maintaining member having a reseal function is attached to the inner surface of the spout, and the number of the opening maintaining members having the reseal function is four or six. Are vertically connected to each other via a vertical folding line, have fitting portions at positions facing each other on the vertical folding line, and are bent 180 ° inward from the central vertical folding line. Is a pouch to which one outer surface of the plate and the inner surface of the spout are stuck. In use, the pouch is opened with a finger after opening to form a square or hexagonal cylinder, and the flow of the contents is performed. Since the path can be secured, the contents can be stably poured out easily, and the resealing is performed by using the raised square or hexagonal cylinder in the original flat opening maintaining member. By opening back, the opening can be easily resealed .

Further, the opening maintaining member having the resealing function is characterized in that upper and lower left and right rectangular plates are connected to each other on both left and right sides of the upper and lower central rectangular plates via vertical bending lines to form upper and lower central rectangular plates. The plate is provided with a U-shaped fitting portion sandwiching the vertical folding line, and a middle folding fitting portion with the horizontal folding line interposed therebetween, and the upper and lower portions thereof are provided. Since the outer surface of the center square plate and the inner surface of the pouch spout were stuck, when using the pouch, it was bent 90 ° inward with a finger after opening to form a U-shaped gutter-like shape according to the vertical folding line. As a result, it is possible to secure the flow path of the contents, so that the contents can be stably poured out easily and can be easily poured.
In the resealing, the opening can be easily resealed by keeping the U-shaped gutter-like shape and fitting the transverse fold line inward at about 90 ° to the middle fold fitting portion.

Accordingly, the present invention has an excellent practical effect as a refillable pouch with a spout or a main container for storing toiletries such as a liquid detergent, and in particular, as a pouch with an opening maintaining member capable of being resealed. Demonstrate.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 illustrates an embodiment of an opening maintaining member having a reseal function which constitutes a pouch with a resealable opening maintaining member of the present invention, wherein (a) is a perspective view before bending. (B) is a perspective view of a bent flat shape.

2 (a) is a perspective view of the vicinity of a spout, and FIG. 2 (b) is a perspective view showing the vicinity of a spout. It is a perspective view showing a state in which the opening maintaining member having a sealing function is raised, and the auxiliary maintaining member mainly represents the opening maintaining member,
(C) is a perspective view showing the resealing state mainly of the opening maintaining member, and shows the pouch in an auxiliary manner.

FIG. 3 illustrates another embodiment of an opening maintaining member having a reseal function that constitutes the pouch with a resealable opening maintaining member of the present invention, wherein (a) is a perspective view before bending. (B) is a bent perspective view of a flat shape.

4A and 4B illustrate another embodiment of the pouch with a resealable opening maintaining member according to the present invention, wherein FIG. 4A is a perspective view near a spout, and FIG. FIG. 9 is a perspective view showing a state in which an opening maintaining member having a resealing function is raised, in which an opening maintaining member is mainly used and a pouch is supplementarily shown. It is a perspective view which shows a sealing state, and has represented the pouch auxiliary.

FIG. 5 is a perspective view illustrating another embodiment of an opening maintaining member having a resealing function, which constitutes the pouch with a resealable opening maintaining member of the present invention.

6A and 6B illustrate another embodiment of the pouch with a resealable opening maintaining member according to the present invention, wherein FIG. 6A is a perspective view near a spout, and FIG. FIG. 9 is a perspective view showing a state in which an opening maintaining member having a resealing function is raised, in which an opening maintaining member is mainly used and a pouch is supplementarily shown. It is a perspective view which shows a sealing state, and has represented the pouch auxiliary.

7A and 7B illustrate an example of a U-shaped fitting portion according to the present invention. FIG. 7A is a perspective view before fitting, and FIG.
FIG. 2 is a side sectional view before fitting, and FIG. 3C is a side sectional view for explaining a fitted state.

8A and 8B illustrate another example of the U-shaped fitting portion according to the present invention. FIG. 8A is a perspective view before fitting.
(B) is a side sectional view before fitting, and (c) is a side sectional view explaining a fitting state.

9A and 9B illustrate another example of the U-shaped fitting portion according to the present invention, and FIG. 9A is a perspective view before fitting.
(B) is a side sectional view before fitting, and (c) is a side sectional view explaining a fitting state.

FIG. 10 is a perspective view illustrating an example of a center-fold fitting portion according to the present invention.

11A and 11B illustrate another example of the center-fold fitting portion according to the present invention. FIG. 11A is a perspective view before fitting.
(B) is a perspective view showing a fitted state.

FIG. 12 is a perspective view illustrating another example of the center-fold fitting portion according to the present invention.

FIG. 13 is a perspective view illustrating another embodiment of an opening maintaining member having a reseal function which constitutes the pouch with a resealable opening maintaining member of the present invention.

FIGS. 14A and 14B illustrate another embodiment of the pouch with a resealable opening maintaining member of the present invention, wherein FIG. 14A is a perspective view of the vicinity of a spout, and FIG. A perspective view showing a state in which the opening maintaining member having the reseal function is raised.
(C) is a perspective view showing a resealed state mainly composed of the opening maintaining member and mainly showing the opening maintaining member, and auxiliaryly showing the pouch.

FIG. 15 is a front view illustrating an embodiment of the pouch with a resealable opening maintaining member of the present invention.

[Explanation of symbols]

1 {Pouch with resealable opening maintaining member 2} Opening maintaining member having reseal function 10 {Vertical rectangular plate 12} Upper central vertical rectangular plate 12a {Upper left vertical rectangular plate 12b} {Upper right vertical rectangular plate 14} Lower central vertical rectangular plate 14a {Lower left vertical rectangular plate 14b} Lower right vertical rectangular plate 20a {Left vertical bending line 20b} Right vertical bending line 20c, 20h ‥‥ Central vertical folding line 20d, 20e, 20f, 20g, 20i, 20j, 2
0k, 20l {vertical bending line 21} horizontal bending line 22 {V-groove cut 24a, 24b, 24c, 24d, 24e, 24f}
Fitting hole 25 ‥‥ U-shaped fitting part 25a ‥‥ Concave rib 25b ‥‥ Convex rib 25c ‥‥ Vertical plate rib 25d ‥‥ Square hole 26 ‥‥ Mating convex rib 27 ‥‥ Center fold fitting Parts 27a, 27b {Folding fitting piece 28} Contents flow path 60 * Injection port 62 * Notch 64 * Seal part 66 * Bottom 68 * Pouch opening

Claims (4)

[Claims] 1. A pouch with a spout having a spout protruding upward at the periphery of a synthetic resin film on the front and back sides, and an opening maintaining member having a resealing function is adhered to an inner surface of the spout. A pouch with a resealable opening maintaining member, wherein the opening maintaining member having the reseal function is formed by four square plates having left and right sides having notches on the outer surface, and three central folding lines at the center. And a fitting portion comprising at least one pair of holes and convex ribs at positions facing each other on the left and right vertical folding lines, and bent 180 ° inward from the central vertical folding line. A pouch with a resealable opening maintaining member, wherein an outer surface of one of the four rectangular plates and an inner surface of the spout are adhered. 2. An opening maintaining member having a reseal function, comprising:
Two square plates on the left side with a notch on the outer surface,
At least one pair of holes are provided at two positions on the right side and two on the left side and two sides on the right side that are opposite to each other on the left side and the right side on the two vertical bending lines. And a fitting portion formed of a convex rib, which is bent 180 ° inward from the central vertical folding line, and an outer surface of one of the six rectangular plates and an inner surface of the spout are formed. The pouch with a resealable opening maintaining member according to claim 1, wherein the pouch is attached. 3. An opening maintaining member having a resealing function, wherein upper left and right rectangular plates are continuously provided on both left and right sides of an upper central rectangular plate via a vertical bending line having a cutout on an outer surface. Lower left and right lateral plates are connected to each other via a vertical folding line having a cut in the outer surface on both left and right sides of the plate, and the upper central rectangular plate and the lower central rectangular plate are passed through a horizontal folding line having a cut in the outer surface. The upper left and right lateral plates and the lower left and right lateral plates are cut and separated at a substantially right angle such that the vertices of the corners come to the ends of the horizontal fold lines, and cut the upper and lower vertical fold lines. A pair of U-shaped fitting portions are provided on the inner surface of the corresponding plate, and a pair of middle-fitting portions are provided on the inner surface of the corresponding plate across the horizontal folding line. The outer surface of the plate and the inner surface of the spout are stuck. Resealable opening maintaining member with pouch according to claim 1, in which. 4. An opening maintaining member having a reseal function, wherein upper left and right rectangular plates are continuously provided on both left and right sides of an upper central rectangular plate via a vertical folding line having a cut in an outer surface. Lower left and right lateral plates are connected to each other via a vertical folding line having a cut in the outer surface on both left and right sides of the plate, and the upper central rectangular plate and the lower central rectangular plate are passed through a horizontal folding line having a cut in the outer surface. Are provided at the lower end of the upper left and right laterally shaped plate and the upper end of the lower left and right laterally shaped plate. 2. A resealable structure according to claim 1, wherein a pair of U-shaped fitting portions are provided, and an outer surface of the upper and lower central square plates and an inner surface of the spout are adhered. Pouch with a simple opening maintaining member.