JPH0930539A - Standing pouch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely prevent liquid from dripping when the liquid is poured out from an opening cut at the upper part, by providing a notch having a specified angle preventing the dripping liquid at one of both adhesion sides. SOLUTION: The bottom face sheet 20 folded so as to form a protrusion is inserted between side face sheets 30, 31 and the mutual inside faces of the bottom face sheet 20 and the lower end of side face sheets 30, 31 and also the mutual inside faces of both ends of the side face sheets 30, 31, are sealed with heat respectively by a specified width to form a standing pouch 1 having a charging space S for the contents and a space S' at the lower part of the bottom face part 2. And further, a cutting part 5 to horizontally cut the upper part of the body 3 is provided and a notch 4 preventing a contained liquid from dripping is also provided below the notch 5 at one of the heat-seal parts 3a. The angle 40 made by the upper edge 4a of the notch 4 and the side edge of the heat-seal part 3a is set at 90 degrees.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for filling a liquid content, particularly a standing pouch suitable as a refill container.

[0002]

2. Description of the Related Art As is well known, a standing pouch is used as a container for refilling powdery particles or liquids. Such a standing pouch has a bottom sheet 11a forming a bottom portion 11 and two side sheets 1 forming a body portion 12 like a standing pouch 10 shown in FIG.
2a, 12b, the bottom sheet 11a and the two side sheets 12a, 12b form a filling space S for the contents therein, and the bottom portion when filling the filling space S with the contents. Is heat-welded to form a space S'underneath. Then, when the contents are taken out from the standing pouch 10, the upper part of the body 12 is horizontally cut off and opened to provide an opening.
The contents are poured into the filling container by tilting 0 and using the above-mentioned opening portion as a spout.

[0003]

By the way, in the conventional standing pouch, when the upper portion of the body is unsealed and the liquid content is poured and taken out, the content is discharged from the spout to the side end portion of the body. There was a case where it fell down to the lower part of the track and the handle became dirty and other problems occurred.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a standing pouch capable of reliably suppressing dripping when pouring out liquid contents.

[0005]

DISCLOSURE OF THE INVENTION The present invention comprises a bottom sheet that constitutes a bottom portion and two side sheets that constitute a body portion, and the bottom sheet and the two side sheets are internally provided with contents. In a standing pouch that forms a filling space and is formed so as to form a space under the bottom when the contents are filled in the filling space, and the upper part of the body is cut to open. A cut portion for horizontally cutting the upper portion of the body portion is provided, and one of the adhesive portions on both side portions of the body portion is provided with a cutout portion for preventing dripping below the cut portion, and The object is achieved by providing a standing pouch in which the angle of the corner formed by the upper edge portion of the cutout portion and the adhesive portion is 90 ° or less.

When the contents are taken out from the standing pouch according to the present invention, first, the cutting portion is cut in the horizontal direction to open the opening, and the opening portion is provided. Then, the body of the standing pouch is held and tilted so that the notch is on the lower side, and the contents are taken out using the opening as the spout. At this time, the corners formed by the upper edge portion of the cutout portion and the side edge portion of the adhesive portion prevent the liquid substance from dripping from the spout, so that the handle is not soiled.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 and 2 show an embodiment of a standing pouch according to the present invention. In these figures, reference numeral 1 indicates a standing pouch.

As shown in FIG. 1, the standing pouch 1 comprises a bottom sheet 20 forming a bottom portion 2 and two side sheets 30 and 31 forming a body portion 3,
The bottom sheet 20 and the two side sheets 30 and 31 form a space S for filling the contents therein, and when the contents S are filled in the filling space S, a space S ′ is formed under the bottom portion 2. It is glued to Further, a cutting portion 5 for cutting the upper portion of the body portion 3 in the horizontal direction is provided. Further, one of the heat seal portions (adhesive portions) 3a on both sides of the body portion 3 of the standing pouch 1 is provided with a cutout portion 4 for preventing dripping below the cut portion 5.

In the standing pouch 1, the bottom sheet 20 folded in a mountain shape is sandwiched between the side sheets 30 and 31, and the bottom sheet 20 and the side sheet 3 are provided.
With the lower end portions of 0 and 31 aligned, the bottom sheet 20
The inner surfaces of the lower end portions of the side sheets 30 and 31 and the inner surfaces of both end portions of the side sheets 30 and 31 are heat-sealed with a predetermined width. By giving the heat-sealed heat-sealed portions 2a and 3a higher rigidity than other portions, the standing pouch 1 is not deformed even when the contents are filled.

The standing pouch 1 is formed in a flat shape before the contents are filled, and the upper end of the body 3 is open. After filling the contents, the upper end of the body portion 3 is heat-sealed with a predetermined width to provide the heat-sealing portion 3b so that the body 3 can be hermetically sealed. Further, the cutting portion 5 in the upper portion of the body portion 3 is provided with a cut 5a, and by cutting from the cut 5a in the horizontal direction along the auxiliary printing line (broken line A in the drawing), The standing pouch 1 can be opened.

As shown in FIG. 2, the notch 4 is formed in an inverted triangular shape, and its upper edge 4a extends horizontally from the side edge of the heat seal portion 3a. In addition, the upper edge portion 4a of the cutout portion 4 and the heat seal portion 3 in the body portion 3 described above.
The angle θ of the corner 40 formed with the side edge of a is set to 90 degrees, and when the contents are taken out, the liquid substance transmitted from the pouring port (described later) is liquified well by the corner 40. It is designed such that it can be cut and the liquid material that has run out of liquid drops into the mouth of the filling container.

Next, the procedure for manufacturing the standing pouch 1 will be described. First, similar to the conventional procedure for manufacturing a standing pouch, the bottom sheet 20 is folded in a mountain shape.
Is sandwiched between the side sheets 30 and 31, and
With the lower end portions of the bottom sheet 20 and the side sheets 30, 31 aligned, the bottom sheet 20 and the side sheet 30,
Inner surfaces of lower end portions of 31 and the side sheet 3
The inner surfaces of both ends of 0 and 31 are heat-sealed with a predetermined width. Then, the notch 4 is punched and provided in one of the heat-sealing portions 3a in the lateral portions of the body portion 3 constituted by the side sheets 30 and 31 to complete the flat standing pouch 1 before filling the contents. . Then, after filling the contents, the upper end of the body portion 3 is heat-sealed with a predetermined width to form a heat-sealing portion 3b, and the contents are hermetically sealed.

When the contents are taken out from the standing pouch 1, the cutting part 5 at the upper part of the body 3 is horizontally cut from the notch 5a to open the standing pouch 1 and provide an opening. Next, the standing pouch 1 is held with one hand and tilted so that the notch 4 is on the lower side, and the opening is applied as the spout to the mouth of the filling container and poured. At this time, the corner portion 40 formed by the upper edge portion 4a of the cutout portion 4 and the side edge portion of the seal portion 3a of the body portion 3 drains the contents transmitted from the pouring port, Since the liquid dripping is stopped, the handle will not get dirty.

As described above, the standing pouch 1 of this embodiment can surely suppress dripping when taking out the contents, so that the handle is not soiled. Further, the standing pouch 1 is easy to manufacture because it has only one notch in the heat seal portion 3a in the lateral portion of the body portion 3. Furthermore, since the side edge of the filling space S of the contents remains substantially straight, the inclination of the pouch at the time of taking out does not have to be large, and the contents can be taken out easily without being left over.

In the standing pouch of the present invention,
The notch has an angle θ (see FIG. 2) of a corner formed by the upper edge of the notch and the side edge of the seal portion in the body portion, which is 90 ° or less, preferably 60 to 90 °. Good drainage at the corners. As another form of the standing pouch having such a notch, for example, a standing pouch 1 ′ having the notch 4 ′ shown in FIGS. 3A to 3C can be cited. Even in the standing pouch 1 ′ having the cutouts 4 ′, the same effect as that of the standing pouch 1 of the above-described embodiment can be obtained.

In the standing pouch of the present invention,
When a cut for opening (shown by reference numeral 5 in FIG. 2) is provided in the cut portion, a distance d between the cut 5 and the upper end of the cutout portion.
(See FIG. 2) is preferably about 3 to 5 mm.

In the standing pouch of the present invention, the vertical length L1 (see FIG. 2) of the notch is 5
It is preferably about 10 mm. Further, the horizontal cut depth L2 (see FIG. 2) of the cutout portion is L2 / W = with respect to the seal width W of the seal portion on the side portion of the body portion.
It is preferably about 1/4 to 1/2.

In the standing pouch according to the present invention, as the material of the bottom sheet forming the bottom portion and the side sheet forming the body portion, the usual materials conventionally used for standing pouches can be used. Above all, ONY (oriented nylon) 15μm / OPP
(Oriented polypropylene) 20 μm / L-LDPE1
It is preferably made of a material such as 30 μm.

The liquid substance to be filled in the standing pouch according to the present invention is not particularly limited, but when the standing pouch of the present invention is used as a refill container for refilling, it may be used as a dishwashing detergent or a residential product. Liquid substances such as detergents and laundry detergents can be filled.

The standing pouch according to the present invention is not limited to the standing pouches 1 and 1'of the above-mentioned embodiment, and its size, shape, etc. may be changed as appropriate without departing from the object of the present invention. be able to.

[0021]

EFFECTS OF THE INVENTION The standing pouch of the present invention can prevent dripping when taking out contents, so that the hands are not soiled.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a standing pouch according to the present invention.

FIG. 2 is an enlarged front view of essential parts showing an upper part of the standing pouch of the same embodiment.

FIG. 3 is a front view of a main part showing a form of a cutout portion in another embodiment of a standing pouch according to the present invention,
(A) is a front view of a main part showing a form of a cutout part, (b) is a front view of a main part showing a form of a cutout part, and (c) is a front view of a main part showing a form of a cutout part.

FIG. 4 is a perspective view showing a conventional standing pouch.

[Explanation of symbols]

 1, 1'Standing pouch 2 Bottom part 20 Bottom sheet 3 Body part 3a Heat-sealing part (adhesive part) 30, 31 Side sheet 4, 4'Notch part 5 Cutting part S Filling space of contents S'space

Claims (1)

[Claims] 1. A bottom sheet 20 that constitutes the bottom portion 2 and two side sheets 30 and 31 that constitute the body portion 3. The bottom sheet 20 and the two side sheets 30 and 31.
Is bonded so as to form a filling space S for the contents therein and to form a space under the bottom surface portion 2 when the filling space S is filled with the contents, above the body portion 3. In a standing pouch for cutting and unsealing parts, a cutting part 5 for horizontally cutting the upper part of the body part 3 is provided, and adhesive parts 3a on both side parts of the body part 3 are provided.
On one side, a cutout portion 4 for preventing dripping is provided below the cutting portion 5, and an angle θ of a corner portion 40 formed by the upper edge portion 4a of the cutout portion 4 and the adhesive portion 3a is 90 ° or less. Standing pouch that is characterized by.