JP2001130653A - Pouch with metering function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pouch having a metering function in which the stored content of a predetermined amount can be easily taken out in a precise manner by a simple operation, and a hand is not apt to be stained with the stored content when the stored content is poured out. SOLUTION: There is provided a pouch in which an inside of the pouch is defined by both a first partition member and a second partition member of a film having substantially the same width as that of the pouch into a storing chamber, a metering chamber and a discharging chamber. Entire length of a lower side of the first partition member is connected to the surface material, its upper side is not connected to it, thereby the storing chamber having released upper part is formed, the entire length of the upper side of the second partition member is connected to the rear surface material at the upper portion of the pouch, its lower side is arranged to cover the upper side of the first partition member and not connected, thereby the metering chamber communicated with the storing chamber at its lower part is formed above the pouch, and the discharging chamber communicated with the metering chamber and the discharging port at its upper part is formed below the metering chamber.

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 weighing function capable of weighing out contents such as powder, granules or liquid stored in a pouch.

[0002]

2. Description of the Related Art Conventionally, as pouches for detergents, seasonings, foods, cosmetics, etc., pouches made of a single layer or laminated material of a plastic film and having various shapes and structures have been proposed. It does not have the function of easily filling the contents and weighing out the contents. As a plastic pouch having a weighing function, there has been proposed a plastic pouch in which an outlet for contents is formed on a sealing surface of the pouch and the outlet is connected to a measuring tank (Japanese Patent Laid-Open No. 7-4101).
No. 7), in this pouch, when the contents are measured, the spout is closed by hand, and after the contents are fed into the measuring tank by a predetermined amount, the connecting portion between the measuring tank and the pouch body is pressed by hand to open the spout. Thereby, a predetermined amount of contents is taken out. Therefore, in this pouch, it is necessary to manually operate the pouch according to a certain procedure, which causes problems such as poor weighing of the contents, and contamination of the hands with the contents. Furthermore, at the time of heat sealing after filling the contents,
A measuring tank and a spout must be formed, and the filling aptitude is poor.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and enables a predetermined amount of contents to be easily and accurately taken out by a simple operation.
It is an object of the present invention to provide a pouch with a weighing function that does not cause the hands to be stained by contents at the time of pouring.

[0004]

In order to solve the above-mentioned problems, the present invention has the following arrangement. 1. The inside of the pouch is a pouch partitioned into a storage room, a measuring room, and a discharge room by a film-shaped first partition material and a second partition material having substantially the same width as the pouch. The upper side is left unjoined to form a storage room with an open upper part, the entire length of the upper side of the second partition material is bonded to the back material at the top of the pouch, and the lower side covers the upper side of the first partition material. By disposing them in a non-joined state, a lower part of the pouch forms a measuring chamber communicating with the storage chamber, and a lower part of the measuring chamber forms a discharge chamber communicating with the measuring chamber and the spout. Features a pouch with a weighing function. 2. 2. The pouch with a weighing function according to claim 1, wherein a spout is provided in a branched manner, and a filling port communicating with the storage chamber is separately provided.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION The pouch body of the present invention is composed of a single-layer or multi-layer plastic film, but the plastic film to be used is not particularly limited, and any of those usually used for pouches can be used. is there.
Materials suitable for forming the plastic film include, for example, crystalline polypropylene, crystalline propylene-
Ethylene copolymer, crystalline polybutene-1, crystalline poly4-methylpentene-1, low-, medium-, or high-density polyethylene, ethylene-vinyl acetate copolymer (EV
A), polyolefins such as saponified EVA, ethylene-ethyl acrylate copolymer (EEA), ion-crosslinked olefin copolymer (ionomer); aromatic vinyl copolymer such as polystyrene and styrene-butadiene copolymer; Halogenated vinyl polymers such as polyvinyl chloride and vinylidene chloride resin; polyacrylic resin; acrylonitrile-styrene copolymer, acrylonitrile-styrene-
Nitrile polymers such as butadiene copolymer; polyamides such as nylon 6, nylon 66, para- or meta-xylylene adipamide; polyethylene terephthalate;
Polyesters such as polyethylene naphthalate and polytetramethylene terephthalate; various polycarbonates;
Fluorinated resins; thermoplastic resins such as polyacetals such as polyoxymethylene; Films made of these plastic materials are unstretched, uniaxially stretched,
Alternatively, it is used as a biaxially stretched film.

[0006] The plastic film used for the pouch body of the present invention can be constituted by a single layer of these plastic films or by laminating two or more types. Also, one or two types of these plastic films can be used. A metal foil such as aluminum or the like, paper, cellophane, or the like may be bonded to the above. In particular, in the case of contents requiring gas barrier properties, a polyvinylidene chloride resin layer, an EVA saponified layer, a resin layer having a deposited film of a metal oxide such as aluminum oxide or silicon oxide, a metal such as aluminum, etc. It is preferable to use a laminated film including a foil or the like. When manufacturing these laminated films, an adhesive or an anchoring agent made of an epoxy resin, a urethane resin, a polyethyleneimine resin, or the like can be interposed between the respective layers as necessary.

[0007] In order to impart rigidity, heat insulation and the like to the film constituting the pouch, films made of foams of various synthetic resins can be used, and various synthetic resins such as titanium oxide, calcium carbonate, carbon and the like can be used. Films filled with additives can also be used. Whether the plastic film is made into a single layer or what kind of layer structure may be selected according to the properties of the contents to be filled in the pouch. The production of the plastic film can be performed by a usual method such as a casting method, a T-die method, a calendering method or an inflation method. The production of the laminated film can be carried out by a conventional method such as dry lamination of a previously formed film, coating on a base film, and co-extrusion. When a laminated film is used as the film constituting the pouch, it is usually preferable to use a resin having heat sealing properties such as polyethylene as the inner film in order to impart heat sealing properties.

The front and back members constituting the pouch body of the present invention are usually formed of the same type of film, but may be formed as a pouch by sealing separate films to be the front and back members, respectively. Although good, one film can be folded back and used as a front surface material and a back surface material. There is no particular limitation on the material constituting the partitioning material provided inside the pouch main body, and any plastic film or the like having a heat sealing property or an adhesive property with the surface material and the back surface material forming the pouch main body may be used. However, it is preferable to use the same material as the inner layer in the case of a surface material and a back material, or in the case of a laminated material.
The form of the pouch of the present invention is not particularly limited, and the present invention can be applied to pouches having various shapes such as a flat bag, a pillow bag, and a gusset bag in addition to the standing pouch.

A specific example of the present invention will be described below with reference to the drawings. 1 to 7 are views showing an example in which the present invention is applied to a standing pouch, FIG. 1 is a front view in a use state of the pouch, FIG. 2 is a schematic cross-sectional view taken along line AA of FIG. Is a schematic cross-sectional view of the pouch when the contents are filled, and FIGS. 4 to 7 are views showing the use state of the pouch, and are schematic cross-sectional views corresponding to FIG.

As shown in FIGS. 1 to 3, the standing pouch 1 heat seals a front surface material 2, a first back surface material 3, a second back surface material 4, and a gusset portion 5 made of a plastic film at a peripheral portion thereof. A spout 7 is provided on one side by branching off from the branch portion 6, and a filling port 9 communicating with the storage chamber 8 is separately provided. After filling the contents, the filling port 9 is heat-sealed. In the pouch 1, the branch portion 6 below the filling port 9 is provided.
It is possible to fold the surface materials 2 so as to overlap with each other along the direction, so that the suitability for filling the contents is improved and the storage and transportation after filling the contents are facilitated. As shown in FIGS. 2 and 3, the interior of the pouch 1 is provided with a first partition member 12 and a second partition member 15 made of a plastic film having substantially the same width as the pouch 1, and a storage room 8, a measuring chamber 10, and a discharge chamber 8. It is partitioned into a room 11. The first partition member 12 that partitions the pouch 1 is formed such that the entire length of the lower side 13 is heat-sealed to the surface material 2 and both sides are heat-sealed to the side seal portions 18 to form the discharge chamber 11. The storage chamber 8 whose upper part is open is formed by leaving it unsealed.

The second partition member 15 has its upper side 16 heat-sealed to the second backing member 4 at the upper part of the pouch 1 over its entire length, and its lower side 17 has the upper side 14 of the first partition member 12.
And is unsealed. Also,
Both sides are heat-sealed to side seal portions 18. In this manner, above the pouch 1, the measuring chamber 10 partitioned by the second backing member 4 and the second partition member 15 and communicating with the storage room 8 is formed. Further, below the weighing chamber 10, a discharge chamber 11 having the lower side 13 of the first partition member 12 as a bottom and the surface member 2 and the first partition member 12 as wall surfaces is formed. The upper part of the discharge chamber 11 communicates with the lower part of the measuring chamber 10, and also communicates with the spout 7. The width of the first partition member 12 and the width of the second partition member 15 may be substantially the same as the corresponding portions of the pouch 1 where the partition members are heat-sealed.

Next, a case where a predetermined amount of granular content is measured and taken out using the pouch 1 will be described. After filling the contents into the pouch 1 and sealing the filling port 9, the spout 7 of the pouch 1 is caused as shown in FIGS. 1 and 4, and after opening the spout 7 of the pouch 1, as shown in FIG. When the pouch 1 is inverted, the contents are stored in the storage room 8.
Flows through the unsealed upper side 14 of the first partition member 12 into the measuring chamber 10, and a predetermined amount is measured. Next, as shown in FIG. 6, when the pouch is raised to return to the original state, the contents in the measuring chamber 10 flow into the discharge chamber 11 from the lower side 17 of the unsealed second partition member 15. Then, FIG.
When the pouch 1 is again inverted as shown in FIG.
The contents inside are poured out of the pouch 1 from the spout 7. At this time, at the same time, the contents flow from the storage room 8 to the measuring chamber 10, and when the pouch is returned to the original state (FIG. 6) after the predetermined amount of the contents has been poured out, the measured contents are returned. Flows into the discharge chamber 11 from the measuring chamber 10. Therefore, after the first dispensing of the contents, a predetermined amount of the contents can be continuously dispensed for each inversion operation.

8 and 9 are views showing another example in which the present invention is applied to a standing pouch. FIG. 8 is a front view of the pouch in use, and FIG. 2 is a schematic sectional view taken along line BB of FIG. FIG. This pouch 1 has a structure in which the back members 3 and 4 of the pouch 1 are formed of a single film, and is different from the pouches shown in FIGS.
And the filling port 9 is not provided. Other configurations of the pouch are the same as those of the pouch of FIGS.

In each of the above examples, the example in which the spout 7 is provided at the center of the pouch has been described. However, the pouch with the weighing function of the present invention is not limited to these specific examples. The design can be changed as appropriate, for example, provided on one side. Further, the form of the pouch of the present invention is not limited to the standing pouch,
Pouches of various shapes such as flat bags, pillow bags, and gusset bags can be used. Furthermore, in the pouch with a measuring function of the present invention, a bulging portion by embossing or a linear reinforcing portion is provided in the discharge chamber 11 or the spout 7 or in order to facilitate the pouring of the contents into the vicinity thereof. It may be formed, or a reinforcing material made of another member may be heat-sealed or bonded.
Further, in order to facilitate opening of the spout 7, a rough surface, a perforation, a thin portion, or an easy-opening portion formed of a notch, a V notch, an I notch, or the like by laser processing, machining, or the like may be provided. .

The contents contained in the plastic pouch with a measuring function of the present invention are not particularly limited as long as they can easily flow under their own weight.
Granules and liquids are included. Preferred contents include, for example, granular, granular, or liquid detergents, bath additives, bleaching agents, and foods such as instant coffee, sugar, and salt.

[0016]

According to the pouch of the present invention, by simply repeating the simple operation of inverting and erecting the pouch, a predetermined amount of contents can be transferred from the storage chamber to the measuring chamber, the discharge chamber, and from the spout to the outside of the pouch. It is possible to easily take it out by sequentially moving it. Further, a predetermined amount of contents can be taken out with high accuracy without touching the contents without touching the hands.
Further, when the spout is provided in a branched manner and a filling port communicating with the storage chamber is separately provided, the pouch is excellent in the suitability for filling the contents.

[Brief description of the drawings]

FIG. 1 shows an example of a pouch with a weighing function of the present invention, and is a front view in use.

FIG. 2 is a schematic sectional view taken along line AA of the pouch of FIG.

FIG. 3 is a schematic cross-sectional view of the pouch shown in FIG. 1 when the contents are filled.

FIG. 4 is a diagram illustrating a use state of the pouch of FIG. 1;

FIG. 5 is a diagram illustrating a use state of the pouch of FIG. 1;

FIG. 6 is a diagram illustrating a use state of the pouch of FIG. 1;

FIG. 7 is a diagram illustrating a use state of the pouch of FIG. 1;

FIG. 8 shows another example of the pouch with a weighing function of the present invention, and is a front view in use.

9 is a schematic cross-sectional view of the pouch of FIG. 8 taken along line BB.

[Invention of sign]

 DESCRIPTION OF SYMBOLS 1 Pouch 2 Surface material 3 1st back material 4 2nd back material 5 Depth part 6 Branch part 7 Outlet 8 Storage room 9 Filling port 10 Weighing room 11 Discharge room 12 First partition material 13 Same lower side 14 Same upper side 15 Second Partition material 16 Same upper side 17 Same lower side 18 Side seal part

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E064 AB25 EA30 FA03 HR01 HS10 HT06

Claims (2)

[Claims] 1. A pouch in which the inside of a pouch is divided into a storage room, a measuring room, and a discharge room by a film-like first partition member and a second partition member having substantially the same width as the pouch. By joining to the surface material, the upper side is made unjoined to form a storage room with an open top, the entire upper side of the second partition material is joined to the back material at the top of the pouch, and the lower side is the first partition material By disposing so as to cover the upper side of the pouch and making it unjoined, a lower part of the pouch is formed with a measuring chamber communicating with the storage chamber, and a lower part of the measuring chamber is discharged with an upper part communicating with the measuring chamber and the spout. A pouch with a weighing function, characterized in that a pouch is formed. 2. The pouch with a weighing function according to claim 1, wherein a spout is provided in a branched manner, and a filling port communicating with the storage chamber is separately provided.