JP2007168818A - Pouch holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pouch holder which prevents a pouch from deforming by generating a head space in the pouch held downward, and stably spouts a definite amount of a content on every time from the time starting to spout the content in the pouch to the time finishing to spout it. <P>SOLUTION: The pouch holder is equipped with: a pouch storing part 21 holding the pouch by making the spout 4 of the pouch downward; and a pressing roll 25 for pressing a pouch main body arranged so that it crosses the width direction of the pouch storing part 21 and is movable along the longitudinal direction of the pouch storing part 21. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention holds the pouch with the spout facing downward, and liquid or gel-like contents such as liquid detergent, liquid soap, shampoo, rinse, disinfectant, soy sauce, sauce, tomato ketchup, etc. contained in the pouch are fixed. The present invention relates to a pouch holder that can be dispensed in quantities.

Conventionally, it is constructed by heat-sealing a plastic film, the opened downward spout is self-closed, and when the upper part of the spout is pushed with a finger or a jig, the self-closed spout is opened to keep the contents constant. Pouches that can be dispensed in quantities are known. (For example, see Patent Document 1)
Japanese Patent Laid-Open No. 11-193039

To hold a pouch with such a self-closing spout in a suspended manner with the spout facing downward and push it with your fingers to pour out a certain amount of contents, press the same position of the pouch with the same strength every time Therefore, it is easy to cause individual differences in the content extraction property, and it has been difficult to always dispense a certain amount of content.
In order to solve such problems, various types of pouch dispensing auxiliary jigs and pouch holders having pressing means for holding the pouch having a self-closing pouring port downward and opening the pouring port have been proposed. . (For example, see Patent Documents 2 and 3)
JP 2002-332076 A JP-A-2005-96847

  However, even when these auxiliary jigs and pouch holders are used, a head space is generated in the upper part of the pouch as the contents in the pouch decrease, and the pouch shape gradually changes and the pouring state is changed. Due to instability, it was difficult to stably pour out a certain amount of the contents each time from the start of the pouch contents to the end of the pouch.

  Therefore, the present invention solves these problems of the prior art, prevents a head space from being generated in the pouch held downward, and prevents the pouch from being deformed. An object of the present invention is to provide a pouch holder that can stably pour out a certain amount of contents each time until the end.

As a result of intensive studies, the present inventors have found that the pouch storage part of the pouch holder is provided with a pressing roll that presses the pouch body so as to be movable in the longitudinal direction of the storage part across the width direction of the pouch storage part. The present invention has been completed by discovering that the problems can be solved.
That is, in the present invention, the following configurations 1 to 8 are adopted.
1. A pouch storage portion that holds the pouch with the pouch outlet facing downward, and a pressure roll that presses a pouch body that is disposed so as to be movable along the longitudinal direction of the pouch storage portion across the width direction of the pouch storage portion. A pouch holder comprising:
2. 2. The pouch holder according to 1, wherein a diameter (a) of both end portions of the pressing roll and a diameter (b) of the central portion are set to satisfy a <b.
3. The pouch holder according to 1 or 2, wherein guide portions for restricting movement of the pressing roll are provided on both side portions of the pouch storage portion.
4). The pouch holder according to any one of claims 1 to 3, wherein a cover part is rotatably connected to the pouch storage part.
5. 5. The pouch holder according to any one of claims 1 to 4, wherein a pour-out portion pressing means for pressing a pouch pour-out portion is provided in the pouch storage portion.
6). The pouch holder according to any one of claims 1 to 5, wherein the pouch storage part and / or the cover part is provided with side part pressing means for pressing both lower side parts of the pouch body.
7). 7. The pouch holder according to any one of claims 1 to 6, wherein a pour-out means for pressing a pouch pour-out portion is provided on the cover portion.
8). 8. The pouch holder according to 7, wherein the pouring means is provided at a position corresponding to the pouring portion pressing means of the pouch storage portion.

  According to the present invention, as the contents of the pouch are reduced, a head space is generated in the upper part of the pouch, and the amount of dispensed water caused by the decrease in the swelling of the quantitative chamber due to the difficulty of the content flowing into the quantitative chamber. An unstable state can be prevented, and a constant amount of the contents can be stably dispensed each time from the start of the pouch contents to the end of the extraction.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. However, the following specific examples do not limit the present invention.
There is no restriction | limiting in particular as a pouch used for the pouch holder of this invention, Any pouch which has a conventionally well-known spout can be used. As a preferable pouch, for example, a pouch having a self-closing spout described in Patent Document 1 can be cited.

  1-3 is a figure which shows an example of the pouch which has such a self-closing pouring spout, FIG. 1 is a perspective view of the pouch before the contents filling. 2 and 3 are partially enlarged schematic views of the metering chamber and the spout, showing the state where the contents of the pouch of FIG. 1 are filled, FIG. 2 is a diagram showing the state where the spout is closed, and FIG. It is a figure which shows the state which the spout opened. 2 and 3, (A) is a schematic cross-sectional view of the metering chamber and the spout, and (B) is a diagram showing the state of the contents at the valve (center portion) and the spout, respectively.

  This pouch 1 is obtained by heat-sealing two side wall members 11 and 12 at both side portions 6 and 6 and a lower end portion 7 and heat-sealing the upper end portion of the pouch after filling the contents. The pouch 1 is provided with a metering chamber 3 adjacent to the liquid storage chamber 2 and a self-closing spout 4 communicating with the metering chamber 3. The liquid storage chamber 2 and the metering chamber 3 are partitioned by a film-like valve 5, the upper end 8 in the width direction of the valve 5 is joined to one side wall member 11 by heat sealing, and the lower end in the width direction of the valve 5. 9 is joined to the other side wall member 12 by heat sealing. Further, both end portions in the length direction of the valve 5 are heat sealed to the side wall members 11 and 12 by both side portions 6 and 6. The lower end portion 9 of the valve 5 is configured so that the liquid storage chamber 2 and the metering chamber 3 communicate with each other by providing an unsealed portion 10 at the center thereof.

  When the pouch 1 is filled with the liquid content, the content flows from the liquid storage chamber 2 through the unsealed portion 10 of the valve 5 into the metering chamber 3 as shown in FIG. When the internal pressure of the liquid storage chamber 2 at this time is Po and the internal pressure of the fixed amount chamber is P, P <Po. In addition, the packaging material constituting the pouch 2 is bent in a V shape by the pressure of the liquid contents along the heat seal portion 7 at the connection portion of the spout 4 with the metering chamber 3 and closely contacts the side walls facing the spout. Therefore, even after opening the tip of the spout 4 by adjusting the length of the spout 4, the spout 4 has a self-closing property, and the liquid content does not flow out.

In order to take out the liquid content from the pouch 1, as shown in FIG. 3, after opening the tip of the spout 4, the metering chamber 3 is pressed by hand or a jig. At this time, since P> Po and the spout 4 is not broken, the spout 4 is opened and the liquid content is poured out.
At this time, the liquid content tries to flow backward from the metering chamber 3 to the liquid storage chamber 2 (FIG. 3B), but the valve 5 is closed, so that the backflow of the content is prevented, and the metering chamber Since all the contents in 3 are poured out from the spout 4, it is possible to ensure the stability of dispensing and the excellent quantitativeness.

  4 and 5 are views showing an example of the pouch holder according to the present invention. FIG. 4A is a front view showing a state where the cover portion of the pouch holder is opened downward, and FIG. 4B is a view of the holder. It is a right view. 5A is a front view in which the pouch is housed in the pouch holder and the holder is closed, and FIG. 5B is a sectional view taken along line XX in FIG.

The pouch holder 20 has a box-shaped pouch storage portion 21 for holding a plastic pouch with a spout facing downward by standing four side plates 23 and 23 ′ around a rectangular support plate 22. One end of a cover part 31 is connected to the lower end part of the pouch storage part 21 so as to be rotatable.
Two pins P are provided on the upper portion of the support plate 22 of the pouch storage portion 21 in order to suspend and hold the pouch 1 downward. In the lower central part of the support plate 22, there is provided a pouring part pressing means 28 having an inclined surface at the top and pressing the pouring part of the pouch 1 from the back side. Further, an opening 29 for exposing the pouch spout 4 is provided in the side plate 23 ′ constituting the lower end portion of the pouch storage portion 21. [Refer to FIG. 5 (B)]
The left and right side plates 23 of the pouch storage portion 21 are provided with groove-shaped guide portions 27 penetrating the side plates 23, and cylindrical pressure rolls 25 having substantially the same length as the width of the pouch storage portion 21 in the guide portions 27. Are engaged so as to be movable along the vertical direction of the pouch storage portion 21 by disk-like handles 26, 26 provided at both ends.

  A cover portion 31 formed of a rectangular plate-like body 32 is rotatably connected to the side plate 23 ′ constituting the lower end portion of the pouch storage portion 21. The plate-like body 32 is provided with a pouch pouring joint at a position corresponding to the pouring portion pressing means 28 provided in the pouch storage portion 21 when the cover portion 31 is closed. A columnar pouring means 33 for opening the pouring port 4 of the pouch 1 and pouring the contents by pressing the outlet is fixed by a pressing plate 34 having elasticity such as a leaf spring and elastic plastic. Yes.

  The surface with which the pouring means 33 of the pouring part pressing means 28 comes into contact does not need to be a flat surface, and the amount of the content to be poured can be stabilized if the surface is an appropriate curved surface. In particular, it is appropriate to have a convex surface with an arc radius in the range of 70 to 100 mm.

Next, a procedure for using the pouch holder 20 to pour contents from a pouch having a self-closing pouring port by a certain amount will be described.
First, the two pins P and P provided on the upper part of the support plate 22 of the pouch storage part 21 are inserted into holes (not shown) provided in the peripheral seal part of the pouch 1 with the spout 4 of the pouch 1 facing downward. Then, the pouch is suspended and held between the support plate 22 and the pressing roll 25. Next, as shown in FIG. 5, the cover portion 31 is rotated to cover the pouch storage portion 21 and from the opening 29 provided in the side plate 23 ′ constituting the lower end portion of the pouch storage portion 21. 4 is exposed.

After opening the tip of the spout 4, when the pressing plate 34 provided on the cover 31 is pressed with a finger, the columnar discharging means 33 provided on the pressing plate 34 and the pouring provided on the pouch storage portion Due to the cooperative action of the part pressing means 28, the upper part of the outlet 4 of the pouch 1 is pressed from the front and back, and the outlet 4 is opened as shown in FIG. Be poured out.
And since the main body of the pouch is pressed by the pressing roll 25 provided on the cover part 31, the change in the amount of content discharged from the spout 4 accompanying the decrease in the amount of content in the pouch is prevented, and the content is reduced. Even then, a certain amount of pouring from the pouring outlet 4 becomes possible.

  Further, as the amount of contents in the pouch decreases, a head space is generated in the upper part of the pouch 1 and the pouch tends to be deformed. This head space is generated by the handles 26 provided at both ends of the pressing roll 25. , 26 can be prevented by pressing down with a finger. Alternatively, the pressing roll 25 may be made of a heavy metal or the like, and may move downward as the contents are poured out by its own weight.

FIG. 6 is a view showing another example of the pouch holder of the present invention. FIG. 6A is a front view of the pouch holder, and FIG. 6B is a right side view thereof.
In this pouch holder 30, in the pouch holder 20 of FIGS. 4 to 5, the holder 30 is configured only by the pouch storage portion 21 without providing the cover portion 31. The other structure of this pouch holder 30 is the same as that of the pouch holder 30 of FIGS.
In order to pour out the contents from the pouch using this pouch holder 30, the pouch 1 is stored in the holder in the same manner as the pouch holder 20 of FIGS. 4 to 5, and the tip end portion of the spout 4 is opened. By pressing the upper part of the pouch spout 4 (a part facing the spout pressing means 28) with a finger, the spout 4 is opened and a certain amount of content is poured out.
In this pouch holder 30, the pouch holder 30 is configured as a box-like body having an open upper surface by providing a side plate 23 ′ having an opening 29 that exposes the pouch spout 4 at the lower end of the pouch storage portion 21. The side plate 23 ′ is not provided at the lower end portion of the storage portion 21, and the pouch holder can be a box-like body whose upper surface and lower side are open.

FIG. 7 is a view showing another example of the pouch holder of the present invention. FIG. 7A is a front view showing a state in which the cover portion of the pouch holder is opened downward, and FIG. 7B is a right side view of the holder. FIG.
This pouch holder 40 is the same as the pouch holder 20 shown in FIGS. 4 to 5 in that the shape of the guide portions 27 and 27 provided on the side plates 23 and 23 of the pouch storage portion 21 is substantially parallel to the support plate 22 at the center portion. The lower end portion is configured to move away from the support plate 22. Moreover, it is comprised so that the diameter (b) of the center part 25-1 of a press roll and the diameter (a) of the both ends 25-2 may be set to a <b. And the side part pressing means 35 and 35 which consist of a pair of plate-shaped body which presses the lower side part of a pouch main body are provided in the both ends below the support plate 22 of the pouch accommodating part 21, and the cover part 31 is provided with it. Rectangular side pressing means 35 ′ and 35 ′ for pressing the lower side portion of the pouch body in cooperation with the side pressing means 35 and 35 are provided at positions facing the side pressing means 35 and 35. It has been. Other configurations of the pouch holder 40 are the same as those of the pouch holder 20 shown in FIGS.

In this pouch holder 40, the storage chamber 2 and the metering chamber 3 of the pouch 1 are constituted by a pair of side pressing means 35, 35 provided in the pouch storage part 21 and side pressing means 35 ′, 35 ′ provided in the cover part 31. It is possible to moderately press the boundary seal portion or the side seal portion in the vicinity thereof, and keep the tension of the film constituting the pouch around the fixed amount chamber 3 moderately. For this reason, the fall of the swelling of the fixed_quantity | quantitative_assay chamber 3 by the deformation | transformation of a pouch resulting from the fall of the tension | tensile_strength of the film which comprises the pouch accompanying the reduction | decrease of the content of a pouch can be prevented. Therefore, even when the contents are reduced, the contents can smoothly flow into the quantitative chamber.
Moreover, although the amount of content is stabilized by pressing the pouch main body with the pressing roll 25 and keeping the swell of the fixed amount chamber 3, when the amount of contents in the pouch becomes less than half, the fixed amount provided in the lower part of the pouch. The chamber 3 warps forward, and as a result, the pressing position when the contents are poured out changes. On the other hand, the above-described warpage is prevented by the cooperative action of the pair of side pressing means 35, 35 provided in the pouch storage part 21 and the side pressing means 35 ', 35' provided in the cover part 31. Is done.
In this example, the side pressing means is provided in both the pouch storage part and the cover part, but the side pressing means may be provided only in one of the pouch storage part or the cover part. Further, the position is provided so as to correspond to the boundary portion between the storage chamber 2 and the metering chamber 3 of the pouch 1 or the side seal portion in the vicinity thereof, but it may be in the vicinity of the side seal portion, and the shape thereof is a plate shape. The rectangular shape is arbitrary, and the size can also be selected as appropriate.

In the pouch holder shown in FIGS. 4 to 5 and 7, the cover portion 31 is connected to the lower end portion of the pouch storage portion 21 so as to be pivotable in the vertical direction, but the cover portion 31 is connected to the upper end portion of the pouch storage portion 21 in the vertical direction. The cover part 31 can also be connected to the left or right side end of the pouch storage part 21 so as to be rotatable in the lateral direction. Moreover, the pouch storage part 21 and the cover part 31 may be configured separately and fitted detachably.
In order to connect the cover portion 31 to the pouch housing portion 21 so as to be rotatable, a normal shaft support means such as a shaft support using a pin, a hinge, or a hinge made of a thin plastic member or the like can be used.

There are no particular restrictions on the material constituting the pouch storage part, cover part, or pressure roll of the pouch holder of the present invention, and the strength, rigidity, and durability required for the pouch holder, such as plastic, metal, or a composite material thereof. Any material can be used as long as the material has such as. Preferable materials include thermoplastic resins usually used in containers such as polyolefin resins such as polyethylene and polypropylene, acrylic resins, polyamide resins, polyester resins such as polyethylene terephthalate, and polycarbonate resins. . When at least the cover part of the pouch holder of the present invention is made of a transparent plastic material such as acrylic resin, polyolefin resin, polycarbonate resin, etc., the state of the contents of the plastic pouch stored in the pouch holder, This is preferable because it can be easily confirmed.
When the pouch storage part or the cover part or the like is made of a plastic material, it becomes possible to easily produce a desired molded product by a normal molding method such as injection molding, extrusion molding, vacuum pressure molding or the like.

The size and shape of the pouch holder of the present invention can be appropriately selected according to the size and shape of the plastic pouch stored in the holder. The size of the plastic pouch accommodated in the pouch holder is arbitrary, but usually the one having an internal volume of 100 to 1000 mL, preferably about 200 to 500 mL is used.
In addition, the material, shape, size, and the like of other members such as the pouring portion pressing means 28 provided in the pouch storage portion 21 and the pouring means 33 provided in the cover portion can be appropriately selected.

It is a figure which shows an example of the pouch which has a self-closing spout. FIG. 2 is a partially enlarged schematic view showing a state where the pouch of FIG. 1 is filled with contents and a spout is closed. FIG. 3 is a partially enlarged schematic view showing a state in which the pouch of FIG. 1 is filled with contents and a spout is opened. It is a figure which shows an example of the pouch holder of this invention, and is a figure which shows the state which opened the cover part below. It is a figure which shows the state which accommodated the pouch in the pouch holder of FIG. 4, and closed the holder. It is a figure which shows the other example of the pouch holder of this invention. It is a figure which shows the other example of the pouch holder of this invention, and shows the state which opened the cover part below.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pouch 2 Liquid storage chamber 3 Fixed_quantity | quantitative_assay chamber 4 Outlet 5 Valve 6, 7 Heat seal part 10 Unsealed part 11,12 Side wall member 20,30,40 Pouch holder 21 Pouch storage part 22 Support plate 23,23 'Side plate 25 Press roll
26 Handle 27 Guide portion 28 Extracting portion pressing means 29 Opening 31 Cover portion 32 Plate-like body 33 Extracting means
34 Pressing plate 35, 35 'Side pressing means P pin

Claims (8)

  A pouch storage portion that holds the pouch with the pouch outlet facing downward, and a pressure roll that presses a pouch body that is disposed so as to be movable along the longitudinal direction of the pouch storage portion across the width direction of the pouch storage portion. A pouch holder comprising:   2. The pouch holder according to claim 1, wherein a diameter (a) of both end portions and a diameter (b) of a central portion of the pressing roll are configured to satisfy a <b.   The pouch holder according to claim 1 or 2, wherein guide portions for restricting movement of the pressing roll are provided on both side portions of the pouch storage portion.   The pouch holder according to any one of claims 1 to 3, wherein a cover part is rotatably connected to the pouch storage part.   The pouch holder according to any one of claims 1 to 4, wherein a pour-out portion pressing means for pressing a pouch pour-out portion is provided in the pouch storage portion.   The pouch holder according to any one of claims 1 to 5, wherein side pressing means for pressing both lower side portions of the pouch body is provided in the pouch storage portion and / or the cover portion.   The pouch holder according to any one of claims 1 to 6, wherein a pour-out means for pressing a pouch pour-out portion is provided in the cover portion. 8. The pouch holder according to claim 7, wherein the pouring means is provided at a position corresponding to the pouring part pressing means of the pouch storage part.

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