JP2005298038A - Containers and packaging containers - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent clogging of a pouring route when sucking and dispensing contents, and to efficiently suck and dispense contents.
SOLUTION: At least one of a flexible container main body 11 made of a film, a spout 12 for pouring contents from the container main body 11, and an opening 12c of the spout 12 when viewed from above. A container provided with a flow path securing member 13 having a strip shape, a tube shape, or a linear shape whose both ends are fixed to the container main body 11 so as to overlap the portion is used. The flow path securing member 13 is preferably a mesh. Even when the container 1 is bent or folded due to the suction force or the weight of the container at the time of sucking and dispensing, the flow path securing member 13 is interposed between the film constituting the container body 11 and the spout 12. Therefore, the extraction route is not blocked. Moreover, even when unthawed contents or solids are present, blockage of the dispensing path can be prevented.
[Selection] Figure 1

Description

  The present invention relates to a container for storing a frozen liquid or the like and a packaging container using the same.

In recent years, liquid containers represented by drums, containers, bag-in-boxes, etc. have a form in which a plastic inner bag filled with liquid is stored in an outer container from the viewpoint of hygiene, liquid tightness, washability, etc. Is widely used (see, for example, Patent Document 1).
When transporting fruit juice, etc., which is a raw material for beverages, from overseas, the contents may be frozen together with the inner bag in order to prevent alteration during transportation and storage. In order to take out the frozen contents from the inner bag, a suction / pumping tube is connected to the spout of the inner bag, and the liquefied portion is sucked and poured out after thawing or while thawing. . At this time, the tip (opening) of the tube may be disposed at the spout and may be inserted from the spout into the inner bag.

In Patent Document 2, in a plastic bag (body fluid bag), a tube penetrating from the upper end of the bag to the inside of the bag is extended to the bottom of the bag, and the distal end of the tube is closed to form a flat shape. A configuration is described in which a portion is sandwiched between the resin sheets of the seal portion at the bottom of the bag and fused or adhered simultaneously with the formation of the seal portion (see FIG. 6 of Patent Document 2).
In Patent Document 3, in a spout attached to a pouch containing a highly viscous liquid such as printing ink, in order to prevent clogging due to the close contact of the pouch when it is poured out by suction, the spout communicates with its cylinder part. In addition, there is described a spout union assembly provided with a cylindrical body (blocking prevention rib) having a hole on the side surface.
Japanese translation of PCT publication No. 8-504706 Japanese Patent No. 3221701 JP 2002-2736 A

However, for example, when the contents (liquid) filled in a plastic container are frozen and transported, it takes a considerable time to thaw the contents. In this case, in the case of one drum can (about 200 liters), depending on the season (temperature), it takes about one week if it is naturally thawed. If the temperature is high, the thawing time is relatively short, but it still takes a long time, so even if the contents partially thaw, the resulting liquid cannot be immediately aspirated and dispensed. There is also a possibility that the liquid temperature rises until it is put out and the contents are partly altered.
In addition, when sucking and dispensing while promoting thawing, the inner bag may be bent or folded due to the suction force or the weight of the container when sucking and pouring, and it will stick to the spout and the tip of the tube from the inside. As a result, the opening of the tube (the mouth of the extraction path) and the outlet are closed and continuous suction cannot be performed.

The body fluid bag described in Patent Document 2 is for centrifuging components by putting body fluid therein, and the tube fixed to the bottom is a heavy component layered on the bottom of the bag by centrifugation It will be effective for the purpose of discharging. However, since the opening of the tube has reached the bottom of the bag, for example, when the contents are taken out from the middle layer or the surface layer other than the bottom, such as when the contents are sucked while being thawed, the suction injection is efficiently performed. I can't put it out.
When the spout assembly described in Patent Document 3 is used, the contents are poured out from the hole of the cylindrical body through the inside of the cylindrical body, so that the above problem is solved. However, the contents that have not been thawed when thawing the contents in parallel with suction, or when the contents contain a solid matter, such as for dispensing high-viscosity liquids little by little, etc. There is a risk that the hole of the cylindrical body may be blocked by the solid matter and the suction and dispensing of the contents may be hindered.

  The present invention has been made in view of the above circumstances, and a container capable of efficiently sucking and dispensing contents while preventing the blocking of the dispensing path when the contents are sucked and poured. It is an object of the present invention to provide a packaging container using the above.

In order to solve the above-mentioned problems, the present invention provides a flexible container main body made of a film, a spout for pouring contents from the container main body, and an opening of the spout when viewed in plan. And a flow path securing member having both a strip shape, a tube shape, and a linear shape, both ends of which are fixed to the container body so as to overlap at least a part of the container.
In this container, the flow path securing member is preferably a net-like body.
It is preferable that the flow path securing member communicates between the vicinity of the spout and the end opposite to the spout across the interior of the container body.
In the present invention, the welding extension pieces are fixed to both ends of the flow path securing member, and the film and / or the spout constituting the container main body is joined to the flow path securing member. The structure fixed with respect to the said container main body can also be employ | adopted by being pinched | interposed into the welding part to be welded together.
It is preferable that the flow path securing member has a tube shape.
Moreover, this invention provides the packaging container characterized by comprising the said container and the exterior container which accommodates this container.

According to the present invention, even when the container is bent or folded due to the suction force or the dead weight of the container at the time of suction and extraction, a belt-like, tube-like or linear shape is formed between the container film and the spout. Since the flexible flow path securing member is interposed, the dispensing path is not blocked. Therefore, it is possible to always aspirate the contents and continuously suck the contents. Further, since both ends of the flow path securing member are fixed to the container body so that at least a part of the opening of the spout and the flow path securing member overlap when viewed in plan, there is a space through which the contents can pass. Even if there are unthawed contents and solids that can be secured around the spout, there is no risk that the contents will be clogged.
Since the flow path securing member has flexibility, the flow path securing member can be deformed following the deflection and contraction of the container body. Therefore, no matter how the container body is deformed at the time of sucking and pouring, a pouring route can be secured.
In the case where the flow path securing member is a mesh body, the contents can be sucked and poured out through the mesh of the mesh body, and the contents dispensing path can be secured more widely.

When the flow path securing member is connected across the inside of the container main body from the vicinity of the container outlet to the end opposite to the outlet, the tip of the extraction tube is positioned near the outlet. Even when it is arranged or inserted into the container from the spout, the content can be continuously sucked by always securing a spout route.
When the flow path securing member is fixed to the container body via the welding extension pieces fixed to both ends of the flow path securing member, the flow path securing member has higher rigidity than the container film Even if direct welding does not provide sufficient strength due to the difference in the type of resin, the flow path securing member can be arranged and fixed securely at a desired position.
When the flow path securing member is in the shape of a tube, not only in the case of a cylindrical tube, but also when the tube cross section is square or crushed into a plate shape, There is no risk of damaging the container body, and there is no risk of damaging the container body, and even when the tube is crushed into a plate shape, the gap is secured by the flow path securing member. And the efficiency of suction and extraction can be improved.

The present invention will be described below with reference to the drawings based on the best mode.
FIG. 1 is a longitudinal sectional view showing an embodiment of the container of the present invention. FIG. 2 is a plan view of the container of FIG. FIG. 3 is an exploded perspective view of a packaging container in which the container is stored in an outer container. FIG. 4 is a perspective view showing a state in which the container of FIG. 1 is housed in an exterior container. FIG. 5 is a longitudinal sectional view for explaining a state in which the contents stored in the container are sucked out.

As shown in FIGS. 3 and 4, the container 1 is an inner bag stored in the outer container 2. By storing the container 1 in the outer container 2, a packaging container 3 suitable for transportation and storage can be configured.
The exterior container 2 is a drum can here, and the internal space of the drum can 2 can be opened by removing the canopy 21 from the can body 20 having the can body 23 and the main plate 22. As shown in FIG. 3, the container 1 is stored in the drum can 2 by removing the canopy 21 and storing it in the can body 20 and then attaching the canopy 21 to the can body 20 again.

As shown in FIGS. 1 and 2, the container 1 includes a flexible cylindrical container body 11 made of a film, a spout 12 for pouring contents from the container body 11, and both ends. 13 a and 13 b are provided with a flow path securing member 13 fixed to the container body 11. Here, a net-like body is used as the channel securing member 13, and the channel securing member 13 may be referred to as the mesh-like body 13 in the following description.
Although the capacity | capacitance of the container 1 is not specifically limited, For example, in the container for drums, it can be set as the nominal capacity of 200 liters.

The container body 11 includes a side film 11c formed in a cylindrical shape (tube shape), a circular top surface film 11a that closes the top surface side of the side film 11c, and a circular bottom surface that closes the bottom surface side of the side film 11c. It is a bag body made of a film 11b and made by welding the top surface film 11a and the bottom film 11b to the side film 11c over the entire outer edge (thermal welding, ultrasonic welding, etc.).
The material of the film constituting the container body 11 is a single-layer plastic film; a laminated film in which multilayer plastics are laminated by coextrusion; a laminated film in which metal foil such as aluminum foil or paper is laminated with plastic; aluminum or the like A sheet in which a metal thin film is formed on a plastic by vapor deposition, plating, sputtering, or the like. The film preferably has a sealant layer made of a weldable plastic such as polyethylene on at least one surface. Polyethylene is preferable in terms of chemical resistance and safety (not toxic). A film having a metal foil or a metal thin film is preferable in terms of excellent gas barrier properties.

  The welded portion 16a between the top surface film 11a and the side film 11c is provided on the inner side (lower side) of the upper edge of the side film 11c so as to leave an ear portion 11d extending in the shape of a peripheral wall at the top of the container body 11. It has been. The ear portion 11d can be folded and hung on the upper edge of the can body 23 of the drum can 2, and the ear portion 11d is wrapped around the can body 23 with a band (not shown) or the like, whereby the container 1 is turned into the drum can 2. It can be stored stably. In addition, the ear | edge part 11d may be what was extended from the top | upper surface film 11a instead of from the side | surface film 11c, and welded a film different from the top | upper surface film 11a or the side | surface film 11c, Also good.

  The spout 12 is formed of plastic such as polyethylene, for example, so as to include a cylindrical portion 12a having an opening 12c and a flange portion 12b provided around one end edge of the cylindrical portion 12a. The spout 12 is fixed to the container body 11 by overlapping the flange portion 12b on the peripheral portion of the hole 18 formed in the top surface film 11a and welding the top surface film 11a (welding portion 17). . Here, although the spout 12 is located in the substantially center part of the top | upper surface film 11a, this is not specifically limited, The position (periphery edge vicinity etc.) shifted | deviated from the center part of the top | upper surface film 11a. It does not matter if it is provided. A cap 15 that is detachable with a screw or the like can be attached to the cylindrical portion 12 a of the spout 12. In order to join the spout 12 to the film by welding, it is sufficient that at least the spout 12 has a plastic layer that can be welded to the surface where the film is welded. The base material may be included.

The flow path securing member 13 has a strip shape, a tube shape, or a linear shape, has flexibility, and extends from the vicinity of the spout 12 to the end opposite to the spout 12 (here, the bottom film 11b). The space is communicated across the interior of the container body 11. In the present embodiment, a net-like body is adopted as the flow path securing member 13 from the liquid-permeable surface, but if a gap through which the contents can pass when adsorbed to the tip of the spout 12 or the tube for pouring is formed. The flow path securing member 13 may not have liquid permeability.
As the net-like body, a thread-like body made of plastic (monofilament or the like) is crossed and formed into a net shape by welding or adhesion, or a strip-like or tube-like plastic sheet provided with a number of through holes is used. be able to. Furthermore, the flow path securing member 13 may be linear. For example, a plurality of filaments may be bundled at appropriate intervals or may be used without being bundled, or may be a chain having a plurality of rings connected. As a result, the contents can pass through the gaps, meshes, or through holes of the flow path securing member 13, so there is no possibility that the flow path securing member 13 blocks the content extraction path.
As the flow path securing member 13 exemplified in the present embodiment, a flexible member that can follow the deformation of the container body 11 is used. However, when the contents are sucked and poured, the channel securing member 13 is sucked by the dispensing tube. It is preferable to have some rigidity so as not to be drawn.
In the present embodiment, a tube-like net-like body (net tube) having openings at both ends 13a and 13b is used as the flow path securing member 13. As a material for the net tube, for example, a plastic such as polyethylene can be employed. The channel securing member 13 is preferably in the form of a tube without damaging the inner surface of the container, but the volume when empty may be increased. From this point, the tube is preferably crushed into a plate shape.

At both ends 13a and 13b of the net-like body 13, strip-like welding extension pieces 14a and 14b made of a film are fixed by welding or adhesion. These welding extension pieces 14a and 14b are fixed to the container main body 11 by being sandwiched and welded together by the film constituting the container main body 11 and / or the welding portion to which the spout 12 is joined. Yes. Specifically, one welding extension piece 14a is sandwiched between the top surface film 11a and the flange portion 12b and welded together at a welding portion 17 between the top surface film 11a and the flange portion 12b of the spout 12. Yes. The other welding extension piece 14a is sandwiched between the bottom film 11b and the side film 11c and welded together at the welded portion 16b between the bottom film 11b and the side film 11c. That is, the flow path securing member 13 does not need to be fitted and fixed to the opening 12c of the spout 12 at both ends, and when the film is seen from above (when viewed in plan), The mesh body 13 is fixed to the container body 11 so that at least a part of the opening 12c and the mesh body 13 overlap each other.
The material of the film constituting the welding extension pieces 14a and 14b includes a single-layer plastic film; a laminated film in which a multilayer plastic is laminated by coextrusion; a laminate in which metal foil such as aluminum foil or paper is laminated with plastic Examples thereof include a film; a sheet in which a metal thin film is formed by evaporating, plating or sputtering a metal such as aluminum on plastic. The film preferably has a sealant layer made of a weldable plastic such as polyethylene on at least one surface. Polyethylene is preferable in terms of chemical resistance and safety (not toxic). When joining the mesh body 13 and the container main body 11 to the welding extension piece 14a by welding, since the joining can be performed without using an adhesive or the like, points such as chemical resistance and safety (not exhibiting toxicity) Is preferable.
As shown in FIG. 2, the mesh body 13 is arranged so that both ends thereof are opposite to each other with respect to the central axis of the spout 12 (direction perpendicular to the paper surface of FIG. 2). As a result, the mesh body 13 is disposed at a position where it intersects the central axis of the spout 12, and the effect of preventing the film of the container body 11 from being sucked when sucking and pouring from the spout 12 is high.

Next, an example of a method for sucking and dispensing the contents of the container 1 of this embodiment will be described.
As shown in FIG. 5, the cap 15 is removed, and the dispensing tube 4 is attached to the spout 12 of the container 1. When the content is a mere liquid, the dispensing tube 4 may simply be inserted into the container body 11 through the opening 12c of the spout 12. When the content is a solid obtained by freezing a liquid, it is preferable to close the gap between the extraction tube 4 and the outlet 12 in order to prevent leakage of the content during thawing. For this reason, in FIG. 5, the attachment member 5 (for example, one having a hole in the top surface of the cap 15 can be used) fitted to the spout 12 of the container 1 is fixed to the outer peripheral surface of the dispensing tube 4, By attaching the attachment member 5 to the spout 12, the opening 4 a at the tip of the spout tube 4 can be arranged in the container 1 after closing the gap of the spout 12 with the attachment member 5.
In the case of thawing the contents, the thawing method is not particularly limited, but it is preferable to promote the thawing by giving energy to the contents by irradiation of energy rays or heating. As a result, the time required for sucking and dispensing can be shortened, the cost can be reduced, and the contents are not likely to be altered.

  According to the container of this embodiment, even when the container is bent due to the suction force or the load of the contents at the time of suction and dispensing, the flow path securing member 13 made of a net-like body is provided between the film of the container 1 and the spout 12. Therefore, the contents can be sucked and poured out through the mesh of the mesh body, and the spout 12 is not blocked. Moreover, since the net-like body 13 extends between the top surface and the bottom surface of the container 1, even if the container 1 contracts due to the suction of the contents and the film is folded or wrinkled, the container body 11 can prevent blockage due to close contact between the inner surfaces of the films. Furthermore, since both ends of the mesh body 13 are fixed to the container body 11 so that at least a part of the opening 12c of the spout 12 overlaps the mesh body 13 in plan view, the thawed contents pass through. A possible space can be secured around the spout 12. Therefore, it is possible to always aspirate the contents and continuously suck the contents.

  Since the net-like body 13 has flexibility, it can be deformed following the deflection and contraction of the container body 11. Therefore, no matter how the container main body 11 is deformed during the suction and pouring, a pouring route can be secured along the entire length of the mesh body 13. In addition, the container body 11 can be shrunk to the final stage of the suction and the remaining liquid can be reduced. Moreover, even if the mesh body 13 hits the flexible container body 11, there is no possibility that the container body 11 will be broken from the inside.

  Since the net-like body 13 is connected across the interior of the container body 11 from the welded portion 17 near the spout 12 of the container 1 to the welded portion 16b on the bottom film 11b side, Even when the opening 4a is arranged in the vicinity of the spout 12 (shown by a solid line in FIG. 5) or when the opening 4a is inserted into the container 1 from the spout 12 (shown by a two-dot chain line in FIG. 5) The route can be secured at all times and the contents can be sucked continuously. Since both ends of the net-like body 13 are fixed to the container body 11 so that at least a part of the opening 12c of the spout 12 overlaps with the net-like body 13 in plan view, the contents are the openings of the tube 4 for pouring. There is no possibility that the net-like body 13 narrows the pouring path toward the portion 4a, and a space through which the thawed contents can pass can be secured around the spout 12. For this reason, for example, there is no possibility that the content extraction route is blocked by the unthawed content attached to the mesh body 13.

Since the mesh body 13 is fixed to the container main body 11 via the welding extension pieces 14a and 14b fixed to both ends 13a and 13b, the mesh body 13 can be easily and reliably fixed at a desired position. it can.
Since the net-like body 13 has a tube shape opened at both ends 13a and 13b, there is no risk of damaging the container main body 11 from the inside without generating a line cut at the side edge. Further, when this is crushed into a plate shape, it has a thickness that is equivalent to two nets stacked, so that the gap secured by the mesh body 13 is increased, and the efficiency of suction and dispensing can be improved.
If the packaging container 3 is configured by housing the container 1 in the exterior container 2, mechanical strength and impact resistance during transportation and storage can be ensured even when the container 1 is a flexible bag.

Although the present invention has been described based on the preferred embodiments, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. .
The arrangement of the mesh body 13 is not limited to that shown in the above-described embodiment. For example, as shown in FIG. 6, the welding extension pieces 14 a and 14 b provided at both ends 13 a and 13 b of the mesh body 13. Both of them may be sandwiched between the top film 11a and the side film 11c and welded together to the welded portion 16a. In the case of the container 1 shown in FIG. 6, the mesh body 13 is suspended on both sides of the spout 12 along the top film 11 a, and the center of the mesh body 13 is disposed below the spout 12. Is done. In this case, the opening at the tip of the extraction tube (not shown) can be arranged in the vicinity of the outlet 12 to ensure a continuous extraction path and continuously suck the contents.

The shape, structure and arrangement of the spout are not limited at all.
The shape of the container body is not limited to a cylindrical shape, and an appropriate shape can be adopted according to the use or capacity of the packaging container. Examples of the shape of the container body include a cylindrical shape, a rectangular parallelepiped shape, and a rectangular tube shape.

  The container of the present invention is suitable as an inner bag of a liquid container represented by a drum can, a container, a bag-in-box and the like. In particular, it is particularly effective when the frozen contents are sucked and poured while thawing, when liquid and solid are mixed, or when the contents are liquid, when sucking at high speed.

It is a longitudinal cross-sectional view which shows the example of 1 form of the container of this invention. It is a top view of the container of FIG. It is a disassembled perspective view of the packaging container which accommodated the container of FIG. 1 in the exterior container. It is a perspective view which shows the state which accommodated the container of FIG. 1 in the exterior container. It is a longitudinal cross-sectional view explaining a mode that the content accommodated in the container is sucked out. It is a longitudinal cross-sectional view which shows the other example of the container of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Container, 2 ... Exterior container (drum can), 3 ... Packaging container, 11 ... Container main body, 12 ... Spout, 12c ... Opening part of spout, 13 ... Channel securing member (net-like body), 13a, 13b ... Both ends of the flow path securing member (net-like body), 14a, 14b ... welding extension pieces.

Claims (6)

  A flexible container body made of a film, a spout for pouring out the contents from the container body, and both ends of the container overlap at least part of the opening of the spout when viewed in plan A container comprising: a belt-like, tube-like, or linear flexible channel securing member fixed to a container body.   The container according to claim 1, wherein the flow path securing member is a mesh body.   The said flow path securing member is communicated across the inside of the said container main body from the said spout vicinity to the edge part on the opposite side to this spout. container.   Welding extension pieces are fixed to both ends of the flow path securing member, and the flow path securing member is attached to the welded portion to which the film and / or the spout constituting the container body are joined. The container according to any one of claims 1 to 3, wherein the container is fixed to the container body by being sandwiched and welded together.   The container according to any one of claims 1 to 4, wherein the flow path securing member has a tube shape.   A packaging container comprising the container according to claim 1 and an outer container for housing the container.

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