WO2019078304A1

WO2019078304A1 - Composite pack to be filled with liquid matter

Info

Publication number: WO2019078304A1
Application number: PCT/JP2018/038869
Authority: WO
Inventors: 二瀬　克規
Original assignee: 株式会社悠心
Priority date: 2017-10-20
Filing date: 2018-10-18
Publication date: 2019-04-25

Abstract

This composite pack to be filled with a liquid matter is provided with: an interior member that is a non-self-supportable liquid matter filling package to be filled with a liquid matter; and an exterior member that is capable of stably holding the interior member. The composite pack is capable of efficiently holding the volume of the liquid matter and of saving display space, etc. The composite pack is provided with: a bag-like interior member obtained by filling a soft packaging bag with the liquid matter; and an exterior member that has a cylindrical body, that is provided with a bottom wall at the lower end of the cylindrical body and with an opening at the upper end of the cylindrical body, and that is for housing the interior member. The interior member has a liquid-matter-pouring sheet-like nozzle that projects from the upper end or from the upper part of a lateral end of the packaging bag. The exterior member has, at the opening, a sealing structure that includes the top surface wall which covers the opening and a plurality of vertical ribs which are erected from the top surface wall.

Description

Composite pack for liquid filling

The present invention relates to an inner body obtained by filling and packaging a liquid or viscous liquid in a packaging bag made of a plastic film or the like, and a liquid obtained by storing and holding the inner body in an outer body made of paper or the like. With respect to the composite pack for filling, in particular, it is possible to stably hold the non-self-supporting inner body filled with a liquid such as a beverage, medicine, chemical or the like (to help the inner body stand by itself) We propose a composite pack for liquid filling that can improve the capacity efficiency of the equipment and effectively use the display space at the time of display etc.

With regard to the inner body obtained by filling a liquid in a plastic packaging bag, that is, a liquid-filled package, there are those disclosed in Patent Documents 1 and 2 according to the proposal of the inventors. The packaging bag used for the liquid substance-filled package is made of a soft laminated plastic film, and the liquid substance-filled package itself has neither self-supporting nor regularity. It is supposed that it is stored in an outer package made of a self-supporting packaging bag or container, that is, in an outer container.

In addition, although different from the above-described composite pack, containers such as Patent Document 3 and Patent Document 4 are known for a liquid-filled paper container using a gable top paper pack (milk carton etc.) for containing milk etc. There is.

JP, 2010-260614, A International Publication 2013/054411 JP, 2017-186021, A JP, 2017-19558, A

The lower part of the self-supporting outer container (packaging bag or container) used in the above-mentioned prior art has a polygonal shape in a plan view, etc., in accordance with the three-dimensional shape of the liquid filled package to be stored. It has a cylindrical shape, and has a body in an elliptical shape in plan view and a plate-like shape in the upper portion. Therefore, in the conventional outer container, the storage volume of the liquid in the upper part is small, and the volume efficiency (volume of liquid / height of outer container) of the liquid is lower than that of paper cartons and plastic bottles. was there.

Furthermore, Gable top paper packs as described in Patent Documents 3 and 4 have recently been used to prevent the liquid leakage in the distribution stage and to prevent the mixture of foreign matter etc. It is required to increase and seal completely. Therefore, particularly weak children and the elderly can not be opened by the force of the fingers, and when the package is forced to open, there are problems such as breakage of an unintended part and deformation of the spout.

In addition, since the upper part of the gable top paper pack is gable-like, a plurality of gable top paper packs can not be stacked and stacked, for example, useless space is generated in box packing at the time of conveyance, and conveyance efficiency is reduced. Also, when displaying at supermarkets, shops, etc., there is a problem that the number of displays decreases, and it is necessary to replenish products at any time.

Therefore, the object of the present invention is to provide a liquid comprising an inner body which is a non-self-supporting liquid filled package filled with a liquid and an outer body which can stably hold the inner body. It is an object of the present invention to provide a liquid material filling composite pack which can improve the capacity efficiency and save the space at the time of display and the like.

The present inventor has developed a composite pack for filling a liquid according to the following gist configuration as a container capable of overcoming the above-mentioned problems of the prior art.

That is, the present invention has a bag-like inner body formed by filling a liquid in a soft packaging bag, and a cylindrical body, and a bottom wall is provided at the lower end of the cylindrical body, and the cylindrical body is provided. A composite pack for filling a liquid, comprising: an outer package for containing the inner package having an opening at the upper end of the body, wherein the inner package is the upper end or the upper side end of the packaging bag A sheet-like nozzle for liquid material ejection provided in a protruding manner, and the exterior body comprises, in the opening, a top wall closing the opening and a plurality of vertical ribs standing up from the top wall A composite pack for filling a liquid, characterized by having a sealing structure.

In addition, the composite pack for filling a liquid according to the present invention is
(1) The sealing structure portion has at least three longitudinal ribs standing up from a flat or mountain-shaped top wall, and these longitudinal ribs are the tubular body in a plan view of the tubular body. Be arranged radially from the approximate center of the
(2) One of the longitudinal ribs is a cover longitudinal rib which sandwiches and covers the sheet-like nozzle for liquid material dispensing, and the cover longitudinal rib is a sheet-like nozzle for liquid material dispensing. Having a release line that can be exposed,
(3) The longitudinal rib is formed by overlapping a pair of upright walls formed by folding up a part of the top wall,
(4) The longitudinal rib is connected to one standing wall and the other standing wall by a connecting piece.
(5) The connection piece has a notch portion which breaks the connection piece starting from the portion by the addition of an external force which mutually separates the rising walls constituting the longitudinal rib,
(6) In the top wall, the surfaces located on both sides of the cover longitudinal rib are larger than the slopes of the other top wall surfaces,
(7) The lower end of the base end side of the cover vertical rib standing from the top wall is located lower than the lower end of the other base side of the vertical rib,
(8) The inner body has a shape in which the projecting end of the sheet-like nozzle for liquid material dispensing is positioned inside the side wall of the cylindrical body of the outer body,
(9) The packaging bag is made of one plastic film, or one or more plastic films or a laminate film obtained by laminating a plurality of plastic films including metal foil, and the exterior body is made of paper, plastic Consisting of a composite of film or plastic film and paper,
(10) The interior body is joined and fixed to the exterior body at least at the top rear end of the top portion,
(11) The cylindrical body of the exterior body has substantially the same opening area over the entire length from the bottom wall to the opening at the upper end,
(12) The sealing structure portion of the exterior body has a removable cap for covering the sheet-like nozzle for liquid material dispensing when exposed,
(13) The sheet-like nozzle for liquid material dispensing dispenses the liquid material in the packaging bag without inhaling the outside air by the tilting of the packaging bag or the pressing on the packaging bag, and the erecting of the packaging bag When stopping the pouring based on the return or the release of the pressure on the packaging bag, the inner surface of the pouring passage of the sheet-like nozzle for liquid dispensing is immediately sealed by the thin film of the liquid flowing from inside the packaging bag. By having a self-sealing function to prevent external air from entering the packaging bag,
Is a more preferred embodiment.

According to the composite pack for filling liquid according to the present invention, the opening at the upper end of the cylindrical body of the outer package is sealed by the sealing structure including the plurality of vertical ribs and the top wall (top plate). As a result, it is possible to make the cylindrical body of the exterior body that accommodates the interior body into a box-like columnar body or a cylindrical body having substantially the same opening cross section, which contributes to the accommodation of the liquid from the bottom to the top of the cylindrical body. It can be done. Therefore, according to the present invention, the volumetric efficiency of the liquid material is improved to the same extent as that of the plastic bottle, and further, it can be stored well when displaying a plurality of pieces side by side, and space saving can be achieved.

Moreover, according to the composite pack for filling a liquid according to the present invention, one of the plurality of vertical ribs constituting the sealing structure provided at the opening of the upper end of the cylindrical body of the outer package is the upper end of the inner body. It becomes a cover longitudinal rib which sandwiches and stores a sheet-like nozzle for liquid material ejection (hereinafter, also referred to as a "sheet-like nozzle") protruding from the upper part of the side or the side end. Therefore, even when the sheet-like nozzle is made of a thin soft plastic film, the sheet-like nozzle is protected by the cover longitudinal rib, and therefore, the sheet-like nozzle may be deformed or accidentally opened during handling such as transportation. There is no fear, and the sheet-like nozzle can be exposed to the outside for use by cutting only the cover longitudinal rib along the separation line.

Further, in the present invention, a plurality of the vertical ribs constituting the sealing structure portion are respectively overlapped with a pair of standing walls (connected to the top surface wall) formed by bending a part of the top surface wall. By forming, the opening part of the upper end of the cylindrical body of an exterior body can be sealed, suppressing the height of an exterior body.

Further, according to the present invention, the upper end opening of the cylindrical body can be easily opened by pulling the plurality of longitudinal ribs constituting the sealing structure in a direction away from each other with fingers. Therefore, the inner body can be taken out of the outer package and separated for each material and discarded. Furthermore, according to the present invention, by providing a plurality of (preferably three or more) longitudinal ribs in the sealing structure portion, it is possible to stack a plurality of liquid material filling composite packs through the longitudinal ribs. And save space at the time of transportation, display, etc.

Further, according to the present invention, the longitudinal rib in the sealing structure portion is provided so as to extend radially, preferably in a cross shape, from a substantially central position of the exterior body in a plan view of the exterior body. Therefore, each longitudinal rib can be flexibly flexed independently, etc. For example, even if the composite pack for filling a liquid according to the present invention unexpectedly falls, the impact can be obtained by each longitudinal It will be absorbed by the ribs, and the joints of the longitudinal ribs will not be easily peeled off, and the composite pack for liquid filling (outer package) can be kept in its original shape.

In the present invention, when the interior body is joined and fixed to the exterior body at least at the top rear end (opposite to the protruding position of the nozzle) of the interior body, the liquid pack composite pack is When the sheet-like nozzle is tilted so as to face the liquid in order to pour out the liquid, deformation of the sheet-like nozzle is suppressed and smooth pouring is possible, and the sheet-like nozzle has a self-sealing function. Also in the case of having it, the adhesion between the inner surfaces of the pouring passage is not inhibited, and the intrusion of the outside air can be sufficiently prevented.

The packaging bag used to form the inner body is formed of a single plastic film, or a laminated film obtained by laminating a plurality of plastic films including one or more plastic films or metal foils. In particular, in the case of using a film having stiffness, it is desirable to suppress the generation of wrinkles on the inner body when tilting the composite pack for filling with liquid to pour out the liquid. It is possible to suppress the falling off of the interior body.

Further, in the present invention, the space for forming the cover longitudinal rib is set by making the slopes of the surface located on both sides of the cover longitudinal rib of the top face wall larger than the slopes of the other top face walls. The side edge of the cover longitudinal rib and the projecting end of the sheet-like nozzle stored in the inside can be positioned inside the cylindrical body side wall of the outer package. Therefore, when a plurality of liquid material filling composite packs are arranged and displayed, stored, etc., the liquid material filling composite packages do not collide with each other, space saving can be achieved, and the risk of breakage or the like is reduced. be able to.

Furthermore, according to the present invention, when the cover longitudinal rib is cut out, the sheet-like nozzle can be protruded from the adjacent top wall, for example, from the base end to the entire nozzle length. Therefore, the sheet-like nozzle can be discharged from the tip of the sheet-like nozzle in the intended direction while controlling the discharge amount without being affected by the tightening by the remaining cover vertical rib and the like. As a result, it is possible to improve the drainage property.
In addition, the above effect is more effectively exhibited by extending the rising base end side of the cover longitudinal rib downward and positioning the length of the other vertical rib lower than the standing base end of the other longitudinal rib and making the length longer. .

Furthermore, in the present invention, by providing a removable cap capable of covering the sheet-like nozzle exposed to the outside from the sealing structure to the exterior body, storage etc. after opening the sheet-like nozzle. It is also hygienic because it can prevent its spout from getting dirty. Further, in the case where the cap has a sandwiching structure of the sheet-like nozzle, the liquid leaks even if the composite pack for liquid-filling unexpectedly falls after the sheet-like nozzle is opened. Can be prevented.

It is a perspective view which shows one Embodiment of the composite pack for liquid filling of this invention. It is a perspective view which shows the upper part of the back side of the composite pack for liquid filling of FIG. It is a top view of the composite pack for liquid filling of FIG. It is a bottom view of the composite pack for liquid filling of FIG. It is a perspective view which shows other embodiment of the sealing structure part of the composite pack for liquid filling of this invention. It is a perspective view which shows the state before accommodation of the interior body of the exterior body which comprises the composite pack for liquid filling of FIG. It is a perspective view which shows a mode that an interior body is accommodated in the exterior body of FIG. It is a figure explaining the method to cut off the cover provided in the exterior body of the composite pack for liquid filling shown in FIG. It is a figure which shows other embodiment of the cover provided in the exterior body of the composite pack for liquid filling. It is a perspective view which shows other embodiment of the composite pack for liquid filling of this invention. It is a perspective view which shows the further another embodiment of the composite pack for liquid filling of this invention. It is a perspective view which shows the further another embodiment of the sealing structure part of the composite pack for liquid filling of this invention. It is a perspective view which shows the structure of a connection piece. It is a perspective view which shows the further another embodiment of the composite pack for liquid filling of this invention. It is a perspective view which shows the further another embodiment of the composite pack for liquid filling of this invention. FIG. 16 is a side view of the liquid material filling composite pack of FIG. 15 as viewed in the direction of arrows AA. It is the side view which looked at the composite pack for liquid filling of FIG. 15 from the arrow opposite side of FIG. It is a perspective view which shows the further another embodiment of the composite pack for liquid filling of this invention. It is a perspective view which shows the state before accommodation of the interior body of the exterior body which comprises the composite pack for liquid filling of FIG. It is a top view which shows the formation method of the sealing structure part of the composite pack for liquid filling of FIG. It is a perspective view which shows an example of the cap provided in the head of the exterior body of the composite pack for liquid filling of this invention shown in FIG. (A), (b) is an end view of the cap of FIG. 21 at the BB position, and (c) is a state in which the window rib is provided in the longitudinal rib of the outer package of the composite pack for liquid filling of the present invention It is a perspective view shown. It is a perspective view which shows the other example of the cap provided in the head of the exterior body of the composite pack for liquid filling of this invention. It is a perspective view which shows one Embodiment of the interior body which comprises the composite pack for liquid filling of this invention.

The composite pack for filling a liquid according to the present invention has a bag-like inner body in which a liquid is filled in a soft packaging bag made of plastic film or the like, and an outer cover made of paper or plastic for storing and holding the inner body. It is composed of the body. Hereinafter, the features of the present invention will be described based on the illustrated embodiments.

FIG. 1 is a perspective view showing an embodiment of a composite pack P for liquid filling, and FIG. 2 is a perspective view showing an upper portion on the back side of the composite pack P for liquid loading of FIG. 3 is a plan view of the composite pack P for liquid filling, and FIG. 4 is a bottom view of the composite pack P for liquid filling.

The liquid pack composite pack P is composed of an inner body 30 shown by a dotted line in FIG. 1 and an outer body 10 for storing and holding the inner body 30. The inner body 30 and the outer body 10 are preferably joined to each other in at least one place to fix the both, and as the fixing portion 28, as shown in FIG. It is preferable to set it as the upper end part on the opposite side to the projecting position of 31. When the fixing portion 28 is provided, the sheet-like nozzle 31 is deformed or the like when the sheet-like nozzle 31 is tilted so as to face the liquid-packing composite pack P in order to eject the liquid. In addition, when the sheet-like nozzle 31 has a self-sealing function to prevent the entry of outside air, which will be described later, the adhesion between the inner surfaces of the pouring passage is inhibited. In addition, it is possible to sufficiently prevent outside air from entering.

The fixing portion 28 may further be provided at a position directly below the sheet-like nozzle 31 of the inner body 30 as shown in FIG. 1. In this case, a part of the outer body 10 is cut out as shown in the figure. The inner surface of the notch portion can be formed by sticking or the like to the outer surface of the inner body 30 positioned inside.

As shown in the plan view of FIG. 3, the upper portion of the liquid pack composite pack P is composed of four vertical ribs 17a to 17d consisting of a pair of rising walls arranged in a radial (cross shape) and a top wall 18 It is sealed by the sealing structure 13. On the other hand, the lower portion of the liquid material filling composite pack P has a bottom wall 25 (bottom plate) as shown in the bottom view of FIG. 4, and the plurality of bottom walls 25 continue from the lower edge of the cylindrical body 12. They are formed by engaging or sticking the bottom walls (four sheets in FIG. 4) of each other. In addition, composite pack P for liquid thing filling of the present invention consists of interior body 30 and exterior body 10 with which liquid substance was filled in the inside of a packaging bag, and does not fill liquid body directly in exterior body 10 Therefore, the bottom wall 25 of the exterior body 10 may be any one as long as it can provide the self-supporting property and prevent the interior body 30 from falling off.

First, the exterior body 10 will be described.
As shown in FIG. 1, the exterior body 10 seals the cylindrical body 12 and an opening 12 ′ at the upper end of the cylindrical body 12 (hereinafter, 12 ′ is referred to as “upper end opening”). And a sealing structure 13. The sealing structure portion 13 has a mountain-shaped top wall 18 (four vertical ribs 17 a to 17 d formed by a pair of rising walls arranged radially) and the vertical ribs 17 a to 17 d and the upper end opening 12 ′. Top board).

In this embodiment, although the case where the cylindrical body 12 of the exterior body 10 is a square column is shown as an example, the present invention is not limited to this, and the cylindrical body 12 is a triangular column or pentagonal column. In addition to polygonal columns such as, etc., they may be cylindrical. The top wall 18 may have a flat shape substantially perpendicular to the longitudinal ribs 17a to 17d as shown in FIG. 5. In this case, the height of the exterior body 10 can be suppressed.

Further, the material of the exterior body 10 is not particularly limited, but it is preferable that the composite pack P for liquid filling is made of a material having a strength capable of providing self-supporting property, such as paper, plastic film, plastic film and paper. It can be a composite material or the like. The composite material of plastic film and paper is made by laminating at least one sheet of plastic film such as nylon, polyester, polyethylene, etc. on paper as a base material, and metal foil or metal deposition as required. It is further preferable to stack layers, various barrier layers, and the like. In addition, it is preferable that the exterior body 10 bend | folds and shape | molds the sheet | seat of 1 sheet in the point which improves manufacturing efficiency. In the present embodiment, the case where the exterior body 10 is made of paper will be described as an example.

FIG. 6 is a perspective view showing an embodiment of the exterior body 10 before the interior body 30 is stored.
The cylindrical body 12 is provided with an annular body 11 having a sealing structure 13 for sealing the upper end opening 12 'at the upper end edge thereof. As shown in FIG. 7, the inner body 30 filled with the liquid is stored through the upper end opening 12 ′ of the cylindrical body 12, but at this time, the upper edge of the sealing structure 13 of the outer body 10; A sheet-like nozzle of an upper body 30 and an inner body 30 for fixing the inner body 30 and the outer body 10 by overlapping (for example, partially attaching or the like) with the upper end edge of the stored inner body 30 It is preferable to place 31 in a predetermined position.

The annular body 11 is folded along the mountain fold lines 14 extending from the four corners of the cylindrical body 12 and the valley fold lines 15 provided between the mountain fold lines 14, and the four inner tips of the valley fold lines 15 The four longitudinal ribs 17a to 17d (peak folds), which are composed of a pair of upright walls as shown in FIG. 1 and FIG. A sealing structure 13 is formed, which comprises a mountain-shaped top wall 18 formed between 17a to 17d and the upper end opening 12 '.

Although four vertical ribs 17a to 17d are provided in the sealing structure 13 in the present embodiment, it is preferable to provide three or more vertical ribs in the sealing structure 13, and the number of the vertical ribs is not limited. Appropriately selected according to the purpose of use.

In the composite pack P for liquid substance filling configured as described above, the liquid substance can be filled with the same opening area over the entire length from the bottom to the top of the cylindrical body 12 of the exterior body 10, and the cylindrical body By sealing the upper end opening 12 'of 12 with the sealing structure 13 provided in the upper end opening 12', the height of the liquid material filling composite pack P can be made as low as possible. Therefore, according to the composite pack P for liquid filling of the present invention, the volumetric efficiency (volume of liquid / height of outer container) of the liquid is twice or more than that of the outer container shown in the prior art. The effect of being able to increase to the same extent as the plastic bottle being done can be expected.

Moreover, in the composite pack P for liquid filling, the four longitudinal ribs 17a to 17d of the sealing structure 13 are formed by abutting the four inner end portions 16 of the valley fold line 15 to each other as described above. Therefore, the upper end opening 12 'is easily opened by pulling two opposing longitudinal ribs, the longitudinal rib 17a and the longitudinal rib 17c, or the longitudinal rib 17b and the longitudinal rib 17d in FIG. 1 in a direction away from each other with fingers. After use, the interior body 30 can be taken out from the inside of the exterior body 10, separated for each material, and discarded.

In addition, the sheet-like nozzle 31 of the interior body 30 is stored as shown by a dotted line between one of the four longitudinal ribs 17a to 17d, a pair of standing walls of the longitudinal rib 17a in FIG. 17 a functions as a cover 19 of the sheet-like nozzle 31. Thereby, since the sheet-like nozzle 31 is protected from both sides of the front and back by the cover 19 until the start of use, there is no possibility that the sheet-like nozzle 31 is deformed or misopened at the time of handling such as transportation. In addition, if at least a part of the sheet-like nozzle 31 is releasably attached or fused to the inner surface of the cover 19, deformation or the like of the sheet-like nozzle 31 can be further suppressed.

On the other hand, in the remaining three vertical ribs 17b to 17d, the pair of overlapping upright walls are stuck or fused at least at the upper end to cooperate with the top wall 18 of the upper end opening 12 'of the cylindrical body 12. Form a sealing piece to be sealed. At this time, it is preferable to fix the interior body 30 and the exterior body 10 by sandwiching the upper end portion of the interior body 30 between the pair of upright walls of the longitudinal ribs 17b to 17d.

In the present embodiment, the four longitudinal ribs 17a to 17d are provided on a straight line passing through the four corner portions in a plan view of the cylindrical body 12, respectively. It is preferable that the vertical rib 17a which is to be located on a straight line passing through at least one corner of the cylindrical body 12.

As shown in FIG. 1, the cover 19 can be cut out along a planned separation line 20 made of perforations or the like provided in the sealing structure portion 13, and the sheet shape located inside by cutting out the cover 19. The nozzle 31 can be exposed to the outside.

As shown in FIGS. 2 and 3, one of the pair of upright walls constituting the longitudinal rib 17a includes the flap 21. The flap 21 is shown in the mountain fold line 14 or 9 as shown in FIG. As described above, opening and closing are enabled from the upper end edge of the vertical rib 17a.

Taking the case of FIG. 8 as an example, the method of cutting out the cover 19 will be described. First, the flap 21 is opened with fingers starting from the mountain fold line 14 and then along the planned separation line 20 provided on the other wall The vertical rib 17a (cover part 19) is cut out to expose the sheet-like nozzle 31 to the outside. In addition, the flap 21 is made to stick or fuse at least one part to the standing wall on the other side of the longitudinal rib 17a, and to suppress the exposure of the sheet-like nozzle 31 located inside until the start of use to the outside. Is preferred.

Further, in the exterior body 10, one crushing scheduled line 24a is provided on the cylindrical body 12 (corner of a square pole in FIG. 1) located directly below the sheet-like nozzle 31, and the cylindrical body 12 at the opposing position ( In FIG. 1, it is preferable to provide another crushing line 24b at the other corner of the quadrangular prism. Furthermore, as shown in FIG. 4, the bottom wall 25 is connected to the planned crushing

lines

24 a and 24 b, and a planned bending line 26 including a perforation or the like for bending the bottom wall 25 toward the inside of the cylindrical body 20. It is preferable to provide.
Thereby, the cylindrical body 12 of the exterior body 10 can be crushed until the cylindrical body 12 becomes flat along the planned crushing

lines

24 a and 24 b and the planned bending line 26, so that the liquid amount depending on the pressing amount by the finger While being able to adjust the pouring amount of a thing and being able to squeeze out the said liquid material also when the residual amount of a liquid material becomes small, in addition, in FIG. 1, the cylindrical body 12 of the exterior body 10 Although the planned crushing line 24b is located at the corner of the cylindrical body 12 because the rectangular column is formed, the cylindrical body according to the shape of the cylindrical body 12 is used for the planned crushing line 24b. Set up appropriately on the wall of 12.

FIG. 10 is a perspective view showing another embodiment of the composite pack P for liquid substance filling of the present invention. In this liquid material filling pack P, the wall surface of the cylindrical body 12 of the exterior body 10 is horizontally held, for example, in a range of about 5 cm from the position gripped with fingers, for example, the center position in the height direction of the cylindrical body 12 A plurality of extending grooves 29 are provided. The concave streaks 29 can suppress sliding when gripping with fingers. In addition, the concave streaks 29 can be formed by pressing a material such as paper constituting the exterior body 10 in a required shape.

FIG. 11 is a perspective view showing another embodiment of the composite pack P for filling liquid according to the present invention, and the composite pack P for filling liquid according to FIG. 1 is a pair of vertical ribs 17a of the exterior body 10. The structure of the standing wall is different. In the composite pack for liquid filling P, the rising walls have the same shape, and the separation lines 20 are formed in the same shape on the two rising walls. Therefore, the longitudinal rib 17a (cover 19) which consists of a pair of standing walls can be cut out at once by tearing along the separation line 20, bending, or the like.

FIG. 12 is a perspective view showing another embodiment of the sealing structure 13 of the composite pack P for liquid substance filling of the present invention. As shown in FIG. 12, each of the longitudinal ribs 17a to 17d is separated from each other through a cut 37 provided in the central portion. For this reason, the four longitudinal ribs 17a to 17d are held independently of each other, and even if the composite pack P for liquid substance filling falls accidentally during handling etc., the respective longitudinal ribs 17a to 17d In order to absorb the impact by flexing flexibly, etc., peeling (bonding between the walls) of the longitudinal ribs 17a to 17d is prevented or deformation is suppressed, and the composite pack P for liquid filling (the outer package 10 ) Can be kept in its original shape. In addition, when the two vertical ribs (vertical rib 17a and vertical rib 17c, or vertical rib 17b and vertical rib 17d) facing each other are pulled in a direction away from each other by fingers, the notch 37 becomes a starting point, and the sealing structure portion 13 can be opened easily. Furthermore, since the four longitudinal ribs 17a to 17d are in independent states, the inner surfaces of the two upright walls can be easily overlapped with each other, and the sealing structure portion 13 can be easily formed.

As shown in FIG. 13A, it is preferable to provide at least one connection piece 22 connecting one standing wall and the other standing wall to each other at the upper end of each of the longitudinal ribs 7a to 7d. The joint piece 22 improves the bonding strength between the walls of the longitudinal ribs 17a to 17d, which are a pair of upstanding walls. Therefore, even if the composite pack for liquid filling P falls accidentally during handling etc., the longitudinal rib 17a The liquid pack filling composite pack P (outer package 10) can be maintained in its original shape without peeling off or deformation of (the pair of upstanding walls) junctions 17b to 17b.

The connecting piece 22 is formed by a separate member from the exterior body 10, and as shown as an example in FIG. 13, the projecting piece 22a is continuously formed from one wall of a pair of upright walls constituting the longitudinal rib 17c. The connection piece 22 connecting the two upright walls can be formed by providing and folding and sticking the projection 22a to the wall surface of the other wall.

Since the connecting piece 22 is firmly attached to the wall surfaces of the

longitudinal ribs

17a and 17b, for example, when removing the interior body 30 from the exterior body 10, for example, at the time of disposal of the liquid pack composite pack P. The connection piece 22 can not be broken by the force of the finger, and there is a possibility that the sealing structure portion 13 can not be easily opened. Therefore, as shown in an enlarged view in FIG. 13 (a), the connecting piece 22 is between the double rising walls constituting the longitudinal rib 17c, preferably on the inner tip 16 side of the valley fold line 15. It is preferable to provide a notch 23 at the end, by which the two opposing longitudinal ribs (longitudinal rib 17a and longitudinal rib 17c, or longitudinal rib 17b and longitudinal rib 17d) are pulled away from each other by fingers. In addition, the connection piece 22 can be easily broken with the notch 23 as a starting point.

FIG. 14 shows another embodiment of the composite pack P for liquid substance filling of the present invention. In the liquid material filling composite pack P, three vertical ribs 17a to 17c are provided as the sealing structure 13 of the package 10. In addition, as shown in the figure, on the corner of the cylindrical body 12 of the exterior body 10, although not shown, on the body wall where the finger is positioned when the cylindrical body 12 is gripped with the fingers. If the easily deformable portion 27 which can be depressed inward is provided, the exterior body 10 can be easily held by gripping the exterior body 10 with the fingers via the easily deformable portion 27, and sliding from the fingers can be reduced. It can be suppressed.

FIG. 15 shows still another embodiment of the composite pack P for liquid substance filling of the present invention. The package body 10 constituting the composite pack for liquid material filling P includes a cylindrical body 12 and a sealing structure 13 for sealing an opening 12 'at the upper end of the cylindrical body 12. . The sealing structure 13 includes four vertical ribs 17a to 17d, each of which includes a mountain-shaped top wall 18a to 18d and a pair of upright walls radially erected from the top wall 18a to 18d. The rib 17 a stores the sheet-like nozzle 31 inside when the inner body 30 is stored, and functions as a cover 19 of the sheet-like nozzle 31.

FIG. 16 shows a side view (a side view on the side of the longitudinal rib 17a) of the composite pack P for filling a liquid shown in FIG. 15 as viewed from the arrow AA direction; FIG. FIG. 17 shows a side view of the composite pack P for liquid filling as seen from the above. As can be seen from FIGS. 16 and 17, in the exterior body 10, the shape of the sealing structure 13 is largely different between the longitudinal rib 17a side and the longitudinal rib 17c side.

This is because the slopes of the chevron top wall 18a (not shown) and top wall 18b located on the both sides of the longitudinal rib 17a are larger than those of the other

top walls

18c and 18d (not shown). It is because it has become. In this embodiment, the standing base side 50 of the vertical rib 17a from the

top wall

18a, 18b is extended downward and positioned lower than the standing base 51 of the other vertical ribs 17b to 17d. By doing this, the slopes of the top wall 18a and the top wall 18b are increased.

By thus increasing the slopes of the

top wall

18a, 18b located on both sides of the longitudinal rib 17a, the space for forming the longitudinal rib 17a becomes large, and the longitudinal rib 17a does not protrude from the side wall of the cylindrical body 12 The sheet-like nozzle 31 can be stored inside the longitudinal rib 17a. As a result, the side edge of the longitudinal rib 17a and the side wall of the cylindrical body 12 (in FIG. 15, the expected compression line 24a of the corner of the cylindrical body 12) are aligned on a straight line, When a plurality of composite packs P are lined up for display, storage, etc., the liquid pack composite packs P do not collide with each other, space saving can be achieved, and the risk of breakage or the like can be reduced. .

The length of the upstanding base side 50 of the longitudinal rib 17a is 1.2 to 2.0 times, preferably 1.4 to 1.8 times the length of the upstanding base side 51 of the other longitudinal ribs 17b to 17d. To be In this range, the slope of the

top wall

18a, 18b is increased without decreasing the capacity of the exterior body 10, the space for forming the longitudinal rib 17a is enlarged, and the entire sheet-like nozzle 31 is made into the longitudinal rib 17a. It can be stored inside. Further, when cutting the vertical rib 17a and exposing the sheet-like nozzle 31 to the outside to discharge the package, the fixing and tightening of the sheet-like nozzle 31 by the remaining vertical rib 17a become appropriate, and the material to be packaged is covered While being easy to control the discharge amount of a thing, the effect that it is excellent in discharge directionality, and can suppress generation | occurrence | production of a liquid drip etc. can also be anticipated.

FIG. 18 shows still another embodiment of the composite pack P for liquid substance filling of the present invention. In the liquid material filling composite pack P, the outer package 10 is made of, for example, a laminated plastic film of two or more layers including a base film layer and a sealant layer, and the upper end of the cylindrical tubular body 12 The sealing structure 13 is constituted by two vertical ribs 17a to 17d and a mountain-shaped top wall 18 partitioned by the vertical ribs 17a to 17d. Further, at the lower end of the exterior body 10, a bottom wall 25 having an elliptical shape in plan view is provided, and the bottom wall 25 is configured to be able to stand on its own.

In addition, the laminated plastic film which comprises the exterior body 10 is comprised by a polyethylene terephthalate film, a nylon resin film, polypropylene or polyethylene etc. as a polyethylene base film layer as a base film layer, On the other hand, polyethylene or a polypropylene is mentioned as a sealant layer. It is preferable to be configured by

Further, the thickness of the laminated plastic film is in the range of 80 to 300 μm, preferably 100 to 200 μm, in order to provide the self-supporting property and the fixed property when the inner body 30 is stored and held. Adjust the stiffness of the laminated plastic film to about 40 to 300 mN. In addition, a gas barrier layer composed of a SiO ₂ vapor deposition layer, an EVOH layer, a vinylidene chloride coating layer, an aluminum oxide coating layer, an Al vapor deposition layer or a sputtering layer thereof is preferably formed on one surface of this base film layer. It may be provided with a thickness of 5 to 20 μm. In this case, the outer bag 10 is given water vapor impermeability, gas barrier properties and the like, and the long-term deterioration of the package in the inner bag 30 to be stored and held. No storage is possible.

In addition, since the exterior body 10 and the interior body 30 are both made of a plastic film, the composite pack P for liquid stuffing of the present embodiment is used for filling the liquid when the number of objects to be packaged in the interior body 30 decreases. It is also possible to squeeze the material to be packaged by folding or the like in the composite bag P.

FIG. 19 is a perspective view showing an embodiment of the exterior body 10 ′ before housing the interior body 30, in which a cylindrical tubular body 12 and a bottom wall 25 for self-supporting are provided at the bottom thereof. ing. In addition, this exterior body 10 'can be manufactured by various methods well-known as a manufacturing method of a standing pouch, for example, the bottom folded in half at the lower end of the plastic film of 2 front and back which comprises the cylindrical body part 12 A plastic film for a wall is sandwiched with the folds up, and the peripheral edge is sealed in this state, whereby the bottom wall 25 consisting of the gusset bottom can be formed.
In FIG. 19, the cylindrical body 12 is formed by fusion bonding (sealed

portions

12 a and 12 b) the two side edges of the front and back two plastic films, but the cylindrical body 12 is It is also possible to fold one plastic film in the width direction.

After the interior body 30 is housed in the cylindrical body 12, for example, the upper end portion of the cylindrical body 12 is positioned at the center in the width direction between the seal 12a and the seal 12b as shown in FIG. Fold it outwards by picking it up. As a result, the four inner end portions 16 to be valley folds are butted against each other, and consist of a pair of upright walls as shown in FIG. 18 and from the four longitudinal ribs 17a to 17d positioned in a radial (cross shape) Thus, it is possible to form the recessed sealing structure 13.

Further, in the present invention, a cap 38 made of resin or paper as shown in FIG. 21 may be detachably provided on the head of the outer package 10 of the composite pack P for liquid filling, in this case, Is hygienic because it can prevent the spout of the sheet-like nozzle 31 exposed to the outside from being soiled even when the liquid pack composite pack P is stored for a long time after the sheet-like nozzle 31 is opened. . In the cap 38, as shown in FIG. 21, ribs 38a to 38d having the same shape (a shape slightly larger than the sealing structure 13) substantially the same as the sealing structure 13 of the package 10 shown in FIG. Although it is preferable to be formed in a cross shape, it may have any shape as long as at least the sheet-like nozzle 31 can be covered.

Preferably, the cap 38 has a sandwiching structure in which a rib 38a covering at least a longitudinal rib 17a sandwiching the sheet-like nozzle 31 can sandwich at least a part of the sheet-like nozzle 31 from both sides. By this sandwiching structure, the force acting in the direction (opening direction) in which the pouring passage of the sheet-like nozzle 31 expands is suppressed, and after the sheet-like nozzle 31 is opened, the liquid pack composite pack P unexpectedly Even if it falls, the liquid can be prevented from leaking.

As the sandwiching structure, for example, as shown in an end view at a BB position in FIG. 21 (FIGS. 22A and 22B), the inner surface of the pair of

wall portions

39a and 39b constituting the rib 38a Providing the

sandwiching portions

40a and 40b to be in contact with each other (FIG. 22 (a)), and engaging the inner surfaces of the pair of

wall portions

39a and 39b with one or more irregularities (FIG. 22 (b)) Besides, as shown in FIG. 23, as long as the sheet-like nozzle 31 can be held from both side surfaces, such as providing a V-shaped bent portion 42 in the longitudinal direction of the pair of

wall portions

39a and 39b It may be of such a structure.

Further, as shown in FIG. 22C, a window hole 41 is provided in the vertical rib 17a, and the holding portions 40 and 41 of the cap 38 are fitted in the window hole 41. According to this, the cap 38 can be fitted well when fitted to the head of the exterior body 10, and the cap 38 can be prevented from coming off. Further, by providing the window hole 41, the sheet-like nozzle 31 located inside the vertical rib 17a can be visually recognized from the outside.

Furthermore, the cap 38 preferably has an engagement structure for preventing the package body 10 from falling off from the head. For example, a recess is provided at the lower end of the cap 38 and a protrusion is formed on the side surface of the package 10. Alternatively, the two may be engaged via the recess and the protrusion to be firmly fixed.

Next, the interior body 30 will be described. The inner body 30 is, as shown as an example in FIG. 24, a packaging bag 32 made of a laminated film obtained by laminating a single plastic film or a plurality of plastic films including one or more plastic films or metal foils. For example, those obtained by filling and packaging various liquids such as liquid, viscous and the like by seal filling in liquid can be used. In particular, when the packaging bag 32 is made of a plastic film having a thickness and a waist, the occurrence of wrinkles in the packaging bag 32 is suppressed and smooth pouring can be performed, and a liquid material is poured out to pour out the liquid material. When the filling composite pack P is tilted or the like, the inner body 30 can be prevented from sliding downward.

In FIG. 24, the sheet-like nozzle 31 is provided in a protruding manner at the upper part of the side part of the inner body 30, but the sheet-like nozzle 31 may be provided in the upper end portion of the inner body 30. The sheet-like nozzle 31 can be opened by, for example, cutting out the front end along a notch 33 such as a V notch provided near the front end. Further, it is preferable to provide a protrusion 34 for preventing liquid dripping propagation at the lower edge of the sheet-like nozzle 31 at a position near the nozzle proximal end 31 a near the planned opening position. Liquid (droplet) dripping from the opening will be dropped onto the floor surface from the tip of the projection 34, which can prevent the interior body 30 and the exterior body 10 from being polluted by the dripping.

The sheet-like nozzle 31 is preferably made of a plastic laminate film having at least a base film layer and a sealant film layer laminated on both sides of the base film layer, and the plastic laminate film is used on the front and back. In the superposed state, the pouring passage 35 is defined in the central portion by heat-sealing at the peripheral portion excluding the base end portion 31a.
In particular, when the sheet-like nozzle 31 has a self-sealing function, the liquid in the packaging bag 32 is poured out without suction of the outside air by the tilting of the packaging bag 32 or the pressing on the packaging bag 32. When stopping the pouring based on the return of standing up of the packaging bag 32 or the release of the pressure on the packaging bag 32, the delivery passage of the sheet-like nozzle 31 is exposed to negative pressure associated with the reduced pressure atmosphere in the packaging bag 32. The inner surfaces of the inner and

outer surfaces

35 and 35 are in close contact with each other immediately under the thin film of liquid material adhering to the inner surface of the pouring passage 35 (flowing from the inside of the packaging bag 32) to prevent the outside air from entering the packaging bag 32. it can.

The composite pack for filling a liquid according to the present invention can be used as a container for filling and packaging a liquid or viscous liquid such as a beverage, a medicine, or a chemical.

P Composite Pack for Liquid Filling 10, 10 'Outer Body 11 Annular Body 12 Tubular Body 12' Upper End Opening 13 Sealed Structure 14 Mountain Fold Line 15 Valley Fold Line 16

Inner Tip

17a, 17b, 17c, 17d Longitudinal rib
18 top surface wall 19 cover 20 planned separation line 21 flap 22 connection piece 22a projection piece 23 notched

part

24a, 24b planned crushing line
Reference Signs List 25 bottom wall 26 predetermined bending line 27 easily deformable portion 28 fixed portion 29 recessed line 30 inner body 31 sheet-like nozzle 31a base end portion 32 packaging bag 33 V notch 34 protrusion 35 spout passage 37 cut 38

cap

38a, 38b, 38c,

38d Ribs

39a, 39b

Walls

40a, 40b Clamping portion 41 Window hole 42 Bent portion 50, 51 Standing base edge 52 Boundary line

Claims

A bag-like inner body formed by filling a liquid in a soft packaging bag;
An exterior body for housing the interior body having a cylindrical body, a bottom wall provided at the lower end of the cylindrical body, and an opening provided at the upper end of the cylindrical body;
A composite pack for filling a liquid, comprising
The inner body has a sheet-like nozzle for liquid material dispensing which is provided to project on the upper end portion or the upper side end of the packaging bag,
The liquid-filling composite according to claim 1, wherein the exterior body has a sealing structure portion including, at the opening, a top wall closing the opening and a plurality of vertical ribs rising from the top wall. pack.
The sealing structure has at least three longitudinal ribs standing up from a flat or chevron top wall, and these longitudinal ribs are substantially the center of the cylindrical body in a plan view of the cylindrical body. The composite pack for filling liquid according to claim 1, wherein the composite pack is disposed radially from the position.
The vertical ribs may be cover vertical ribs that sandwich and cover the sheet-like nozzle for discharging the liquid material, and the cover vertical rib may expose the sheet-like nozzle for discharging the liquid material. The composite pack for filling liquid according to claim 1 or 2, characterized by having a planned separation line.
The liquid according to any one of claims 1 to 3, wherein the longitudinal rib is formed by overlapping a pair of upstanding walls formed by folding up a part of the top wall. Composite pack for filling.
The composite pack for filling liquid according to claim 4, wherein the vertical rib has one standing wall and the other standing wall connected by a connecting piece.
The connection piece is characterized in that the connection piece has a notch portion that causes the connection piece to break from the start point by the addition of an external force that mutually separates the rising walls constituting the longitudinal rib. The composite pack for liquid filling as described in 4.
The liquid according to any one of claims 3 to 6, wherein in the top wall, the surface located on both sides of the cover longitudinal rib is larger than the slope of the other top wall surface. Composite pack for filling.
8. The lower end of the base end side of the cover longitudinal rib rising from the top wall is positioned lower than the lower end of the other base end of the vertical rib. Composite pack for liquid filling.
9. The inner body according to any one of claims 1 to 8, wherein the projecting end of the sheet-like nozzle for liquid material dispensing is positioned inside the side wall of the cylindrical body of the outer body. The composite pack for liquid filling as described in 1.
The packaging bag is made of one plastic film, or one or more plastic films or a laminate film obtained by laminating a plurality of plastic films including metal foils.
The liquid pack as claimed in any one of claims 1 to 9, wherein the exterior body is made of paper, a plastic film, or a composite of a plastic film and paper.
11. The composite pack for liquid substance filling according to any one of claims 1 to 10, wherein at least a top rear end of the inner body is joined and fixed to the outer body.
The said cylindrical body of the said exterior body has a substantially equal opening area over the full length from the bottom wall to the opening part of an upper end, It is any one of the Claims 1-11 characterized by the above-mentioned. Composite pack for liquid filling.
The said sealing structure part of the said exterior body has a removable cap for covering the said sheet-like nozzle for liquid discharge at the time of exposure, It is characterized by the above-mentioned. Composite pack for liquid filling.
The sheet-like nozzle for liquid material dispensing performs the pouring of the liquid material in the packaging bag without sucking in the outside air by the tilting of the packaging bag or the pressing on the packaging bag, and the upsetting of the packaging bag or the packaging bag When stopping the pouring based on the release of the pressure on the bag, the inner surface of the pouring passage of the sheet nozzle for pouring a liquid is immediately sealed by the thin film of the liquid flowing from the inside of the packaging bag, 14. The composite pack for liquid substance filling according to any one of claims 1 to 13, characterized by having a self-sealing function to prevent the outside air from entering the packaging bag.