JPH11152153A - Pouch with pouring mouth member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pouch with a pouring mouth member wherein a pouring mouth is flat in the same manner as a pouch body so that the pouch has an improved stacking efficiency when the pouch is transported and stored, and when the contents of the pouch are poured, the pouring mouth can be formed into a three-dimensional construction at one-step, operation to easily pour the contents. SOLUTION: In the soft pouch 200 which is formed from synthetic resin films and has a pour mouth part 210 provided in a protruding form so that the forward end thereof is cut off, when in use, to form a pour mouth, a pour mouth member 100 which has a fitting mechanism, which is made of a flat and rigid synthetic resin so that the mechanism can be bent and kept in a bent state, is inserted into the pour mouth of the pour mouth part 210 so that the member 100 is formed into a bent state, whereby the pour mouth of the part 210 can be formed into a cylindrical opening.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spout port member to be inserted into a spout port of a refill pouch for fruit juice beverages, seasonings, detergents and cosmetics.

[0002]

2. Description of the Related Art In recent years, refill containers for various liquid contents have been widely used from the standpoint of environmental protection and resource saving. As a container for this refill, there is a pouch with a flexible spout portion made of a synthetic resin film that cuts and opens the tip of the spout portion at the time of use, and pours out contents.
When refilling the contents into another container, in order to improve the ease with which the contents at the spout can be poured out, see, for example, Japanese Patent Application Laid-Open
Japanese Patent Application Laid-Open No. H9-2538 discloses a spout of a spout portion formed into a hollow cylindrical or hollow semi-cylindrical shape.
It is known that a semi-rigid or hard pipe is buried in a spout of a spout portion described in JP-A-24956.

[0003]

However, in the above-mentioned conventional pouch with a spout which has improved the pourability of the contents, the pouch body is flat before filling the contents, but the spout is not filled. Due to the three-dimensional structure, the accumulation efficiency during distribution and storage is poor, and when filling the contents, trouble in transporting the packaging bag inside the filling machine is likely to occur,
In some cases, a special transport device was required.

The present invention solves the above-mentioned problem of the conventional pouch with a spout. The spout is flat as in the case of the pouch body, and the pouch accumulation efficiency during distribution and storage is good. It is another object of the present invention to provide a pouch with a pouring port member which can be formed into a three-dimensional structure in which the pouring port can be easily poured with one touch when the contents are to be poured.

[0005]

Means for Solving the Problems A first invention of the present invention is:
As shown in FIG. 1 (a), a projecting spout portion (210) that cuts the tip during use and opens the spout.
Flexible pouch (20) made of synthetic resin film with
In FIG. 1B, as shown in FIG. 1B or 1C, the spout of the spout is made of a flat and rigid synthetic resin, and is capable of being bent and maintaining a bent state. The spout port of the spout section can be maintained in a cylindrical shape by inserting a spout port member (100) having a coupling mechanism and bending the spout port member. This is a pouch (200) with a spouting port member.

Next, a second invention of the present invention is shown in FIG.
To (c), the pouring port member (100)
However, when a linear hinge (110) extending from the upper end to the lower end is formed at a substantially central position in the left-right direction, and the hinge is bent into a three-dimensional structure having a rectangular cross section, the fitting protrusion (140) on the bent side surface is formed. ) And a plurality of sets of fitting recesses (150) fitted with each other via a hinge in a vertical direction, wherein the pouch (200) with a spout port member according to the first invention is provided. ).

Next, a third invention of the present invention is shown in FIG.
To (c), the pouring port member (100)
Are two linear hinges (11
0) are formed in parallel with each other, and one or a plurality of fitting protrusions (140) in the left-right direction extending between the two hinges are formed on the bent side surface, and the two hinges are bent to form a cross section. The first invention according to the first invention, characterized in that, when the three-dimensional structure is formed, fitting recesses (150) that fit with both ends of the fitting protrusions are provided on the outside via hinges. This is a pouch (200) with a spout member.

Next, a fourth invention of the present invention is shown in FIG.
To (c), the pouring port member (100)
Are two linear hinges (11
0) are formed in parallel, and when the two hinges are bent to form a triangular cylindrical three-dimensional structure, the fitting projections (140) and the fitting recesses (150) that fit each other are respectively formed. The pouch (200) with a spouting port member according to the first invention, wherein one set or a plurality of sets are provided in the corresponding left and right ends in the vertical direction.

Next, a fifth invention of the present invention will be described with reference to FIG.
To (d), the pouring port member (100)
However, two left and right linear hinges (110) extending from the upper end to the lower end are formed in parallel with a central rectangular hinge (120), and the central hinge is bent to make a flat plate-like spout. (210), the center hinge is opened, and the left and right hinges are bent to form a square tubular three-dimensional structure. (150) is a pouch (200) with a spouting member according to the first aspect, wherein one set or a plurality of sets are provided in the corresponding left and right ends in the vertical direction.

Next, a sixth invention of the present invention will be described with reference to FIG.
To (c), the pouring port member (100)
However, two slits (130) are formed corresponding to the inside from the lower position of the left end and the right end respectively, and the two slits (130) are formed from the upper end.
Two linear hinges (110) are formed over the inner upper ends of the slits, and one or more left-right fitting projections (140) extending between the two hinges are formed on the bent side surface. When the two hinges are bent to form a three-dimensional structure having a U-shaped cross section, fitting recesses (150) fitting with both ends of the fitting protrusions are provided on the outside via the hinges. The pouch (200) with a spout member according to the first invention, characterized in that:

Next, a seventh invention of the present invention will be described with reference to FIG.
To (c), the pouring port member (100)
Form two slits (130) corresponding to the inside from the upper position and the lower position of the left end and the right end, respectively, and form two slits (130) from the inner lower end of the two slits at the upper position to the two slits at the lower position. Two linear hinges (130) extending over the inner upper end are formed, and one or a plurality of fitting projections (140) in the left-right direction extending between the two hinges are formed on the bent side surface or in a plurality of vertical directions. When the hinge of the book is bent to form a three-dimensional structure having a U-shaped cross section, fitting concave portions (150) that fit with both ends of the fitting convex portion are provided on the outside via the hinge. It is a pouch (200) with an outlet member for pouring according to the first invention.

Next, an eighth invention of the present invention will be described with reference to FIG.
To (c), the pouring port member (100)
Form two linear hinges (110) in the upper position and the lower position which are parallel to each other in the vertical direction, the lower end of the two hinges at the upper position and the upper end of the two hinges at the lower position. Two slits (130), which are wider and similar in shape than the two hinges, are connected to each other, and a left-right fitting projection (140) extending between the two hinges at the upper position and the lower position is formed. One or a plurality of upper and lower positions are formed on the bent side surface, and when the two hinges at the upper position and the lower position are bent to form a gutter-shaped three-dimensional structure, the two ends of the fitting protrusion are fitted to each other. The pouch (200) with a spout member according to the first invention, wherein the mating recesses (150) are provided on the outside via hinges.

Next, a ninth invention of the present invention will be described with reference to FIG.
To (c), the pouring port member (100)
Has three slits (130) arranged in a left-right direction at the left end portion, the center portion, and the right end portion at a lower position, and a linear hinge (30) extending from the left-right center position at the upper end to the center slit. 110), one or more fitting protrusions (140) are formed on one of the edges of the bent side surface in the vertical direction, and the hinge is bent to form an inverted T-shaped three-dimensional structure. A pouch (20) with a spout port member according to the first invention, characterized in that a fitting recess (150) that fits with the fitting projection is provided at the other end.
0).

Next, a tenth invention of the present invention is shown in FIG.
As shown in (a) to (c), the pouring port member (1)
00) is provided with a fitting portion (160) at one of the left end and the right end so that the upper portion can be bent to form two slits (130), and the upper portion is bent by the slit to form a vertical cross. The spout according to the first invention, characterized in that a fitting projection (140), in which the fitting part gets over and fits when provided in a three-dimensional structure, is provided in the vicinity of the slit on the thread bending side surface. It is a pouch with a member (200).

Next, an eleventh invention of the present invention will be described with reference to FIG.
As shown in (a) to (c), the pouring port member (1)
00) forms two upper and lower left-right slits (130) corresponding to substantially the center in the up-down direction, and the left, center, and right ends between the two slits have three parallel slits in the up-down direction. The two linear hinges (170) are formed by forming a concave groove from the back surface and extending from the upper end to the upper slit and from the lower end to the lower slit. A concave groove is formed from the surface at a substantially central position in the left-right direction, and when the hinge is bent to form an upper and lower cross section in a rectangular shape and the center is formed into a prismatic three-dimensional structure, a fitting protrusion on a bent side surface is formed. Fitting part (15) that fits with the part (140) via the hinge.
0) is provided on the upper hinge and the lower hinge or on one of the hinges, or a plurality of sets in the vertical direction, with the spout opening member according to the first invention. The pouch (200).

Next, a twelfth invention of the present invention is characterized in that the outer edge or the whole of the bent portion of the pouring member is inclined at a predetermined angle in the bending direction.
A pouch with a spouting port member according to the eleventh to eleventh aspects.

According to a thirteenth aspect of the present invention, at least one side of the synthetic resin film on the front and back of the spout is made transparent or translucent so that the inserted spouting member can be viewed from the outside of the pouch. The first to the first, characterized in that
It is a pouch with an outlet member for pouring described in 2nd invention.

[0018]

In the pouch with the spout port member of the present invention, the spout port into which the spout port member is inserted is flat like the pouch body until the contents are filled. Good accumulation efficiency at the time, no trouble in transporting the pouch on the contents filling machine, and no special equipment for transport is required.

The spout port inserted into the spout port of the pouch of the present invention is formed with a hinge or a slit for bending with a finger from the outside of the pouch or a slit for twisting the pouch. A fitting convex portion, a fitting concave portion or a fitting portion for maintaining the formed three-dimensional structure is provided, and when the content is poured out, a rigid synthetic resin having a three-dimensional structure is provided. In order to secure the flow path of the contents by keeping the spout opening section formed from a flexible synthetic resin film in the form of a cylindrical opening from the inside, the contents from the pouch spout section are Is better.

Further, the spout port member of the present invention in which the outer edge portion or the whole of the bent portion of the spout port member inserted into the spout hole of the spout portion is inclined at a predetermined angle in the bending direction. With the pouch attached, simply pluck the spout opening from the outside of the pouch with your finger and apply force in the center direction, the spout opening is inclined from the beginning by a predetermined angle in the bending direction, so it will naturally Bends in a predetermined direction.

Further, the pouch with the spout port member of the present invention in which at least one side of the synthetic resin film on the front and back of the spout is made transparent or translucent, the pouch on the transparent or translucent side of the spout is provided from the outside. Since the pouring port member to be inserted into the pouring hole can be visually observed, the assembling can be performed while checking the assembly state of the pouring port member, and the assembling of the pouring port member can be reliably performed.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION A pouch (100) with a spout port member according to the present invention, as shown in FIG. A spout port member (100) made of a synthetic resin having rigidity is inserted, and when pouring out the contents, the spout port member is bent or screwed with a finger from the outside of the pouch and assembled. To form a three-dimensional structure, and maintain the opened spout in a tubular shape. This spout port member is manufactured by injection molding using a thermoplastic resin such as polyethylene or polypropylene having rigidity adapted to the purpose of use,
A part or entire surface is adhered to the inner surface of the pouch spout portion with an adhesive or heat-sealed and inserted into the pouch spout portion.

The spout port member (100) of the present invention.
One embodiment of the present invention is, for example, as shown in FIGS. 1A and 1B, a linear hinge (11
0) is formed at a substantially central position in the left-right direction, and when the hinge is bent to form a three-dimensional structure, the fitting concave portion (15) that fits through the hinge with the fitting convex portion (140) on the bent side surface.
0) and a plurality of sets in the vertical direction. Then, as shown in FIG. 12 (a), when the back surface is partially adhered to and inserted into the inner surface of the spout (210) of the pouch, and the contents are poured out, as shown in FIG. 12 (b). As shown in FIG.
11) is to be maintained.

In addition, the pouring port member (1) of another embodiment.
2), for example, as shown in FIGS. 2A and 2B, two linear hinges (11) extending from the upper end to the lower end.
0) are formed in parallel with each other, and one or a plurality of fitting protrusions (140) in the left-right direction extending between the two hinges are formed on the bent side surface, and a plurality of the hinges are bent to form a three-dimensional structure. In this case, fitting recesses (150) that fit with both ends of the fitting projections are provided on the outside via hinges. Then, as shown in FIG. 13 (a), the spout port member (100) is a pouch spout port (210).
When the contents are to be poured out by partially attaching the back surface to the inner surface of the container and pouring out the contents, as shown in FIG. ) Is to maintain.

The pouring port member (1) of another embodiment
00), for example, as shown in FIGS. 3A and 3B, two parallel hinges extending from the upper end to the lower end are formed in parallel, and the two hinges are bent to form a triangular cylindrical shape. When a three-dimensional structure is used, the fitting projections (14
0) and the fitting recess (150) are provided at the corresponding left end and right end, respectively, in one set or a plurality of sets in the vertical direction.
Then, as shown in FIG. 14 (a), the pouring port member (100) is partially adhered to the inner surface of the pouch pouring port (210) with its back surface inserted, and the content is discharged. When you do
As shown in FIG. 14 (b), a triangular prism-shaped three-dimensional structure is used to maintain the content flow path (211).

In addition, the pouring port member (1) of another embodiment.
00) are two right and left linear hinges (110) extending from the upper end to the lower end as shown in FIGS.
And the central rectangular hinge (120) are formed in parallel, the central hinge is bent to form a flat plate and inserted into the spout, the central hinge is opened, and the left and right two hinges are bent. When a square tube-shaped three-dimensional structure is formed, one or more sets of fitting projections (140) and fitting recesses (150) that fit each other are provided at the corresponding left and right ends, respectively. It is. And the spout port member (100) is shown in FIG.
As shown in FIG. 5 (a), when the back surface is partially adhered and inserted into the inner surface of the spout (210) of the pouch, and the contents are poured out, as shown in FIG. 15 (b), It has a quadrangular prism-like three-dimensional structure, and maintains the flow path (211) of the contents.

Further, the pouring port member (1) of another embodiment is provided.
00), as shown in FIGS. 5A and 5B, two slits (130) are formed corresponding to the inside from the lower position of the left end and the right end, respectively, and the inside of the two slits from the upper end is formed. Two straight hinges (110) extending over the upper end are formed, and one or a plurality of fitting projections (140) in the left-right direction extending between the two hinges are formed on the bent side surface, and two or more are formed in the vertical direction. When the hinge is bent to form a three-dimensional structure, fitting recesses (150) that fit with both ends of the fitting protrusion are provided on the outside via the hinge. Then, as shown in FIG. 16 (a), the pouring port member (100) is partially adhered to the inner surface of the pouch pouring port (210) with its back surface inserted, and the content is discharged. Figure 1
As shown in FIG. 6 (b), a three-dimensional structure having a U-shaped cross section is formed.
This is to maintain the flow path of the contents. In this structure, as shown in FIGS. 6A and 6B, the bending direction of the hinge may be reversed. In this case as well, FIG.
As shown in FIG. 17 (a), the back surface is partially adhered and inserted into the inner surface of the pouch spout (210), and when the contents are to be poured out, the cross section is as shown in FIG. 17 (b). The channel (211) for the contents is maintained in a U-shaped three-dimensional structure.

Further, the pouring port member (1) of another embodiment is described.
00), as shown in FIGS. 7A and 7B, two slits (130) are formed corresponding to the inside from the upper position and the lower position of the left end and the right end, respectively. Two linear hinges (11) extending from the inner lower end of the two slits to the inner upper end of the two lower slits.
0) is formed, and one or a plurality of fitting protrusions (140) in the left-right direction extending between the two hinges are formed on the bent side surface, and the two hinges are bent to form a three-dimensional structure. And fitting recesses (150) fitted with both ends of the fitting projections (140) are provided on the outside via hinges. Then, as shown in FIG. 18A, the spout port member (100) is connected to the pouch spout port (210).
When the contents are to be poured out by partially bonding and inserting the back surface to the inner surface of the container, a three-dimensional structure having a U-shaped cross section is formed as shown in FIG. ) Is maintained.

Further, the pouring port member (1) of another embodiment is described.
00), as shown in FIGS. 8A and 8B, two linear hinges (110) are formed at the upper position and the lower position in parallel with each other in the vertical direction, and the two hinges at the upper position are formed. At the lower end of the hinge and the upper end of the two hinges at the lower position, two slits (13
0) are connected to each other, and one or a plurality of fitting protrusions (140) in the left-right direction extending between the two hinges in the upper position and the lower position are formed on the bent side surface, and a plurality of fitting protrusions (140) are formed in the upper and lower positions. When the hinge of the book is bent to form a three-dimensional structure, fitting concave portions (150) that fit with both ends of the fitting convex portion (140) are provided on the outside via the hinge. And the spout port member (100) is shown in FIG.
As shown in FIG. 9 (a), when the back surface is partially adhered and inserted into the inner surface of the spout (210) of the pouch, and the contents are poured out, as shown in FIG. 19 (b), The gutter-shaped three-dimensional structure is used to maintain the content flow path (211).

Further, the pouring port member (1) of another embodiment is described.
9), as shown in FIGS. 9A and 9B, three slits (130) are provided in the left end, the center, and the right end of the lower position, which are linearly arranged in the left-right direction. A linear hinge (110) extending from the center position in the left-right direction to the slit at the center is formed, and one or a plurality of fitting protrusions (140) are formed at one end of the bent side surface in the vertical direction. When the hinge is bent to form a three-dimensional structure, a fitting recess (150) that fits with the fitting projection (140) is provided at the other end. Then, as shown in FIG. 20 (a), the pouring port member (100) is partially adhered to the inner surface of the pouch outlet (210) with its back surface adhered and inserted, and the contents are discharged. 20B, an inverted T-shaped three-dimensional structure is formed as shown in FIG.
11) is to be maintained.

The pouring port member (1) according to another embodiment is also provided.
00), as shown in FIGS. 10A and 10B, a fitting portion (160) is provided at one of the left end and the right end so that the upper portion can be bent to form two slits (130). When a three-dimensional structure is formed by bending the upper portion with a slit, a fitting convex portion (140) with which the fitting portion gets over and fits is provided near the slit on the side surface where the screw is bent. And the pouring port member (100) is as shown in FIG.
As shown in FIG. 21 (a), the back surface is partially adhered to the inner surface of the spout (210) of the pouch, and when the contents are to be poured out, as shown in FIG. The cross-sectional three-dimensional structure is used to maintain the content flow path (211).

The pouring port member (1) of another embodiment is also provided.
00), as shown in FIGS. 11 (a) and 11 (b), two upper and lower horizontal slits (130) are formed corresponding to substantially the center position in the vertical direction, and these two slits are formed. At the left end, the center and the right end, three parallel linear hinges (170) in the vertical direction are formed by providing concave grooves from the back surface, and extend from the upper end to the upper slit and from the lower end to the lower slit. And two lower linear hinges (110) are formed by providing a concave groove from the surface at substantially the center position in the left-right direction, and the hinge is bent so that the upper and lower cross-sections are rectangular and the center is prismatic. When the three-dimensional structure is adopted, the fitting convex part (140) on the bent side surface and the fitting concave part (150) that fits via the hinge are provided in the upper hinge and / or the lower hinge. One pair or up and down on hinge It is obtained by a plurality of sets countercurrent. Then, as shown in FIG. 22 (a), the pouring port member (100) is partially adhered to the inner surface of the pouch pouring port (210) with its back surface being inserted, and the content is discharged. Figure 2
As shown in FIG. 1 (b), the upper and lower cross-sections are shaped like a rectangle, and the center is formed into a prismatic three-dimensional structure, and the flow path (21)
1) is to be maintained. In addition, the hinge mentioned above is
It has a V-shaped or trapezoidal concave groove on one side to make it thin and bendable.

The pouch (200) of the present invention is usually composed of a stretched polyester film layer / polyethylene layer structure, a stretched polyester film layer / unstretched polypropylene film layer structure, a nylon film layer / polyethylene layer structure, a nylon film layer / polyethylene layer structure. Unstretched polypropylene film layer structure, nylon film layer / aluminum foil layer / polyethylene layer structure, nylon film layer / aluminum foil layer / unstretched polypropylene film layer structure, stretched polyester film layer / stretched nylon film layer / polyethylene layer structure, stretched polyester Film layer / stretched nylon film layer / unstretched polypropylene film layer, polyethylene terephthalate film layer (deposited layer)
A transparent or opaque laminated film such as a / stretched nylon film layer / linear low-density polyethylene film layer structure is superposed on the front and back sides, and the periphery thereof is heat-sealed as shown in FIG. 1 to FIG. It is manufactured by providing a seal portion (201) by a heat fusion method such as the above.
The above-mentioned vapor deposition layer is a metal vapor deposition layer of aluminum or the like, or an inorganic compound vapor deposition layer of silicon oxide or alumina. Depending on the purpose of use, a single-layer film may be used without being limited to a laminated film. The outlet (21
0) usually forms a notch (212) for opening, and the form of the pouch may be a commonly known flat pouch which does not stand alone or a standing pouch which stands by providing a bottom member at the bottom.

Next, the operation of discharging the contents from the pouch with the discharging port member of the present invention will be described with reference to FIG.
This will be described with reference to FIGS. 1C and 12B. First,
The tip end seal portion of the spout portion (210) shown in FIG. 1A is torn from the notch (212) with a finger or cut and removed with scissors or the like to open the spout. Next, the spout (210)
As shown in FIG. 12 (b), the left and right seal portions (201) are grasped with fingers and the pouring member (100) is hinged (1).
10) is bent into a U-shaped cross section. By this operation, the side surface of the spout member that is not bonded to the spout rises, pushes up the film on the other surface of the spout portion, and the spout is opened. And if you proceed with the bending operation further,
As shown in FIG. 1 (c), the fitting projection (140) and the fitting recess (150) of the pouring port member (100) are fitted,
The bending operation is completed in a state where the pouring port member (100) has a rectangular shape in cross section. By the fitting of the fitting projection (140) and the fitting recess (150), as shown in FIG. 12B, the pouring port member (100) is maintained in the assembled state. The opening state of the outlet is also the channel (211)
Is maintained. The contents are discharged from the spout in the open state.

FIG. 13 shows another embodiment.
22 (b) to FIG. 22 (b), similarly, the spout port member (100) is bent, and the fitting protrusion and the fitting recess, the fitting protrusion and the fitting protrusion, and the fitting portion are formed. By maintaining the assembled state of the spouting port member by fitting the fitting projection with the fitting projection, the flow path (211)
By opening the spout and maintaining this open state, the contents can be taken out satisfactorily.

Further, in order to make it easy to bend in a predetermined direction at the time of use, the outer edge or the whole of the bent portion of the pouring member to be inserted into the spout of the pouch is inclined at a predetermined angle in the bending direction. Is also good.

When the spout port member to be inserted into the spout port of the pouch has a three-dimensional structure, the state of the spout port member can be visually checked from the outside of the pouch. At least one side of the synthetic resin film may be transparent or translucent. When a gas barrier property is required for the pouch, a transparent or translucent inorganic compound vapor deposition layer such as aluminum or silica can be provided in the constituent layers of the laminated film of the base material. No aluminum foil layer, aluminum evaporation layer, etc. are provided. Normally, a printed layer should not be provided on the entire pouch spout or on a portion corresponding to the entire or a part of the unsealing maintaining member.

The pouch with a spout port member according to the present invention in which the spout port member of the above-described embodiment is inserted into the spout portion,
The efficiency of accumulation during distribution and storage was good, and there was no trouble relating to the transport of the pouch on the content filling machine, and the filling efficiency was good. Also, the tip of the spout opening of the pouch filled with the contents is cut and opened, and the spout opening member is finger-fed from the outside of the pouch, the hinge is bent, and the fitting protrusion is fitted into the fitting recess or fitted. The convex part is fitted to the fitting convex part, or the upper part is screwed with a slit to fit the fitting part to the fitting convex part,
I tried to pour out the contents by making the pouring port member a three-dimensional structure,
The three-dimensional structure of the mouth member was easy, and the contents were well poured out even with high viscosity contents.

Further, the present invention is not limited to the above-described embodiment, and the structure of the pouring port member is a synthetic resin having a flat plate shape and rigidity, and can be bent and maintained in a bent state. Any structure may be used as long as it has a fitting function to be able to be inserted into the spout of the pouch. The dimensions are
The width can be set freely according to the spout, the height can be within the dimension range of the spout, or the length of the pouch can be extended beyond the size of the spout. The lower part of the spout port member may be inserted into the pouch body when inserted into the outlet. Further, in the above-described embodiment, the hinge or the slit is given as a bending means provided on the pouring port member. In addition, other means such as a perforated line and a half-cut line can be adopted, and the material and thickness of the pouring port member can be adopted. By selecting such a structure, it is possible to use the bending means without straining the special structure. here,
In the drawings of the above embodiment, the position of the concave groove forming the hinge (front side or back side) can be arbitrarily set without being limited to the position in the drawing.

Also, the spout formed in the pouch may be formed to protrude obliquely to the corner of the pouch as in the above-described embodiment, or may be protruded upward to the upper corner or upper center of the pouch. Alternatively, the pouch may be laterally protruded from a side corner, a center of the side, or a lower side of the pouch.

Further, a recess which swells in the direction of the surface of the pouch for accommodating the spout member can be formed in the spout port of the pouch. This depression is equal to or larger than the outer peripheral shape of the pouring member in one or both of the front and back films of the pouch (preferably, the film on the side where the pouring port member is placed when manufacturing the pouch of the present invention). The spout member is large enough to accommodate the spout member, and has a depth equal to or greater than or less than the thickness of the spout member.

[0042]

According to the pouch with a spouting port member of the present invention, the spouting portion into which the spouting port member is inserted is also flat as in the case of the packaging bag body. There is no trouble in transporting the pouch on the content filling machine.

Further, the pouch with the spout port member of the present invention filled with the contents allows the pouring port member to be easily formed into a three-dimensional structure from outside by a finger when the contents are poured. Since the pouring port member of this three-dimensional structure keeps the pouring port in an open state, the content is easy to pour, and even a high-viscosity content is easy to pour.

Further, the outer edge or the entirety of the bent portion of the spout port member is inclined so that the spout port member to be inserted into the spout section can be easily bent in a predetermined direction. The spout port member to be inserted into the spout section may be made visible from the outside of the pouch.

[Brief description of the drawings]

FIG. 1A is an explanatory view showing a state in which a pouring port member according to an embodiment of the present invention is inserted into a pouring port of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 2A is an explanatory view showing a state in which a spouting member according to another embodiment of the present invention is inserted into a spout of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 3A is an explanatory view showing a state in which a spouting port member according to another embodiment of the present invention is inserted into a spout of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 4 (a) is an explanatory view showing a state in which a pouring port member according to another embodiment of the present invention is inserted into a pouring port of a pouch. (B) is a perspective view showing a main part of the pouring port member, (c) is a perspective view showing a state when the pouch is inserted into a spout section, and (d) is a perspective view. It is a perspective view which shows the state at the time of making it a three-dimensional structure.

FIG. 5 (a) is an explanatory view showing a state in which a pouring port member according to another embodiment of the present invention is inserted into a pouring port of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 6A is an explanatory view showing a state in which a spouting port member according to another embodiment of the present invention is inserted into a spout of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 7A is an explanatory view showing a state in which a spouting member according to another embodiment of the present invention is inserted into a spout of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 8A is an explanatory view showing a state in which a spouting member according to another embodiment of the present invention is inserted into a spout of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 9 (a) is an explanatory view showing a state in which a pouring port member according to another embodiment of the present invention is inserted into a pouring port of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 10A is an explanatory view showing a state in which a spouting port member according to another embodiment of the present invention is inserted into a spout of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 11 (a) is an explanatory view showing a state in which a pouring port member according to another embodiment of the present invention is inserted into a pouring port of a pouch. (B) is a perspective view showing a main part of the pouring port member, and (c) is a perspective view showing a state when a three-dimensional structure is formed.

FIG. 12A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 1A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

13A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 2A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

14A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 3A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

FIG. 15A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 4A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

16A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 5A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

FIG. 17A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 6A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

18A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 7A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

19A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 8A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

20A is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 9A is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

21 (a) is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 10 (a) is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

22 (a) is an explanatory view showing a state of a spout portion into which the spout member shown in FIG. 11 (a) is inserted, and FIG.
FIG. 4 is an explanatory view showing a state when the pouring port member has a three-dimensional structure.

[Explanation of symbols]

 100 Spouting port members 110, 120, 170 Hinge 130 Slit 140 Fitting projection 150 Fitting recess 160 Fitting part 200 Pouch 201 Seal part 210 … Inlet part 211… Flow path 212… Notch

Claims (13)

[Claims] 1. A flexible pouch made of a synthetic resin film having a protruding spout and having a spout which is cut off at the end when used to form a spout. By inserting a spout port member made of a synthetic resin having rigidity and having a fitting mechanism capable of being bent and maintaining the bent state, the pouring port member is bent so that the pouring is performed. A pouch with a spout port member, characterized in that the spout of the outlet portion can be maintained in a tubular shape. 2. The spouting port member has a linear hinge extending from an upper end to a lower end substantially at the center in the left-right direction,
When the hinge is bent to form a three-dimensional structure having a rectangular shape in cross section, one set or a plurality of sets of fitting recesses fitted on the bent side surfaces and fitting recesses fitted through the hinges are provided. The pouch with an outlet member for pouring according to claim 1, characterized in that: 3. The spout port member is formed by forming two linear hinges extending from an upper end to a lower end in parallel, and a left-right fitting convex portion extending between the two hinges is bent and one is provided on a side surface. Or, when the two hinges are formed into a three-dimensional structure having a U-shaped cross section by forming a plurality of them in a vertical direction, a fitting concave portion that fits with both ends of the fitting convex portion is formed on the outside through the hinge. The pouch with a spout member according to claim 1, wherein the pouch is provided with a spout. 4. When the pouring port member is formed by forming two linear hinges extending in parallel from the upper end to the lower end in parallel, and bending the two hinges into a triangular cylindrical three-dimensional structure, 2. A pouch with a spout member according to claim 1, wherein one or a plurality of sets of fitting projections and fitting recesses to be fitted are provided at the corresponding left and right ends, respectively. 5. The spout port member is formed by forming two left and right linear hinges extending from an upper end to a lower end and a central rectangular hinge in parallel, and bending the central hinge to form a flat plate. When the center hinge is opened and the left and right two hinges are bent to form a square tubular three-dimensional structure, a fitting convex portion and a fitting concave portion that fit each other are formed. 2. A pouch with a spout member according to claim 1, wherein one set or a plurality of sets are provided at the corresponding left and right ends in the vertical direction. 6. The spout port member has two slits corresponding to the inside from the lower position of the left end and the right end, respectively, and two linear slits extending from the upper end to the inner upper end of the two slits. Is formed, and one or a plurality of fitting protrusions in the left-right direction extending between the two hinges are formed on the bent side, and the two hinges are bent to form a three-dimensional structure having a U-shaped cross section. 2. The pouch with a spout member according to claim 1, wherein, when doing so, fitting recesses for fitting with both ends of the fitting projections are provided on the outside via hinges. 7. The spout port member is formed with two slits corresponding to the inside from the upper position and the lower position of the left end and the right end, respectively, from the inner lower end of the two slits at the upper position. Forming two linear hinges extending over the inner upper ends of the two slits at the lower position, forming one or a plurality of fitting projections in the left-right direction extending between the two hinges on the bent side surface in the vertical direction, When the two hinges are bent to form a three-dimensional structure having a U-shaped cross section, fitting concave portions that fit with both ends of the fitting convex portions are provided on the outside via the hinges. The pouch with a spout member according to claim 1. 8. The spout port member forms two linear hinges parallel to each other in an up-down direction at an upper position and a lower position, and lower ends of the two hinges at the upper position and the lower position. Two slits of a similar shape and wider than the two hinges are respectively connected to the upper ends of the two hinges, and the right and left fitting protrusions extending between the two hinges at the upper position and the lower position. One part or a plurality of parts are formed on the bent side surface in the vertical direction, and when the two hinges at the upper position and the lower position are bent to form a gutter-shaped three-dimensional structure, they are fitted with both ends of the fitting convex portion. 2. The pouch with a spouting port member according to claim 1, wherein the fitting recesses are provided on the outside via a hinge. 9. The spout port member is provided with three slits arranged in a left-right direction, a center portion, and a right end portion at a lower position in a straight line in the left-right direction. A straight hinge that spans the slit is formed, and one or a plurality of fitting protrusions are formed in one of the edges of the bent side surface in the vertical direction, and the hinge is bent to form an inverted T-shaped three-dimensional structure. The pouch with a spout port member according to claim 1, wherein a fitting concave portion that fits with the fitting convex portion is provided on the other end portion when the fitting is performed. 10. The spouting port member has two slits formed by providing a fitting portion at one of the left end and the right end so that the upper portion can be bent, and the upper portion is screwed by the slit to cross up and down. 2. A pouch with a spout port member according to claim 1, wherein a fitting projection to which said fitting portion goes over and fits is provided near the slit on the thread bending side when a three-dimensional structure is formed. . 11. The pouring port member has two upper and lower left-right slits corresponding to substantially the center in the up-down direction, and at the left end, the center and the right end between the two slits. Three linear hinges parallel to each other in the vertical direction are formed by providing concave grooves from the back surface, and two upper and lower linear hinges extending from the upper end to the upper slit and from the lower end to the lower slit are formed. A concave groove is formed from the surface at a substantially central position in the left-right direction, and when the hinge is bent to form an upper and lower cross section in a rectangular shape and the center is formed into a prismatic three-dimensional structure, a fitting protrusion on a bent side surface is formed. A set and / or a plurality of sets of fitting recesses that fit into the upper hinge and the lower hinge or one of the hinges are provided in the upper and lower hinges. Pour with spout port member described in 1. Ji. 12. The pouch with a spout port member according to claim 1, wherein the outer edge or the entirety of the bent portion of the spout member is inclined at a predetermined angle in the bending direction. . 13. A pouch according to claim 1, wherein at least one side of the synthetic resin film on the front and back of the spout is made transparent or translucent so that the inserted spouting member can be viewed from the outside of the pouch. 13. A pouch with a spout member according to any one of claims 12 to 12.