JP2007217052A - Packaging bag having spout - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging bag having a spout which improves the barrier properties and the hygienic properties of a content in the packaging bag, and at the same time, easily and surely opens a partitioning means between a plurality of divided chambers, prevents a wrong use by an unmixed state from occurring, and also, can prevent the content from leaking by pinholes which are easy to occur at the attached section of the spout. <P>SOLUTION: A laminated film at least the internal layer of which is made of a resin having heat-sealability is made to face each other, and stacked, and the peripheral edge sections are heat-sealed to form peripheral edge sealed sections 15 and 16. Then, a spout 9 consisting of a plastic injection-molded article is fixed between the internal layers of a housing section 5 for this packaging bag 1 having the spout. In the packaging bag 1 having the spout, an isolation sealed section 20 which isolates the spout 9 from the housing section 5 of the packaging bag is formed. The isolation sealed section 20 consists of a weak sealed section, and also, in a vicinity of the fixing section of the spout 9, a vacant chamber 22 which is surrounded by a peripheral edge sealed section 23 and the isolation sealed section 20 is provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a packaging bag with a dispensing tool, and more particularly, a packaging bag with a dispensing tool that provides gas barrier properties and pinhole resistance of the contents to be stored and that allows easy communication of a plurality of storage chambers. About.

Conventionally, a bag body with a pouring tool in which a pouring tool is provided on a bag body using a synthetic resin film is widely known.
In the packaging bag with the dispensing device, liquid or jelly-like juice, coffee, tea, coffee drinks, milk, health drinks, infusion solutions, seasonings, oils, etc. are stored as contents. It is commercially available.
Among the contents stored in the above-described packaging bag with a pourer, for example, a pouch with a pourer that stores a content that is easily oxidized or browned by oxygen, such as a beverage containing a substance such as vitamin C. In general, a packaging bag composed of a laminated film using an aluminum foil or the like is used, and it can be stored for a long period of time by protecting a substance that is easily oxidized or browned by oxygen.
As a conventional packaging bag with a pouring tool, a barrier base material provided with an inorganic oxide vapor-deposited film and a gas barrier coating film on one surface of a base film, a light blocking layer, and a heat sealable resin layer There has been proposed a packaging bag with a pouring tool provided with a barrier property composed of a laminated material obtained by sequentially laminating these three layers (for example, see Patent Document 1).

Further, as a conventional packaging bag with a dispensing tool, a bag made of a film made of a thermoplastic resin, a plurality of compartments in which liquid agents of different components are accommodated, and one of the plurality of compartments communicated with the different components. In the medical container in which a discharge port for discharging a liquid mixture of liquid agents is formed, the plurality of compartments are partitioned liquid-tightly by a partitioning means, and a closing means is provided between the discharge port and the compartments communicating with the discharge port. The partition means and the closing means are released by an internal pressure generated by pressing at least a part of the outer surface of the bag body, and the closing means has an internal pressure for releasing the partition means. A medical container characterized by being released with an internal pressure equal to or higher than that has been proposed (for example, see Patent Document 2).
JP 2003-276773 A JP-A-9-327498

However, in the packaging bag with the pouring tool of Patent Document 1, since the gas barrier property such as oxygen is not given to the pouring tool itself, the content in the packaging bag is oxidized and deteriorated from the portion of the pouring tool. There was a point.
Moreover, in the packaging bag with the extraction tool of patent document 2, although the partition means between several compartments and the closing means between the discharge port and the compartment connected to the discharge port are both formed by heat sealing. When the same thermoplastic resin film layers are heat-sealed with a heat seal bar, since the fluctuation width of the surface temperature is large in continuous operation of the heat seal device, the closing means is equal to or more than the partition means. There is a problem that it is substantially difficult in design to maintain and control the surface temperature of the heat seal bar so that the heat seal strength is as follows.
Moreover, in the conventional packaging bag with a pouring tool, as shown in FIGS. 7 and 8, the pouring tool 9 has a three-dimensional shape bent so that the flat packaging bag is bent to fix the pouring tool. 24 has a problem that pinholes are easily generated, and the contents may be leaked due to an external impact in the distribution process, particularly during transportation at a low temperature.

  The object of the present invention is to improve the barrier property and hygiene of the contents in the packaging bag, to easily and reliably open the partition means between the plurality of compartments, to prevent misuse due to unmixing, and to It aims at providing the packaging bag with the extraction tool which can prevent the leakage of the content by the pinhole which is easy to generate | occur | produce in the attaching part of an extraction tool.

  The inventor has conducted various studies to solve the above-described problems, and as a result, the packaging bag with a pour tool according to the present invention has a single-layer film made of a resin having heat-sealability, or at least an inner layer. A laminated film made of a resin having heat-sealability is laminated with the inner layer surfaces facing each other, and the peripheral edge portion is heat-sealed to form a peripheral seal portion. In a packaging bag with a pouring tool, in which a pouring tool made of a plastic injection molded product is fixed by heat sealing between the inner layers of the heat sealing section, an isolation seal portion that separates the pouring tool and the storage portion of the packaging bag The isolation seal part is composed of a weak seal part that is peeled at least partially when the inside of the adjacent storage part is pressurized, and in the vicinity of the fixing part of the extraction tool. A dispensing member equipped packaging bag characterized in that it comprises an air chamber enclosed by a peripheral seal portion and the isolation seal.

  In the packaging bag with an extraction tool according to the present invention, the laminated film constituting the packaging bag has a barrier layer.

  Further, when the storage portion of the packaging bag includes a plurality of storage chambers in which the contents of a plurality of different components are stored by the partition seal portion, the partition seal portion pressurizes the inside of the adjacent storage portion. It is a packaging bag with a pour-out tool characterized by comprising a weak seal part from which at least a part is peeled off.

  Moreover, it is a packaging bag with the extraction tool characterized by the shape of the said isolation | separation seal | sticker part being a convex shape with respect to the said empty room.

  Further, when the storage portion of the packaging bag includes a plurality of storage chambers in which the contents of a plurality of different components are stored by the partition seal portion, the partition seal portion pressurizes the inside of the adjacent storage portion. In a packaging bag with a pour tool comprising at least a part of a weakly sealed portion, the shape of the sectioned seal portion has at least one convex shape with respect to one storage portion. It is a packaging bag.

  Moreover, the said extraction tool is comprised so that the part which exists in the outer side of the said packaging bag may be coat | covered with a bag-like body, It is a packaging bag with an extraction tool characterized by the above-mentioned.

  In addition, the device for pouring out the contents of the packaging bag is housed in the bag-like body in a state where it is joined to the tip of the pouring device. It is a packaging bag.

  The packaging bag with a pouring tool of the present invention can prevent the contents from leaking out from the pinhole of the packaging bag that is likely to occur in the mounting portion of the pouring tool by adopting the above configuration. Even if a non-barrier pouch is used to make up a pouch with a pouch, the contents in the pouch are prevented from oxidation and discoloration, and the storage stability of the pouch is excellent. In the case of a packaging bag with a dispensing tool that is stored in multiple chambers partitioned by weak seals, the classification seal is not unmixed and is not discharged from the spout in the distribution process. After the parts are opened and mixed with multiple contents, the isolation seal part is opened, and it is possible to circulate with a tube or other instrument connected to the tip of the dispensing tool. Infection, instrument powder In addition, if necessary, it is possible to connect a pouring tool to a plurality of storage chambers, attach an instrument to each pouring tool, and discharge the contents in each storage chamber with a time lag. There is an effect that can be done.

  FIG. 1 is a plan view showing an embodiment of a packaging bag with an extraction tool according to the present invention, FIG. 2 is a plan view showing a second embodiment of the packaging bag with an extraction tool according to the present invention, and FIG. FIG. 4 is a plan view showing an embodiment of a packaging bag with a pour tool according to the invention, FIG. 4 is a view showing an example of the shape of a section seal part according to the present invention, and FIG. 5 is a packaging bag with a pour tool according to the present invention. FIG. 6 is a plan view showing an embodiment of a packaging bag with a dispensing tool according to the present invention.

As shown in FIG. 1, the packaging bag 1 with the dispensing tool according to the present invention is formed by stacking the inner layer surfaces of the single layer film or the laminated film facing each other, and heat-sealing the peripheral portion to form the storage portion 5. The pouch 9 is sandwiched between the corners of the packaging bag and fixed by heat sealing, and an isolation seal 20 is formed to separate the pouch 9 from the packaging bag storage 5. In the vicinity of the adhering portion, a vacant chamber 22 surrounded by a peripheral seal portion and an isolation seal portion 20 is provided.
The isolation seal part 20 separates the storage part 5 from the spout, and at least a part of the storage part 5 is peeled off when the inside of the storage part 5 adjacent to the spout is pressurized, so that the contents of the storage part can be easily spouted. It is necessary to consist of a weak seal part for discharging from the.
Further, it is necessary for the isolation seal portion 20 to be formed inside the peripheral seal portion made of a strong seal portion in order to withstand external impacts during the distribution process. It is not preferable to form the isolation seal portion 20 up to the peripheral edge without forming the peripheral seal portion consisting of the strong seal portion outside the isolation seal portion 20 because there is a risk of leakage in the distribution process.
In addition, you may provide the opening hole 4 for a handle for hanging on a hook at the corner | angular part diagonally with the extraction tool fixed part of a packaging bag.
Moreover, although not shown in figure, the packaging bag main body which comprises the packaging bag 1 with a extraction tool may be bag-made from a tubular film.
Moreover, the sticking position of the pouring tool is not limited to the corner, and may be the center position of the lower side. And, as shown in FIG. 2, in the case of a self-supporting bag body with the side opposite to the fixing position of the pouring tool, the tube is stably inserted from the spout after opening the spout. It is convenient because the contents can be easily sucked and discharged from the tube by a pump or the like.
Further, the shape of the isolation seal portion 20 may be either linear or curved, but if it is a convex shape with respect to the contents side, the internal pressure is concentrated at one point, so that it is easier to be opened, and the contents side On the other hand, when the shape is concave, it is difficult to be released from the isolation seal portion 20 due to an external impact during the distribution process, and the linear shape is intermediate between the two. For this reason, the seal shape of the isolation seal part 20 can be designed according to the transport conditions of the package, the capacity of the contents, and other physical conditions.
Further, when the contents are taken out from the spout, this is achieved by picking the storage part 5 from both sides and pulling it or pressing it by hand to open the isolation seal part 20.
The packaging bag 1 with the pouring tool of the present invention is configured as described above, so that it is difficult to peel off from the isolation seal part 20 due to external impact and pressure in the distribution process. 5 is isolated by the isolation seal portion 20, it is possible to prevent the occurrence of pinholes due to bending fatigue in the attaching portion of the pouring tool.
Furthermore, when the laminated film which comprises the packaging bag 1 with the extraction tool of this invention has a barrier property, even if the extraction tool 9 itself does not have a barrier property, the extraction device 9 and the accommodating part 5 are the isolation seal part 20. Therefore, oxygen can be prevented from entering the storage portion 5 from the portion of the pouring tool 9, and in particular, the storage stability of contents containing substances that are easily oxidized or discolored by oxygen gas. It is excellent.

As shown in FIG. 3, the bag body 1 with the dispensing tool according to the present invention is formed by stacking the inner layer surfaces of the single layer film or the laminated film facing each other, and heat-sealing the peripheral portion to form the storage portion 5. Furthermore, a plurality of storage parts 5 are provided by the division seal part 18, and the pouring tool 9 is sandwiched and fixed by heat sealing at the center of the lower side of the packaging bag. Further, the pouring tool 9 and the packaging bag storage part 5 An isolation seal portion 20 is formed, and an empty chamber 22 surrounded by the peripheral seal portion and the isolation seal portion 20 is provided in the vicinity of the fixing portion of the pouring tool 9.
Further, as shown in FIG. 3, for the inner dimensions of each storage chamber 5, it is preferable that the distance L from the tip of the convex portion of the partition portion 18 to the peripheral seal portion is longer than the width W of the storage chamber 5. This can prevent the division seal portion 18 from being opened during the distribution process.
Further, in the distribution process, it is difficult to peel off from the isolation seal portion 20 due to external impact and pressure, and the attachment portion of the extraction tool and the lower storage portion 5 are isolated by the isolation seal portion 20. When the laminated film constituting the packaging bag 1 with the pouring tool has a barrier property, the pouring tool 9 itself does not have the barrier property. However, since the pouring tool 9 and the lower storage part 5 are separated by the isolation seal part 20, it is possible to prevent oxygen from entering the storage part 5 from the part of the pouring tool 9, especially by oxygen gas. This is preferable because the storage stability of the contents containing a substance that easily oxidizes or discolors is excellent.

FIG. 4 is a view showing an example of the shape of the section seal portion 18 according to the present invention.
The division seal portion 18 separates and stores the contents of the upper storage portion and the contents of the lower storage portion, and at least part of the contents is peeled off when the upper storage portion is pressurized, and the upper storage portion is stored. It is necessary to consist of a weak seal part for easily mixing the contents of the part and the contents of the lower storage part.
As shown to Fig.4 (a), the shape of the division | segmentation seal | sticker part 18 which concerns on this invention should just form at least one convex shape with respect to one accommodating part, and the shape of a convex shape is as follows. It may be linear or curved.
By forming the shape of the division seal portion 18 according to the present invention at least one convex shape with respect to one storage portion, the internal pressure with respect to the storage portion is concentrated on the division seal portion, so that the division seal portion is opened more. It is preferable in that it becomes easy.
Moreover, as shown in FIG.4 (b), the shape of the division | segmentation seal | sticker part 18 which concerns on this invention may form multiple convex shapes, and as shown in FIG.4 (c), a convex shape is made into a curvilinear shape. It may be formed, or as shown in FIG. 4D, a convex shape combining a linear shape and a curved shape may be formed.
In the above, if the shape of the section seal portion 18 is convex with respect to the storage portion 5 on the side discharged from the spout, the upper storage portion 5 is easily opened by external pressure, so that the contents are easily mixed. Moreover, since the isolation seal part is opened after the division seal part 18 is opened and the contents are mixed, it is preferable in that a plurality of components are mixed and discharged from the spout.

FIG. 5 is a plan view showing an embodiment of a packaging bag with a dispensing tool according to the present invention.
As shown in FIG. 5, the packaging bag 1 with the extraction tool according to the present invention includes a lower extraction tool 9, a storage packaging bag, and a bag-like body among the extraction tools constituting the packaging bag with the extraction tool of FIG. 3. 2.
The bag-like body 2 constituting the packaging bag 1 with the dispensing tool according to the present invention is configured by heat-sealing the peripheral portion of the laminated film with at least the inner layer facing each other with the surfaces of the inner layers facing each other. It is also possible to use a barrier layer laminated on an intermediate layer.
In addition, although not shown in figure, as a film which comprises the packaging bag 1 and the bag-like body 2, you may use the tubular film of a single layer or a co-extrusion.
The bag-like body 2 is used for covering the entire medical device such as the dropping portion 11 connected using the tube 12 and for heat-sealing it between the films of the lower side seal portion of the packaging bag to which the pouring tool is fixed. Is.
In addition, when the notch 3 for opening is provided in the heat seal part of the bag-shaped body 2 which concerns on this invention, since the bag-shaped body 2 can be opened without using instruments, such as a bag, it is convenient.
By adopting the above configuration, the packaging bag 1 with the dispensing tool according to the present invention is excellent in hygiene by preventing contamination of the dispensing tool 9 during transportation, and can prevent forgetting to connect the medical device to the dispensing tool 9. It is excellent in terms of preventing contamination when connecting medical devices in the field such as disaster sites, etc., for example, a device that prevents contents from entering the medical device during transportation, such as a pinch cock, becomes unnecessary, By providing barrier properties to the laminated film constituting the packaging bag, oxygen can be completely shut off from the outside, and it is economical that it is not necessary to enclose the oxygen scavenger in the bag-like body 2. Have.

FIG. 6 is a plan view showing an embodiment of a packaging bag with a dispensing tool according to the present invention.
As shown in FIG. 6, the bag body 1 with the extraction tool according to the present invention may have a configuration in which a plurality of extraction tools 9 are fixed to the separate storage portions 5 by heat sealing by means of the division seal 18 and the partition seal portion 14. .
By adopting the above configuration, the contents of each storage unit are stored separately, and at least part of the contents is peeled off when the inside of the storage unit is pressurized, and the contents of the upper storage unit and the lower storage unit It is possible to drop the contents separately from the plurality of extraction tools 9 by connecting the plurality of extraction tools 9 using the tube 12 and the fitting portion 13. The packaging bag 1 with a dispensing tool can be produced.
And the bag body 1 with the extraction tool which concerns on this invention has the isolation seal | sticker part 20 (weak seal) formed between each extraction tool 9 and the accommodating part 5, and the isolation | separation seal | sticker part 20 and the fixed part of the extraction tool 9 of the isolation | separation part It is necessary to have a configuration including an empty chamber 22 surrounded by the peripheral seal portion and the isolation seal portion 20 in the vicinity.
By adopting the above configuration, it is possible to separate the storage portion 5 from the spout,
By pressurizing the inside of the storage part 5, a part of the isolation seal part 20 is peeled off, and the mixed contents can be easily discharged from the spout.
Although not shown, it is possible to cover the pouring tool 9 attached to each of the plurality of storage parts 5 with different bag-like bodies 2, and further, the tip of the pouring tool 9 is placed in the separate bag-like bodies 2. Moreover, it is also possible to store in the state which joined the instruments for pouring out the contents of the storage part 5. FIG.

The present invention will be described in more detail below.
First, in the above-mentioned present invention, as the resin having heat sealing properties used as the inner layer of the pouch 1 with the dispensing tool, it is melted by heat and fused to each other, and depending on the heat sealing conditions (temperature, pressure, time), There is no particular limitation as long as the strong seal and the weak seal can be controlled.
As a resin having heat sealability, for example, a film formed from a resin obtained by adding an elastomer to a polypropylene resin, an easy peel sealant film made of a special polymer alloy of polyethylene, polypropylene, and polystyrene, and heat sealability as an outer layer A co-pressed film co-pressed film or the like comprising a layer and a thin film of a heat seal layer having an easy peel property as the inner layer can be used.
The film formed from the above-mentioned polypropylene resin added with an elastomer is the slope of the seal curve with the horizontal axis representing the sealing temperature and the vertical axis representing the sealing strength under the conditions that the sealing conditions of sealing pressure and sealing time are constant. Therefore, it is preferable as a resin that can easily control a strong seal and a weak seal.
Films composed of the above-mentioned special polymer alloys are preferred because they can easily control strong and weak seals by controlling the sealing temperature and pressure because the adhesive / non-adhesive resin is micro-dispersed. .
The co-pressed film consisting of the heat-sealable layer as the outer layer and the heat-sealable thin film having the easy-peel property as the inner layer has a sealing temperature at which the easy-peel heat-seal layer is sufficiently melted by heat. By applying the sealing pressure at the heat seal layer, the easy peel heat seal layer made of a thin film flows, and the heat seal layer outside the easy peel heat seal layer is exposed to reduce the heat seal pressure. Since the applied part becomes a strong seal, it is preferable because it is a resin that can easily control a strong seal and a weak seal.
The thickness of the heat seal layer can be 15 μm to 300 μm.
As the gas barrier single film, a sheet or a tubular film obtained by forming a resin such as ethylene-vinyl alcohol copolymer or polyacrylonitrile can be used, and the thickness is suitably 30 to 300 μm. .

In addition, as a synthetic resin film used as an outer layer constituting the packaging bag 1 and the bag-like body 2, since it becomes a basic material constituting the packaging bag, it has excellent properties in mechanical, physical, chemical, etc. For example, a polyester resin, a polyamide resin, a polypropylene resin, a polycarbonate resin, a polyacetal resin, or the like can be used.
In addition, as a film using these resins, any of an unstretched film or a stretched film stretched in a uniaxial direction or a biaxial direction can be used. As long as the strength, rigidity, etc. can be kept to the minimum necessary, a thickness of about 12 μm to 25 μm can be used.
If the film thickness is too thick, there is a disadvantage that the cost increases. If the film thickness is too thin, strength, rigidity and the like are lowered, which is not preferable.
The synthetic resin film used as the outer layer may be a film coated with polyvinylidene chloride or an inorganic vapor deposition layer such as aluminum, silicon oxide, aluminum oxide, indium oxide, tin oxide or zirconium oxide, if necessary. You may use the film which added the barrier property using the film in which this was formed.
Moreover, the synthetic resin film used as the outer layer may be printed on the front or back surface of the synthetic resin film. In this case, a stretched film stretched in a uniaxial direction or a biaxial direction from the viewpoint of printability. Is preferably used.
In addition, as an outer layer of the laminated film used for the bag-like body 2, when a part of the bag-like body 2 is sandwiched between the films on the inner layer side of the bag-like body 1 with the pouring tool and heat sealed, the bag body 1 with the pouring tool is used. It is necessary to have heat sealability with the inner layer.

Furthermore, in this invention, an intermediate | middle layer can be provided between the outer layer and inner layer which comprise the packaging bag 1 and the bag-like body 2. FIG.
The intermediate layer is provided when a new function is added to the outer layer and the inner layer.
The functions of the intermediate layer include gas barrier properties, mechanical toughness, flex resistance, puncture resistance, impact resistance, wear resistance, cold resistance, heat resistance, chemical resistance, and the like.
Examples of the material used for the intermediate layer include metal foils such as aluminum, iron, copper, and tin, polyolefins such as polyethylene terephthalate, polyamide, polyethylene, and polypropylene, polyvinyl chloride, polycarbonate, polyvinyl alcohol, and ethylene-propylene. Films such as saponified polymers, ethylene-vinyl acetate copolymers, films coated with polyvinylidene chloride, films deposited with inorganic materials such as aluminum, silicon oxide, aluminum oxide, indium oxide, tin oxide, zirconium oxide Alternatively, one or more films such as polyvinylidene chloride can be used in combination.
As the thickness of the intermediate layer, it is possible to use a film thickness of about 5 μm to 100 μm.

The inner layer of the laminated film used for the bag-like body 2 can be a resin layer that can be melted by heat and fused to each other, and is not particularly limited as long as it is a resin that is heat-sealable with the pouring tool 9. Specifically, for example, low density polyethylene, medium density polyethylene, high density polyethylene, linear (linear) low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer resin, ethylene-acrylic acid copolymer Polyolefin resins such as polymers, ethylene-ethyl acrylate copolymers, ethylene-methacrylic acid copolymers, ethylene-methyl methacrylate copolymers, ethylene-propylene copolymers, methylpentene polymers, polybutene polymers, polyethylene or polypropylene Acrylic acid, methacrylic acid, maleic acid, maleic anhydride, Resins such as acid-modified polyolefin resins modified with unsaturated carboxylic acids such as oxalic acid and itaconic acid, malic acid and citric acid, polyvinyl acetate resins, poly (meth) acrylic resins, polyvinyl chloride resins and others A heat-meltable resin layer made of can be used.
In the present invention, among the resins as described above, a melt-extruded resin layer made of polyethylene resin is particularly preferable because of its excellent adhesion to the intermediate layer, and in particular, a linear (linear) low-density polyethylene resin layer. However, since it is excellent in low temperature heat sealability, low temperature hot sealability, biting heat sealability, etc., it has high-speed filling packaging suitability, there is no leakage of contents, etc., and it has a sufficient sealing strength, so it is more preferable. Is.
In the present invention, the thickness of the inner layer of the laminated film used for the bag-like body 2 is preferably about 10 μm to 150 μm, and more preferably about 15 μm to 80 μm.

  General additives for the above-mentioned resins include, for example, lubricants, crosslinking agents, antioxidants, ultraviolet absorbers, light stabilizers, fillers, antistatic agents, antiblocking agents, dyes, pigments and the like. An agent, etc. can be used, and a modifying resin or the like can also be used.

As a method of laminating the base material layer, the intermediate layer, and the inner layer of the bag body, it may be laminated by a T-die extrusion lamination method using a heat-adhesive resin, or a two-component curing type urethane-based adhesion. A laminate may be laminated by a dry laminating method using an agent, or a multilayer film formed by coextrusion may be used.
In the case of the T-die extrusion lamination method, an anchor coating agent can be used as necessary.
In particular, when the contents need to be sterilized by retort, laminating by the dry laminating method using the above-mentioned two-component curable urethane adhesive, or using a heat laminating using a modified polyolefin resin in combination. It is desirable.

As the form of the bag 1 with the pouring tool and the bag 2 of the present invention, a cylindrical type, a three-side seal type, a four-side seal type, a standing pouch, a gusset type, an envelope-attached seal type, a pillow type, etc. are used. Is not particularly limited.
Moreover, as a method of heat sealing, it can carry out by well-known methods, such as a bar seal, a rotary roll seal, a belt seal, an impulse seal, a high frequency seal, an ultrasonic seal, for example.
In addition, you may provide the V notch for opening, and I notch in the heat seal part of the bag-like body 2 as an easy-opening means.

In the present invention, the pouring tool 9 may be any one that can be melted by heat and heat-sealing resin used for the inner layer and can be fused to each other, and can be injection-molded. Depending on the resin used, it is necessary to select, for example, low density polyethylene, medium density polyethylene, high density polyethylene, linear (linear) low density polyethylene, polypropylene, ethylene-vinyl acetate copolymer, ionomer resin, ethylene- Use acrylic acid copolymer, ethylene-methyl acrylate copolymer, ethylene-methacrylic acid copolymer, ethylene-propylene copolymer, ethylene-vinyl alcohol copolymer, polyacrylonitrile, heat-sealable polyester, etc. Can do. The pouring tool 9 may be colored with a pigment or the like as necessary.
Furthermore, when the contents require heat and pressure sterilization, it is necessary to use a material that is not deformed as a molded product without being peeled off at the bonding portion with the pouch even by heat and pressure during sterilization of the contents.
Next, in the present invention, the pouring tool 9 can be formed by a known injection molding method. The thickness of the injection molded product is preferably 30 μm to 1500 μm.
Further, the form of the pouring tool 9 is not particularly limited, such as a tip notch method and a screw cap method. However, when connecting a tube to the tip of the pouring tool, an open type is used, and the outer surface of the spout conduit member is prevented from falling off. It is good to provide a level difference.

  The packaging bag 1 with a spout according to the present invention can be filled with, for example, food and drink, reagents, powder medicine, infusion, etc., and external oxygen, water vapor, etc. can be prevented from entering the bag, Even if the contents contain a substance that is easily oxidized or discolored by oxygen, it has excellent storage stability and can prevent the contents from leaking from the packaging bag. In the distribution process, the seal part is difficult to be opened due to external impact, and after separating the divided seal part without mixing and discharging a plurality of contents without discharging from the spout, the isolation seal part is opened, In addition, since it is possible to circulate with a tube or other device connected to the tip of the dispensing tool, it is possible to prevent forgetting to connect the device, incorrect connection, or loss of the device. Connect to each dispensing tool Install the ingredients, in which the contents of each storage chamber can be discharged with a time difference.

Next, the present invention will be described more specifically with reference to examples.
(Manufacture of packaging bag 1)
The packaging material constituting the bag body with the pouring tool according to the present invention comprises, from the outside, an outer layer made of a biaxially stretched polyethylene terephthalate film having a thickness of 12 μm and an intermediate layer made of a biaxially stretched polyamide film having a thickness of 15 μm (1 ), An intermediate layer (2) made of an aluminum foil having a thickness of 9 μm, and an inner layer made of an unstretched polypropylene film for high retort having a thickness of 60 μm via an adhesive (two-component curable urethane adhesive layer). Layer structure, biaxially stretched polyethylene terephthalate film (12 μm) / adhesive layer / biaxially stretched polyamide film (15 μm) / adhesive layer / aluminum foil (9 μm) / adhesive layer / unstretched polypropylene film ( A laminated film comprising 60 μm) was produced.
Two laminated films (vertical 240 mm × width 200 mm) obtained above were cut. Thereafter, the unstretched polypropylene film layers are opposed to each other, two laminated films are overlapped, the lower side is left, both sides and the upper side are 10 mm in seal width, heat seal temperature, 190 ° C., heat seal pressure, 0.2 MPa, heat After sealing at a sealing time of 2 seconds, after cutting off at a 45 degree angle at a position 70 mm from one corner of the lower side, a heat seal bar with a width of 10 mm was used under the same conditions as the above sealing conditions. Heat sealing was performed at a width of 25 mm, leaving a portion (height 25 mm × width 30 mm) to insert the tool, and a packaging bag having an opening at the lower side was produced.
(Manufacture of pouring tool 9)
On the other hand, as the pouring tool, the pouring tool mounting member 7 and the pouring tool conduit member 8 are formed by injection molding using polypropylene (melting point 200 ° C.), and the pouring tool mounting member 7 and the pouring tool conduit member 8 are flush with each other. Thus, the pouring tool 9 joined was molded.
Moreover, the notch part was formed in the front-end | tip of the extraction tool conduit | pipe member 7. FIG.
The shape of the extraction tool conduit member 7 is such that the diameter is 4.5 mm, the thickness is 0.75 mm, the length is 20 mm, the diameter of the extraction tool mounting member is 8 mm, the length is 10 mm, and the wall pressure is 0.8 mm. Molded.
(Manufacture of packaging bags with dispensing tools)
With the dispensing tool sealing machine, the inner surface of the packaging bag and the adhesive surface of the dispensing tool attaching member 7 of the dispensing tool are aligned and heat sealed from both outer sides of the packaging bag 1 to seal the packaging bag to the dispensing tool attaching member 7 with a width of 8 mm. After adhering to the empty space provided at the corner of the packaging bag, the upper part of the empty space has a seal width of 10 mm, a heat sealing condition of 165 ° C., a heat sealing pressure, 0.2 MPa, a heat sealing time, 2 seconds. 1 to form an isolation seal portion 20, which has an opening on the lower side, and a pouch with the pouring tool shown in FIG.
(Manufacture of packaging body with dispensing tool)
Using the packaging bag with the pouring tool obtained above, after filling with distilled water (300 ml) from the opening and sealing the bottom side by heat sealing, 121 ° C., 20 minutes, retort sterilization treatment It was.
The package with the pouring tool according to the present invention obtained above is such that the portion of the pouring tool is not in contact with the contents until the contents are taken out, and the packaging material constituting the bag body has an oxygen barrier property. Therefore, it is possible to prevent oxygen from entering the bag body from the pouring tool, and even if the contents contain a substance that is easily oxidized or discolored by oxygen, stable storage is possible. Moreover, the isolation seal part 20 was easily open | released by picking and peeling the storage part near the isolation seal part 20 with both hands, and the contents could be discharged from the spout.

(Manufacture of packaging bags)
The packaging material composing the bag with the pouring tool of Example 2 is the same packaging material as in Example 1, with a layer structure, biaxially stretched polyethylene terephthalate film (12 μm) / adhesive layer / biaxially stretched polyamide from the outside. A laminated film consisting of film (15 μm) / adhesive layer / aluminum foil (9 μm) / adhesive layer / unstretched polypropylene film (60 μm) was used.
Next, with the laminated film produced above, using a bag making machine, the laminated film having a length of 210 mm × width of 120 mm, a bottom material folding height of 35 mm, and a side seal width of 5 mm is used so that the unstretched polypropylene film becomes the inner surface. A standing pouch with an opening at the top was prepared.
After filling the packaging bag obtained above with distilled water (250 ml) as the contents, the seal width is 10 mm at a position 15 mm from the opening end, the heat seal temperature, 165 ° C., the heat seal pressure, 0.2 MPa, the heat seal time. After sealing with a weak seal under the condition of 2 seconds, leaving the weak seal portion at the center 30 mm, the weak seal portion is further sealed with a seal width of 10 mm, a heat seal temperature, 190 ° C., a heat seal pressure, 0. 2MPa, heat sealing time 2 seconds, and over and over for strong sealing, in the direction orthogonal to this, the sealing width is 10mm, heat sealing temperature, 190 ° C, heat sealing pressure, 0.2MPa, heat from 45mm from both sides The package was produced by strong sealing with a sealing time of 2 seconds.
(Manufacture of pouring tool 9)
As in the first embodiment, the dispensing tool 9 is composed of a dispensing tool attachment member 7 and a dispensing tool conduit member 8 by injection molding using polypropylene (melting point 200 ° C.), and the dispensing tool attachment member 7 and the dispensing tool conduit member 8 are The pouring tool 9 joined so as to be flush with each other was formed.
(Manufacture of pouch with extraction tool)
The pouring tool mounting member is inserted into the pouring tool mounting portion of the package obtained above, and the pouring tool sealing machine is used to align the inner surface with the bonding surface of the pouring tool fixing member 7 of the pouring tool to narrow the pouring tool. The package with a self-supporting pouring tool shown in FIG. 2 was produced by heat-sealing with a seal width of 8 mm in a held state and fixing the pouring tool to the upper end.
The package with the pouring tool according to the present invention obtained above is such that the portion of the pouring tool is not in contact with the contents until the contents are taken out, and the packaging material constituting the bag body has an oxygen barrier property. Therefore, it is possible to prevent oxygen from entering the bag body from the pouring tool, and even if the contents contain a substance that is easily oxidized or discolored by oxygen, stable storage is possible. In addition, it is easy to open the isolation seal portion 20 by grasping and pulling away the storage portion near the isolation seal portion 20 with both hands, and further, the package body with the side opposite to the fixing position of the pouring tool as the bottom portion. Since it was possible to stand, the tube 12 could be stably inserted from the spout after opening the spout, and the contents could be stably and easily sucked and discharged from the tube by a pump or the like.

(Manufacture of packaging bags)
The packaging material constituting the bag with the dispensing tool of Example 3 is the same packaging material as in Example 1, with a layer structure, biaxially stretched polyethylene terephthalate film (12 μm) / adhesive layer / biaxially stretched polyamide from the outside. A laminated film consisting of film (15 μm) / adhesive layer / aluminum foil (9 μm) / adhesive layer / unstretched polypropylene film (60 μm) was used.
Cut the two laminated films constituting the bag body obtained above, and then put the two laminated films facing each other with the unstretched polypropylene film layers facing each other, and use the tray sealer to attach the pouring tool. As shown in FIG. 3, R is provided inside the upper side seal part, the side part seal part, and the lower side seal part to tightly seal in a predetermined shape, and the periphery is trimmed to 200 mm in length and 150 mm in width. The packaging bag was manufactured.
In addition, as a result of sealing on the said heat-sealing conditions on the conditions of heat-sealing temperature, 190 degreeC, heat-sealing time, and 2.5 second, the sealing strength of the periphery seal | sticker part was 45 N / 15mm.
Further, the hot plate of the tray sealer was replaced, and the section seal portion 18 as shown in FIG. 3 was formed in a corrugated shape having a width of 5 mm.
In addition, as a result of sealing on conditions of said heat seal conditions, heat seal temperature, 160 degreeC, heat seal time, and 2.0 second, the seal strength of the linear part of the division | segmentation seal | sticker part 18 was 12 N / 15mm.
(Manufacture of pouring tool 9)
As in the first embodiment, the dispensing tool 9 is composed of a dispensing tool attachment member 7 and a dispensing tool conduit member 8 by injection molding using polypropylene (melting point 200 ° C.), and the dispensing tool attachment member 7 and the dispensing tool conduit member 8 are The pouring tool 9 joined so as to be flush with each other was formed.
(Manufacture of packaging body with dispensing tool)
Using the bag obtained above, after filling distilled water (100 ml) from the unsealed portion for attaching the pouring tool at the upper end, the pouring tool is inserted into the unsealed portion, Heat-sealed at 8 mm.
Then, after filling with distilled water (100 ml) from the unsealed portion for attaching the dispensing tool at the lower end, heat sealed in 10 seconds below the unsealed portion using an impulse sealer for 0.5 seconds, with a seal width of 5 mm. After applying a weak seal with a strength of 10 N / 15 mm, and then inserting a pouring tool into the unsealed portion and heat-sealing with a pouring tool sealing machine with a seal width of 8 mm, the package with the pouring tool according to the present invention shown in FIG. Was made.
The lower storage chamber 5 of the packaging body with the pouring tool according to the present invention obtained above is a packaging that does not contact the contents of the pouring tool until the contents are taken out, and constitutes a bag body. Since the material has an oxygen barrier property, oxygen can be prevented from entering the bag body from the pouring tool, and the contents contain a substance that is easily oxidized or discolored by oxygen. However, it is excellent in storage stability, and if the upper storage chamber is held by hand, it is released from the convex portion of the section seal portion before the lower isolation seal portion, so it is opened in the two storage chambers. When mixing and using the contents, it was possible to prevent the contents of the lower storage room from being accidentally taken out.

(Manufacture of packaging bags)
The packaging material that constitutes the packaging bag with the dispensing tool of Example 4 is the same packaging material as in Example 1, with a layer configuration, biaxially stretched polyethylene terephthalate film (12 μm) / adhesive layer / biaxially stretched polyamide from the outside. A laminated film consisting of film (15 μm) / adhesive layer / aluminum foil (9 μm) / adhesive layer / unstretched polypropylene film (60 μm) was used.
Cut the two laminated films constituting the bag body obtained above, and then overlap the two laminated films with the unstretched polypropylene film layers facing each other, as shown in FIG. 5 using a tray sealer. The division seal part 18 and the isolation seal part 20 were formed.
In addition, as for the heat seal conditions of the division seal part 18 and the isolation seal part 20, as a result of sealing under the conditions of heat seal temperature, 160 ° C., heat seal time, 2 seconds, the seal strength of the division seal part 18 and the isolation seal part 20 is 12 N / 15 mm.
Further, the heat plate of the tray sealer is replaced, and as shown in FIG. 5, an R is provided inside the upper side seal part 16, the side part seal part 15, and the lower side seal part 17 to sandwich the bag-like body of the lower side seal part. The unsealed portion and the attachment position of the pouring tool, and the left side seal portion were left tightly and integrally sealed in a predetermined shape, and the periphery was trimmed to produce a 200 mm long × 150 mm wide packaging bag.
In addition, as a result of sealing on the above-mentioned peripheral seal portion under the conditions of heat seal temperature, 190 ° C., heat seal time, and 2.5 seconds, the seal strength of the peripheral seal portion was 45 N / 15 mm.
(Manufacture of pouring tool 9)
Like the first embodiment, the pouring tool is composed of the pouring tool mounting member 7 and the pouring tool conduit member 8 by injection molding using polypropylene (melting point 200 ° C.), and the pouring tool mounting member 7 and the pouring tool conduit member 8 are surfaces. The pouring tool 9 joined so as to be united was formed.
(Manufacture of bag-like body 2)
The packaging material constituting the bag-like body 2 of Example 4 is, in order from the outside, an outer layer made of an unstretched polypropylene film having a thickness of 40 μm, an intermediate layer made of a biaxially stretched polyamide film having a thickness of 15 μm, and an unstretched film having a thickness of 60 μm. An inner layer made of a polypropylene film is laminated via an adhesive (two-component curable urethane adhesive layer), and from the outside, an unstretched polypropylene film (40 μm) / adhesive layer / biaxially stretched polyamide film (15 μm) ) / Adhesive layer / unstretched polypropylene film (60 μm).
Cut the two laminated films (120 mm long x 120 mm wide) obtained above, make the inner unstretched polypropylene film layer face each other, overlap the two laminated films, and heat at a seal width of 6 mm leaving the upper end. Sealed to prepare a bag-like body 2 having an opening on the upper side.
(Manufacture of packaging bags with dispensing tools)
Using the bag-like body 2 obtained above, a tube 12 fitted with a device such as a dropping portion is attached to the spout conduit member 8 cut and opened from the notch at the tip, and poured using a soldering iron. After the front and back of the outlet mounting member are heated in two spots in a spot shape and temporarily welded, the upper part of the bag-like body 2 is sandwiched between the unsealed films on the lower side of the packaging bag and poured from the outside of the packaging bag. After sealing the spout attachment portion with a width of 8 mm and fixing it to the packaging bag with an outlet sealing machine, the bottom unsealed portion and the top unsealed portion of the packaging bag are heat sealed with a width of 6 mm, respectively. A packaging bag with a tool was prepared.
(Manufacture of packaging body with dispensing tool)
Using the bag obtained above, the upper and lower storage chambers were filled with distilled water (50 ml each) from the left unsealed portion, and then the unsealed portion was heat-bonded with a seal width of 6 mm.
The package with the pouring tool according to the present invention obtained above is such that the portion of the pouring tool is not in contact with the contents until the contents are taken out, and the packaging material constituting the bag body has an oxygen barrier property. Therefore, even if the laminated film used for the bag-like body does not have a barrier property, oxygen can be prevented from entering the bag body from the pouring tool, and the contents are easily oxidized or discolored by oxygen. Even if it contains substances, it has excellent storage stability, eliminates the need to enclose an oxygen scavenger in the bag-like body, and is economical, and if you hold the upper storage chamber with your hand, Since the separation seal part is peeled off from the convex part of the section seal part and opened, the contents in the two storage chambers should be taken out by mistake when mixing the contents in the two storage rooms. In addition, the content can be dropped on the dispensing tool and its tip. Because the device for the device is integrated in a bag-like state, there is no risk of the pouring tool becoming contaminated during transportation, and it is possible to prevent mis-installation of the devices and contamination when mounting the devices. It was a thing.

(Comparative Example 1)
The packaging material constituting the bag with the dispensing tool of Comparative Example 1 is the same packaging material as in Example 1, with a layer configuration, biaxially stretched polyethylene terephthalate film (12 μm) / adhesive layer / biaxially stretched polyamide from the outside. A laminated film consisting of film (15 μm) / adhesive layer / aluminum foil (9 μm) / adhesive layer / unstretched polypropylene film (60 μm) was used.
Next, with the laminated film produced above, using a bag making machine, the unstretched polypropylene films of the laminated film having a length of 210 mm × width of 120 mm, a bottom material folding height of 35 mm, and a side seal width of 5 mm are used as inner surfaces. Thus, a standing pouch having an upper portion as an opening was produced.
Next, the standing pouch obtained above is filled with distilled water (250 ml), the opening is heat-sealed with a seal width of 8 mm, and the pouring tool having a self-supporting property in which the pouring tool is fixed to the upper end as shown in FIG. A package with attachment was produced.

[Drop test]
The packaging bags with extraction tools (10 bags each) obtained in Example 2 and Comparative Example 1 were stored in a refrigerator at a temperature of 3 ° C. for 2 days, taken out from the cabinet, and then 2 m high on the concrete floor. Then, the bottom material was dropped 5 times, and the presence or absence of pinholes was examined. The results are shown in Table 1.

(Measurement of oxygen permeability)
Using the packaging bag with the pouring tool obtained in Example 2 and Comparative Example 1, the oxygen permeability as the packaging bag with the pouring tool was measured under the conditions of a temperature of 23 ° C. and a humidity of 90% RH. The measurement was carried out with a measuring instrument (model name, OXTRAN) manufactured by the company. The results are shown in Table 1. The unit of oxygen permeability is [cc / bag / day · 23 ° C. · 90% RH].

[Measurement of oxygen intrusion position]
The corner part of the packaging bag with a pour tool obtained in Example 2 and Comparative Example 1 was cut off and the distilled water was discarded, and 2% by weight agar containing methylene blue and hydrosulfite sodium instead of distilled water as the contents After filling the solution (200ml), removing bubbles and sealing the corners, store at 40 ° C for 3 weeks, open and inspect the place where oxygen from the outside of the packaging bag penetrates and turns blue did. The results are shown in Table 1.

(Experimental result)

As is clear from the evaluation results shown in Table 1, the packaging bag with a pour tool of Example 2 is significantly more oxygen permeable than the comparative example 1 which is a conventional packaging bag with a pour tool of the same form. As a result, it was confirmed that the packaging bag with a pouring tool is very effective for the contents that are discolored or deteriorated by oxygen.
Moreover, although the color development was not recognized by the packaging bag with the extraction tool of Example 2 about the site | part from which the methylene blue changed into blue by oxygen permeation | transmission, in the packaging bag with the extraction tool of Comparative Example 1, the inside of a spout conduit member whole And in the spout attachment part, it changed to blue of methylene blue by oxygen permeation. As a result, the packaging bag of Example 2 according to the present invention was able to prove the effectiveness of not bringing the pouring tool having a low oxygen barrier property into contact with the contents.
Further, in Comparative Example 1 which is a conventional packaging bag with a pouring tool, the packaging material on the contents side of the pouring tool fixing part swells in a conical shape as shown in FIG. There is a part, and the part that should be called the inflection point of the packaging material generated by fixing the three-dimensional pouring tool to the flat heat seal part of this base part is the bag body due to vibration and impact during transportation Since the stress to be expanded is received at the point through the contents, the bag breakage due to peeling of the pinhole or adhesive layer is very easy to occur, and all the places where the pinhole is generated by the drop test are inflections. It was the point part. However, in the packaging bag with the dispensing tool of Example 2 according to the present invention, the contents are not in contact with the inflection point, and the inner peripheral edge of the storage portion is formed only by a straight line. There was no spot where the impact and vibration during transportation were subjected to the stress transmitted through the contents, and pinholes and bag breakage could be prevented.

  Applications of the packaging bag 1 having the dispensing device according to the present invention include, for example, foods and beverages, infusion bags, pharmaceuticals, detergents, shampoos, oils, toothpastes, adhesives, adhesives, and other chemicals or cosmetics, etc. It can be used as a filling and packaging bag for various liquid articles, and is not particularly limited.

It is a top view which shows 1st Example of the packaging bag with a extraction tool which concerns on this invention. It is a top view which shows 2nd Example of the packaging bag with a extraction tool which concerns on this invention. It is a top view which shows 3rd Example of the packaging bag with a extraction tool which concerns on this invention. It is a top view which illustrates the partition weak seal shape which concerns on this invention. It is a top view which shows 4th Example of the packaging bag with a extraction tool which concerns on this invention. It is a top view which shows one Example of the packaging bag with a extraction tool which concerns on this invention. It is a top view which shows one Example of the conventional packaging bag with a extraction tool. It is sectional drawing of the bag body in the AA 'line of FIG.

Explanation of symbols

1 Packaging bag with pouring tool 1 'Conventional packaging bag with pouring tool 2 Bag-shaped body 3 Notch 4 Opening hole for handle 5 Storage part (storage room)
6 Taper part 7 Outlet attaching member 8 Outlet conduit member 9 Pouring tool 10 Oxygen scavenger 11 Drip part 12 Tube 13 Fitting part 14 Partition seal part 15 Side seal part 16 Upper side seal part 17 Lower side seal part 18 Partition seal part 19 Protrusion seal part 20 Isolation seal part 21 Weak seal protection Strong seal part 22 Vacant room 23 Corner part seal part 24 Inflection point

Claims (7)

A single-layer film made of a resin having heat-sealability, or a laminated film in which at least the inner layer is made of a resin having heat-sealability, are overlapped with the inner-layer surfaces facing each other, and the peripheral part is heat-sealed to form a peripheral seal part In a packaging bag with a dispensing tool in which a dispensing tool made of a plastic injection molded product is fixed by heat sealing between the inner layers of the heat sealing part of the packaging bag in which the contents are stored,
An isolation seal part is formed that separates the pouring tool and the storage part of the packaging bag, and the isolation seal part consists of a weak seal part that peels at least partially when the inside of the adjacent storage part is pressurized,
And the packaging bag with the extraction tool characterized by providing the empty room enclosed by the said peripheral seal part and the said isolation seal part in the vicinity of the adhering part of the said extraction tool.   2. The packaging bag with an extraction tool according to claim 1, wherein the laminated film constituting the packaging bag has a barrier layer.   The storage portion of the packaging bag includes a plurality of storage chambers in which contents of a plurality of different components are stored by the partition seal portion, and at least one of the partition seal portions pressurizes the inside of the adjacent storage portion. The packaging bag with a pour-out tool according to any one of claims 1 to 2, wherein the packaging bag comprises a weak seal portion from which the portion peels.   The packaging bag with a pour tool according to any one of claims 1 to 3, wherein the shape of the isolation seal portion is a convex shape with respect to the empty space.   The packaging bag with a pour tool according to any one of claims 3 to 4, wherein the shape of the section seal portion has at least one convex shape with respect to one storage portion.   6. The packaging bag with an extraction tool according to claim 1, wherein the extraction tool is configured to cover a portion outside the packaging bag with a bag-like body. The instrument for pouring the contents of the packaging bag is housed in the bag-like body in a state of being joined to the tip of the pouring tool. Bag with pouring tool.

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