WO2011071173A1 - Sac de conditionnement à deux poches pour eau de boisson et structure de conditionnement remplie d'eau de boisson/infusion - Google Patents

Sac de conditionnement à deux poches pour eau de boisson et structure de conditionnement remplie d'eau de boisson/infusion Download PDF

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Publication number
WO2011071173A1
WO2011071173A1 PCT/JP2010/072306 JP2010072306W WO2011071173A1 WO 2011071173 A1 WO2011071173 A1 WO 2011071173A1 JP 2010072306 W JP2010072306 W JP 2010072306W WO 2011071173 A1 WO2011071173 A1 WO 2011071173A1
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WO
WIPO (PCT)
Prior art keywords
packaging bag
film
drinking water
nozzle
self
Prior art date
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PCT/JP2010/072306
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English (en)
Japanese (ja)
Inventor
克規 二瀬
Original Assignee
株式会社 悠心
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Filing date
Publication date
Priority claimed from JP2009277270A external-priority patent/JP5344761B2/ja
Application filed by 株式会社 悠心 filed Critical 株式会社 悠心
Publication of WO2011071173A1 publication Critical patent/WO2011071173A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/808—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags
    • B65D85/8085—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags characterised by an outer package, e.g. wrappers or boxes for enclosing tea-bags

Definitions

  • the present invention encloses a flexible packaging bag having a film-like check nozzle (liquid pouring nozzle) with a self-sealing check function, and an extraction material stored together with a liquid such as water in the packaging bag.
  • a double-pack packaging bag for drinking water comprising a filter bag and a drinking water / extracting material co-filled packaging in which liquid is sealed in the double-pack packaging bag for drinking water.
  • the present invention relates to a drinking water / extracting material co-packing type packaging structure that is housed and held therein.
  • taste drinks such as tea and coffee are sometimes drunk directly in a teapot or coffee pot, and filter bags such as tea bags are sometimes used.
  • tea When tea is brewed in a teapot, tea components such as taste, aroma and richness are extracted in good condition as hot water penetrates into the tea leaves.
  • this tea leaf is enclosed in a tea bag and poured into hot water or immersed in hot water, even if the components of taste and fragrance are not sufficiently extracted, all of these can be used only once. Therefore, you can always enjoy the flavor of fresh tea drinks.
  • tannin and chlorophyll contained in green tea are generally oxidized and astringent.
  • the technology according to this disclosure is that the filter bag containing the dashi material is immersed in the liquid in the outer container, but is basically kept in an anaerobic atmosphere until it is opened, except for dissolved oxygen in the liquid. Therefore, there is a feature that flavor does not deteriorate.
  • the outer container is opened, air immediately enters the outer container, so that the poured liquid is oxidized, and oxidation deterioration, flavor deterioration, and quality deterioration rapidly progress. This tends to be further encouraged over time.
  • JP 2005-15029 A and JP 2005-59958 A disclose a flexible packaging bag having a self-sealing check function and a liquid pouring nozzle made of a plastic film, that is, a film-like check nozzle.
  • a flexible packaging bag having a self-sealing check function and a liquid pouring nozzle made of a plastic film, that is, a film-like check nozzle.
  • the flexible packaging bags disclosed in these documents are non-self-supporting packaging bags formed of a soft laminated plastic film, it is inconvenient to use them alone as they are.
  • a configuration in which the container is housed and fixed in a container as described in Japanese Patent Application Laid-Open No. 2004-196364 is employed.
  • liquid materials such as soy sauce and other liquid seasonings and salad oil (“liquid It is also referred to as “medium filling”: The Japan Society of Mechanical Engineers 2005.6.10 Lecture No. 05-47), which is used as a liquid packaging that contains only substantially liquid or viscous packages. It is And the characteristic of the package of the full form formed by filling the flexible packaging bag with the liquid material (hereinafter referred to as “liquid material-packed package”) is the operation of pouring the liquid package from the bag body.
  • the package is kept in a state where it is never exposed to the atmosphere. Therefore, since the liquid package to be packaged hermetically sealed in such a flexible packaging bag does not cause any chemical change such as oxidation, there is an advantage that it can be kept fresh as it is for a long time. .
  • the film-like non-return nozzle is self-sealed by diffusion of intervening liquid due to capillary action between two front and back soft laminated plastic films (surface film and back film).
  • the side of the packaging bag body also comes into close contact with each other by the capillary action of the liquid package packed in the liquid seal, corresponding to the volume of the liquid dispensed, It will be in a contracted or crushed state.
  • the liquid package in the packaging bag body may be obstructed by the strong adhesion between the front and back films as described above.
  • a double pack packaging bag for drinking water containing an extraction material together with a liquid such as water when the packaged item (extracted beverage) is opened (opened) and poured out for the reasons described above.
  • a non-self-supporting flexible packaging bag filled and packaged with an article to be packaged is housed in a paper box. Since the bag needs to be fixed in the box, the box structure is complicated, the burden of the boxing operation is large, and it cannot be automated, so that the manufacturing process is complicated and the cost is high. Therefore, in order to solve the above-mentioned problems of the conventional technology, the present invention co-fills a liquid such as water and a filter bag enclosing an extraction material such as tea and coffee.
  • the fresh beverage in the initial stage of filling without deteriorating the flavor of the extracted beverage (extracted from the filter bag in a liquid such as water) or the extracted material in the packaging bag It is in proposing the double pack packaging bag for drinking water which can hold a simple state over a long period of time.
  • the present invention is suitable for co-filling of an extracted beverage and an extraction material, and also has a non-return function characteristic and an extraction characteristic of the extracted drink in the filling (so that the drinking water in the bag can be smoothly poured out to the end.
  • Another object of the present invention is to propose a double-pack packaging bag for drinking water that has a self-supporting property that can be used on a tabletop or the like without being stored in an outer packaging container such as a box. is there.
  • Another object of the present invention is to hold a double-pack packaging bag for drinking water mainly composed of a non-self-supporting and non-fixed flexible packaging bag so that it can be used as it is on a desktop or the like.
  • the object is to propose a packed packaging structure for drinking water and extraction material.
  • the present invention provides an adhesive action between films when a liquid material is present in an extraction passage formed between overlapping soft laminated plastic films at one edge of a packaging bag body made of a soft laminated plastic film.
  • a flexible packaging bag having a non-returning nozzle that projects a non-returning function that prevents the outside air from entering the bag, and the flexible packaging bag is hermetically sealed together with the liquid filled in the liquid seal.
  • the present invention proposes a double-pack packaging bag for drinking water, characterized in that it comprises a filter bag enclosing an extraction material such as teas, coffee, and fruits, which is stored in a bag.
  • the above double pack packaging bag for drinking water is (1)
  • the film-like non-return nozzle is subjected to a wetting treatment on the inner surface in the vicinity including the planned opening position of one or both of the laminated plastic films of the dispensing passage, (2)
  • the film-like non-return nozzle is subjected to a wetting treatment on the inner surface only in the vicinity of the one or both of the laminated passages including the planned opening position of the laminated plastic film
  • the packaging bag body is subjected to a wetting treatment on the inner surface of the non-sealed portion of the laminated plastic film in the vicinity of the film-like check nozzle,
  • the flexible packaging bag has a slit opening of the film-like check nozzle from the packaging bag main body to the non-sealed portion of each of the laminated plastic films forming the front and back of the packaging bag body and the film-like check nozzle.
  • a straight or curved concavo-convex structure is given to the position or a position in the vicinity thereof, (5)
  • the wetting treatment includes at least one of a corona discharge treatment, a UV ozone treatment, a resin coating treatment surface, a metal deposition treatment, an electroless plating treatment, a metal low temperature spraying treatment, a plasma etching treatment, and a flame treatment.
  • the concavo-convex structure imparted to the laminated plastic film is embossed, blasted, knurled, wrinkled, vertical / horizontal striped, planar, island-like, on one or both of the laminated plastic films on the front and back sides. It is applied in stripes and is formed as a partial pattern or a complete pattern.
  • the concavo-convex structure portions of the pair of laminated plastic films on the front and back are provided so that the concave portions and the convex portions are fitted to each other to form a substantially constant gap of 30 to 100 ⁇ m, (8)
  • the film-like non-return nozzle fuses two thin soft laminated plastic films to each other at the peripheral portion except the portion that becomes the nozzle base end, and pours non-fused into the central portion.
  • a passage is defined, and a base end portion thereof is fused and joined to a side portion of the packaging bag body, and the package bag body is tilted and the packaged object is poured out.
  • the inside surface of the soft laminated plastic that becomes wet in the pouring passage due to the passing of the objects is caused by the close contact between the inner surface of the pouring passage and the packaged material on the inner surface of the pouring passage. It has a check function to prevent intrusion, (9)
  • the film-like non-return nozzle is provided with a damming portion that closes a part of the upper part or the lower part of the extraction passage at the nozzle inlet portion of the base end seal part thereof, (10)
  • the base end portion of the film check nozzle is temporarily sealed by low-temperature fusion between the sealant layers facing each other on the inner surface of the extraction passage.
  • the liquid is water or an aqueous solution containing an extraction component, and the room temperature water or hot water is filled in the flexible packaging bag with a liquid seal
  • the filter bag is a paper, cloth having a filter function that prevents elution to the outside even if the leaf-like, granule-like, and powder-like extraction materials to be enclosed are retained inside while having water permeability, It is composed of a woven or non-woven fabric of synthetic resin, a metal foil having fine holes, (13)
  • the filter bag is fixed to a bottom part and a side part in the flexible packaging bag, (14)
  • a bottom portion for self-supporting is provided at the lower end of the packaging bag body of the flexible packaging bag,
  • the flexible packaging bag is a three-side sealed self-supporting bag excluding the bottom for self-supporting, the standing figure is flat at the top, and the bottom is cylindrical.
  • both corners of the bottom of the ship bottom shape are chamfered, the radius of curvature R of the chamfered portion is 8 mm or more, and the bottom has a loosely curved shape with a downward convexity. thing, would provide a more preferable solution.
  • the present invention provides a flat film-like reverse that produces a non-return function when a liquid substance is present in a minute gap between overlapping soft laminated plastic films at one edge of a packaging bag body made of a soft laminated plastic film.
  • Non-self-supporting drinking water in which liquid is stored airtight in a double-pack packaging bag for drinking water consisting of a non-self-supporting flexible packaging bag with a stop nozzle protruding and a filter bag for containing an extraction material
  • a cylindrical container composed of an extract material co-filled package and a soft laminated plastic film for storing the non-self-supporting drinking water / extract material co-fill package, on one of the side edges
  • the above-mentioned nozzle is stored in an exposed manner and a tear-out guide rod for pulling out the nozzle is provided so that the nozzle can be opened to project, and a bottom portion is provided.
  • it is proposed drinking water and extracting material co-filled packaging structure according to claim consisting of.
  • the drinking water double pack packaging bag is made of any one of (1) to (13), (2)
  • the non-self-supporting drinking water / extraction material co-filled packaging body is suspended in the outer packaging container, with the upper end lateral seal portion fused to the upper end of the self-supporting outer packaging container.
  • the self-supporting outer packaging container is a self-supporting flexible packaging bag having a ship bottom-shaped bottom portion, and the top portion having a chuck structure that can be opened and closed to replace a non-self-supporting liquid-filled package.
  • the non-self-supporting drinking water / extraction material co-packaging package has a bottom of a ship bottom, and the top is a flexible, rigid, openable to replace the non-self-supporting liquid filling package. Consists of a plastic, paper or metal package with dispenser function, However, it will provide a more preferable solution.
  • flavors of extracted beverages such as green tea, black tea, Chinese tea, herbal tea, kobu tea, and coffee, that is, taste, aroma, umami, etc., together with their extraction materials, have been sealed for a long time ( Even if it is co-filled in the package), and after the extracted beverage has been repeatedly poured out of the airtight container (there is a risk of intrusion of outside air), the original flavor of the extracted beverage can be maintained.
  • a double pack packaging bag for drinking water that is not damaged can be obtained.
  • a novel flexible packaging bag having a film-like check nozzle having a self-seal check function as a packaging bag for storing extracted beverages such as teas and coffee together with their extraction materials, It is possible to reliably prevent quality and flavor deterioration factors such as oxidation of these packages (basically, water or an aqueous solution containing an extraction material component and an extraction material) filled with a seal in liquid.
  • at least a part of the laminated plastic film constituting the bag body and the film-like check nozzle is a concavo-convex structure film, so that smooth pouring can be performed at any time during re-pouring. Can be possible.
  • the above-described concavo-convex structure is imparted to the packaging bag main body and the film-like check nozzle portion, etc., so that pouring is smooth and an appropriate amount can be poured out at any time.
  • Wet treatment is performed on the inner surface of the inner surface of the dispensing checker nozzle, including its vicinity including the planned opening position, only the vicinity including the planned opening position, or the inner surface of the packaging bag body in the vicinity of the film check nozzle.
  • both the nozzle and the packaging bag main body are backflowed into the bag, such as air
  • This can prevent the reverse inflow without incurring inflowing air (instead of inflowing air), and can keep the remaining packaged contents (extracted beverage and extracted material) in the bag in the original fresh state for a long time. Kill.
  • a temporary sealing structure by low-temperature fusing treatment on the inner surface of the nozzle base end portion, a non-return function characteristic is not hindered during handling or the like.
  • a double pack packaging bag for drinking water can be provided.
  • a packaging bag having excellent pouring characteristics as a whole can be provided.
  • a bottom for self-supporting at the lower end of the packaging bag main body it is not necessary to be housed and fixed in a separate outer packaging container or the like, so that it can stand alone and be used alone. Become.
  • the packaging bag body is composed of a three-sided seal bag excluding the bottom for self-supporting, the standing shape is flat and flat at the top even after filling the liquid package in the bag with a liquid seal.
  • a non-self-supporting beverage obtained by filling a liquid such as water with a liquid in a liquid in a double-pack packaging bag for non-self-supporting drinking water comprising a flexible packaging bag and an extraction material-enclosed filter bag.
  • a self-supporting flexible packaging bag (standing pouch: outer bag), hard plastic, and hard paper made of self-supporting soft laminated plastic film or paper without putting the water / extractable material co-packed package in a hard package
  • the used empty bag is preferably taken out into an outer packaging container which is a hard material such as metal and has a dispenser function (function to be flexible so that the body can be pressurized and elastically deformed). By making it replaceable with a new one, it can be used as it is on a desk or the like as it is, and it can also be used to extract extracted beverages such as tea and coffee. It can be stabilized.
  • the filter bag for enclosing the extraction material stored in the packaging bag main body of the flexible packaging bag is fixed to the lower part and the side part of the flexible packaging bag, The non-return action can be stabilized, and the extracted beverage can be stably dispensed.
  • FIG. 1 is a front view of an embodiment in which a part of a double pack packaging bag for drinking water according to the present invention is cut away to clarify the storage state of a filter bag.
  • FIG. 2 is an enlarged cross-sectional view of a planned opening position of the film check nozzle.
  • FIG. 3 is a front view of the film-like check nozzle.
  • FIG. 4 is a partially cutaway perspective view of a drinking water / extracting material co-filled package.
  • FIG. 5 is a front view of a packaging structure in which a drinking water / extraction material co-filled packaging body is accommodated and held in an outer packaging container.
  • FIG. 6 is a front view showing an embodiment of a self-supporting double-pack packaging bag for drinking water according to the present invention.
  • the double pack packaging bag for drinking water of the present invention is a combination of an outer large bag (packaging bag body) and a water permeable small bag (filter bag) enclosing an extraction material stored together with water, hot water, etc. in the large bag. It is comprised by the double pack (double bag) structure which becomes.
  • This large bag has a flexible packaging bag body made of a soft laminated plastic film of two or three layers, preferably on the upper side, diagonally upward, or on the top of one of the side edges, preferably from the bag body. Also, a liquid material is interposed in the pouring path formed between the two soft, thin and soft flat plastic laminated plastic films (a pair of front and back) facing each other and facing each other.
  • a film-like non-return nozzle (liquid dispensing nozzle as disclosed in JP-A-2005-59958) that projects a non-return function that prevents the entry of outside air by capillary action is protruded. It consists of what was heat-sealed and attached in the state, or what was formed integrally with this packaging bag main body.
  • the film check nozzle which is a characteristic configuration of the double pack packaging bag, is, for example, a soft laminated plastic film constituting the nozzle on the inner surface (sealant layer) of the upper side portion of the flexible packaging bag body.
  • this nozzle preferably comprises two sheets of a soft laminated plastic film formed by laminating a thermoplastic, uniaxial or biaxially stretched base film layer, and a sealant layer on both the front and back surfaces (inside and outside).
  • the sealant layers are opposed to each other as a pair of front and back, or the three-layer laminated plastic film in which one soft laminated plastic film is folded half-width to make a pair of front and back, the mutually facing sealant layers, A peripheral portion excluding the base end side is fused to each other to form a substantially wedge shape as a whole, and a pouring passage in which the central portion is not fused is formed.
  • it may have a two-layer structure in which the base films are impulse-sealed.
  • this film-like check nozzle depends on the size of the flexible packaging bag, in general, when the packaging bag body is 100 to 150 cm wide and 150 to 200 cm long, the protrusion length X from the packaging bag body X Typically, the nozzle width Y is about 30 to 80 mm, and the nozzle width Y at the tip is about 20 to 40 mm.
  • the flexible packaging bag differs depending on the weight of the water to be filled and hot water (including the extract) and the filter bag to be stored (hereinafter also referred to as “packaged goods” including both of them) and whether or not it is self-supporting.
  • the packaging bag body is generally constituted by using a thick laminated two-layer plastic film of NY15 / PE60, while the film-like non-return nozzle is not subjected to the load of the object to be packaged. Therefore, for example, it is preferable to use a thin three-layer soft laminated plastic film made of a combination of PE20 / NY15 / PE20. The thinner the film, the better the check function, and the use of a weak film is preferable. Function is improved.
  • a pair of soft laminated plastic films of the front and back surfaces of the film-like non-return nozzle having a higher flatness (flatness) can obtain a higher non-return effect, and during the polymerization of the two front and back soft laminated plastic films.
  • the gap is preferably about 10 to 300 ⁇ m.
  • this flatness is distinguished from the uneven structure showing the surface roughness described later, and is a form without large undulations and wrinkles over the entire film.
  • the so-called uneven structure is the flat film. It is formed in small units.
  • Such a film-like check nozzle is a sealant material used for the inner and outer surfaces (front and back materials) of a pair of soft laminated plastic films that overlap each other (face to face).
  • thermoplastic resin film of 5 to 80 ⁇ m such as polyethylene, polypropylene, ionomer, EVA or EVOH, and a heat seal material on the inner surface of the packaging bag body, for example, a sealant layer represented by polyethylene or polypropylene and a heat A film that can be sealed is used.
  • these sealant materials (films) are left in the inner edge portion so as to have a required shape (wedge shape), and the peripheral portion thereof is, for example, by heat sealing, high frequency sealing or impulse sealing, It can be manufactured by fusing.
  • biaxially stretched films and uniaxially stretched films generally used for liquid packaging films such as nylon, polyester, polypropylene, EVOH, etc. Is used.
  • a uniaxially stretched film having excellent straight cut properties is used.
  • these films have a high gas barrier film (water vapor transmission film) that has been subjected to vapor deposition or coating with glass, alumina, silica, etc. in order to improve the gas barrier properties in order to ensure a long-term check effect.
  • the thickness is preferably 5 ⁇ m or more and 30 ⁇ m or less, for example, in order to maintain the flexibility of the film valve.
  • the soft laminated plastic film (however, the base film and the sealant layer 2 are typically manufactured in this manner and having a three-layer structure (sealant layer [surface material] -base film layer-sealant layer [backing material]).
  • the film-like non-return nozzle comprising a layer structure
  • the film-like non-return nozzle comprising a layer structure
  • the sealant layer which is the outer surface of the base end portion, without causing the sealant layers to fuse together on the inner surface side by the following method.
  • the sealant layer (sealant layer made of the same kind of film) on the inner surface of the opening provided on one side of the packaging bag body made of plastic film (mainly two layers) by heat sealing.
  • the sealant layer stripping layer made of the same kind of film
  • the packaging bag body made of plastic film (mainly two layers)
  • the packaging bag body includes a base film layer and a sealant layer located on the inner and outer surfaces, respectively, and a base film layer and a sealant layer of the same type as those of the film check nozzle. can do.
  • the film check nozzle and the packaging bag body are formed separately, the film for the check nozzle film and the base film layer and the sealant layer located on the inner and outer surfaces Differently, an intermediate layer may be interposed.
  • the sealant layer forming the inner surface of the packaging bag body made of a laminated plastic film is made of the same kind of resin material as the outermost sealant layer of the nozzle, and according to this, the nozzle and the packaging The fusion-bonding strength with the bag body can be sufficiently increased.
  • the packaging bag body is preferably composed of a laminated plastic film having a two-layer or three-layer structure, and the uniaxial or biaxially stretched base film layer of the laminated plastic film Is preferably composed of a polyethylene terephthalate film layer (PET layer), a nylon resin film layer (NY layer), ethylene vinyl alcohol (EVOH) or the like having a thickness of 8 to 30 ⁇ m.
  • the sealant layer of the laminated plastic film used for the packaging bag body may be composed of an unstretched PE layer or PP layer having a thickness of 10 to 60 ⁇ m, an EVA layer, an ionomer layer, an EVOH layer, or the like.
  • the thickness of the base film layer is less than 8 ⁇ m, water vapor impermeability, gas barrier properties and the like may be insufficient.
  • the thickness exceeds 30 ⁇ m the bending strength of the laminated plastic film is low. There is a possibility that the adhesiveness of the inner surface of the nozzle after the stop of pouring of the packaged article is impaired due to the excessive increase.
  • each sealant layer can be composed of two or more films.
  • the laminated plastic film used for the packaging bag body it is necessary to store a certain amount of liquid and the filter bag containing the extraction material, whether it is a non-self-supporting type or a self-supporting type described later, A firm one is required.
  • the bending strength per unit width (15 mm) of the laminated plastic film, in other words, the waist is measured as described in FIG.
  • the value measured using a load cell is 40 to 300 mN. If the waist is less than 40 mN, the stability of the direction of the pouring of the packaged item from the packaging bag is inferior. There is a risk that the lack of strength will become apparent. On the other hand, if it exceeds 300 mN, the entire check function including the film check nozzle may be deteriorated regardless of the laminated structure of the laminated plastic film.
  • this film-like check nozzle for example, a wedge-shaped film-like check nozzle, the film used for fusion-bonding the outer surface of the base end portion to the inner surface of the upper side portion of the packaging bag body.
  • a release sheet having a higher melting point or not thermally melting is inserted inside the pouring passage, or the inner and outer surfaces of the nozzle are respectively inserted.
  • the fusion temperature of the sealant layer is made different by, for example, changing the material or changing the extrusion laminating conditions. It is preferable to make it higher.
  • the inner side [backing] sealant film is a thermoplastic resin such as polypropylene or polyethylene, and preferably has a melting point of about 20 ° C. higher than the melting point of the outer side [surface].
  • a film that can be heat sealed at a temperature higher than the heat seal temperature of the sealant layer of the packaging bag body is used.
  • the relationship between the film-like check nozzle and the packaging bag body is as described above, but the thickness of the film-like check nozzle is substantially the same as the thickness of the laminated plastic film used for the packaging bag body. Rather, it is desirable to use a thin laminated plastic film. However, it is possible to apply even in the opposite case.
  • Application of a laminate film or an extruded film is conceivable.
  • each sealant layer is formed by melt extrusion lamination method or dry lamination method, extrusion lamination method, co-extrusion method for the base film layer. It can be laminated by a laminating method or the like.
  • the film-like non-return nozzle is joined to the packaging bag body at the same time (heat sealing) or the joining process thereof. It is preferable to carry out after.
  • filling is performed by a submerged sealing method (heat sealing of the film from above the filling liquid so that air, nitrogen gas, etc. are not mixed), or The filling is performed by completely eliminating the gas from the inside of the packaging bag body by, for example, evacuating the bag after filling the package.
  • the reason is that, in order to cause the non-return action of the film-like non-return nozzle, it is necessary to perform sealing under the condition that the packaged material in the bag is sealed in the air and seal it. This is also necessary to prevent oxidation of the liquid package.
  • the bottom of the ship-shaped self-supporting portion is fused to the lower end portion of the packaging bag body by heat sealing or the like before filling the package bag body with the seal in the liquid. It is good also as a self-supporting double pack packaging bag which forms and becomes a standing pouch.
  • the film constituting the packaging bag main body it is necessary to use a film that is thicker than the above-mentioned non-self-supporting flexible packaging bag in order to impart self-sustainability.
  • the sealant layer has a thickness of 10 to 60 ⁇ m, preferably 10 to 30 ⁇ m. It is preferable to configure the above. If the thickness of the base film layer is less than 50 ⁇ m, water vapor impermeability and gas barrier properties may be insufficient, while if it exceeds 250 ⁇ m, the bending strength of the laminated plastic film becomes too large. This is because the adhesion between the inner surfaces of the non-return function nozzles after the dispensing of the liquid article to be packaged may be impaired.
  • the double pack packaging bag of the present invention is provided with self-supporting properties, and does not need to be stored and fixed in an outer packaging container or the like, and can be used as it is on a desktop or the like.
  • the packaging bag body is composed of a three-side seal free-standing bag excluding the bottom for self-supporting, and the reason is that a vertical seal is applied to the left and right side edges of the packaging bag body portion, Even after filling a liquid package with gas-less filling, for example, by filling it with a liquid seal, the standing shape can be maintained flat at the top, that is, it is provided mainly on the upper side of the packaging bag body.
  • the filter bag is preferably heat-sealed at the time of vertical sealing of the packaging bag body in advance (preferably the packaging bag body preferably). Is preferably fixed to the bottom portion (can be stored in a free state), and then the above-described liquid seal filling is preferably performed.
  • the double pack packaging bag according to the present invention is a tea such as green tea, barley tea, Chinese tea, black tea, health tea, herbal tea, kobuchi tea, etc., which is an extraction material, together with liquid, in the packaging bag body of the flexible packaging bag.
  • the filter bag containing tea leaves, powdered tea, granulated or powdered coffee, and fruit juice powder is stored.
  • This filter bag uses a fine mesh bag that is excellent in drainage and extractability and does not easily leak, so that the components of tea and coffee are well extracted and diffused in the co-filled liquid.
  • the shape may be, for example, a normal bag shape, a box shape, or a tetra pack shape.
  • the material of the filter bag is, for example, a synthetic fiber mesh fiber on both sides of a natural fiber woven fabric so that it can be fixed to the bottom of the packaging bag body, preferably by heat sealing or impulse sealing.
  • a fine porous metal with a filter function is used in addition to a laminate of fiber sheets (Tea Road: registered trademark manufactured by Yamanaka Sangyo) and sheets of synthetic fibers, such as those with good extractability for tea and coffee components. Use of foil or the like is also possible.
  • it is configured to have a fiber gap (opening) through which even a very fine coffee powder, which is said to be under No. 60, is difficult to pass in a dry state, while allowing the coffee powder or tea powder to flow out in a wet state. A thing etc.
  • This filter bag uses tea or coffee as an extraction material inside, and the surroundings are heat-sealed, ultrasonic-sealed or impulse-sealed, and have a thickness of 120 to 160 ⁇ m and an air permeability of 36.0 to 50 cc. / Cm 2 -The thing of about sec is used suitably.
  • it since it is what extracts the extraction raw material component co-filled as a liquid, it is preferable that it is normal temperature or the heated water, or the aqueous solution containing an extraction component.
  • a double pack packaging bag will be filled with a liquid that will eventually become an extracted beverage and a filter bag filled with a pouring material together with the drinking water and the extraction material. Say the package.
  • the film-like non-return nozzle made of a soft laminated laminated plastic film can be used for the front and back sides by applying the water head pressure of the article to be packaged (extracted beverage) or by pressing the body of the filling package with fingers.
  • the laminated plastic films swell separately from each other, and at the same time, the dispensing passage is formed for the first time, and at the same time, the nozzle opening is also opened, and the drinking water is dispensed.
  • the packaging bag body made of a laminated plastic film is used to pour drinking water.
  • the liquid extracted beverage Due to the stoppage of the outflow, the liquid extracted beverage always remains (stagnate) and becomes wet due to the capillary action in the dispensing passage of the film check nozzle. Therefore, at the same time as the stop, the pouring passage (the inner surface of the laminated plastic film) of the film-like check nozzle is in a state of being in close contact with the whole by capillary action, and the nozzle opening remains sealed. Thus, the entry of outside air into the packaging bag body is surely prevented. Therefore, in a packaging bag having such a film-like check nozzle, the packaged material filled in the bag is not only in contact with the outside air, but also during and after the dispensing.
  • the double-pack packaging bag of the present invention in which the above-described film-like check nozzle is protruded corresponds to the case of repeated dispensing, particularly re-injection. Even in the case of dispensing, it is desirable that the liquid be poured out in a smooth and controlled manner as in the first case. Therefore, in the present invention, as shown in FIG. 1, as the packaging bag body and the film-like check nozzle (pour-out passage), at least one inner surface has a concavo-convex structure, that is, the front and back laminated plastic films.
  • the parts excluding the respective seals are embossed, blasted, knurled, wrinkled, vertical and horizontal striped. Or the like having a concavo-convex structure 14 to which any of the above is applied.
  • the reason for excluding the seal portion is that if there are irregularities in the seal portion, a seal failure will occur.
  • the reason why such a concavo-convex structure is formed in the packaging bag body is that not only the non-return action of the film-like check nozzle after the extraction beverage is poured out by the action of the film-like check nozzle.
  • the inside of the packaging bag body is prevented from intruding (backflow) of the outside air, and in the presence of the extracted beverage (liquid), a capillary action acts between these laminated plastic films (a nonreturn action). )
  • the film shrinks or the bag body collapses by the volume corresponding to a considerable amount of the extracted beverage extracted, and is strongly fused.
  • the present invention slightly relaxes the adhesive force of the laminated plastic film based on the capillary action in the vertical and horizontal ranges at least in the vicinity of the film-like check nozzle of the packaging bag body, The stagnation, stagnation, and clogging were prevented, and the flow path was secured. That is, in order to relieve the adhesive force due to the capillary action generated in the dispensing passage of the film-like check nozzle and in the packaging bag main body without reducing the check action of the film-like check nozzle, as described above.
  • the laminated plastic film to be overlaid is provided with a concavo-convex structure 14 made of embossing or blasting, preferably a linear or curved stripe pattern, and the capillary action is weakened particularly in the packaging bag body portion.
  • the concave-convex structure 14 added to the laminated plastic film is a gap between the laminated plastic films on the front and back of the packaging bag body (excluding the vertical seal, horizontal seal, and the joint seal portion between the nozzle and the main body), that is, a liquid layer.
  • the thickness is usually about 2 to 5 ⁇ m, and the adhesion force based on the capillary action described above is generated, but one or both of the laminated plastic films are embossed, for example, so that the gap between the films is 20 ⁇ m or more,
  • the irregularities are preferably 30 ⁇ m or more, more preferably 50 ⁇ m or more.
  • the capillary action is reduced, resulting in a decrease in adhesion between the laminated plastic films.
  • the flow path is always secured at least at the location where the concavo-convex structure 14 is provided, and even when the amount of liquid in the bag is extremely reduced, the liquid package is always smooth. Will be guaranteed.
  • the above uneven processing is preferably processing that gives an irregular pattern in addition to a regular pattern using an embossing roll (Japanese Patent Laid-Open No. 2008-12669) having an uneven pattern such as a cylinder or a prism. Further, in place of such embossing, random wrinkling, blasting, knurling, vertical and horizontal striped processing may be performed. These are preferably combined in such a way that the uneven positions are displaced and a constant gap of about 20 to 50 ⁇ m is formed. For example, in a bag making machine, a hot roll (70 to 80 ° C.) is used before bag making (before vertical sealing) or after bag making.
  • a hot roll 70 to 80 ° C.
  • the inventors filled the packaging bag body having a laminated plastic film structure of Tech Barrier NY15 vapor deposition surface / vapor deposition surface Tech Barrier PET12 / XA-HD40 with underwater seal filling, and this packaging bag body, that is, a beverage filling package body.
  • An experiment was conducted to measure the remaining amount when the liquid stopped flowing. As a result, as shown in Table 1, it was found that the effect was remarkable when a laminated plastic film subjected to unevenness processing was used.
  • a case in which a vertical stripe pattern by embossing was provided in the vicinity of the film-like check nozzle of the packaging bag body was compared with a packaging bag body that was not subjected to uneven processing.
  • the concavo-convex structure 14 is formed in such a manner that at least a part of the unpacked portion of the packaging bag main body and the film-like non-return nozzle, for example, the formation position thereof is at least a side edge on the nozzle mounting position side of the main body. From the vicinity along the line to the slit opening position of the film-like check nozzle (preferably up to a position 5 mm or more away from the tear line), a series of vertical stripes that are continuous in a straight line or a curved line are formed. Or, as shown in FIG.
  • the striped uneven structure provided in the film check nozzle and the striped uneven structure provided in the packaging bag body are crossed so as to be substantially (as a result) continuous. It may be provided.
  • Such a concavo-convex structure is effective in eliminating the intermediate wetting caused by securing the flow path at the time of re-pouring or breaking the film even when there is little liquid package in the packaging bag body. Yes, these are applied in the form of a partial pattern or a full pattern as a planar shape, an island shape, or a stripe shape.
  • the provision of such a concavo-convex structure may sometimes obstruct the important check action of the film-like check nozzle.
  • the above-described non-return function was improved together with the creation of the route by the concavo-convex structure.
  • an inner surface of a dispensing passage provided in a film-like check nozzle that is, a passage inner surface formed of a sealant layer, and a self-sealing reverse effect exerted by a liquid package being interposed in the passage by capillary action.
  • the discharge passage of such a film-like check nozzle has an inner surface in the vicinity including the planned nozzle opening position or an inner surface only in the vicinity including the predetermined nozzle opening position.
  • a wetting layer obtained by performing the following wetting treatment is provided.
  • the surface of the sealant film of a laminated plastic film made of a film having a particularly low polarity and low activity such as PE or PP is applied to the film surface by a physical method, a chemical method or a mechanical method.
  • the physical method includes corona discharge treatment, UV ozone treatment, resin coating treatment surface, metal deposition treatment, electroless plating treatment, metal low temperature spraying treatment, plasma etching treatment, and flame treatment.
  • the wetting treatment a method is adopted in which the surface tension is improved by physical surface modification of the film surface and surface modification by generation of a polar functional group, thereby improving the wettability of the film.
  • this treatment may be a method of treating the film surface with an acid or alkali as defined in JIS K6843-3: 1999, or a mechanical method such as mat processing.
  • the corona discharge process refers to the surface of the sample that passes between the dielectric and the electrode by generating a corona by applying a high frequency and high voltage between the dielectric and the electrode.
  • the mechanism for modifying the surface is considered as follows. That is, the oxygen present in the air is activated by the generated corona, and this oxygen cuts and enters the film molecular chain to generate polar groups (C ⁇ O, COOH, C—OH, etc.) and strong. Unevenness is generated on the sample surface by collision of electron energy. As a result, the surface strength and adhesiveness of the film are improved.
  • the said wetting process not only on the inner surface of the pouring path
  • the inventors experimented on a typical corona discharge with respect to the effect of the wetting treatment layer. Table 2 shows the results.
  • a dispensing amount control liquid reservoir 1b as shown in FIG. 1, FIG. 3, and FIG. 4 is provided at the lower edge of the film-like check nozzle, particularly at a location adjacent to the nozzle mounting base. This is a more preferred embodiment.
  • Fig. 1 shows the double pack packaging bag for drinking water of the present invention.
  • This double pack packaging bag is composed of a flexible packaging bag made of a soft laminated plastic film and a filter bag F housed in the flexible packaging bag.
  • a flexible packaging bag made of a soft laminated plastic film
  • a filter bag F housed in the flexible packaging bag.
  • an upper left edge of the packaging bag body 2 of the flexible packaging bag. Is provided with a film-like check nozzle 1 for pouring out the liquid package.
  • the film check nozzle 1 is formed on the sealant layer on the inner surface side of the joint portion of the packaging bag body 2, and is the outermost sealant layer at the base end of the film check nozzle 1, preferably the packaging bag body
  • a sealant layer made of the same kind of resin material as the other sealant layer is superposed and heat-sealed and fusion-bonded.
  • the sealant layer film on the inner surface of the splicing passage of these fusion-bonded portions has a high melting point, and this portion is fused at a low temperature below the melting point, so that the bonding strength is weak (the body of the bag body) Can be easily peeled off by applying an internal pressure and passing between the nozzle and the main body).
  • the film-like check nozzle 1 includes a thermoplastic base film layer, for example, a biaxially stretched PET layer or NY layer having a thickness of 5 to 40 ⁇ m, preferably 10 to 30 ⁇ m, and both surfaces of the base film layer.
  • Each of the sealant layers laminated on each other for example, a layer composed of three layers of an unstretched PE layer or a PP layer having a thickness of 5 to 80 ⁇ m, preferably 10 to 50 ⁇ m can be exemplified.
  • a laminated plastic film disposed on each side of the front and back that is, a laminated plastic film of two front and back sides having the same contour shape or the like, or a single laminated plastic film folded back on the front and back at the center are formed in a bag shape by fusing each other as shown by hatching in FIG. 1 at each side portion except for the base end side, preferably by heat sealing, with the inner surface side sealant layer facing each other. .
  • Such a film-like non-return nozzle 1 is shown in FIG. 2, as shown in an enlarged cross-sectional view of FIG. 1 along the line II-II in the nozzle width direction.
  • the sealant layers 6 and 6 'on the side are preferably heated over a predetermined width, for example, a width of 0.5 to 3 mm, preferably a width of 1.0 to 2.0 mm, in the peripheral portion excluding the base side.
  • the film-like check nozzle 1 is flattened by stacking as flat sheets as possible.
  • the outer surface side sealant layers 7 and 7 ' are fused to the inner surface (sealant layer) of the packaging bag body 2 preferably by heat sealing, so that the packaging bag body 2 In addition, it can be joined properly, reliably and easily.
  • the outer surface of the film check nozzle 1, that is, the outer surface of the outer surface side sealant layers 7, 7 ′ from the tear line (scheduled opening portion) to the base end side is prevented from dripping out of the liquid.
  • a water-repellent or oil-repellent coating layer (water-repellent or oil-repellent coating layer) 10 for improving the surface at least along the opening end and the lower edge.
  • the wetting treatment layer 11 for assisting the function of preventing the backflow of the atmosphere.
  • the wetting layer may also be formed on the inner surface of the packaging bag body in the vicinity of the film-like check nozzle 1 according to the waist and thickness of the laminated plastic film constituting the packaging bag body 2. It is preferable for ensuring the non-return function of the stop nozzle 1.
  • the water repellent material a water repellent coating agent made of silicone oil, fluorine resin, acrylic resin or amide resin is used, and as the oil repellent material, oil repellent such as silicon resin, Teflon resin, or silicon modified acrylic resin is used.
  • oil repellent such as silicon resin, Teflon resin, or silicon modified acrylic resin is used.
  • coating agents urethane, acrylic, ester, nitrified cotton, amide, vinyl chloride, rubber, styrene, olefin, vinyl chloride, cellulose, phenol, etc.
  • the film-like check nozzle 1 is preferably provided with a spire-like protrusion 1c for preventing dripping at a position slightly closer to the base end side than the planned opening at the lower edge, and this protrusion 1c.
  • the film-like check nozzle 1 configured as described above is used for filling the liquid bag with the liquid seal in the liquid bag to the packaging bag body 2 made of the laminated plastic film, or for filling the liquid bag with the liquid seal.
  • the sealant layers 7 and 7 ′ on the outer surface of the base end portion of the nozzle 1 are preferably formed on the inner surface of the packaging bag body 2 at the fusion part between the sealant layers on the side of the packaging bag body 2.
  • a double pack packaging bag is a filter bag F containing an extraction material M, which already contains a liquid (water or an aqueous solution containing components of the extraction material) which is one of the items to be packaged therein.
  • the packaging bag itself shown in FIG. 4 is not usually self-supporting or formable, it is shown in FIG. 5 and will be described in detail later when transporting, storing, displaying, and using the packaged goods. It is housed in an outer packaging container 9 having a self-supporting dispensing function. That is, as the outer packaging container 9, a so-called standing pouch P made of, for example, a soft laminated plastic film is suitably used in addition to a plastic hard container including paper.
  • the above-mentioned drinking water / extracting material co-filled package 8 is provided with self-supporting property and formability, and can be used as it is on a tabletop or the like.
  • the flexible packaging bag of the present invention as shown in FIG. 6, the bottom 16 of the ship bottom shape is fusion-bonded to the lower end portion of the packaging bag main body of the flexible packaging bag by heat sealing or the like, so that the flexible packaging bag itself is self-supporting. May be given.
  • the drinking water / extraction material co-filled package 8 does not need to be accommodated in the outer packaging container 9 as shown in FIG. 5, and can be used as it is.
  • the laminated plastic film constituting the packaging bag body 2 has a thickness or waistline in order to have self-supporting property and formability. It is necessary to use a high laminated plastic film, the thickness of the base film layer is 50 to 250 ⁇ m, preferably 80 to 180 ⁇ m, the thickness of the sealant layer is 10 to 60 ⁇ m, preferably 10 to 30 ⁇ m, and the stiffness is about 40 to 300 mN. It is preferable.
  • both corners of the flexible packaging bag are chamfered so that the bottom portion has a gently curved shape with a downward convexity, As a result, both corners of the bottom portion do not come into contact with the floor surface, and the entire lower end of the drinking water / extracted material co-filled packaging body 8 is attached to the floor surface. Standing can be secured.
  • the radius of curvature R is preferably formed so as to gradually decrease toward the bottom.
  • the reason why the radius of curvature R is set to 8 mm or more is that, when the radius is less than 8 mm, both corners of the bottom of the ship bottom shape come into contact with the floor surface, and the central portion of the drinking water / extraction material co-filled package 8 is lifted. is there.
  • the tip end side of the tearable portion of the film-like check nozzle 1 is removed by tearing or excised, that is, the opening of the nozzle, that is, the spout
  • the liquid non-packaged product (extracted beverage) in the double pack packaging bag is provided in the non-return nozzle 1 in a posture in which the drinking water / extracted material co-filled package 8 is tilted. Pour out without inhalation or inhalation of outside air from the spout.
  • the inner surface of the film-like non-return nozzle is a liquid packaged object that wets the inner surface, ie, pouring. This is brought into close contact with the whole under the presence of a liquid film composed of a region, thereby reliably preventing the outside air from entering the packaging bag body 2.
  • the above-mentioned drinking water / extracted material co-filled package 8 is completely accompanied by the intake of outside air into the packaging bag body 2 under contraction or crushing deformation corresponding to the amount of the extracted beverage to be poured.
  • the outside air enters the packaging bag body with a tight seal by the non-return function of the inner surface of the dispensing passage of the film check nozzle 1
  • the drinking water / extracted material co-filled packaging body 8 is returned to the upright position to stop the dispensing, and at the same time, the tip of the film-like check nozzle 1
  • the automatic spout closure of the spout provided in is brought about.
  • the close contact due to this check function of the film check nozzle 1 is the laminated plastic on the front and back shown in FIG.
  • the films 3 and 4 return to the original shape at the time of manufacturing the film-like check nozzle 1 and the drinking water in the film-like check nozzle 1 flows back into the packaging bag body 2, the front and back films 3, 4 Are placed in a reduced-pressure atmosphere, so that the inner surfaces of the soft films (sealant layers 6 and 6 ') are interpolated by the capillary action of the liquid that is the drinking water adhering to this surface, and the entire nozzle width is reduced. This is performed by, for example, being negatively adsorbed to each other.
  • both the self-supporting property and the regularity are obtained by filling together the filter bag F formed by enclosing water (extraction liquid) L and the extraction material M in the flexible packaging bag of the double pack packaging bag described above.
  • the beverage / extractable material co-filled packaging body 8 is a self-supporting outer packaging having a dispensing function as shown in FIG.
  • a drinking water / extracting material co-packing type packaging structure that is held in a container 9 so as to be able to stand on its own is proposed. That is, when the flexible packaging bag formed by projecting the above-described film-like check nozzle 1 is formed of a soft laminated plastic film, even if it is filled and stored, it is self-supporting. Therefore, it cannot be used as it is. Therefore, such a beverage / extraction material co-filled package 8 needs to be used in combination with another self-supporting outer packaging container 9 having a dispenser function because of flexibility, that is, a standing pouch P or the like. .
  • the outer packaging container 9 used to store the above-described non-self-supporting beverage / extraction material co-filled packaging body 8 is formed by a laminated plastic film having at least a lower part in a cylindrical bag shape.
  • a self-supporting flexible packaging bag (standing pouch P) provided with a ship bottom-shaped bottom 16 so that it can be self-supporting is preferably used.
  • this outer packaging container 9 it is substantially the same shape as the said film-like non-return nozzle 1 in the one edge part used as the position corresponding to the said film-like non-return nozzle 1, for example, the upper part of a side edge part like the example of illustration.
  • a standing pouch P or the like having a protruding sachet 15 surrounding the nozzle is preferably used.
  • the top of the outer packaging container 9 having the dispenser function is preferably heat-sealed together with the top of the package main body of the beverage / extraction material co-filled packaging 8 to be stored, or the top is chucked. Etc., or the top portion is embossed and temporarily fused to the main body so that the co-filled packaging body 8 can be exchangeably stored or replaced with another outer packaging container 9. Those are preferred.
  • the self-supporting outer packaging container 9 preferably having a self-supporting dispensing function is composed of, for example, a laminated plastic film including a uniaxial or biaxially stretched base film layer and a sealant layer, and the base film is A material having a form of a standing pouch P or the like using a laminated plastic film made of a polyethylene terephthalate film layer or a nylon resin film layer and a sealant layer made of a polyethylene layer or a polypropylene layer is preferably used.
  • the outer packaging container 9 is not limited to such a bag-like tending pouch P made of a flexible film, but at least the main body portion is made of other self-supporting cylindrical plastic containers or paper (film laminates).
  • a package body having a dispenser function (a function capable of pressurizing the packaging bag body portion to pour out an article to be packaged) such as aluminum or stainless steel.
  • the overhanging sachet 15 surrounding the nozzle provided on one side upper part of the self-supporting outer packaging container bag 9 has an upper edge at a position corresponding to the position of the tearing opening of the film check nozzle 1.
  • an opening tearing guide rod such as an I notch, V notch, U notch, base notch or diamond cut provided at the lower edge portion is provided, and a cutout portion 15a for exposing the film check nozzle 1 as shown in FIG. 5 is provided.
  • the above-described non-self-supporting double pack packaging bag housed therein that is, a film-like check nozzle 1 protruding from the drinking water / extraction material co-packaging body 8 is provided.
  • the protruding portion can be exposed, and the nozzle opening 1a is further opened for use.
  • the upper end side seal portion 8a is sometimes attached to the standing pouch P as shown in FIG. It is heat-sealed and fused together over a part (spot) or full width on the upper side, and stored in a suspended state.
  • the liquid-filled package 8 filled with the liquid can be held firmly in the standing pouch P, and has the effect of assisting the smooth outflow of the liquid package. Moreover, in this case, it becomes possible to sufficiently protect against various impacts during handling and distribution of the drinking water / extractable material co-filled package 8, and the liquid-filled package 8 Misalignment is eliminated, and pinholes and the like, deformation and breakage of the film-like check nozzle, and erroneous opening can be prevented.
  • the drinking water / extracted material co-filled package 8 is stored in the standing pouch P, it is in the vicinity of the film-like non-return nozzle 1, particularly in the vicinity of the bottom or in the top, or in one or two places in the top of the packaging bag body.
  • fixing the bottom portion is effective in effectively acting when all the extracted beverage is smoothly poured out to the end.
  • the role of the outer packaging container 9 described above is to hold the drinking water / extraction material co-filled packaging body 8 housed therein, and to push out the extracted beverage filled with the liquid seal in the flexible packaging bag.
  • the extracted beverage can be smoothly delivered and discharged from the packaging bag body 2 to the film check nozzle 1 part with the help of the uneven structure 14 described above.
  • the outer packaging container which has a dispensing function is used effectively by having the flexibility mentioned above and elastically deforming.
  • the said film-like non-return nozzle 1 used in this invention is the attitude
  • the outer surface side is a low-melting point sealant layer
  • the high-melting point sealant layer on the inner surface of the packaging bag body 2 is fusion-bonded, while the sealant layer on the inner surface side of the base end portion of the film check nozzle 1 is
  • the temporary sealing portion 12 may be bonded in a relatively low temperature with an adhesive strength less than half of the original heat seal strength.
  • the heated extraction beverage does not enter the extraction passage 13 of the film-like check nozzle 1, and thus the extraction passage 13 is permanently deformed in a direction to be inflated by the heat of the extraction beverage. Can be sufficiently protected, and at the same time, until the check nozzle 1 is opened (cutting off the tip), the article to be packaged is prevented from inadvertently entering the dispensing passage of the check nozzle 1. Demonstrate the effect. Thereby, the function of the film-like non-return nozzle 1 can be sufficiently exerted on the portion of the film-like non-return nozzle 1 on the tip side of the temporary sealing portion 12 (so-called nozzle dispensing passage 13).
  • the self-seal check function at the time of stopping the pouring of the article to be packaged can be sufficiently exhibited.
  • the heat seal strength of the temporary sealing portion 12 is 0.3 to 3 (N / 15 mm), particularly 0.7 to 1 (N / 15 mm).
  • the above-mentioned range prevents accidental opening of the temporary sealing portion 12 while intentionally opening the temporary sealing portion without affecting the other fusion bonded portions. Is preferable.
  • the load for opening the temporary sealing portion 12 should be in the range of 50 to 350 (N), especially 100 to 200 (N), leading to bag breakage at other locations including the sealing portion. However, it is necessary to prevent accidental opening during transportation and work.
  • the opening load is less than 50 (N)
  • the temporary sealing portion may be opened by the lower packaging bag due to the stacking of the packaging bags filled with the packaged object, and conversely, 350 (N)
  • the base end portion of the film-like non-return nozzle 1 as shown in FIG. 1 is bonded at a low temperature to the upper side portion of the flexible packaging bag body 2 (NY15 / PET12 / LLDPE40).
  • the laminated structure of the film-like non-return nozzle film is a linear low density polyethylene layer (low melting point sealant layer) / biaxially stretched polyethylene terephthalate layer / linear.
  • a low-density polyethylene layer (high-melting-point sealant layer) was heated and pressurized at a cylinder pressure of 300 kPa for 3 seconds by a heat sealer with a cylinder using a heat sheet temperature as a parameter.
  • the filter bag F is simply loaded in the packaging bag body 2 and then liquid (water, etc.) is supplied.
  • a method of filling with a seal in a liquid a method of loading a filter bag F into a packaging bag body, degassing, filling a liquid (water, etc.) and then heat-sealing, impulse sealing the filter bag F at a predetermined position on a film
  • Install the filter bag F vertically or horizontally and fill it with liquid (water, etc.) then fill it with a liquid seal, or attach the filter bag F in advance at the specified position on the film and seal it vertically and horizontally. Or by heat sealing with water.
  • the technology of the present invention is not only a double pack packaging bag having a film-like check nozzle and a drinking water / extracting material co-packing packaging structure using the same, but also a general liquid filling packaging body, especially a packaging bag body.
  • the present invention can also be applied to a packaging structure or the like that contains a soft packaging bag for refilling having a general liquid spout integrally formed therewith.

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Abstract

L'invention concerne une structure de conditionnement remplie d'eau de boisson/infusion qui sert à maintenir sur une table ou analogue, prêts à l'emploi, un sac de conditionnement à deux poches formé de manière à être rempli d'un liquide tel que de l'eau et un sachet de filtre contenant une infusion telle que du thé, du café ou du bouillon. Le corps principal du sac est une poche de conditionnement non autonome sans forme, souple, qui permet de maintenir la fraîcheur initiale de boissons infusées et d'infusions pendant une longue durée sans dégradation de la saveur de celles-ci.
PCT/JP2010/072306 2009-12-07 2010-12-06 Sac de conditionnement à deux poches pour eau de boisson et structure de conditionnement remplie d'eau de boisson/infusion WO2011071173A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009277270A JP5344761B2 (ja) 2008-12-09 2009-12-07 飲料水用ダブルパック包装袋および飲料水・抽出素材共充填型包装構造体
JP2009-277270 2009-12-07

Publications (1)

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WO2011071173A1 true WO2011071173A1 (fr) 2011-06-16

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JP2002362591A (ja) * 2001-06-11 2002-12-18 Kau Pack Kk 流体包装袋
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JP2014009030A (ja) * 2012-07-03 2014-01-20 Yushin:Kk 包装袋、それを用いた包装体および該包装袋の製造方法
EP2871137A4 (fr) * 2012-07-03 2015-12-23 Yushin Co Ltd Sac d'emballage, emballage l'utilisant, et procédé de fabrication pour sac d'emballage
US9511904B2 (en) 2012-07-03 2016-12-06 Yushin Co., Ltd. Package bag, package body using the same, and method of manufacturing said package bag

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