Classifications

• • 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
  • B65D51/00—Closures not otherwise provided for
  • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
• • 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
  • B65D51/00—Closures not otherwise provided for
  • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
  • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
• • 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
  • B65D33/00—Details of, or accessories for, sacks or bags
• • 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
  • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
• • 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
  • B65D75/5861—Spouts
  • B65D75/5872—Non-integral spouts
  • B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
• • 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
  • B65D2251/00—Details relating to container closures
  • B65D2251/0003—Two or more closures
  • B65D2251/0006—Upper closure
  • B65D2251/0015—Upper closure of the 41-type
• • 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
  • B65D2251/00—Details relating to container closures
  • B65D2251/0003—Two or more closures
  • B65D2251/0068—Lower closure
  • B65D2251/0093—Membrane

Definitions

• Container sealing structure and lid used therefor
• the present invention relates to a container sealing structure in which a container opening is sealed with a sealing member, and further, a lid is attached, thereby ensuring high sealing performance and easy opening and peeling of the sealing member, and It is related with the lid used for this.
• Patent Document 1 the opening of the container body is bonded and sealed with an adhesive strength that can be peeled off by an inner lid made of a plastic sheet, and the outer lid is placed on the inner lid and screwed onto the container body.
• a retort plastic container is disclosed. According to the plastic container for retort disclosed in Patent Document 1, when the retort is sterilized, when the inner lid that seals the container is opened, the inner lid is easily peeled off. It can be done.
• Patent Document 2 a seal member is thermally welded to the top surface of the dispensing cylinder, and a cap provided on the inner surface with a contact ring that contacts the top surface of the dispensing cylinder is screwed to the dispensing cylinder.
• the resulting bouching spat is disclosed.
• the sealing member can be pressed by the contact ring and the sealing performance of the sealing member can be improved, so that it is not necessary to increase the adhesive force of the sealing member more than necessary.
• the seal member can be easily opened and peeled.
• Patent Document 3 discloses a seal that welds the outer peripheral edge of the sealing material to the outer surface of the opening end of the mouth portion, and seals the opening end of the mouth portion by a dome-shaped protrusion provided on the back surface of the cap.
• a packaging bag with a mouth that presses a material is disclosed. According to the packaging bag with a mouth portion disclosed in Patent Document 3, the dome-shaped projections adhere to the sealing material without damaging the sealing material, and water is applied to the upper surface of the sealing material sealing the mouth portion during the heat treatment. It is said that it can be prevented from entering.
• Patent Document 1 JP-A-6-219464
• Patent Document 2 Japanese Patent Laid-Open No. 2002-104453
• Patent Document 3 Japanese Patent Application Laid-Open No. 2004-224355
• the inner lid made of a plastic sheet is pressed against the upper surface of the container opening by the packing that also has a silicone rubber force provided on the inner surface of the outer lid.
• the packing that also has a silicone rubber force provided on the inner surface of the outer lid.
• the pressure inside the container rises during high-temperature sterilization or drop impact, and piles on the elastic force of the packing and lifts the inner lid against the inner surface of the outer lid, the inner circumference of the upper surface of the opening On the side, there is a problem that the inner lid peels from the upper surface of the opening. In this way, if peeling occurs even in a part of the inner peripheral side of the inner lid, the contents may enter the part, which may cause discomfort to the purchaser at the time of opening. Therefore, it is not preferable.
• the present invention has been made in view of the above circumstances, and by sealing the container mouth portion with a sealing material and mounting a lid, the seal at the time of opening is ensured while ensuring high sealing performance.
• the container sealing structure that facilitates material peeling (opening peeling) prevents the peeling of the sealing material at the inner periphery of the container mouth even if the container is subjected to an impact when dropped or the pressure inside the container rises.
• An object of the present invention is to provide a container sealing structure that can be used, and a lid used therefor. Means for solving the problem
• the container sealing structure according to the present invention is a container sealing structure that seals the inside of a container by heat-sealing a sealing member on the upper end surface of the container mouth and attaching a lid to the mouth. And it is set as the structure which has the internal peripheral protrusion which contact
• the sealing member can be easily opened and peeled while ensuring high sealing performance. It is possible to prevent the sealing material from peeling off at the inner peripheral edge, and to effectively prevent the contents from entering between the upper end surface of the mouth and the sealing member.
• the container sealing structure according to the present invention may be configured such that an inner surface of the top plate of the lid body has an annular protrusion that abuts on the upper end surface of the mouth portion via the seal member. .
• the seal member is more reliably prevented from being peeled off due to an increase in pressure in the container, and sterilizing water used during high-temperature sterilization is prevented from entering between the lid and the seal member. can do.
• the container sealing structure according to the present invention may be configured such that the lid is attached to the mouth so that a gap is formed between the lid and the seal member.
• the sealing member when the pressure in the container rises, the sealing member can be curved upward in the lid to absorb the increase in internal pressure.
• the lid is attached to the mouth portion so as to be resealable! /, Can be configured.
• the lid according to the present invention is a lid that is used in the container sealing structure as described above, and is attached to a container mouth sealed with a sealing member, and covers the mouth.
• a sealing member Provided with a plate, and when mounted on the mouth portion, the seat is located closer to the inner side than the inner periphery of the mouth portion.
• the lid has an inner peripheral projection that abuts on the inner surface of the top plate, and the lid according to the present invention is formed on the inner surface of the top plate via the seal member.
• a configuration having an annular protrusion that abuts on the end face may also be adopted.
• the container mouth is sealed with the seal member, and the lid is attached to facilitate sealing and peeling of the seal member while ensuring high sealing performance.
• the inner peripheral projection formed on the inner surface of the lid top surface prevents the seal material from peeling off at the inner peripheral edge of the container mouth, and the contents enter between the upper end surface of the mouth and the film material. Can be effectively avoided.
• FIG. 1 is a partially cutaway sectional view showing an outline of an embodiment in which a container sealing structure according to the present invention is applied to a spout for a bouch.
• FIG. 2 is an enlarged cross-sectional view of a main part of the embodiment shown in FIG.
• FIG. 3 is a top view showing a state in which a sealing member is heat-sealed on the upper end surface of the opening of the dispensing cylinder.
• FIG. 4 is a front view showing an example of a spouted bouch.
• FIG. 1 is a partially cutaway sectional view of the spout showing an embodiment in which the container sealing structure according to the present invention is applied to a spout for a bouch.
• FIG. 2 is an enlarged cross-sectional view of the main part of the portion surrounded by the chain line in FIG.
• a spout 1 shown in FIG. 1 has a spout body 10 having a boat-shaped portion 11 and a cylindrical-shaped pouring tube 12 extending upward from the boat-shaped portion 11, and an opening of the pouring tube 12.
• a seal member 13 is heat-sealed on the upper end surface of the part.
• a thread 14 for screwing the cap 15 is formed on the outer peripheral surface of the dispensing cylinder 12, and a plurality of slits 14a for draining water are provided on the thread 14 in the circumferential direction.
• the opening of the dispensing cylinder 12 is sealed with a seal member 13 as shown in the figure, and the cap 15 is screwed onto the dispensing cylinder 12 so as to cover the sealing member 13. Has been.
• the cap 15 is screwed to be attached to the dispensing cylinder 12, it is preferable that the cap 15 can be resealed even after opening. It is not limited to.
• the boat-shaped portion 11 provided in the spout body 10 has a cylindrical portion 11a that is continuous with the pouring cylinder 12, and from the cylindrical portion 11a, the boat portion 11a is almost symmetrical in the figure.
• 3 includes three welding substrates l ib extending horizontally in a triangular shape, and a flange portion 1 lc located at the boundary between the pouring tube 12 and the cylindrical portion 11a.
• the welded substrates l ib are arranged at predetermined intervals along the central axis direction of the cylindrical portion 11a, and are connected to each other vertically by a column portion l id located on the tip side. Further, as will be described later, the entire circumference of the side surface of the welding substrate l ib is heat sealed to the spout seal portion 35 of the bouch body 3, and at this time, the flange portion 11 c abuts against the side of the sput seal portion 35. Thus, positioning is performed with respect to the soft wrapping material forming the bouch body 3 (see FIG. 4).
• the spout body 10 and the cap 15 are manufactured by a molding means such as injection molding using a thermoplastic resin typified by polyolefin-based resin such as polypropylene and polyethylene. Can do.
• a bottle-shaped container or the like in addition to the force exemplified by the spout 1, a bottle-shaped container or the like
• the present invention can be applied to various types of containers.
• the mouth part of the corresponding bottle-shaped container in the above embodiment can be formed integrally with the container body, and in addition to the above-mentioned polyolefin resin.
• Various thermoplastic resins including polyester-based resins such as polyethylene terephthalate and polyethylene naphthalate can be used.
• Bottle type containers can be manufactured by direct blow molding, stretch blow molding, etc.In the case of stretch blow molding, the container mouth can be shaped at the time of preform molding such as injection molding prior to blow molding. .
• the cap and the container mouth are manufactured by making a friend with the above-mentioned fats or other thermoplastic fats, or functional fats such as oxygen-free fats. It can be appropriately manufactured with a known configuration such as a multilayer structure.
• the sealing member 13 heat-sealed on the upper end surface of the opening of the dispensing tube 12 has a substantially circular film material force.
• Two protruding pieces 13a are formed to protrude.
• the projecting piece 13a is provided as a knob piece for facilitating peeling when the seal member 13 is opened and peeled.
• FIG. 3 is a top view showing a state in which the sealing member 13 is heat sealed to the upper end surface of the opening of the dispensing cylinder 12.
• a film material used for such a sealing member 13 for example, a film material having a multilayer structure in which a base material layer, an intermediate layer (barrier layer), and a sealant layer are sequentially laminated via an adhesive layer is used.
• the specific configurations include required tensile strength, drop impact resistance, pinhole resistance, content resistance, gas barrier properties, and high-temperature heat sterilization such as hot water sterilization and retort sterilization. If necessary, it can be appropriately selected in consideration of heat resistance.
• the substrate layer has a substrate excellent in mechanical properties such as tensile strength, impact strength, and pinhole resistance. It is preferable to use a film. Specifically, polyester resin such as polyethylene terephthalate, polyamide resin such as nylon, and polyolefin resin such as polypropylene. It is possible to use a biaxially stretched film that has strength such as in-based greaves, either singly or in layers.
• a metal such as aluminum, an inorganic oxide such as alumina (acid-aluminum) or silica (acid-caine), or the like is vapor-deposited.
• a noble organic material such as salt vinylidene or polyacrylic acid, or from an oxygen-absorbing resin or reducing metal compound containing an oxidizing polymer in the base film.
• barrier properties may be imparted to the base film itself if necessary.
• a synthetic resin film having barrier properties against various gases and water vapor can be used.
• Examples of such a synthetic resin film include: an ethylene butyl alcohol copolymer film; a vinylidene chloride copolymer film; a crystalline polyamide capable of obtaining a polycondensation reaction force between metaxylenediamine (MXDA) and adipic acid.
• MXDA metaxylenediamine
• Non-organic organic material coating films such as polyacrylic acid; Clay-based nanocomposite coating films based on thermosetting resins such as phenol resin, epoxy resin, and polyimide resin.
• an oxygen absorbent containing an oxidizing polymer or the like, an oxygen absorbent composed of a reducing metal compound, or the like may be appropriately blended.
• metal foil including alloy foil
• aluminum foil or steel foil as another material for imparting barrier properties.
• the sealant layer has heat sealability (which means that it can be melted, diffused and re-solidified at least below the melting point of the material constituting the base material layer), heat seal strength, heat resistance ( Heat seal strength at high temperature), content resistance and hygiene are required.
• the spur 1 is composed of polyolefin resin, for example, low density polyethylene, linear low density polyethylene (Chidarer system (multiple Site catalyst), meta-mouth sens system (single Site catalyst)), ethylene ⁇ -olefin copolymer, ethylene copolymer grafted with ethylenically unsaturated carboxylic acid or anhydride, medium density polyethylene, high density polyethylene, polypropylene, propylene monoethylene copolymer, polybutene 1.
• polyolefin resin for example, low density polyethylene, linear low density polyethylene (Chidarer system (multiple Site catalyst), meta-mouth sens system (single Site catalyst)), ethylene ⁇ -olefin copolymer, ethylene copolymer grafted with ethylenically unsaturated carboxylic acid or anhydride, medium density polyethylene, high density polyethylene, polypropylene, propylene monoethylene copolymer, polybutene 1.
• Ion-crosslinking in which a metal ion group is introduced into a part of 1, 1, methyl pentene, ethylene acetate butyl copolymer, ethylene acrylic acid copolymer, ethylene-methacrylic acid copolymer, ethylene-methacrylic acid copolymer, etc.
• Polyolefin resins such as olefin copolymers (ionomers) and ethylene-tetracyclodecene copolymers (cyclic olefin copolymers); aromatic butyl copolymers such as polystyrene and styrene-butadiene copolymers; Bul, Poly-halogenated resin such as vinylidene; Acrylonitrile copolymers such as nitrile-styrene copolymer and acrylo-tolyl butadiene styrene copolymer; polylactic acid-based resin (including polymesolactide-containing system); relatively low melting point polyester-based resin such as polybutylene terephthalate Examples include fats. These rosins can be used alone or in combination as needed.
• the synthetic resin material used for the sealant layer includes polyethylene terephthalate polybutylene terephthalate, polyphthalic carboxylic acid components such as isophthalic acid adipic acid, and the like. It is preferable to use a copolymer polyester modified with a polyhydric alcohol component such as 1,4 butanediol or 1,4-cyclohexanedimethanol. Then, by blending such a copolyester with an incompatible synthetic resin material such as polyethylene or polypropylene, easy peelability can be imparted to the sealant layer.
• polyurethane-based resins such as polyether-based polyurethane resins and polyester-based polyurethane resins, polyester-based resins, epoxy-based resins , Acrylic resin, and olefin resin introduced with polar groups.
• the synthetic resin film forming each layer is obtained by a usual method such as a casting method, a saddle die method, a calendar method or an inflation method. be able to.
• a film material having a multi-layer structure can be obtained by using a dry lamination method of a pre-formed film, It can be obtained by a usual method such as a lamination method, a laminate coating method, a melt coextrusion method or the like.
• the surface in contact with the adhesive layer of each layer is subjected to corona discharge treatment, flame treatment (flame treatment), ultraviolet rays.
• corona discharge treatment flame treatment (flame treatment), ultraviolet rays.
• Surface modification treatment using treatment, ozone treatment, primer coating treatment coating with alkyl titanate, polyethyleneimine, silane coupling agent, isocyanate compound, polyuretan compound, etc. can be performed.
• the cap 15 includes a top plate 15a that covers the opening of the dispensing tube 12, and the inner peripheral surface of the cylindrical wall 15c that hangs down from the periphery of the top plate 15a includes: A thread groove 15b corresponding to the thread 14 of the dispensing cylinder 12 is formed. Furthermore, an annular protrusion 15d that abuts on the upper end surface of the opening of the dispensing tube 12 through the seal member 13 is formed on the inner surface of the top plate 15a. The annular protrusion 15d is formed along the upper end face of the opening of the dispensing cylinder 12, and the annular protrusion 15d is configured to press the seal member 13 against the upper end face of the opening of the dispensing cylinder 12. .
• the seal strength of the seal member 13 is filled and sealed with the contents.
• Priority is given to easy releasability without considering high temperature sterilization and separation in the distribution process, for example, it can be set as appropriate in the range of 5 to 25 NZl5 mm, especially by setting it to 15 NZl5 mm or less
• easy peelability of the seal member 13 can be realized.
• the seal strength of the force seal member 13, which is determined to be 23 NZl 5 mm or more according to related laws and regulations, can be selected within this range.
• the annular protrusion 15d is in contact with the upper end surface of the opening of the dispensing tube 12 via the seal member 13, so that the sterilizing water Can be prevented from entering the upper surface of the seal member 13.
• annular inner peripheral protrusion 15e located on the inner peripheral side of the annular protrusion 15d is connected to the annular protrusion 15d. It is formed concentrically.
• the inner circumferential projection 15e is in the state where the cap 15 is attached to the dispensing tube 12 so that the distal end side of the inner circumferential projection 15e contacts the seal member 13.
• the tip is formed with a protruding length such that the tip is located below the horizontal plane formed by the upper end surface of the opening of the dispensing tube 12 (see FIG. 2).
• the tip of the inner peripheral projection 15e is positioned below the horizontal plane including the upper end surface of the opening of the dispensing cylinder 12. It suffices to be positioned on a horizontal plane including the upper end surface of the opening of the cylinder 12 and to be in contact with the seal member 13.
• the annular protrusion 15d described above prevents the entire peeling from the upper end surface of the opening of the seal member 13, whereas the inner peripheral protrusion 15e
• the main purpose is to prevent partial peeling of the sealing member 13 at the periphery.
• the forming position force of the inner peripheral projection 15e is excessively separated from the inner peripheral edge of the opening, and when the internal pressure is increased, the seal member 13 located in the vicinity of the inner peripheral edge of the opening of the dispensing cylinder 12 is lifted upward. Therefore, the function of preventing the peeling off of the seal member 13 at the inner peripheral edge of the opening of the dispensing tube 12 is impaired. For this reason, the formation position of the inner peripheral projection 15e is a position between the inner peripheral edge of the opening and about half of the opening radius of the extraction pipe 12, and is not too far from the inner peripheral edge of the opening. Inward side of the inner periphery of the opening It is necessary to form it in the vicinity.
• the cap 15 is provided with the inner peripheral projection 15e that contacts the seal member 13.
• the seal member 13 positioned on the outer peripheral side of the inner peripheral protrusion 15e is prevented from being lifted beyond the upper end surface of the opening of the dispensing cylinder 12, thereby Since the seal member 13 can be kept in close contact with the upper end surface of the opening of the dispensing tube 12, the contents enter between the upper end surface of the opening of the dispensing tube 12 and the seal member 13. Can be effectively avoided.
• the inner peripheral protrusion 15e is not limited to an annular shape, and may be formed by arranging a plurality of small protrusions in an annular shape as long as the above function is obtained.
• the specific configuration can be changed as appropriate within the range in which the above-described functions are not impaired.
• a predetermined gap 2 is formed between the cap 15 and the seal member 13.
• the seal member 13 bends upward in the cap 15 to absorb the increase in internal pressure during high-temperature sterilization or drop impact. As a result, the impact applied to the seal member 13 when the internal pressure rises is mitigated.
• the spout 1 as described above is used, for example, by being attached to a bouch body 3 as shown in Fig. 4 as an outlet for contents.
• the bouch body 3 is composed of a body portion 31 and a bottom portion 32 formed of a soft wrapping material such as a resin film.
• a side seal 33 is applied to the side periphery of the body 31 with the bottom 32 folded at a fold line 32a, and a bottom seal 34 is applied between the body 31 and the bottom 32.
• an inclined portion 4 that is obliquely cut is provided at the upper left corner of the figure, and the spout seal portion 35 of the inclined portion 4 has a total circumferential force of the side surface of the welding substrate l ib of the spout 1 bouch.
• Soft packet forming body 3 Heat sealed to the material.
• Such a spout with a spout is usually transported to the content filling step with the top portion remaining unsealed, and after the content is filled, a top seal 36 is applied to the top portion.
• the spout 1 attached as the spout has the opening of the spout cylinder 12 sealed by the seal member 13, and the cap 15 is attached to the spout cylinder 12 so as to cover the seal member 13. Yes.
• the sealing strength of the sealing member 13 is easy to peel, the contents can be filled and sealed with high sealing performance.
• the cap 15 is removed and then the seal member 13 is opened and peeled.
• the seal member 13 can be heat-sealed with easy peel strength. It can be scraped so that it can be peeled open.
• the inner surface of the top plate 15a of the cap 15 has an annular protrusion 15d that abuts the upper end surface of the opening of the dispensing cylinder 12 via the seal member 13, and the inner periphery thereof The force that forms the circumferential protrusion 15e If the inner protrusion 15e alone can prevent the peeling of the upper end surface force of the seal member 13 and sufficiently secure the sealing performance, the annular protrusion 15d can be May be omitted.
• a container to which the present invention can be applied is not limited to a bouch as described above.
• the present invention is an impact caused by a drop in the distribution process, such as a bouch or a squeeze bottle. This is particularly suitable for a container having a flexible material force that greatly deforms when the container is added or when the handler strongly holds the container, and the degree of increase in internal pressure is large.
• the container mouth is sealed with the seal member, and the lid is attached, so that the seal member can be opened and peeled while ensuring high sealing performance.
• Easy and The sealed container structure can be used for various containers.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Bag Frames (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37727287

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (6)

Citations (10)

Family Cites Families (7)

• 2005
  • 2005-08-09 JP JP2005230687A patent/JP5002924B2/ja active Active
• 2006
  • 2006-08-02 CN CN2006800187384A patent/CN101184675B/zh active Active
  • 2006-08-02 WO PCT/JP2006/315326 patent/WO2007018101A1/ja active Application Filing
  • 2006-08-02 KR KR1020087000751A patent/KR101351218B1/ko active IP Right Grant
  • 2006-08-02 US US11/988,281 patent/US20090120935A1/en not_active Abandoned
  • 2006-08-02 EP EP06782195A patent/EP1914175A4/en not_active Withdrawn

Patent Citations (10)

Non-Patent Citations (1)

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