WO2022107825A1 - 容器 - Google Patents

容器 Download PDF

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Publication number
WO2022107825A1
WO2022107825A1 PCT/JP2021/042279 JP2021042279W WO2022107825A1 WO 2022107825 A1 WO2022107825 A1 WO 2022107825A1 JP 2021042279 W JP2021042279 W JP 2021042279W WO 2022107825 A1 WO2022107825 A1 WO 2022107825A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
elastomer
container according
peripheral wall
cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/042279
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
秀樹 中川
隆 堀江
悠 松本
祐生 早川
憲昭 伊達
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toagosei Co Ltd
Original Assignee
Toagosei Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toagosei Co Ltd filed Critical Toagosei Co Ltd
Priority to CN202180078187.5A priority Critical patent/CN116490289A/zh
Priority to CA3199540A priority patent/CA3199540A1/en
Priority to JP2022563809A priority patent/JP7589749B2/ja
Priority to US18/253,505 priority patent/US12595104B2/en
Publication of WO2022107825A1 publication Critical patent/WO2022107825A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • B65D77/048—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid and the outer container being of curved cross-section, e.g. cylindrical
    • B65D77/0486—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid and the outer container being of curved cross-section, e.g. cylindrical the inner container being coaxially disposed within the outer container
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/771—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00583—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes the container for the material to be dispensed being deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M11/00—Hand or desk devices of the office or personal type for applying liquid, other than ink, by contact to surfaces, e.g. for applying adhesive
    • B43M11/06—Hand-held devices
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/122—Threaded caps
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D2577/041—Details of two or more containers disposed one within another

Definitions

  • This disclosure relates to containers.
  • Japanese Patent Application Laid-Open No. 2019-508236 is a device for applying an adhesive and / or a sealing agent, which comprises a housing for accommodating a container, wherein the housing is a storage space for accommodating the container. Designed as a retractable coating tip connected to the containment space and capable of draining the adhesive and / or sealant, a stable casing for the accommodation space, and a deformable pressure region, said accommodation.
  • a device is described comprising at least one region of the housing, which can apply external pressure onto the container which can be placed in space.
  • the apparatus described in Japanese Patent Application Laid-Open No. 2019-508236 is a leaf spring in which a deformable pressure region for applying pressure to a container is formed by forming a slit in a housing.
  • the device does not take into account the tightness of the housing itself.
  • the coating tip portion is not housed in the housing, and the closing cap covers only a part of the coating tip portion. That is, in the device described in Patent Document 1, the airtightness of the container by the housing is not ensured, and the entire coating tip portion is not protected.
  • the leaf spring does not bend unless the free end of the leaf spring is pressed, and pressure cannot be applied to the container.
  • the present disclosure has been made in view of the above situation, and provides a container having improved air barrier properties and capable of easily discharging the contents of the inner container contained in the outer container.
  • the container according to the first aspect is an inner container provided with a nozzle portion for discharging the filled contents, and a tubular outer container made of hard resin containing the inner container and having an opening formed in the outer peripheral wall.
  • the outer peripheral wall is provided with an elastomer pressing portion that covers the opening, and a cap that covers the nozzle portion protruding from the outer container and is removable from the outer container.
  • the container according to the second aspect is the container according to the first aspect, further including a pedestal at the end of the outer container on the opposite side of the cap.
  • the container according to the third aspect is the container according to the first aspect or the second aspect, and the opening covered with the pressing portion is provided in a pair axially symmetrical with respect to the central axis of the outer container.
  • the container according to the fourth aspect further has the elastomer connecting portion in which the pair of the pressing portions are integrally connected so as to be wound around the outer peripheral wall of the outer container in the container according to the third aspect.
  • the container according to the fifth aspect further has the elastomer extension portion extending from the connecting portion toward the pedestal of the outer container in the container according to the fourth aspect.
  • the container according to the sixth aspect is the container according to any one of the first to fifth aspects, and a plurality of ribs are formed on the outer peripheral portion of the cap.
  • the container according to the seventh aspect is the container according to any one of the first to sixth aspects, and the outer peripheral wall of the outer container expands in diameter from the end on the cap side toward the pedestal. ing.
  • the container according to the eighth aspect is the container according to any one of the first to seventh aspects, and the content thereof is an adhesive.
  • the container according to the ninth aspect is the container according to the eighth aspect, and the inner container is made of polyolefin.
  • the container according to the tenth aspect is the container according to the ninth aspect, and the cap is made of polyolefin.
  • the container according to the eleventh aspect is the container according to any one of the second to tenth aspects, in which the desiccant is provided inside the pedestal.
  • the container according to the twelfth aspect is the container according to any one of the first to eleventh aspects, in which a recess is formed on the surface of the pressing portion.
  • the container according to the thirteenth aspect is the container according to any one of the first to twelfth aspects, and the pressing portion has a raised portion that is raised from the outer peripheral wall of the outer container.
  • the container according to the 14th aspect is the container according to the 13th aspect, and the maximum thickness of the raised portion is within the range of 0.2 mm or more and 1.0 mm or less.
  • the container according to the fifteenth aspect is the container according to any one of the first to the fourteenth aspects, and the elastomer has an A hardness of 40 or more and is within the range of less than 80.
  • the container according to the 16th aspect is the container according to any one of the 1st to 15th aspects, and the elastomer is transparent in a sample having a thickness of 0.5 mm measured in accordance with JIS Z 0208. Humidity is less than 2.0 g / m 2.24 hr.
  • the container according to the 17th aspect is the container according to any one of the 1st to 16th aspects, and the elastomer has an oxygen permeability coefficient of 1.0 ⁇ 10 ⁇ measured in accordance with JIS K 7126. It is less than 15 mol ⁇ m / Pa ⁇ s ⁇ m 2 .
  • the opening formed in the outer peripheral wall of the outer container is covered with the pressing portion made of elastomer.
  • the pressing portion made of elastomer.
  • the cap is attached to the outer container and covers the nozzle portion protruding from the outer container. Therefore, the air barrier property of the container can be improved as compared with the configuration in which the cap is detachably provided on the inner container.
  • the inner container is contained in a cylindrical outer container made of hard resin. As a result, even if the container is inadvertently pushed, the contents are suppressed from being ejected from the nozzle portion of the inner container.
  • the container can be erected on a workbench or the like with the pedestal facing down and the nozzle portion facing upward.
  • the container according to the third aspect when pressing the pair of pressing portions to eject the contents from the nozzle portions, it is easy to pinch and press the pair of pressing portions with the thumb and index finger.
  • the peeling of the pressing portion from the outer container is suppressed as compared with the configuration in which the pair of pressing portions are not integrally connected.
  • the peeling of the pressing portion from the outer container is suppressed as compared with the configuration having no extension portion.
  • the container according to the sixth aspect it is easy to grip the cap when attaching and detaching the cap.
  • the diameter of the outer container increases from the end on the cap side toward the pedestal. Therefore, it does not easily fall down when it is placed on a workbench or the like with the nozzle portion facing upward.
  • the adhesive filled in the inner container is less likely to deteriorate when not in use.
  • the adhesive remaining inside the inner container is hard to cure.
  • the adhesive remaining on the tip of the nozzle portion covered with the cap is difficult to cure.
  • the internal space of the container can be dried.
  • the thumb and the index finger can be fitted to the concave portion by pressing the pressing portion.
  • the position of the pressing portion can be determined by fumbling.
  • the container according to the fourteenth aspect it is easier to determine the position of the pressing portion by groping as compared with the configuration in which the maximum thickness of the raised portion is less than 0.2 mm. Further, as compared with the configuration in which the maximum thickness of the raised portion exceeds 1.0 mm, it is easy to press the inner container by pressing the pressing portion with the thumb and the index finger.
  • the container according to the fifteenth aspect it is easier to adjust the discharge amount of the contents by pressing the pressing portion, as compared with the configuration in which the A hardness of the elastomer is less than 40. Further, as compared with the configuration in which the A hardness of the elastomer is 80 or more, it is easy to adjust the discharge amount of the contents by pressing the pressing portion.
  • the water vapor barrier property of the container is improved as compared with the configuration in which the moisture permeability of the elastomer in the sample having a thickness of 0.5 mm is 2.0 g / m 2.24 hr or more.
  • the air barrier property of the container is improved as compared with the configuration in which the oxygen permeability coefficient of the elastomer is 1.0 ⁇ 10 -15 mol ⁇ m / Pa ⁇ s ⁇ m 2 or more.
  • FIGS. 1 to 10 An example of the container according to the embodiment of the present disclosure will be described with reference to FIGS. 1 to 10.
  • the container 10 As shown in FIG. 8, the container 10 according to the present embodiment includes an inner container 20 filled with contents and an outer container 70 that contains and protects the inner container 20. A cap 40 and a pedestal 50 are attached to the outer container 70. Further, the desiccant 60 is housed in the pedestal 50.
  • the inner container 20 includes a main body portion 22 and a nozzle portion 24.
  • the main body 22 is a bottomed cylindrical member extending in one direction.
  • the main body 22 has flexibility.
  • the main body 22 has a bottom 22a and an opening 22b formed at an end opposite to the bottom 22a. Further, a male screw portion 22c is formed on the outer peripheral wall of the end portion of the main body portion 22 on the opening 22b side.
  • the inside of the main body 22 is filled with a liquid, paste, or jelly-like adhesive as an example of the contents.
  • a liquid, paste, or jelly-like adhesive as an example of the contents.
  • Specific examples of the adhesive include 2-cyanoacrylate adhesives, epoxy resin adhesives, rubber adhesives, urethane resin adhesives, and silicone resin adhesives.
  • the content to be filled in the main body 22 of the inner container 20 in the present disclosure is not limited to the adhesive, and its properties are not limited to liquid, paste, or jelly.
  • the contents in the present disclosure include, for example, chemical products such as hardeners, coating agents, shoe polish, wax, foodstuffs such as mountain aoi, ginger, spicy pepper, large ginger, chocolate, toothpaste, cosmetics, daily necessities such as hair dye, ointments, etc. It may be a medicine, a stationery such as a paint, or the like.
  • the nozzle portion 24 is a substantially cylindrical member provided at the end portion of the main body portion 22 on the opening 22b side, extending in one direction and having both end portions opened in the longitudinal direction.
  • the tip portion 24a on the side opposite to the opening 22b of the main body portion 22 has a tapered diameter.
  • the nozzle portion 24 has a diameter-expanded portion 24b, which is a peripheral wall whose diameter is larger than that of the peripheral wall of the other nozzle portions 24, at the end portion of the main body portion 22 on the opening 22b side.
  • a female screw portion 24c corresponding to the male screw portion 22c of the main body portion 22 is formed on the inner peripheral wall of the enlarged diameter portion 24b.
  • the nozzle portion 24 is connected to the main body portion 22 by screwing the female screw portion 24c to the male screw portion 22c.
  • the main body 22 of the inner container 20 has flexibility. As a result, the peripheral wall of the main body 22 is pressed, and the contents such as the adhesive filled in the main body 22 are discharged from the opening on the tip 24a side of the nozzle 24.
  • the inner container 20 is preferably made of a material that is inert to the adhesive and does not have permeability or permeability to the adhesive.
  • the inner container 20 is preferably formed of, for example, a polyolefin resin such as polyethylene, polypropylene, an ethylene-vinyl acetate copolymer resin, an ethylene-vinyl alcohol copolymer resin, nylon, or polyethylene terephthalate.
  • a polyolefin resin such as polyethylene, polypropylene, an ethylene-vinyl acetate copolymer resin, an ethylene-vinyl alcohol copolymer resin, nylon, or polyethylene terephthalate.
  • a polyolefin resin such as polyethylene, polypropylene, an ethylene-vinyl acetate copolymer resin, an ethylene-vinyl alcohol copolymer resin, nylon, or polyethylene terephthalate.
  • the outer container 70 is a member that contains the inner container 20 with the tip of the nozzle portion 24 protruding.
  • the outer container 70 includes a main body portion 72 and an elastomer portion 80.
  • the main body 72 is a substantially cylindrical member that extends in one direction and has both ends open in the longitudinal direction.
  • the outer peripheral wall of the main body 72 has a substantially tapered diameter from the end of the inner container 20 on the nozzle portion 24 side toward the end on the side opposite to the nozzle portion 24.
  • the inner container 20 is inserted into the inside of the main body 72 through an opening on the side opposite to the side where the tip of the nozzle portion 24 of the inner container 20 protrudes.
  • the main body portion 72 is outside the enlarged diameter portion 24b of the inner container 20 so that the tip of the nozzle portion 24 of the inner container 20 inserted into the main body portion 72 protrudes. It has a structure that can be fitted to the diameter portion.
  • the main body 72 has a male screw portion 72a formed on the outer peripheral wall of the end portion of the inner container 20 on the nozzle portion 24 side. Further, the main body portion 72 has a fitting portion 72b having a structure capable of fitting with the inner wall of the outer peripheral wall of the pedestal 50, which will be described later, at the end portion on the side opposite to the side where the tip of the nozzle portion 24 of the inner container 20 protrudes. Is formed.
  • the outer peripheral wall of the main body 72 has a portion on the bottom side of the main body 22 of the inner container 20 with respect to the male screw portion 22c when viewed from the radial direction of the main body 72.
  • An opening 74 that penetrates the outer peripheral wall in a substantially rectangular shape is formed at a portion that overlaps with the outer peripheral wall.
  • the openings 74 are rectangular when viewed from the radial direction of the main body 72, and are formed in pairs at positions symmetrical with respect to the central axis of the main body 72 on the outer peripheral wall of the main body 72. That is, a pair of openings 74 are provided on the outer peripheral wall of the outer container 70 axially symmetrically with respect to the central axis of the outer container 70.
  • the outer peripheral wall of the main body 72 is recessed with respect to the outer peripheral wall at least around the opening 74, and the covering portion 76 is a portion covered with the elastomer portion 80 described later. Is formed.
  • the covering portion 76 has a first covering portion 77 formed between the male screw portion 72a and the fitting portion 72b, and a second covering portion 78 formed on the fitting portion 72b.
  • the first covering portion 77 is formed so as to be wound around the outer peripheral wall of the main body portion 72 in the circumferential direction around the pair of openings 74.
  • the opening 74 is located between the edges on both sides of the first covering portion 77 in the axial direction of the main body portion 72.
  • a part of the portion of the first covering portion 77 sandwiched between the pair of openings 74 in the circumferential direction extends along the axial direction so as to be flush with the outer peripheral wall of the main body portion 72.
  • a pair of rib portions 77a standing in the radial direction are formed.
  • the first covering portion 77 has a groove-shaped first extension groove 77b that extends toward the fitting portion 72b along the axial direction of the outer container and is connected to the second covering portion 78.
  • the second covering portion 78 is formed so that a part of the peripheral wall of the fitting portion 72b is wound in an annular shape in the circumferential direction around the outer peripheral wall of the other fitting portion 72b. Further, the second covering portion 78 extends along the axial direction of the outer container 70 toward the first extension groove 77b of the first covering portion 77, and is a groove-shaped second portion that bites into the first extension groove 77b. It has an extension groove 78b.
  • the main body 72 is made of hard resin.
  • the hard resin forming the main body 72 is preferably a synthetic resin that is inert to the adhesive and does not have permeability or permeability to the adhesive.
  • the hard resin forming the main body 72 is preferably a polyolefin resin such as polyethylene, polypropylene, an ethylene-vinyl acetate copolymer resin, an ethylene-vinyl alcohol copolymer resin, nylon, or polyethylene terephthalate, and a polyolefin-based resin. Resin is more preferred.
  • the portion overlapping the main body 22 of the inner container 20 when viewed from the radial direction preferably has a maximum thickness of 1.0 mm or more and within a range of 2.0 mm or less. Further, it is more preferable that the maximum thickness of the portion is 1.2 mm or more and 1.8 mm or less. The maximum thickness of the site in the embodiment is 1.5 mm.
  • Cap 40 As shown in FIGS. 1 to 3, 6 and 8, the cap 40 is detachably provided at the end of the outer container 70 on which the nozzle portion 24 of the inner container 20 projects. Further, the cap 40 is a tubular member that covers the nozzle portion 24 of the inner container 20 protruding from the outer container 70. The cap 40 has an outer cylinder portion 42 and an inner cylinder portion 44.
  • the outer cylinder portion 42 is a tubular portion in which one end is closed and the other end is open.
  • the closed portion of the outer cylinder portion 42 is the top portion 42a.
  • a female screw portion 42b corresponding to the male screw portion 72a of the outer container 70 is formed on the inner peripheral portion on the opening side of the outer cylinder portion 42.
  • the cap 40 is attached to the outer container 70 by screwing the female screw portion 42b of the outer cylinder portion 42 to the male screw portion 72a of the outer container 70.
  • the outer cylinder portion 42 has a tapered diameter increasing from the top portion 42a to the opening.
  • the outer cylinder portion 42 is formed with a plurality of ribs 42c that stand in the radial direction from the outer peripheral portion of the outer cylinder portion 42 and extend along the axial direction of the outer cylinder portion 42. Specifically, the outer cylinder portion 42 is formed with four ribs 42c axially symmetric with respect to the central axis of the outer cylinder portion 42.
  • the inner cylinder portion 44 is a tubular portion that stands from the inner wall of the top portion 42a of the outer cylinder portion 42 toward the opening of the outer cylinder portion 42.
  • the end of the inner cylinder 44 on the opening side of the outer cylinder 42 is open.
  • the cap 40 is made of a hard resin.
  • the hard resin forming the cap 40 is preferably a synthetic resin that is inert to the adhesive and does not have permeability or permeability to the adhesive.
  • the hard resin forming the cap 40 is preferably a polyolefin resin such as polyethylene, polypropylene, an ethylene-vinyl acetate copolymer resin, an ethylene-vinyl alcohol copolymer resin, nylon, or polyethylene terephthalate, and a polyolefin resin. Is more preferable.
  • the pedestal 50 is a cylindrical member detachably provided on the fitting portion 72b of the outer container 70.
  • the pedestal 50 has an outer cylinder portion 52, an inner cylinder portion 54, and a connecting portion 56.
  • the outer cylinder portion 52 is a tubular portion in which both end portions are open.
  • One end of the outer cylinder portion 52 is a fitting portion 52a mounted on the outer container 70 by fitting the inner peripheral wall of the end portion with the outer peripheral wall of the fitting portion 72b of the outer container 70.
  • the end of the outer cylinder portion 52 on the opposite side of the fitting portion 52a is the leg portion 52b.
  • the end faces of the legs 52b of the outer cylinder portion 52 mounted on the outer container 70 are orthogonal to the central axis of the outer container 70.
  • the outer peripheral portion of the outer cylinder portion 52 has an enlarged diameter from the fitting portion 52a side to the leg portion 52b side.
  • the inner cylinder portion 54 is a bottomed cylindrical portion that is arranged inside the outer cylinder portion 52 and has an open end on the fitting portion 52a side.
  • the connecting portion 56 connects the outer cylinder portion 52 and the inner cylinder portion 54, and the space sandwiched between the outer cylinder portion 52 and the inner cylinder portion 54 is formed between the fitting portion 52a side and the leg portion 52b side. It is a part that is partitioned so as not to ventilate.
  • the pedestal 50 is made of hard resin.
  • the hard resin forming the pedestal 50 is preferably a synthetic resin that is inert to the adhesive and does not have permeability or permeability to the adhesive.
  • the hard resin forming the pedestal 50 is preferably a polyolefin resin such as polyethylene, polypropylene, an ethylene-vinyl acetate copolymer resin, an ethylene-vinyl alcohol copolymer resin, nylon, or polyethylene terephthalate, and a polyolefin resin. Is more preferable.
  • the internal space of the container 10 is in a sealed state. That is, when the pedestal 50 and the cap 40 are attached to the outer container 70, the container 10 has an air barrier property.
  • the desiccant 60 is a columnar member housed inside the inner cylinder portion 54 of the pedestal 50.
  • the desiccant 60 absorbs moisture contained in the air in the space surrounded by the outer container 70, the cap 40, and the pedestal 50. That is, the desiccant 60 absorbs the moisture contained in the air in the internal space of the container 10.
  • the elastomer portion 80 is an elastomer member provided on the outer peripheral wall of the main body portion 72 and covering the covering portion 76.
  • the elastomer portion 80 includes a first elastomer portion 82 that covers the first coating portion 77, and a second elastomer portion 90 that covers the second coating portion 78.
  • the first elastomer portion 82 is provided so as to cover the first covering portion 77 of the main body portion 72, and is formed so as to be wound around the outer peripheral wall of the main body portion 72 in the circumferential direction.
  • the first elastomer portion 82 has a pressing portion 84 and a connecting portion 86.
  • the first elastomer portion 82 is formed so that a portion other than the pressing portion 84 is substantially flush with the outer peripheral wall of the main body portion 72.
  • the pressing portion 84 is a portion of the first elastomer portion 82 that covers the opening portion 74 of the main body portion 72.
  • the pressing portions 84 are formed in pairs corresponding to the pair of openings 74.
  • the pressing portion 84 has a raised portion 84a and a recessed portion 84b.
  • the raised portion 84a has a substantially rectangular shape when viewed from the radial direction of the main body portion 72, which is raised from the outer peripheral wall of the main body portion 72 in the pressing portion 84. It is the part of.
  • the maximum thickness T max of the raised portion 84a in the radial direction of the main body portion 72 is preferably 0.2 mm or more and preferably within the range of 1.0 mm or less. Further, it is more preferable that the maximum thickness T max of the raised portion 84a is in the range of 0.3 mm or more and 0.5 mm or less.
  • the maximum radial thickness T max of the raised portion 84a in the embodiment is 0.35 mm.
  • the recess 84b is an elliptical recess formed in the central portion of the surface of the raised portion 84a and is concave with respect to the raised portion 84a when viewed in the radial direction.
  • the maximum depth of the recess 84b is preferably 0.2 mm or more and preferably within the range of 0.8 mm or less. Further, it is more preferable that the maximum depth of the recess 84b is 0.4 mm or more and within the range of 0.6 mm or less.
  • the maximum depth of the recess 84b in the embodiment is 0.5 mm.
  • the pressing portion 84 is formed so that the portion of the main body portion 72 on the inner peripheral wall side is substantially flush with the inner peripheral wall of the main body portion 72. Further, the pressing portion 84 is pressed in the radial direction from the outer peripheral side and elastically deformed to reach the main body portion 22 of the inner container 20 so that the outer peripheral wall of the main body portion 22 can be pressed.
  • the connecting portion 86 is a portion of the first elastomer portion 82 in which the pair of pressing portions 84 are integrally connected to the first covering portion 77 of the outer peripheral wall of the main body portion 72 so as to be wound in the circumferential direction.
  • the connecting portion 86 is formed along the first covering portion 77.
  • the connecting portion 86 has a first extension portion 86a formed in the first extension groove 77b of the first covering portion 77.
  • the first extension portion 86a extends along the first extension groove 77b toward the fitting portion 72b and is connected to the second elastomer portion 90. That is, the first extension portion 86a of the connecting portion 86 extends toward the pedestal 50 that fits with the fitting portion 72b.
  • the first extension portion 86a is an example of the extension portion.
  • the second elastomer portion 90 is provided so as to cover the second covering portion 78 of the fitting portion 72b, and is formed so as to be wound around the second covering portion 78 of the outer peripheral wall of the fitting portion 72b in the circumferential direction. ..
  • the second elastomer portion 90 is formed in the second extension groove 78b of the fitting portion 72b, and the second extension portion 90 is integrally connected to the first extension portion 86a of the first elastomer portion 82. It has a part 92.
  • the second elastomer portion 90 is formed so as to be substantially flush with the outer peripheral wall of the fitting portion 72b.
  • the elastomer forming the elastomer portion 80 preferably has flexibility (A hardness), air barrier property (moisture permeability, oxygen permeability coefficient), moldability, and fusion property.
  • the elastomer is an elastomer composition X containing an isobutylene-based block copolymer A composed of an isobutylene-based polymer block and an aromatic vinyl-based polymer block and a medium- and low-pressure polyethylene resin B. Is preferable.
  • the elastomer portion 80 in this embodiment is formed of the above-mentioned elastomer composition X.
  • the isobutylene polymer block is a block containing a structural unit derived from an isobutylene compound (hereinafter, also referred to as an isobutylene compound unit).
  • the content of the isobutylene compound unit in all the structural units constituting the isobutylene polymer block is preferably 50% by mass or more, more preferably 60% by mass or more, still more preferably, from the viewpoint of water vapor barrier property at high temperature. Is 70% by mass or more.
  • the isobutylene-based polymer block may contain a structural unit derived from a monomer other than isobutylene as long as the effects of the present disclosure are not impaired.
  • monomers include aliphatic olefins, alicyclic olefins, aromatic vinyls, dienes, vinyl ethers, vinylsilanes, vinylcarbazole, ⁇ -pinene, acenaphthylene and the like.
  • the content of the isobutylene-based polymer block is preferably 50 to 90% by mass, more preferably 55 to 85% by mass, and further preferably 60 to 80% by mass in the isobutylene-based block copolymer A.
  • the aromatic vinyl-based polymer block contains a structural unit derived from the aromatic vinyl-based compound (hereinafter, also referred to as an aromatic vinyl-based compound unit).
  • the aromatic vinyl compound include styrene, ⁇ -methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, 1,3-dimethylstyrene, vinylnaphthalene and the like, and two or more of them. May be used in combination. Of these, styrene, which is easily available, is preferable.
  • the content of the aromatic vinyl compound unit in all the structural units constituting the aromatic vinyl polymer block is preferably 80% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more. be.
  • the aromatic vinyl-based polymer block may contain a structural unit derived from a monomer other than the aromatic vinyl-based compound as long as the effects of the present disclosure are not impaired.
  • monomers include copolymerizable monomers capable of ion-polymerizing such as butene, pentene, hexene, butadiene, isoprene, and methyl vinyl ether.
  • the content of the aromatic vinyl-based polymer block is preferably 10 to 60% by mass, more preferably 15 to 50% by mass, still more preferably 20 to 40% in the isobutylene-based block copolymer A from the viewpoint of moldability. It is mass%.
  • the weight average molecular weight of the isobutylene block copolymer A is preferably 10,000 or more from the viewpoint of air barrier properties, and preferably 300,000 or less from the viewpoint of flexibility and moldability. From these viewpoints, the weight average molecular weight of the isobutylene block copolymer A is preferably 10,000 to 300,000, more preferably 20,000 to 200,000, still more preferably 30,000 to 100,000. be.
  • the A hardness of the isobutylene-based block copolymer A is preferably 10 to 50, more preferably 15 to 45, and even more preferably 20 to 40.
  • the density of the isobutylene-based block copolymer A is preferably 0.920 to 0.970 g / cm 3 , more preferably 0.930 to 0.960 g / cm 3 , and even more preferably 0.940 to 0.950 g / cm. It is 3 .
  • the content of the isobutylene-based block copolymer A is preferably 25 to 99% by mass, more preferably 25 to 98% by mass, and further preferably 50 to 95% by mass in the elastomer composition X.
  • the elastomer composition used in the container of the present disclosure preferably contains a polyethylene resin from the viewpoint of fusion property.
  • Polyethylene resin can be roughly divided into medium / low pressure method polyethylene resin and high pressure method polyethylene resin depending on the difference in manufacturing method, but linear high density polyethylene resin (HDPE) by medium / low pressure method is longer by high pressure method.
  • a low density polyethylene resin (LDPE) with chain branching can be obtained.
  • High-density polyethylene resin has high air barrier properties
  • low-density polyethylene resin has low air barrier properties.
  • L-LDPE linear low density polyethylene resin
  • the air barrier property is higher than that of the high pressure method polyethylene resin. Therefore, as the medium-low pressure method polyethylene resin in the present disclosure, at least one of a high-density polyethylene resin and a linear low-density polyethylene resin is preferable, and a high-density polyethylene resin is more preferable.
  • the high-density polyethylene resin is a method of polymerizing ethylene at a temperature of 50 to 250 ° C. and 50 to 200 atm using a Cheegler catalyst (titanium-based) in the low-pressure method and a Phillips catalyst (chromium-based) in the medium-pressure method. Manufactured in.
  • the density of the high-density polyethylene resin is preferably 0.942 g / cm 3 or more, and more preferably 0.945 to 0.970 g / cm 3 from the viewpoint of air barrier properties.
  • the density of the linear low-density polyethylene resin is preferably 0.915 to 0.935 g / cm 3 , and more preferably 0.918 to 0.930 g / cm 3 from the viewpoint of air barrier properties.
  • High-density polyethylene resin (HDPE) and low-density polyethylene resin (LDPE) are homopolyethylene polymers, whereas linear low-density polyethylene resin (L-LDPE) is a copolymer of ethylene and ⁇ -olefin. Is. Examples of such ⁇ -olefins include propylene, 1-butene, 1-pentene, 1-hexene, 3-methylpentene-1, 1-octene, 1-decene, 4-methylpentene-1 and the like.
  • the content of the structural unit derived from ⁇ -olefin is preferably 4 to 17% by mass, more preferably 5 to 15% by mass in all the structural units constituting the linear low-density polyethylene resin.
  • the linear low-density polyethylene resin is produced by copolymerizing ethylene and ⁇ -olefin using a Phillips-type catalyst used in a medium-pressure method, and is a copolymerization component of a conventional high-density polyethylene resin.
  • the short-chain branching structure was formed, and the density was appropriately reduced by utilizing this short-chain branching. Therefore, the linear low-density polyethylene resin is a polyethylene resin having a structure that is more linear than the low-density polyethylene resin (LDPE) produced by the conventional high-pressure method and has more branches than the high-density polyethylene resin.
  • LDPE low-density polyethylene resin
  • a manufacturing process of a gas phase polymerization method using a fluidized bed reactor, a stirring bed reactor, a tubular reactor, etc. is applied. It can be produced based on the method described in No. 154488 (gas phase polymerization method using a fluidized bed reactor).
  • the melt mass flow rate (MFR) of the medium / low pressure polyethylene resin B is preferably 0.5 to 50 g / 10 min, more preferably 1 to 30 g / 10 min, at 190 ° C. and a load of 21.2 N, from the viewpoint of moldability. More preferably, it is 1.5 to 25 g / 10 min.
  • the moisture permeability of the medium / low pressure method polyethylene resin B is preferably less than 2.0 g / m 2.24 h, more preferably 1.8 g / m less than 2.24 h, still more preferably 1.6 g / m less than 2.24 h. More preferably, it is less than 1.0 g / m 2.24 hours.
  • the moisture permeability is the moisture permeability of a sheet-shaped sample having a thickness of 0.5 mm measured by JIZ 0208 (cup method) at 40 ° C.
  • the oxygen permeation coefficient of the medium / low pressure method polyethylene resin B is preferably less than 1.0 ⁇ 10 -15 mol ⁇ m / Pa ⁇ s ⁇ m 2 , and more preferably 0.8 ⁇ 10 -15 mol ⁇ m / Pa ⁇ . It is less than s ⁇ m 2 , more preferably less than 0.6 ⁇ 10-15 mol ⁇ m / Pa ⁇ s ⁇ m 2 .
  • the oxygen permeability coefficient is a value measured by a method based on JIS K 7126.
  • the content of the medium / low pressure method polyethylene resin B is 5 parts by mass or more from the viewpoint of moldability and fusion property with respect to 100 parts by mass of the isobutylene block copolymer A, and is 300 from the viewpoint of flexibility. It is less than the mass part. From these viewpoints, the content of the medium / low pressure method polyethylene resin B is 1 to 100 parts by mass, preferably 2 to 70 parts by mass, more preferably 2 to 70 parts by mass with respect to 100 parts by mass of the isobutylene block copolymer A. It is 3 to 60 parts by mass, more preferably 5 to 30 parts by mass.
  • the content of the medium / low pressure polyethylene resin B in the elastomer composition X is preferably 0.5 to 50% by mass, more preferably 1 to 30% by mass, still more preferably 4 to 4 to 50% by mass from the viewpoint of flexibility. It is 25% by mass.
  • the elastomer composition X may further contain a softening agent C for rubber from the viewpoint of flexibility and moldability.
  • a softening agent C for rubber examples include mineral oils such as paraffin oil, naphthenic oil and aromatic oil, synthetic softeners such as polyolefin oils such as poly ⁇ -olefin and polybutene, and steam barriers. From the viewpoint of properties, polyolefin oil is preferable, and polybutene oil is more preferable.
  • the kinematic viscosity of the rubber softener C at 40 ° C. is preferably 3,000 to 20,000 mm 2 / s, more preferably 4,000 to 17,500 mm 2 / s from the viewpoint of long-term heat resistance and air barrier properties. , More preferably 5,000 to 15,000 mm 2 / s.
  • the number average molecular weight of the softener C for rubber is preferably 600 to 2000, more preferably 800 to 1500, and further preferably 900 to 1200 from the viewpoint of long-term heat resistance and air barrier properties.
  • the content of the softener C for rubber in the elastomer composition X is preferably 50% by mass or less, more preferably 30% by mass or less, from the viewpoint of moldability.
  • the elastomer composition X may further contain a block copolymer D having a crystalline ethylene block and an amorphous ethylene / ⁇ -olefin block from the viewpoint of fusion to L-LDPE.
  • Examples of the ⁇ -olefin include 1-butene, 1-octene, 1-hexene, 4-methylpentene-1 and the like. Of these, 1-butene is preferable, and as the block copolymer D, a block copolymer (CEBC) having a crystalline ethylene block and an amorphous ethylene / butene block is preferable. In the present disclosure, the block copolymer D may be used alone or in combination of two or more.
  • block copolymers D have a linear structure and a radial structure as the bonding state of the blocks.
  • examples of commercially available products having a linear structure include Dynaron 6101 and Dynaron 6200P (manufactured by JSR), and examples of commercially available products having a radial structure include Dynaron 6201B (manufactured by JSR).
  • any structure can be preferably used, but in the case of the same weight average molecular weight, a radial structure having high melt fluidity is more preferable.
  • the A hardness of the block copolymer D is preferably 40 or more from the viewpoint of compatibility between the isobutylene-based block copolymer A and the medium / low density polyethylene resin B, and 95 or less from the viewpoint of the flexibility of the composition. preferable. From these viewpoints, the A hardness of the block copolymer D is preferably 40 to 95, more preferably 50 to 90, and even more preferably 60 to 80.
  • the content of the block copolymer D is 1 part by mass or more from the viewpoint of compatibility between the isobutylene-based block copolymer A and the medium / low-density polyethylene resin B with respect to 100 parts by mass of the isobutylene-based block copolymer A. Is preferable, and from the viewpoint of flexibility, 50 parts by mass or less is preferable. From these viewpoints, the content of the block copolymer D is preferably 50 parts by mass or less, more preferably 30 parts by mass or less, still more preferably 20 parts by mass with respect to 100 parts by mass of the isobutylene-based block copolymer A. It is as follows.
  • the elastomer composition X may contain an inorganic filler E from the viewpoint of water vapor barrier property.
  • Examples of the inorganic filler E include talc, mica, calcium carbonate, clay, titanium oxide, magnesium carbonate, barium sulfate, calcium sulfate, calcium sulfite, calcium phosphate, calcium hydroxide, magnesium hydroxide, aluminum hydroxide, magnesium oxide, and iron oxide. , Zinc oxide, alumina, silica, diatomaceous soil, dolomite, gypsum, calcined clay, asbestos, calcium silicate, bentonite, white carbon, carbon black, iron powder, aluminum powder, stone powder, blast furnace slag, fly ash, cement, zirconia powder, etc. Among these, talc is preferable from the viewpoint of steam barrier property and dispersibility.
  • the inorganic filler various shapes such as granular, plate-shaped, rod-shaped, fibrous-shaped, whisker-shaped, etc. are known, but in the present disclosure, the plate-shaped one is used from the viewpoint of water vapor barrier property and air barrier property. preferable.
  • the plate shape means a shape in which the ratio of major axis to thickness (major axis / thickness) is 5 or more, preferably 10 to 500.
  • the volume-based median diameter of the inorganic filler E is preferably 1.5 ⁇ m or more from the viewpoint of dispersibility, and preferably 50 ⁇ m or less from the viewpoint of water vapor barrier property. From these viewpoints, the volume-based median diameter of the plate-shaped inorganic filler is preferably 1.5 to 50 ⁇ m, more preferably 1.75 to 30 ⁇ m, and further preferably 2.0 to 15 ⁇ m.
  • the content of the inorganic filler E is preferably 500 parts by mass or less from the viewpoint of flexibility with respect to 100 parts by mass of the isobutylene block copolymer A. From these viewpoints, the content of the inorganic filler E is preferably 500 parts by mass or less, more preferably 400 parts by mass or less, and further preferably 300 parts by mass or less with respect to 100 parts by mass of the isobutylene block copolymer A. be.
  • the elastomer composition X is, if necessary, a reinforcing agent such as carbon black, silica, carbon fiber, glass fiber, etc.; It may contain various additives such as an antistatic agent, a mold release agent, a tackifier, a cross-linking agent, a cross-linking aid, a foaming agent, and a fragrance.
  • a reinforcing agent such as carbon black, silica, carbon fiber, glass fiber, etc.
  • various additives such as an antistatic agent, a mold release agent, a tackifier, a cross-linking agent, a cross-linking aid, a foaming agent, and a fragrance.
  • the elastomer composition X may contain other thermoplastic resins or thermoplastic elastomers as long as the effects of the present disclosure are not impaired.
  • the elastomer composition X in the present disclosure includes an isobutylene-based block copolymer A, a medium- and low-pressure polyethylene resin B, and, if necessary, an additive such as a rubber softener C, a block copolymer D, and an inorganic filler E. Is appropriately mixed and solidified.
  • the "mixing” referred to in the present disclosure is not particularly limited as long as it is a method in which various raw materials are mixed well, and various raw materials may be dissolved in a soluble organic solvent and mixed, or may be heated, melted and kneaded. May be mixed by. However, it is preferable that the raw materials are mixed under temperature conditions under which the isobutylene block copolymer A and the medium / low pressure polyethylene resin B melt.
  • any heat-melting and kneading machine can be used.
  • a Banbury mixer, a roll mixer, an extruder and the like can be used, from the viewpoint of uniform mixing and productivity.
  • a twin-screw extruder For supply to the extruder, a mixture of various components using a mixing device such as a Henschel mixer in advance may be supplied from one hopper, or each component is charged in two hoppers and quantified with a screw or the like under the hopper. You may serve while doing so.
  • the product obtained by mixing the raw materials constituting the elastomer composition X can be in the form of pellets, powders, sheets, etc., depending on the intended use. For example, it is melt-kneaded by an extruder and extruded into a strand, and while being cooled in cold water, it is cut into pellets such as cylinders and rice granules by a cutter.
  • the obtained pellets are usually made into a predetermined sheet-shaped molded product or mold-molded product by injection molding or extrusion molding. Further, the melt-kneaded product can be pelletized with a ruder or the like and used as a raw material for molding.
  • the A hardness of the elastomer composition X according to the present disclosure is preferably 40 or more and less than 80 from the viewpoint of easy adjustment of the discharge amount of the contents. It is more preferably 50 or more and less than 75, and further preferably 60 or more and less than 70.
  • the melt mass flow rate (MFR) of the elastomer composition X according to the present disclosure is 190 ° C. and a load of 21.2 N, preferably 0.1 g / 10 min or more, more preferably 1 from the viewpoint of moldability and meltability. It is 0.0 to 15.0 g / 10 min, more preferably 1.0 to 10.0 g / 10 min, and even more preferably 2.0 to 4.0 g / 10 min or more.
  • the moisture permeability of the elastomer composition X according to the present disclosure is preferably less than 2.0 g / m 2.24 h, more preferably less than 1.8 g / m 2.24 h, from the viewpoint of protecting the contents (long-term storage). More preferably, it is less than 1.6 g / m 2.24 hours.
  • the moisture permeability is the moisture permeability at 40 ° C. in a sample having a thickness of 0.5 mm measured by JIS Z 0208 (cup method).
  • the oxygen permeation coefficient of the elastomer composition X according to the present disclosure is preferably less than 1.0 ⁇ 10-15 mol ⁇ m / Pa ⁇ s ⁇ m 2 and more preferably from the viewpoint of protection (long-term storage) of the contents of the container. Is less than 0.8 ⁇ 10 -15 mol ⁇ m / Pa ⁇ s ⁇ m 2 , more preferably less than 0.6 ⁇ 10 -15 mol ⁇ m / Pa ⁇ s ⁇ m 2 .
  • the oxygen permeability coefficient is a value measured by a method based on JIS K 7126.
  • the outer container 70 according to the present disclosure is obtained in a state where the elastomer portion 80 is fused to the main body portion 72 by molding the elastomer composition X and the polyolefin-based resin in two colors.
  • fusion refers to a phenomenon in which heat above the melting point of the elastomer composition X is applied to form a melt, and then the mixture is solidified at a temperature below the melting point to adhere to the interface to be fused.
  • a hot press machine, a heating roll machine, a hot air generator, heated steam, an ultrasonic welder, a high frequency welder, a laser, or the like can be used. Therefore, even if the interface of the fused portion has a complicated three-dimensional shape, it can be well adapted to the complicated three-dimensional shape and integrated by molding.
  • the elastomer composition X can be integrated with the polyolefin-based resin to form a composite molded product. This makes it possible to combine members having complicated joint surfaces and members having joint surfaces having different shapes from each other.
  • This composite molded body is molded by methods such as injection molding, injection compression molding, insert molding, multicolor molding, vacuum molding, pneumatic molding, blow molding, hot press molding, foam molding, laser fusion molding, and extrusion molding. Can be obtained.
  • Component A Isobutylene-based block copolymer, etc.>
  • Composition of block copolymer Proton NMR measurement is performed by a nuclear magnetic resonance apparatus (DPX-400 manufactured by BRUKER, Germany), and the content of styrene and / or styrene derivative, that is, an aromatic vinyl-based polymer, is determined by quantifying the characteristic group of styrene. Determine the block content. The content of other monomer units can also be determined by proton NMR measurement.
  • Weight average molecular weight (Mw) Under the following measurement conditions, the molecular weight is measured in terms of polystyrene by a gel permeation chromatograph, and the weight average molecular weight is obtained.
  • Measuring device / pump JASCO (JASCO Corporation), PU-980 ⁇
  • Column oven Showa Denko KK, AO-50 -Detector: Hitachi, RI (differential refractometer) detector L-3300 -Column type: Showa Denko Corporation "K-805L (8.0 x 300 mm)" and "K-804L (8.0 x 300 mm)" are used in series.
  • -Column temperature 40 ° C.
  • a hardness (value 15 seconds after the start of the test) according to JIS K6253 is measured for a stack of three 2 mm-thick plate-shaped injection-molded samples (6 mm in total). The measurement is carried out after adjusting the condition of the injection-molded sample in a room at a temperature of 23 ° C. and a humidity of 50% for one day.
  • MFR Melt Mass Flow Rate
  • the number average molecular weight is obtained in terms of polystyrene by the same method as for component A.
  • ⁇ Component D Block copolymer having a crystalline ethylene block and an amorphous ethylene / ⁇ -olefin block> [A hardness]
  • a hardness (value 15 seconds after the start of the test) according to JIS K6253 is measured for a stack of three 2 mm-thick plate-shaped injection-molded samples (6 mm in total). The measurement is carried out after adjusting the condition of the injection-molded sample in a room at a temperature of 23 ° C. and a humidity of 50% for one day.
  • ⁇ Component E Inorganic filler> [Volume-based median diameter]
  • 0.1 g of the sample was dispersed in 10 mL of deionized water, and the slurry was dispersed with 70 w ultrasonic waves for 30 seconds using "Master Sizar 2000" manufactured by Malvern. The particle size distribution is measured, and the 50% value in the volume-based integrated fraction is defined as the volume-based median diameter.
  • Elastomer Composition (Pellet) A raw material other than the softener (component C) was dry-blended and then impregnated with the softener to prepare a mixture. Then, the mixture was melt-kneaded with an extruder under the following conditions, extruded into strands, and cut into a diameter of about 3 mm and a thickness of about 3 mm by a cutter while being cooled in cold water to produce pellets of an elastomer composition. ..
  • Injection molding conditions Injection molding machine: 100MSIII-10E (trade name, manufactured by Mitsubishi Heavy Industries, Ltd.) Injection molding temperature: 200 ° C Injection pressure: 30% Injection time: 3 sec Mold temperature: 40 ° C
  • a resin plate produced in a mold having a thickness of 4 mm, a width of 25 mm, and a length of 125 mm is inserted, and the elastomer compositions of Examples 1 to 7 and Comparative Examples 1 to 5 are injection-molded to form a strip-shaped composite molded body.
  • Injection molding conditions Injection molding machine: Mitsubishi Heavy Industries, Ltd., 100MSIII-10E Injection molding temperature: 240 ° C Injection pressure: 98MPa, injection speed: 50%, holding pressure: 20%, holding time: 10 sec Injection time: 2 sec Mold temperature: 40 ° C
  • the elastomer compositions of Examples 1 to 7 and Comparative Examples 1 to 5 and the composite molded product using the elastomer compositions were evaluated as follows.
  • the compositions and evaluation results of the elastomer compositions of Examples 1 to 7 and Comparative Examples 1 to 5 are shown in Tables 4 and 5.
  • a hardness of elastomer composition A hardness (value 15 seconds after the start of the test) according to JIS K6253 is measured for a stack of three 2 mm-thick plate-shaped injection-molded samples (6 mm in total). The measurement is carried out after adjusting the condition of the injection-molded sample in a room at a temperature of 23 ° C. and a humidity of 50% for one day.
  • Comparative Example 3 in which the elastomer composition contained a low-density polyethylene resin which is a high-pressure polyethylene resin as the polyethylene resin and Comparative Example 4 in which the polypropylene resin was contained instead of the polyethylene resin had insufficient fusion property to HDPE. be.
  • Comparative Example 5 containing SEBS instead of isobutylene-based block copolymer has a moisture permeability exceeding 2.0 g / m 2.24 hr, and has a water vapor barrier property as compared with Examples 1 to 7. Inferior.
  • Reference Example 1 is the result of measuring the physical characteristics of the component A "SIBSTAR 062T" in the same manner as the elastomer compositions of Examples and Comparative Examples.
  • the isobutylene-based block copolymer itself is almost melted in HDPE. Although it does not adhere, it can be seen that the fusion property to HDPE appears by mixing it with a predetermined amount of medium / low pressure polyethylene resin.
  • the container 10 of the embodiment has a configuration in which the opening 74 formed in the outer peripheral wall of the outer container 70 is covered with the pressing portion 84 made of an elastomer. Therefore, as shown in FIGS. 4 and 7, when the cap 40 is removed from the outer container 70, the container 10 presses the pressing portion 84 with a finger or the like to press the main body portion 22 of the inner container 20. By doing so, the contents of the inner container 20 can be easily discharged from the nozzle portion 24.
  • the container 10 of the embodiment has a configuration in which the cap 40 is detachably provided on the outer container 70.
  • the cap 40 is attached to the outer container 70 and covers the nozzle portion 24 of the inner container 20 protruding from the outer container 70.
  • the air barrier property of the container 10 can be improved as compared with the configuration in which the cap 40 is detachably provided on the inner container 20.
  • the container 10 of the embodiment has a configuration in which the outer container 70 made of hard resin contains the inner container 20. Therefore, in the container 10 of the embodiment, even if the container 10 is carelessly pushed, the contents are suppressed from being ejected from the nozzle portion 24 of the inner container 20.
  • the container 10 of the embodiment has a configuration in which the pedestal 50 is provided at the end of the outer container 70 on the opposite side of the cap 40. Therefore, in the container 10 of the embodiment, the container 10 can be erected on a workbench or the like with the pedestal 50 facing down and the tip portion 24a of the nozzle portion 24 facing upward. As a result, when the user of the container 10 interrupts the work of discharging the contents filled in the inner container 20, the user stands the container 10 on a workbench or the like so that the contents do not leak from the nozzle portion 24. Can be done.
  • the container 10 of the embodiment has a configuration in which a pair of openings 74 are provided axially symmetrically with respect to the central axis of the outer container 70. Therefore, in the container 10 of the embodiment, when the pair of pressing portions 84 are pressed and the contents are discharged from the nozzle portion 24, the pair of pressing portions 84 are easily pressed by being pinched by the thumb and the index finger (see FIG. 10). ..
  • the container 10 of the embodiment has a connecting portion 86 for integrally connecting the pair of pressing portions 84 so as to be wound around the outer peripheral wall of the outer container 70. Therefore, in the container 10 of the embodiment, the peeling of the pressing portion 84 from the outer container 70 is suppressed as compared with the configuration in which the pair of pressing portions 84 are not integrally connected.
  • the container 10 of the embodiment has a first extension portion 86a extending from the connecting portion 86 toward the pedestal 50. Therefore, the container 10 of the embodiment has a larger fusion area of the elastomer portion 80 with respect to the outer container 70 as compared with the configuration having no first extension portion 86a, so that the pressing portion 84 can be peeled off from the outer container 70. Is suppressed.
  • the container 10 of the embodiment has a configuration in which a plurality of ribs 42c are formed on the outer peripheral wall of the outer cylinder portion 42 of the cap 40. Therefore, in the container 10 of the embodiment, when the user manually attaches / detaches the cap 40, the finger is caught by the rib, so that the cap can be easily grasped.
  • the container 10 of the embodiment has a configuration in which the outer peripheral wall of the outer container 70 expands in diameter from the end on the cap 40 side toward the pedestal 50. Therefore, the container 10 of the embodiment is less likely to fall when it is placed on a workbench or the like with the tip portion 24a of the nozzle portion 24 facing upward.
  • the container 10 of the embodiment has a structure in which the content of the inner container 20 is an adhesive. Therefore, since the container 10 of the embodiment has an air barrier property, the adhesive filled in the inner container 20 is less likely to deteriorate when not in use.
  • the container 10 of the embodiment has a configuration in which the inner container 20 is made of polyolefin. Therefore, in the container 10 of the embodiment, the adhesive remaining inside the nozzle portion 24 is difficult to cure.
  • the container 10 of the embodiment has a configuration in which the cap 40 is made of polyolefin. Therefore, in the container 10 of the embodiment, the adhesive remaining on the tip portion 24a of the nozzle portion 24 covered with the cap 40 is difficult to cure.
  • the container 10 of the embodiment has a configuration in which the desiccant 60 is provided inside the pedestal 50. Therefore, the container 10 of the embodiment can dry the space by absorbing the moisture contained in the air in the internal space of the container 10.
  • the container 10 of the embodiment has a structure in which a recess 84b is formed on the surface of the pressing portion 84. Therefore, in the container 10 of the embodiment, the thumb and the index finger can be fitted to the recess 84b when the pressing portion 84 is pressed (see FIG. 10).
  • the pressing portion 84 has a raised portion 84a. Therefore, in the container 10 of the embodiment, the user can fumble to determine the position of the pressing portion 84.
  • the container 10 of the embodiment has a configuration in which the maximum thickness T max of the raised portion 84a is 0.2 mm or more and is within the range of 1.0 mm or less. Therefore, in the container 10 of the embodiment, the position of the pressing portion 84 can be easily determined by the user as compared with the configuration in which the maximum thickness T max of the raised portion 84a is less than 0.2 mm. Further, in the container 10 of the embodiment, the inner container 20 is more likely to be pressed by pressing the pressing portion 84 with the thumb and the index finger, as compared with the configuration in which the maximum thickness T max of the raised portion 84a exceeds 1.0 mm.
  • the container 10 of the embodiment has a structure in which the A hardness of the elastomer composition X is 40 or more and less than 80. Therefore, in the container 10 of the embodiment, it is easier to adjust the discharge amount of the contents due to the pressing of the pressing portion 84, as compared with the configuration in which the A hardness of the elastomer forming the pressing portion 84 is less than 40. Further, in the container 10 of the embodiment, it is easier to adjust the discharge amount of the contents by pressing the pressing portion 84, as compared with the configuration in which the A hardness of the elastomer forming the pressing portion 84 is 80 or more.
  • the container 10 of the embodiment has a configuration in which the moisture permeability of the elastomer composition X in a sample having a thickness of 0.5 mm, which is measured in accordance with JIS Z 0208, is less than 2.0 g / m 2.24 hr.
  • the moisture permeability of the elastomer forming the pressing portion 84 is 2.0 g / m 2.24 hr or more in a sample having a thickness of 0.5 mm, as compared with the configuration of the container 10.
  • the water vapor barrier property is improved.
  • the container 10 of the embodiment has a configuration in which the oxygen permeability coefficient measured according to JIS K 7126 is less than 1.0 ⁇ 10-15 mol ⁇ m / Pa ⁇ s ⁇ m 2 . Therefore, in the container 10 of the embodiment, the oxygen permeability coefficient of the elastomer forming the pressing portion 84 is 1.0 ⁇ 10 -15 mol ⁇ m / Pa ⁇ s ⁇ m 2 or more, as compared with the structure of the container 10. Improves air barrier properties.
  • the container 10 of the embodiment is provided with a pedestal 50.
  • the container 10 according to the present disclosure may be configured not to have a pedestal 50 as long as it has an air barrier property to the inner container 20 only with the outer container 70 and the cap 40.
  • a pair of openings 74 are provided axially symmetrically with respect to the central axis of the outer container 70.
  • the openings 74 according to the present disclosure are not limited to those provided in a pair axially symmetrical with respect to the central axis of the outer container 70.
  • the opening 74 in the present disclosure may be provided with only one opening on the outer peripheral wall of the outer container 70, or may be provided with three or more openings 74.
  • the plurality of openings 74 provided in the outer container 70 in the present disclosure may not be axially symmetric with respect to the central axis of the outer container 70.
  • the container 10 of the embodiment has a structure in which a pair of pressing portions 84 are integrally connected by a connecting portion 86.
  • the pair of pressing portions 84 according to the present disclosure may be configured not to be integrally connected.
  • the container 10 of the embodiment is assumed to have the first extension portion 86a.
  • the container 10 according to the present disclosure may have a configuration that does not have the first extension portion 86a.
  • the container 10 according to the present disclosure may have a configuration in which the first elastomer portion 82 and the second elastomer portion 90 are not connected.
  • the container 10 according to the present disclosure may have a configuration that does not have the second elastomer portion 90.
  • the cap 40 of the embodiment has a rib 42c formed therein.
  • the cap 40 according to the present disclosure may not have ribs 42c formed therein.
  • the outer container 70, the cap 40, and the pedestal 50 according to the embodiment have a configuration in which the diameter increases from the end on the cap 40 side toward the pedestal 50.
  • the outer container 70, the cap 40, and the pedestal 50 according to the present disclosure may not have a structure in which the diameter is expanded or reduced, and the outer diameter of each outer peripheral wall is one. It may have a similar configuration.
  • the outer container 70, the cap 40, and the pedestal 50 according to the present disclosure may have different outer peripheral walls and may not be flush with each other.
  • the concave portion 84b of the pressing portion 84 has an elliptical shape when viewed from the radial direction.
  • the recess 84b in the present disclosure is not limited to the elliptical one.
  • the recess 84b according to the present disclosure may be circular or dripping when viewed from the radial direction.
  • the recess 84b in the present disclosure may have a polygonal shape such as a triangle or a quadrangle when viewed from the radial direction.
  • the raised portion 84a of the pressing portion 84 is formed with a concave portion 84b which is concave with respect to the raised portion 84a.
  • the raised portion 84a according to the present disclosure may be formed with a convex portion that is convex with respect to the raised portion 84a.
  • the pressing portion 84 according to the present disclosure may not have the concave portion 84b or the convex portion formed therein.
  • the pressing portion 84 has a raised portion 84a.
  • the pressing portion 84 does not have to have the raised portion 84a.
  • the elastomer portion 80 is assumed to be substantially flush with the outer peripheral wall of the main body portion 72 of the outer container 70.
  • the elastomer portion 80 according to the present disclosure may have a step with respect to the outer peripheral wall of the main body portion 72 of the outer container 70.
  • the main body 72 of the outer container 70 is assumed to have a substantially cylindrical shape.
  • the outer container 70 according to the present disclosure is not limited to a substantially cylindrical one as long as it is a tubular one, and may be a substantially rectangular shape and a tubular one when viewed from the radial direction.
  • the container 10 of the embodiment is provided with the desiccant 60.
  • the container 10 according to the present disclosure does not have to include the desiccant 60.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
PCT/JP2021/042279 2020-11-20 2021-11-17 容器 Ceased WO2022107825A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202180078187.5A CN116490289A (zh) 2020-11-20 2021-11-17 容器
CA3199540A CA3199540A1 (en) 2020-11-20 2021-11-17 Container
JP2022563809A JP7589749B2 (ja) 2020-11-20 2021-11-17 容器
US18/253,505 US12595104B2 (en) 2020-11-20 2021-11-17 Container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-193893 2020-11-20
JP2020193893 2020-11-20

Publications (1)

Publication Number Publication Date
WO2022107825A1 true WO2022107825A1 (ja) 2022-05-27

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PCT/JP2021/042279 Ceased WO2022107825A1 (ja) 2020-11-20 2021-11-17 容器

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US (1) US12595104B2 (https=)
JP (1) JP7589749B2 (https=)
CN (1) CN116490289A (https=)
CA (1) CA3199540A1 (https=)
TW (1) TWI906412B (https=)
WO (1) WO2022107825A1 (https=)

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Also Published As

Publication number Publication date
JP7589749B2 (ja) 2024-11-26
JPWO2022107825A1 (https=) 2022-05-27
TWI906412B (zh) 2025-12-01
CA3199540A1 (en) 2022-05-27
CN116490289A (zh) 2023-07-25
US12595104B2 (en) 2026-04-07
TW202224787A (zh) 2022-07-01
US20240002124A1 (en) 2024-01-04

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