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WO2015133237A1 - Récipient à déstratification - Google Patents

Récipient à déstratification Download PDF

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Publication number
WO2015133237A1
WO2015133237A1 PCT/JP2015/053819 JP2015053819W WO2015133237A1 WO 2015133237 A1 WO2015133237 A1 WO 2015133237A1 JP 2015053819 W JP2015053819 W JP 2015053819W WO 2015133237 A1 WO2015133237 A1 WO 2015133237A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
press
mouth
air
delamination
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/JP2015/053819
Other languages
English (en)
Japanese (ja)
Inventor
一 政木
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.)
Kyoraku Co Ltd
Original Assignee
Kyoraku 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 Kyoraku Co Ltd filed Critical Kyoraku Co Ltd
Publication of WO2015133237A1 publication Critical patent/WO2015133237A1/fr
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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/02—Linings or internal coatings
    • 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
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered

Definitions

  • the present invention relates to a delamination container excellent in hermeticity and airtightness.
  • the outer layer of the container is restored to its original shape by taking in air between the outer layer and the inner layer of the container.
  • the air flow from the outside into the inner layer of the container is blocked by the check valve, the shape of the inner layer does not follow the restoration of the shape of the outer layer.
  • an object of the present invention is to provide a delamination container that can maintain high sealing performance and airtightness.
  • the delamination container according to the present invention includes a container body formed in a cylindrical shape by an outer layer that comes into contact with the outside air and an inner layer that is laminated so as to be peelable from the outer layer and is in contact with the contents.
  • the container body has a mouth portion at one end and a bottom portion at the other end.
  • the sealing part which seals a container main body is fixed in the state press-fit in the opening part.
  • the container body is formed with an air inlet for introducing air into a space formed between the inner layer and the outer layer when the inner layer is separated from the outer layer.
  • the fixed sealing plug seals the mouth, and the inflow of air into the container body, that is, the inside of the inner layer (hereinafter referred to as “accommodating chamber” as an example) is completely blocked. Therefore, high airtightness can be maintained. Therefore, even when the content is a highly volatile liquid or the like, the component can be prevented from being released into the atmosphere and volatilized, and the quality of the content can be maintained for a long period of time.
  • a usage form in which the contents are taken out by inserting an injection needle or the like through a sealing stopper is suitable. That is, when the contents are taken out by inserting an injection needle or the like through a sealing stopper press-fitted into the mouth of the container, the inner layer is deflated by the amount taken out, and the internal pressure of the container body decreases.
  • an air inlet is provided at the bottom of the container, an amount of air corresponding to the volume of the taken-out contents is drawn between the inner layer and the outer layer through the air inlet.
  • the shape of the inner layer is maintained in a deflated state after the contents are taken out, so that the reduced amount of the contents is not replaced with air inside the inner layer. Therefore, it is possible to prevent the content from deteriorating by avoiding air inflow into the accommodation chamber.
  • the sealing plug is preferably sandwiched and fixed together with the outer peripheral edge portion of the mouth portion of the container body. According to this aspect, since it is possible to avoid a situation in which the sealing plug is accidentally detached from the mouth portion in the process of handling the container, the state in which the sealing plug is press-fitted into the mouth portion is reliably maintained and the container is sealed. Can continue to maintain.
  • a sealing stopper contains the flat base part which plugs up the opening part of a container main body, and the cylindrical press-fit part which protrudes from the center part of the base part, and is press-fitted in an opening part. According to this aspect, since the sealing plug can be easily mass-produced by injection molding, the manufacturing efficiency can be improved and the manufacturing cost can be reduced.
  • the base of the sealing plug is formed so that the thickness at the position inside the connection portion with the press-fitting portion is smaller than the thickness at the position outside the connection portion.
  • a streak-like projection extending in the circumferential direction on the inner surface of the mouth of the container body is formed.
  • the sealing plug when the sealing plug is press-fitted into the mouth portion, the portion of the outer surface of the press-fitting portion that is in close contact with the protrusion is deformed and bites the protrusion, so that the sealing plug is securely inserted into the mouth portion of the container body. It is possible to prevent the sealing stopper from falling out of the mouth or falling into the container.
  • a groove-like projection receiver may be formed in the press-fitting portion of the sealing plug so as to extend the outer surface in the circumferential direction and receive the projection. In this case, the projection formed on the inner surface of the mouth portion and the groove-like projection receiver formed on the outer surface of the press-fit portion are fitted to each other, so that the sealing plug can be reliably fixed to the mouth portion.
  • the air inlet is formed at the bottom of the container body.
  • the air inlet can form comparatively easily rather than the case where an air inlet is provided in the other site
  • the inflow of air into the inner layer can be blocked by sealing the mouth of the container body.
  • FIG. 5 is a bottom view and a vertical cross-sectional view (a cross-sectional view taken along line IV-IV in FIG. 4A) of the delamination container of one embodiment. It is the perspective view which showed the usage example of the lamination peeling container of one Embodiment.
  • the lamination peeling container shown by the following embodiment is a preferable illustration, and this invention is not limited to this illustration.
  • FIG. 1 shows a laminate peeling container 1 according to one embodiment cut longitudinally along a longitudinal center line, the right half of which is shown as a front view, and the left half as a cross-sectional view.
  • the delamination container 1 is roughly composed of a container body 16 and a lid 6.
  • the container main body 16 has a bottomed cylindrical shape, and an upper end portion of the container main body 16 is a mouth portion having a diameter reduced in a tapered shape.
  • the rubber plug 8 sealing plug
  • the sealing member 14 is fitted into the outer peripheral edge portion of the mouth portion, so that the lid portion 6 is fixed to the container body 16 (so-called “caulking and fixing”).
  • the sealing plug refers to a plug formed of a soft resin such as a thermoplastic elastomer such as a styrene elastomer in addition to a rubber such as butyl rubber. By adopting these materials, it is possible to obtain a stopper excellent in chemical resistance and sealing performance.
  • the hardness of the resin used for the sealing plug is a hardness that allows the injection needle or the like to easily pass through the sealing plug and maintain the sealing property.
  • the durometer A according to the standard of JIS K6253 is 30 to 80 is more preferable.
  • the thermoplastic elastomer is preferably a styrene elastomer having a melting point of 135 to 200 ° C.
  • the mechanical properties of the resin used for the sealing stopper are such that the compression set at 23 ° C. in accordance with the standard of JIS K6262 is 30% or less and at 70 ° C. It is more preferable that the compression set is 50% or less.
  • the term “rubber plug” will be used as an example of the sealing plug, but the material of the rubber plug 8 is not limited to “rubber” in a pure sense, and so-called “rubber-like”.
  • a soft resin such as a thermoplastic elastomer can be used.
  • the container body 16 is formed of an outer layer 2 (outer shell) and an inner layer 4 (inner bag) that are detachably stacked.
  • the outer layer 2 and the inner layer 4 are blow-molded by overlapping non-adhesive resins so that they can be separated from each other.
  • the inner layer 2 is made of polypropylene (PP), ethylene vinyl alcohol resin (EVOH) having a barrier property against odor, oxygen or water vapor, cyclic polyolefin resin (COP), etc.
  • the outer layer 4 is made of Polypropylene (PP), polyethylene terephthalate (PET), etc. are used. As shown in FIGS.
  • the pinch-off portion 28 formed on the bottom portion 24 is cut in the vertical direction after the inner layers 4 are heated and fused in the process of blow molding, and burrs generated on the cut surface are Taken and molded.
  • Air is introduced into the air chamber 22 formed by peeling the inner layer 4 from the outer layer 2 from the outside of the container body 16 through the air inlet 26.
  • the air inlet 26 may be provided so that air can be introduced into the air chamber 22 between the outer layer 2 and the inner layer 4, and as shown in FIG. 1, the outer layer 2 and the inner layer 4 at the bottom of the container body 16.
  • the air gap may be used as the air inlet 26, and the through hole penetrating only the outer layer 2 may be used as the air inlet 26.
  • the inner layer 4 is separated from the outer layer 2 to form a space that can accommodate the air drawn between the outer layer 4 and the inner layer 2, that is, an air chamber 22. In this way, air is drawn into the air chamber 22 from the outside of the container body 16 through the air inlet 26.
  • FIG. 2 is an enlarged plan view and front view of the lid 6 of the delamination container 1.
  • the rubber stopper 8 is shown separated from the container body 16, and the sealing member 14 is not shown.
  • a seal member 14 is fitted into the mouth portion 18 of the container body 16 so that the rubber stopper 8 is tightened against the outer peripheral edge portion of the mouth portion 18 from the outside in a state where the rubber stopper 8 is press-fitted. That is, as shown in FIGS. 3 (A) to 3 (B), the seal member 14 is fixed by sandwiching them in the thickness direction while pressing the rubber plug 8 against the outer peripheral edge portion of the mouth portion 18.
  • the lid 6 is configured. Thereby, the sealing performance of the container main body 16, especially the inner part of the inner layer 4, is maintained.
  • the seal member 14 is made of a metal such as aluminum.
  • the rubber plug 8 includes a base portion 10 and a press-fit portion 12.
  • the base portion 10 has a flat plate shape, and the base portion 10 closes the mouth portion 18 with the rubber plug 8 being press-fitted.
  • the press-fit portion 12 is provided so as to protrude from the central portion of the base portion 10.
  • the press-fitting portion 12 also has a cylindrical shape, and the rubber plug 8 is press-fitted into the mouth portion 18 at the press-fitting portion 12. Since the rubber plug 8 having such a form is easy to manufacture by injection molding, the cost can be reduced by mass production.
  • the rubber plug 8 is made of rubber, particularly butylene rubber, for the purpose of obtaining a high restoring force.
  • Butylene rubber has high heat resistance, so it does not deteriorate even when placed in a high-temperature environment during sterilization, etc., and it has excellent resilience, so that the sealing performance of the container can be maintained even if the needle is repeatedly inserted and removed. Can do.
  • the lid portion of a general delamination container is composed of a check valve formed of the same material as that of the rubber stopper 8 of the present embodiment.
  • the check valve is common to the rubber plug 8 in terms of the flow direction, that is, only allows outflow of contents from the inside of the container to the outside, and blocks inflow from the outside including the air into the container.
  • the check valve is greatly different in structure from the rubber plug 8 in that the seal is released by squeezing the container and applying pressure to allow the contents to flow out. In a container that employs a check valve, the sealed state is easily released, and thus it is not always possible to keep high sealing performance of the container.
  • the lid portion 6 of the present embodiment takes a form of sealing the container by closing the mouth portion 18 with the rubber plug 8 and fixing the lid portion to the main body. Therefore, even if pressure is applied to the container, the sealed state is not released, so that the sealing performance of the container can be reliably maintained.
  • FIG. 3 is a vertical cross-sectional view (cross-sectional view taken along the line III-III in FIG. 2) of the lid portion 6 in the delamination container 1.
  • FIG. 3 shows a plurality of forms of the lid 6.
  • FIG. 3A is an enlarged cross-sectional view of the lid portion 6 according to the first embodiment.
  • the seal member 14 is covered over the outer peripheral edge of the mouth 18 and the base 10 of the rubber stopper 8 in a state where the press-fit part 12 of the rubber stopper 8 is press-fitted into the mouth 18 of the container body 16.
  • the lid 6 is fixed to the container body 16.
  • the thickness at the position is smaller than the thickness at the outer position. Since the lid portion 6 of the second form is formed with a small thickness at the portion where the needle is inserted when taking out the contents, the base portion 10 of the rubber plug 8 can be easily penetrated. More convenient.
  • the lid portion 6 of the third embodiment does not have a seal member. That is, in the third embodiment, a streak-like (cross-section convex) projection 32 is formed on the inner peripheral surface of the mouth portion 18, and a groove shape (corresponding to the projection 32 on the outer peripheral surface of the press-fitting portion 12 of the rubber plug 8 is provided. A projection receiver 30 having a concave cross-section) is formed.
  • the lid portion 6 of the third embodiment has the rubber plug 8 when the protrusion 32 formed on the inner peripheral surface of the mouth portion 18 and the protrusion receiver 30 formed on the outer peripheral surface of the press-fit portion 12 are fitted together. Can be reliably fixed by the mouth 18.
  • a concave groove 34 is formed at a position corresponding to the protrusion 32 on the outer surface of the mouth portion 18.
  • the projection receiver 30 may not be formed in the press-fitting portion 12 of the rubber plug 8. Even in this case, the portion close to the projection 32 in the outer surface of the press-fit portion 12 that is press-fitted into the mouth portion 18 is compressed and deformed so that the projection 32 bites in, so that the rubber plug 8 is pulled out from the mouth portion 18.
  • the rubber stopper 8 can be reliably fixed at the mouth portion 18 while preventing the container from falling into the container.
  • the protrusion 32 does not need to extend over the entire circumference of the inner peripheral surface of the mouth portion 18, and may be, for example, a protrusion formed in a plurality of arc shapes. Moreover, it is also possible to improve the fitting state with respect to the rubber plug 8 by forming not only a single strip-like protrusion 32 but also a plurality of strips.
  • FIG. 4 is a diagram showing in detail the bottom 24 of the delamination container 1 according to an embodiment.
  • 4A is a bottom view of the container body 16 of the delamination container 1
  • FIG. 4B is a longitudinal sectional view of the bottom 24 (a cross section taken along line IV-IV in FIG. 4A). Respectively).
  • the pinch-off part 28 is formed in the bottom part 24 along the straight line which passes along the approximate center of the bottom face.
  • the pinch-off portion 28 is formed by heat-sealing the inner layer 4 in the process of blow-molding the container main body 16 and is in a completely sealed state. Etc. will not enter.
  • air inlets 26 are provided for taking air into the air chamber 22 formed between the outer layer 2 and the inner layer 4.
  • the surface of the bottom 24 is the outer layer 2, and the outer layer 2 is opposed to the pinch-off portion 28 on both sides of the air inlet 26.
  • FIG. 5 is a perspective view showing an example of use of the delamination container 1 according to one embodiment.
  • the contents C accommodated in the delamination container 1 are used by being extracted with an injection needle N that is pierced through the rubber stopper 8.
  • the drug solution C can be taken out using the syringe I.
  • the user inserts the needle N through the rubber stopper 8 and pulls the piston of the syringe I upward to take the contained chemical C into the cylinder of the syringe I.
  • the injection needle N is pulled out from the rubber stopper 8.
  • the rubber stopper 8 is formed of a material having a restoring force, and after the extraction, the trace of the needle N is pierced naturally, so that the sealing performance of the container is maintained.
  • FIG. 5B shows an example of use in which the delamination container 1 contains the liquid C made of a volatile substance.
  • the user first pierces the rubber stopper 8 with the injection needle N and penetrates it. Since the liquid C has volatility, it flows out of the container through the injection needle N. The liquid C that has flowed out is absorbed by the filter paper F set on the top of the injection needle N. And since the absorbed liquid C volatilizes gradually from the filter paper F, a volatile component can be volatilized in the air.
  • a support (protection) enclosure may be provided around the filter paper F.
  • the delamination container 1 is kept in a completely sealed state, so that it is possible to avoid the quality deterioration of the contents C in the distribution process before use.
  • the present invention can be implemented with various modifications without being limited to the above-described embodiment.
  • the resin constituting the outer layer 2 and the inner layer 4 has a single-layer structure, but it can also have a multilayer structure, and is appropriately selected depending on the situation. It's okay.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

L'invention porte sur un récipient à déstratification, lequel récipient est apte à continuer à conserver des performances d'étanchéité élevées. Le récipient de déstratification (1) comporte un corps de récipient (16) qui est formé sous une forme cylindrique à partir d'une couche externe (2), qui est en contact avec l'air externe, et une couche interne (4) qui est stratifiée de façon à pouvoir être séparée à partir de la couche externe (2) ; il a une section d'embouchure (18) à une extrémité de ce dernier ; il a une section inférieure (24) à l'autre extrémité. Un élément d'arrêt de scellement hermétique (8) pour sceller hermétiquement le corps de récipient (7) est fixé dans la section d'embouchure (18) dans un état d'adaptation par pression. Le récipient à déstratification comporte également un orifice d'introduction d'air (26), qui permet à de l'air de s'écouler dans une chambre à air (22) qui est formée entre la couche interne (4) et la couche externe (2) quand les deux couches (2, 4) sont séparées.
PCT/JP2015/053819 2014-03-05 2015-02-12 Récipient à déstratification Ceased WO2015133237A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-042353 2014-03-05
JP2014042353A JP2015168436A (ja) 2014-03-05 2014-03-05 積層剥離容器

Publications (1)

Publication Number Publication Date
WO2015133237A1 true WO2015133237A1 (fr) 2015-09-11

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Application Number Title Priority Date Filing Date
PCT/JP2015/053819 Ceased WO2015133237A1 (fr) 2014-03-05 2015-02-12 Récipient à déstratification

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JP (1) JP2015168436A (fr)
WO (1) WO2015133237A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10882240B2 (en) * 2018-08-07 2021-01-05 SR PACKAGING INC. TAIWAN BRANCH (Seychelles) Blow-molded lamination container and manufacturing method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023183231A (ja) * 2022-06-15 2023-12-27 共同印刷株式会社 打栓キャップ付き容器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5407629A (en) * 1991-01-23 1995-04-18 Continental Pet Technologies, Inc. Multilayer bottle with separable inner layer and method of forming same
WO1999042165A1 (fr) * 1998-02-20 1999-08-26 Cook Incorporated Conteneur medical de source radiotherapeutique
JP2011079574A (ja) * 2009-10-02 2011-04-21 Yuitto:Kk 液体保存容器
WO2012065930A2 (fr) * 2010-11-16 2012-05-24 Sanofi-Aventis Deutschland Gmbh Cartouche pour dispositifs d'administration de médicament
JP2013529580A (ja) * 2010-06-24 2013-07-22 ガプラスト ゲーエムベーハー 内側バッグを有する容器
WO2013176587A1 (fr) * 2012-05-21 2013-11-28 Carmel Pharma Ab Bouchon de protection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5407629A (en) * 1991-01-23 1995-04-18 Continental Pet Technologies, Inc. Multilayer bottle with separable inner layer and method of forming same
WO1999042165A1 (fr) * 1998-02-20 1999-08-26 Cook Incorporated Conteneur medical de source radiotherapeutique
JP2011079574A (ja) * 2009-10-02 2011-04-21 Yuitto:Kk 液体保存容器
JP2013529580A (ja) * 2010-06-24 2013-07-22 ガプラスト ゲーエムベーハー 内側バッグを有する容器
WO2012065930A2 (fr) * 2010-11-16 2012-05-24 Sanofi-Aventis Deutschland Gmbh Cartouche pour dispositifs d'administration de médicament
WO2013176587A1 (fr) * 2012-05-21 2013-11-28 Carmel Pharma Ab Bouchon de protection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10882240B2 (en) * 2018-08-07 2021-01-05 SR PACKAGING INC. TAIWAN BRANCH (Seychelles) Blow-molded lamination container and manufacturing method thereof

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