JP5151314B2 - Barrier cap structure - Google Patents

Description

  The present invention is an upper opening of, for example, a self-supporting bag container 40 (hereinafter referred to as an STD pouch) made of a laminated resin film having excellent barrier properties and containing liquid foods and beverages that require gas barrier properties. The present invention relates to a plastic barrier cap structure that is heat-sealed to and attached.

  Conventionally, containing various pulps and herbal ingredients that require gas barrier properties, etc., each containing liquid foods, beverages, etc. that can be tasted by extruding with fingers, for example, as shown in FIGS. 1A and 2A, As a spout stopper of the bag container 40 made of a laminated resin film having excellent barrier properties and the like, and as a spout stopper of a soft plastic bottle container 60 having excellent barrier properties as shown in FIG. 3A, for example, As shown in FIGS. 3A and B (Japanese Patent Laid-Open No. 2004-90964), a cylindrical bospin that is in liquid-tight contact with the inner surface of the cylindrical spout 62 of the bottle container 60 below the top surface of the screw-type cap 61. 63, and a plastic spout stopper (bar) having a continuous breakable barrier film 64 welded to the lower end surface of the cylindrical spout 62 and the bottom surface of the columnar bospin 63. A cap device) is used is disclosed.

The patent documents are as follows.
JP 2004-90964 A

However, with respect to the conventional plastic spout stopper shown in FIGS. 3A and 3B, the cylindrical shape of the bottle container 60 made of a soft plastic that has excellent barrier properties and accommodates liquid foods and beverages that require gas barrier properties. The cylindrical spout 62 is liquid-tightly screwed into the inner surface of the cylindrical spout 62 (or the cylindrical spout 62 into which the cylindrical bosspin 63 is liquid-tightly screwed into the inner surface is a laminated resin having excellent barrier properties. Although it is a spout stopper (barrier cap device) excellent in barrier properties and the like, it is attached to the upper opening of the film bag container 40 by heat fusion)
Since the continuous breakable barrier film 64 is welded to the lower end surface of the cylindrical spout 62 and the bottom surface of the columnar bospin 63, the bottle container 60 (or the bag container 40) of the bottle container 60 (or the bag container 40) is manufactured in the manufacturing and filling processes. Not only can liquid foods and beverages not be accommodated from the cylindrical spout 62, but the customer must twist the cylindrical bospin 63 of the screw-type cap 61 to break and open the continuous barrier film 64. Since there is a risk that the broken barrier film 64 may hang down or fall off in the stored liquid food, beverage, etc. There were problems such as difficulty, contamination, safety, hygiene, and reduced barrier properties.

  Therefore, an object of the present invention is to heat-fit and attach to the upper opening of the bag container 40 made of a laminated resin film that contains liquid foods and beverages that require gas barrier properties, etc., and that has excellent barrier properties. In the manufacturing and filling process, liquid food, beverages, etc. are accommodated from the outer cylinder 2 of the plug body 20, and the cap body 30 is screwed to close the cap, making it difficult to open, contamination, safety, hygiene and barriers. It is an object of the present invention to provide a barrier cap structure made of a plastic material that does not have a problem such as deterioration in properties.

As shown in FIGS. 1A and 1B, the barrier cap structure according to claim 1 of the present invention has a barrier cap structure on an outer surface below a flange 3 of an outer cylinder 2 having a thread on the inner surface and a flange 3 on the outer surface. An inner cylinder 4 in which a screw cap is formed on the outer surface of a spigot 20 formed by heat-sealing a bag container 40 having excellent properties.
A cap body 30 including a top disk 5 provided with a barrier film a on the upper surface and a cylindrical grip 6 provided continuously around the top disk 5. This is a barrier cap structure characterized by being screwed.

  In the barrier cap structure of the present invention, the top disk 5 having the upper surface of the inner cylinder 4 of the cap body 30 is provided with a top surface disk 5 having a barrier film a on the upper surface, thereby providing a liquid food or beverage that requires gas barrier properties. A barrier cap structure made of a plastic material and having excellent barrier properties on the upper surface side, which is heat-sealed and attached to the upper opening of the bag container 40 having excellent barrier properties can be obtained. In addition, about the side surface side of the barrier cap structure of the present invention, the outer cylinder 2 of the thick plug body 20 and the inner cylinder 4 of the cap body 30 are respectively connected via the liquid-tight portion at the upper end of the outer cylinder 2. Due to the heavy wall structure, the barrier property on the side surface is maintained.

  Further, in the barrier cap structure of the present invention, by screwing the inner cylinder 4 provided with the thread on the outer surface of the cap body 30 into the outer cylinder 2 provided with the thread on the inner surface of the plug body 20, The customer can easily put the finger on the cylindrical grip 6 and twist the inner cylinder 4 of the cap body 30 to open the outer cylinder 2 of the mouth plug body 20. Liquid food, beverage, etc. can be accommodated from the outer cylinder 2 of the plug body 20 in the state (before closing), and the inner cylinder 4 of the cap body 30 can be screwed to close the cap body 30. Since the barrier film a provided on the upper surface of the disc 5 is not at all in contact with the stored liquid food, beverage, etc., a barrier cap structure is obtained that is free from problems such as contamination, safety, hygiene, and reduced barrier properties. be able to.

  The barrier cap structure according to claim 2 of the present invention is the barrier cap structure according to claim 1, wherein the barrier film is provided on the top surface of the top disk 5 of the cap body 30 as shown in FIG. 1B. The barrier cap structure is characterized in that the diameter a is larger than the outer diameter of the outer cylinder 2 of the plug body 20.

  In the barrier cap structure of the present invention, in the barrier cap structure in which the top disk 5 having the upper surface of the inner cylinder 4 of the cap body 30 provided with the barrier film a is provided continuously, the top disk of the cap body 30. When the barrier film a provided on the upper surface of 5 has a diameter larger than the outer diameter of the outer cylinder 2 of the plug body 20, a barrier cap structure made of a plastic material and having superior barrier properties on the upper surface side is obtained. Can do.

  As shown in FIGS. 2A and 2B, the barrier cap structure according to claim 3 of the present invention has a barrier cap structure on the outer surface below the flange 3 of the outer cylinder 2 provided with a thread on the inner surface and a flange 3 on the outer surface. A cap body 20 similar to claim 1, which is formed by heat-sealing a bag container 40 having excellent properties, etc., and an inner cylinder 4 provided with a thread on the outer surface, and the inner cylinder 4 (in FIG. 2B, The top disk 5 provided with the barrier film a on the upper surface and provided on the inner surface of the plug 20 and the cylindrical gripper provided around the upper end of the inner cylinder 4. 6 is a barrier cap structure characterized in that a cap body 30 is screwed.

In the barrier cap structure of the present invention, the gas barrier is provided in the same manner as in the first aspect described above by connecting the top disk 5 having the upper surface with the barrier film a to the inner surface of the inner cylinder 4 of the cap body 30. It contains liquid foods, beverages, etc. that require safety, etc., and is heat-sealed and attached to the upper opening of the bag container 40 with excellent barrier properties. A barrier cap structure can be obtained. Moreover, in the barrier cap structure of the present invention, unlike the above-described claim 1, as shown in FIG. 2B, the barrier property that is heat-sealed to the outer surface below the flange 3 of the plug 20 is excellent. Since the space between the bag container 40 and the barrier film a provided on the upper surface of the top disk 5 of the cap body 30 is made closer and narrower, the liquid tight part at the upper end of the outer cylinder 2 is interposed. Thus, a barrier cap structure having a double wall structure of the outer cylinder 2 of the thick plug body 20 and the inner cylinder 4 of the cap body 30 and having enhanced side-surface barrier properties can be obtained.

  A barrier cap structure according to a fourth aspect of the present invention is the barrier cap structure according to any one of the first to third aspects described above, as shown in FIGS. 1B and 2B. A liquid-tight portion c is provided between the lower inner surface of the cylinder 2 and the lower outer surface of the inner cylinder 4 of the cap body 30 (in FIGS. 1B and 2B, the lower inner surface of the outer cylinder 2 is extended). Is a barrier cap structure.

  In the barrier cap structure of the present invention, in the barrier cap structure in which the outer cylinder 2 provided with threads on the inner surface of the plug body 20 and the inner cylinder 4 provided with threads on the outer surface of the cap body 30 are screwed. By providing a liquid-tight portion c between the lower inner surface of the outer cylinder 2 of the plug body 20 and the lower outer surface of the inner cylinder 4 of the cap body 30, the outer cylinder 2 and inner cylinder 4 each provided with a thread are provided. In addition to preventing intrusion of stored liquid foods, beverages, and the like, the liquid tightness of the lower inner surface of the outer cylinder 2 or the lower outer surface of the inner cylinder 4 in addition to the liquid tight portion of the upper end of the outer cylinder 2 A barrier cap that has a double-wall structure consisting of the outer cylinder 2 of the thick plug body 20 and the inner cylinder 4 of the cap body 30 through the portion c, and further strengthens the barrier property on the side surface side. A structure can be obtained.

  A barrier cap structure according to a fifth aspect of the present invention is the barrier cap structure according to any one of the first to fourth aspects described above, as shown in FIGS. 1B and 2B. 6 is a barrier cap structure characterized in that a tamper-proof ring b (undercut type in FIGS. 1B and 2B) is provided at the lower end of 6.

  In the barrier cap structure of the present invention, in the barrier cap structure in which the outer cylinder 2 provided with threads on the inner surface of the plug body 20 and the inner cylinder 4 provided with threads on the outer surface of the cap body 30 are screwed. Since the tamper-proof ring b is provided at the lower end of the cylindrical grip 6 of the cap body 30, the customer puts his finger on the cylindrical grip 6 and easily twists the inner cylinder 4 of the cap body 30 to remove the cap body 20. When the cylinder 2 is opened, a part of the tamper-proof ring b is broken, so that a barrier cap structure that can reliably determine the presence or absence of unauthorized opening can be obtained.

As described above, in the barrier cap structure of the present invention, the top disk 5 having the barrier film a on the upper surface is connected to the upper end or the inner surface of the inner cylinder 4 of the cap body 30, so that gas barrier properties and the like are required. A bag container called STD pouch containing various pulps and herbal ingredients, made of laminated resin film with excellent barrier properties and containing liquid foods and beverages that can be tasted by extruding with fingers. 40 is a barrier cap structure made of a plastic material that is heat-sealed and attached to the upper opening of 40, and has excellent barrier properties,
The customer can easily put the finger on the cylindrical grip 6 and twist the inner cylinder 4 of the cap body 30 to open the outer cylinder 2 of the mouth plug body 20. Liquid food, beverage, etc. can be accommodated from the outer cylinder 2 of the plug body 20 in the state (before closing), and the inner cylinder 4 of the cap body 30 can be screwed to close the cap body 30. Since the barrier film a provided on the upper surface of the disc 5 has no fear of coming into contact with the stored liquid food, beverage, etc., a barrier cap structure is provided that is free from problems such as contamination, safety, hygiene and reduced barrier properties. can do.

In the barrier cap structure of the present invention, the bag container 40 having excellent barrier properties and the like is heat-sealed to the outer surface below the flange 3 of the outer cylinder 2 provided with threads on the inner surface and the flange 3 on the outer surface. For the plug 20 having a normal shape, the inner cylinder 4 provided with a thread on the outer surface, the top disk 5 provided with a barrier film a on the upper surface, connected to the upper end of the inner cylinder 4, Regarding the cap body 30 having a normal shape composed of the cylindrical grip 6 provided continuously around the top disk 5, the inner cylinder 4 further provided with a thread on the outer surface, and the inner surface of the inner cylinder 4 are provided continuously. About the cap body 30 having a unique shape composed of the top disk 5 provided with the barrier film a on the upper surface and the cylindrical grip 6 provided continuously around the upper end of the inner cylinder 4,
Each of them can be produced without any particular limitation by an ordinary injection molding method using a metal mold similar to the conventional one using ordinary plastic materials such as polyethylene, polypropylene, and polyvinyl chloride.

  Further, in the barrier cap structure of the present invention, for the barrier film a provided on the top surface of the top disk 5 connected to the upper end or the inner surface of the inner cylinder 4 of the plug body 20, an aluminum foil of about 7 μm, After using a barrier film a having an excellent gas barrier property, such as a polyester film of about 12 μm laminated with vapor deposition layers such as aluminum oxide and silicon oxide, and cutting to fit the shape of the top disk 5, For example, it is suitably attached to the upper surface of the top disk 5 and is preferably placed on the top surface of the top disk 5 in a metal mold for injection molding (referred to as in-mold molding). Thus, the barrier film a can be provided on the upper surface of the top disk 5 connected to the upper end or the inner surface of the inner cylinder 4 of the plug body 20 without any particular limitation.

  Furthermore, in the barrier cap structure of the present invention, a bag container 40 having excellent barrier properties and the like is heat-sealed to the outer surface below the flange 3 of the outer cylinder 2 provided with a thread on the inner surface and the flange 3 on the outer surface. As for the method, the bag container 40, commonly referred to as the STD pouch shown in FIGS. 1A and 2A, is made of a laminated resin film having excellent barrier properties before containing liquid foods, beverages, etc. that require gas barrier properties. The upper opening of the bag body 40 is placed on the outer surface of the flange 3 of the outer cylinder 2 (of the plug body 20) so as to be wrapped around, and the upper opening of the bag container 40 is heat-sealed in a wide width and sealed. At the same time, after mounting by heat-sealing in a liquid-tight manner, in the manufacturing and filling processes, liquid food, beverages and the like are accommodated from the outer cylinder 2 of the plug body 20, and the inner cylinder 4 of the cap body 30 is screwed. Can be plugged in.

  However, a plastic in which a continuous breakable barrier film 64 is welded to the lower end surface of a cylindrical spout 62 and the bottom surface of a columnar bospin 63 as shown in FIGS. For the manufactured spout stopper (barrier cap device), liquid food, beverage, etc. cannot be accommodated from the cylindrical spout 62 of the bottle container 60 (or bag container 40) in the manufacturing and filling process. A cylindrical spout 62, in which a cylindrical bospin 63 is screwed in a liquid-tight manner on the inner surface, is fitted into a cap opening (or an upper opening of a bag container 40) of a bottle container 60 containing a beverage or the like. A plastic barrier cap device is attached by attaching (or attaching by heat fusion).

  1A is a perspective view of a barrier cap structure that is heat-sealed and attached to a bag container 40 in Embodiment 1 of the present invention, and FIG. 1B is an XX cross-sectional view of the barrier cap structure FIG.

In other words, a screw-shaped flange 3 is provided on the inner surface and a boat-shaped flange 3 is provided on the outer surface, and the lower inner surface is extended to form a liquid-tight portion c. An outer cylinder 8 having an outer diameter of 8 mm and a top end 20 of the inner cylinder 4 connected to the cap 20 for heat-sealing the bag container 40 having excellent barrier properties to the outer surface of the inner cylinder 4. A cylindrical gripper 6 having a top surface disc 5 having a diameter of 12 mm and having an undercut-type anti-tampering ring b provided at the lower end of the top surface disc 5 provided continuously with the top surface disc 5 in the periphery. A cap structure comprising: a cap body 30 comprising:
In addition, a 12 μm polyester film laminated with a silicon oxide vapor-deposited layer (SiOx, 400 nm) with excellent gas barrier properties, etc., is cut into a circle of 11 mmφ in accordance with the shape of the top disk 5 having a diameter of 12 mm. Barrier film a,
On the outer surface below the flange 3 of the outer cylinder 2 having the outer diameter of 10 mm described above, the spigot body 20 for heat-sealing the bag container 40 having excellent barrier properties and the like, and the top in the metal mold having a diameter of 12 mm. The cap body 30 made of the inner cylinder 4, the top disk 5, and the cylinder grip 6, each having the 11 mmφ barrier film a placed on the upper surface of the face disk 5, is made of ordinary polypropylene. Example 1 in which a barrier film a having particularly excellent gas barrier properties and the like was provided on the top surface of the top disk 5 of the cap body 30 by in-mold molding by an injection molding method using a metal mold similar to the conventional one. A barrier cap structure was prepared.

Next, in a normal manufacturing and filling process, a self-supporting type called a STD pouch shown in FIG. 1A made of a laminated resin film having excellent barrier properties is used. The upper opening of the bag container 40 of × 150 mm is wound and placed on the outer surface of the outer cylinder 2 having an outer diameter of 10 mm above the plug body 20 and on the outer surface of an acute boat shape below the flange 3 so as to be sandwiched between them. Then, the upper opening of the bag container 40 is heat-sealed to a width of 12 mm and sealed, and at the same time, after being heat-sealed and liquid-sealed, a 600 ml gas barrier is provided from the outer cylinder 2 of the plug body 20. It contains Aloe flesh that requires sex, fresh juice containing herbal ingredients, and screwed the inner cylinder 4 of the cap body 30 to close it.
The customer can put the finger on the cylindrical grip 6 and twist the cap body 30 easily to open it and push it out with fingers, etc., or the cap body 30 can be twisted in the reverse direction to easily close it. Moreover, by providing the tamper-proof ring b, a barrier cap structure that can reliably determine the presence or absence of unauthorized opening was obtained.

In the barrier cap structure of this example, a barrier film a having an outer diameter of 11 mmφ larger than the outer cylinder 2 having an outer diameter of 10 mm, particularly excellent in gas barrier properties, was provided on the upper surface of the top disk 5 of the cap body 30. It contains fresh juice that requires gas barrier properties, etc., and is heat-sealed and attached to the upper opening of the bag container 40 with excellent barrier properties, etc. Barrier cap structure,
The lower inner surface of the outer cylinder 2 of the plug body 20 is extended to form a liquid-tight portion c, so that the stored fresh juice enters between the outer cylinder 2 and the inner cylinder 4 each provided with a thread. And the outer cylinder 2 of the thick plug body 20 and the inner cylinder 4 of the cap body 30 through the liquid-tight portion at the upper end of the outer cylinder 2 and the liquid-tight portion c at the lower inner surface, respectively. It is a barrier cap structure that has a heavy wall structure with enhanced side barrier properties, etc.
In addition, since the upper opening of the bag container 40 having excellent barrier properties and the like is covered with the sharp outer shape of the boat-shaped flange 3 below the boat-shaped flange 3, it is heat-sealed in a liquid-tight manner so as to sandwich the sharp opening. A barrier cap structure that does not cause liquid leakage from the outer surface of the boat-shaped and has a boat-shaped flange 3 that is novel and inviting customers to purchase has been obtained.

  FIG. 2A is a perspective view of a barrier cap structure that is heat-sealed and attached to a bag container 40 in Example 2 of the present invention, and FIG. 2B is an XX cross-sectional view of this barrier cap structure FIG.

That is, a screw thread on the inner surface and a two-layered rectangular flange 3 on the outer surface, and an outer cylinder 2 having an outer diameter of 10 mm and extending the lower inner surface to form a liquid-tight portion c, a cylindrical outer surface below the flange 3 In addition, an inner cylinder 4 having an outer diameter of 8 mm provided with a screw thread on the outer surface thereof, and the plug body 20 of the inner cylinder 4 are provided on the mouth plug body 20 for heat-sealing the bag container 40 having excellent barrier properties. The top surface disc 5 having a diameter of 6 mm, which is provided with a barrier film a on the top surface, is provided on the inner surface of the upper and lower positions almost the same as the flange 3 of FIG. A barrier cap structure characterized by screwing a cap body 30 comprising a cylindrical grip 6 provided with a tamper-proof ring b of the type,
In addition, the 12 μm polyester film having the same silicon oxide vapor-deposited layer (SiOx, 400 nm) as in Example 1 having excellent gas barrier properties and the like is fully matched with the shape of the top plate 5 having a diameter of 6 mm. A barrier film a cut into a 5.5 mmφ circle,
On the outer surface below the flange 3 of the outer cylinder 2 having the outer diameter of 10 mm described above, the mouth plug body 20 for heat-sealing the bag body container 40 having excellent barrier properties and the like, and the ceiling in the metal mold having a diameter of 6 mm. The cap body 30 composed of the inner cylinder 4, the top disk 5, and the cylinder grip 6, each having the 5.5 mmφ barrier film a placed on the upper surface of the face disk 5, is A barrier film a that is excellent in gas barrier properties and the like on the upper surface of the top disk 5 of the cap body 30 by in-mold molding by the same injection molding method using the same metal mold as the conventional polypropylene. A barrier cap structure of Example 2 provided with

Next, in the normal manufacturing and filling process, the same vertical (front / rear width), horizontal, and horizontal as in Example 1 made of a laminated resin film having excellent barrier properties, commonly referred to as an STD pouch shown in FIG. 2A, Place the upper opening of the bag container 40 having a height of 60 × 120 × 150 mm on the outer surface of the outer cylinder 2 of the outer diameter 2 of the plug body 20 that is below the flange 3 so as to be wrapped. The upper opening of the bag container 40 is heat-sealed to a width of 12 mm and sealed, and at the same time the liquid-sealed heat-sealed and attached, then the outer cylinder 2 of the plug 20 is used as an example. 1 containing 600 ml of the same aloe flesh required for gas barrier properties, fresh juice containing herbal ingredients, screwing the inner cylinder 4 of the cap body 30 and closing it,
As in the first embodiment, the customer can put the finger on the cylindrical grip 6, easily open the cap body 30 by screwing it, push it out with fingers, etc., or reverse the cap body 30. By providing the tamper-proof ring b, a barrier cap structure that can reliably determine the presence or absence of unauthorized opening is obtained.

In the barrier cap structure of the present embodiment, the inner cylinder 4 of the cap body 30 is formed on the upper surface of the top disk 5 having a diameter of 6 mm that is continuous with the inner surface of the upper and lower positions almost the same as the flange 3 of the plug body 20. By providing the barrier film a with 5.5 mmφ and particularly excellent gas barrier properties, a bag excellent in barrier properties and the like containing fresh juice that requires gas barrier properties and the like, as in Example 1 described above. A barrier cap structure made of heat-sealed and attached to the upper opening of the body container 40, made of ordinary polypropylene and having excellent barrier properties on the upper surface side,
Unlike Example 1, as shown in FIG. 2B, a bag container 40 excellent in barrier properties and the like thermally fused to the outer surface below the flange 3 of the plug body 20, and a top surface circle of the cap body 30. The lower inner surface of the outer cylinder 2 of the plug body 20 is extended by making the space between the barrier film a of 5.5 mmφ provided on the upper surface of the plate 5 closer and narrowing, as in the first embodiment. The liquid-tight portion c prevents the fresh juice contained from entering between the outer cylinder 2 and the inner cylinder 4 provided with threads, respectively, and the liquid-tight portion at the upper end of the outer cylinder 2 Through the liquid-tight portion c on the lower inner surface, each has a double wall structure of the outer cylinder 2 of the thick plug body 20 and the inner cylinder 4 of the cap body 30, such as a barrier property on the side surface side A more reinforced barrier cap structure was obtained.

  Heat-sealed to the upper opening of the bag container 40, commonly referred to as an STD pouch, made of a laminated resin film having excellent barrier properties and containing liquid foods and beverages that require gas barrier properties, etc. Thus, the plastic barrier cap structure can be used as it is as a spout stopper of a soft plastic bottle container 60 having excellent barrier properties as shown in FIG. 3A.

  That is, the outer cylinder 2 of the bottle cap 60 made of soft plastic shown in FIG. 3A is formed on the inner surface of the cylindrical spout 62 with the screw cap on the inner surface shown in FIGS. 1B and 2B of the barrier cap structure of the present invention. In this case, the outer cylinder 2 is pushed in and attached, and preferably, the cylindrical spout 62 of the bottle container 60 and the outer cylinder 2 of the barrier cap structure of the present invention are integrally formed into a bottle as it is. FIG. 1B shows a barrier cap structure according to the present invention comprising an inner cylinder 4 having a thread on the outer surface, a top disk 5 and a cylinder grip 6 after containing liquid food, beverage, etc. from (spout 62). The cap body 30 shown in FIG. 2B can be screwed and closed.

FIG. 1A in Example 1 of the present invention is a perspective view of a barrier cap structure that is heat-sealed and attached to a bag container 40, and FIG. 1B is an XX cross-sectional view of this barrier cap structure FIG. 2A in Example 2 of the present invention is a perspective view of a barrier cap structure that is heat-sealed and attached to a bag body container 40, and FIG. 2B is an XX cross-sectional view of this barrier cap structure. FIG. 3A is a perspective view of a conventional bottle container 60, and FIG. 3B is a cross-sectional view and a side view of a spout stopper (barrier cap device) of the conventional bottle container 60.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 ... Outer cylinder 3 ... Flange 4 ... Inner cylinder 5 ... Top disk 6 ... Cylindrical gripper 20 ... Mouth plug body 30 ... Cap body 40 ... Bag body container 60 ... Bottle container 61 ... Screw type cap 62 ... Cylindrical shape Spout 63 ... cylindrical bospin 64 ... breakable barrier film a ... barrier film b ... falsification preventing ring c ... liquid-tight part

Claims (5)

  On the outer surface of the outer cylinder 2 provided with a thread on the inner surface and the flange 3 on the outer surface, the bag body 40 having a superior barrier property is heat-sealed on the outer surface below the flange 3. An inner cylinder 4 provided with a thread, a top disk 5 provided with a barrier film a on the upper surface provided continuously with the upper end of the inner cylinder 4, and a cylinder grip provided continuously around the top disk 5 6. A barrier cap structure, wherein a cap body 30 is screwed.   The barrier cap structure according to claim 1, wherein the diameter of the barrier film a provided on the upper surface of the top disk 5 of the cap body 30 is larger than the outer diameter of the outer cylinder 2 of the plug body 20. Barrier cap structure.   On the outer surface of the outer cylinder 2 provided with a thread on the inner surface and the flange 3 on the outer surface, the bag body 40 having a superior barrier property is heat-sealed on the outer surface below the flange 3. An inner cylinder 4 provided with a thread, a top disk 5 provided with a barrier film a on the upper surface and provided on the inner surface of the inner cylinder 4, and a cylinder grip 6 provided continuously around the upper end of the inner cylinder 4. A barrier cap structure, wherein the cap body 30 is screwed.   The barrier cap structure according to any one of claims 1 to 3, wherein a liquid-tight portion c is provided between a lower inner surface of the outer cylinder 2 of the plug body 20 and a lower outer surface of the inner cylinder 4 of the cap body 30. A barrier cap structure characterized by being provided.   5. The barrier cap structure according to claim 1, wherein a tamper-proof ring b is provided at a lower end of the cylindrical grip 6 of the cap body 30.

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