WO2004108545A1

WO2004108545A1 - Bag for packaging liquid food

Info

Publication number: WO2004108545A1
Application number: PCT/JP2003/007053
Authority: WO
Inventors: Yasuharu Takada; Atsushi Takematsu; Hirotaka Ikeda; Yasuhiro Takeda; Atsushi Furuya; Kenji Washida; Kazue Yoshikawa
Original assignee: Fujimori Kogyo Co., Ltd.
Priority date: 2003-06-03
Filing date: 2003-06-03
Publication date: 2004-12-16

Abstract

A packaging bag for especially containing a transluminal, enteral nutrient, a transluminal, enteral liquid food, or the like. The packaging bag is formed by sealing the circumferential part of a plurality of film pieces, fixing an injection opening member to one side, and fixing a delivery opening member independently from the injection opening member. The injection opening member comprises a cap consisting of a top surface part and an internally threaded outer circumferential part hanging downward from the circumferential edge of the top surface part, and an externally threaded injection opening part constituting an injection opening, characterized in that an annular protrusion being applied tightly or fitted to the inner circumferential surface side or the outer circumferential surface side at the forward end part of the injection opening part is provided on the inner surface of the cap.

Description

Description Liquid food packaging bag Technical field

The present invention relates to a packaging bag, and particularly to a packaging bag containing a tube-feeding enteral nutritional supplement, a tube-feeding enteral liquid food, and the like. Background art

Tube and enteral nutrition (hereinafter sometimes abbreviated as nutrient) and tube and enteral liquid food (hereinafter sometimes abbreviated as dynamic food) are available in various types such as cans, paper containers, vouchers, and bottles. It is used in a packaging container. Among them, the patch type is widely used because of its excellent sealing and handling properties. The bouch type generally has a spout, and a tube is connected to the spout for administration. Particularly in the case of nutritional supplements and liquid foods, dilute according to the patient's condition at the time of initial introduction. When stable, it is common to replenish the lack of medicines and fluids. When only a spout is provided, such operations cannot be performed or are limited, and the administration is interrupted and the spout is also used as a supply port, or a part of the bouch is cut off and opened. Had to be replenished. This was complicated work, and there were also problems in hygiene management such as contamination of the spout and opening part and opening more than necessary.

In order to solve the above problems, some models have an injection port composed of a removable cap, etc., but in order to maintain the sealing performance until use, seal the injection port with an inner seal made of film etc. Has gone by. The inner seal is of an easy-pill type, and has a heat seal strength of 1 N or less.Therefore, when the container is filled and subjected to high-temperature and high-pressure sterilization such as retort treatment, the inner seal is used for sterilization during retort treatment. There was a problem that the internal pressure strength did not reach the standard. Disclosure of the invention

According to the present invention, water can be supplied from outside before and during use such as administration of water and medicine. The object of the present invention is to provide a packaging bag which is excellent in handleability and hygiene controllability, is easy to manufacture, and has excellent durability when subjected to high temperature treatment such as retort treatment. Summary of the Invention

The present invention relates to a packaging bag comprising a plurality of film pieces sealed around the periphery thereof, an inlet member mounted on one side, and a spout member mounted separately from the inlet member. A member consists of a top surface and a cap that hangs down from the periphery of the top surface and has an outer periphery with a female thread on the inner surface, and an injection port that has a male screw on the outer surface and forms an injection port. A packaging bag characterized in that it has an annular projecting portion which is tightly fitted or fitted on the inner peripheral surface side and the outer peripheral surface side of the tip end portion of the injection port. The cap consists of a top surface and a cap that hangs down from the periphery of the top surface and has an internal thread with an internal thread, and an injection port that has a male screw on the external surface and constitutes an inlet.The inner surface of the cap has an inlet By using an inlet member with an annular projection that fits tightly or fits on the inner and outer peripheral sides of the tip of the tip, the inner seal is not required, and the injection port is sealed only with the cap. It is possible to handle it and has excellent hygiene management up to the opening of the protrusions, is easy to manufacture, has excellent durability when subjected to high temperature treatment such as retort treatment, and is capable of complete sterilization. The internal pressure strength during sterilization of the treatment can be adapted to the standard. In addition, since the sealing property is high, the inside diameter of the injection port can be increased. Moreover, it can be easily manufactured at low cost. Detailed Disclosure of the Invention

Hereinafter, the present invention will be described in more detail with reference to the drawings.

1 to 7 show a packaging bag which is an example of an embodiment of the present invention. In the packaging bag of FIG. 1, the main body 2 of the packaging bag 1 is formed as a seal portion 7 (shown by hatching in the figure) by sealing the peripheral portions of three film pieces. As shown in Fig. 2, the main part of the main unit is composed of film pieces 2a and 2b facing each other, and only the bottom part 9 is arranged with the film piece 2c interposed between the film pieces 2a and 2b. The gusset part is formed in a gusset shape. Providing gussets improves the independence of packaging bags And the capacity will also increase. When the packaging bag of the present invention is used for accommodating a enteral enteral nutrition or a enteral enteral liquid food, it is preferable to provide a gusset portion from the viewpoint of workability during transportation and hot water bathing. Filling of the contents is performed by forming only the upper end 8 of the packaging bag as an unsealed portion to form another portion, then filling the contents from the unsealed portion, and sealing the unsealed portion. Notches 10 and 10 are provided on the side of the film piece 2c forming the gusset to stabilize the shape of the lower part of the packaging bag.

The main body 2 of the packaging bag 1 has a shape in which a planar shape is partially cut inward, and a filling member 4 is provided on one side 3 of the cut portion. The pouring member 4 forms the pouring port 11 in an opened state, and is used for supplying water, medicine, and the like into the inside of the packaging bag from the pouring port. As shown in FIG. 4, the injection member 4 has a top surface 40, a cap 4a that hangs down from the periphery of the top surface 40, and a peripheral portion 41 having a female thread 42 on the inner surface, and a cap 4a, as shown in FIG. It has a male screw 60 on the outer surface as shown, and an injection port 4 that forms the inlet 11, and further has a thin boat-shaped mounting part ^: c at both ends for mounting to the packaging bag body . The inlet part 4b and the mounting part 4c are integrally formed, and the mounting part 4c is attached between the film pieces (2a, 2b in Fig. 2) around the packaging bag body by thermal bonding or the like. Can be The cap 4a is provided to protect the inlet, sanitary control and reveal the sealed state before opening, and the cap 4a and the inlet 4b are closed by screwing the female screw 42 and the male screw 60. .

An annular projection 43 is provided on the inner surface of the cap 4a. As shown in FIG. 7, the annular projection is in close contact with the inner peripheral surface, the top, and the outer peripheral surface of the tip of the injection port 11 of the injection port 4b when the plug is closed, as shown in FIG. To appear.

The male screw 60 provided in the inlet is formed by spirally forming a plurality of threads, and the length of the top of the screw in the direction of the outer circumference of the inlet is 1 Z 3 to 1 / Set to a length of 4. By setting the length of the thread crest of the male screw 60 as described above, when the male screw 60 is screwed with the female screw 42, the cap 4a is set at 50 to the injection port 4b. Rotation by 90 ° to 90 ° enables closure.

The cap 4a is provided with a peripheral band 47 connected to the lower end of the outer peripheral portion 41 of the cap by a breakable connection portion, as a mechanism for clearly indicating the opening. The circumferential band 47 has a tongue piece protruding inward, and at the time of sealing before opening, the tongue piece is attached to an injection port 4 b described later. Although it is locked to the jaw of the formed flange part 61, the cap is opened, the connection part is broken and the circumferential band 47 is separated, and only the circumferential band 47 is injected into the inlet port 4. The cap 4a can be removed, leaving it at b. Separation of the peripheral band 47 clearly indicates that the stopper has been opened. In addition, a stopper 49 is provided to prevent breakage of the broken portion when the cap is closed after the contents are filled. Further, a plurality of ribs 50 are formed on the outer surface of the cap 4a to prevent slippage when the cap is opened.

In addition to the male screw 60, a flange 61 and a vent 62 for preventing the sagging of the contents are provided on the outer surface of the inlet 4b, and between the flange 61 and the vent 62 when the plug is opened. Circumferential band 47 remains.

If it is necessary to inject water, diluent, chemicals, etc. during use, open the cap 4a of the injection member 4 and open it to form the inlet 11 and the inlet 11 Inject more into the packaging bag. At the same time, when the cap is opened, the connection part is broken, the peripheral band is separated, and the cap is removable, leaving only the peripheral band at the injection port. This clearly indicates that the cap has been opened.

A spout member 5 is attached to the packaging bag 1 at a position opposing the injection member 4. The spout member 5 becomes a spout when opened, and is for connecting a tube or the like to the spout to discharge the contents to the outside. As shown in FIG. 3, the spout member 5 is a member formed by integrally forming a mounting portion 5c having a thin boat shape at both ends for mounting to the packaging bag body and a hollow tube 5b serving as a spout. And a cap 5a to be fitted thereto, and an attachment portion 5c is attached to the packaging bag body by thermal bonding or the like. The cap 5a is installed for protection of the cap and sanitation. The distal end of the pipe 5b formed by injection molding is fitted inside the cap 5a, and when opening for pouring, the cap 5a is rotated and fitted to the cap 5a. This is performed by removing the tip of the pipe 5b which is rotated integrally with the cap 5a.

The packaging bag 1 further has a through hole 6 penetrating the film piece as a suspending means capable of suspending the packaging bag in a seal portion around the film piece in the vicinity of the pouring member 4. Hanging the packaging bag 1 by hooking a jig into the through hole 6 Therefore, the spout member 5 is disposed below, and it is easy to pour out the contents from the spout member 5 and supply from the injection port 11 formed by opening the injection member 4 disposed above. Become.

In the present invention, the constituent material of the injection member is not particularly limited as long as it does not affect the contents and can exhibit a desired hermeticity, for example, medium density or polyethylene resin, polypropylene resin or the like. High density olefin resin, polyester resin, polyamide resin, etc. can be used. Further, as described later, the cap may be composed of a plurality of different members such as a liner including a projection on the inner surface of the cap. The material constituting the liner may have a suitable cushioning property and flexibility as long as the function of the present invention is not impaired, and may be a low-density, medium-density, medium-density, high-density polyethylene resin or polypropylene. A system resin, a thermoplastic elastomer, or the like may be used. These materials are molded by injection molding, injection molding or the like. In addition, the liner is formed on the inner surface of the cap separately from the cap shell on the outside of the cap and attached, a method of supplying and forming the liner component material to the cap shell, and simultaneously forming the cap shell and the liner Any of these methods may be used, and an adhesive or the like may be used as necessary.

In the present invention, the shape of the injection port member includes a top surface portion, a cap that hangs down from the periphery of the top surface portion and has an outer peripheral portion provided with a female thread on the inner surface, and an injection port portion provided with a male screw on the outer surface and forming an inlet. The inner surface of the cap is particularly limited as long as it has an annular protrusion that closely or fits to the inner and outer peripheral sides of the tip end of the injection port so that the desired hermeticity can be achieved. Not done. Although the size (height, width) and shape of the annular projection, the number of installations, the installation positions, and the like are not limited, a plurality of annular projections such as the outer annular projection, the top annular projection, and the inner annular projection in the above embodiment are used. Preferably, the projection is used to perform sealing.

Further, it is preferable that the injection port portion of the injection roller member has an attachment portion for attachment to the packaging bag main body at a lower portion thereof. The attachment part may be attached to the packaging bag body in accordance with the sealing method of the peripheral portion of the film piece in the packaging bag body.For example, the film piece has a sealant layer and is sealed by thermal bonding. To do so, place the mounting part at a predetermined position between the film pieces that constitute the protrusion, and add The injection port is attached to the main body of the packaging bag by, for example, sealing by bonding by applying heat.

In the present invention, it is preferable that the filling member has an opening-clearing mechanism for clearly indicating that the sealing member has been opened and the sealed state has been released from the viewpoint of hygiene management. Examples of the opening mechanism include a configuration in which a peripheral band connected by a breakable connection portion is provided at the lower end of the outer peripheral portion of the cap as in the above embodiment. In this configuration, at the time of sealing, the peripheral band is locked to a flange portion formed at the injection port, but when the cap is opened, the connection portion is broken to separate the peripheral band, and the peripheral band is separated. The cap can be removed by leaving only the shape band at the inlet.

In the present invention, the size of each part of the inlet member may be appropriately set according to the type and use form of the items to be stored in the packaging bag, but the inner diameter of the inlet in the inlet member is 12 mm. Preferably it is ~ 25 mm. Since the packaging bag of the present invention is not sealed with an inner seal, the inside diameter of the injection port can be increased while maintaining the sealing property until opening. Injection can be facilitated even when refilling is performed using a medicine can or the like in the bag.

In the present invention, the portion of the main body of the packaging bag to which the injection port member is attached forms a channel for external replenishment when the injection port is opened, so that the replenishment of the contents inside the package from the outside can be performed. For ease, the film piece may be formed in a shape bulging outward using a pressing die or the like.

In the present invention, the constituent materials of the plurality of film pieces constituting the packaging bag main body are not particularly limited, and materials conventionally used for vouches can be used. Examples of such a material include various films such as a biaxially oriented polyolefin resin film, a biaxially oriented polyamide resin film, a biaxially oriented polyester resin film, and an ethylene-bier alcohol copolymer film. Composite films in which low-density polyethylene, linear low-density polyethylene, ethylene-vinyl acetate copolymer, polypropylene, or other olefin-based heat-adhesive resin is laminated as a sealant layer on these substrates. Can be Further, from the viewpoint of enhancing the protection of the contents, a film obtained by further laminating a plurality of single-layer films / composite films, or a film obtained by laminating silica, aluminum oxide or the like on the above-mentioned composite film can be used. In particular, biaxial stretching Using a laminated film of polyethylene terephthalate or biaxially stretched polyamide with a laminated aluminum oxide layer as the base material, it has excellent barrier properties and fragrance retention properties, and a pinhole tester or metal detector after filling. It is also possible to use a microphone and heat with a microphone mouth wave. The thickness after filling can be generally 30 to 150; am, and the entire size can be appropriately set according to the capacity. The packaging bag body is formed by sealing the peripheral portion by heat bonding of a sealant layer or the like according to the configuration of the film piece.

The shape of the main body of the packaging bag of the present invention is not particularly limited as long as the peripheral portions of the plurality of film pieces are sealed, and the peripheral portions of the two film pieces are sealed as in the above embodiment, In addition to the gusset shape, a gusseted shape is provided, and the shape of the two film pieces is only sealed around the periphery, or a gusset is provided on one or both side surfaces, or the top surface, to accommodate May be measured.

When the main body of the packaging bag of the present invention is formed, the sealing shape and the sealing width of the peripheral portion of the film piece are not particularly limited as long as the sealing shape and the sealing width can be sealed, and a hanging hole and a hook portion as in the above embodiment are formed. The shape and width may be changed as possible.

When the packaging bag of the present invention is used for accommodating a enteral enteral nutritional supplement or a enteral enteral liquid food, it is preferable that the packaging bag has a suspending means that can be suspended in the packaging bag. New As the suspending means, a through hole may be formed in the seal portion as in the above-described embodiment, or a form in which a suspending tool such as a hook formed separately may be attached. A plurality of these suspending means may be provided, and the arrangement thereof is not limited. However, from the state of use, the suspending means is provided near the inlet member, while the outlet member is injected. Preferably, it is provided at a position opposed to the inlet member. With such an arrangement, it becomes easy to pour out the contents from the spout member and to refill from the inlet formed by opening the spout member.

In the packaging bag of the present invention, the shape and the constituent material of the spout member are not particularly limited, and commonly used ones can be used. A mounting portion to be attached to the packaging bag body and a hollow tube serving as a spout port are used. Integrally molded force S preferred. The attachment portion is attached to the main body of the packaging bag by heat bonding or the like, and preferably has a thin boat shape at both ends. Also, the spout is sealed by heat sealing the end, fitting or screwing the lid or cap, or sealing with a sealing material. The packaging bag of the present invention is used as follows. After forming only the upper part of the packaging bag as an unsealed part and fusing the other parts, etc., fill the contents from the unsealed part and seal the unsealed part. Thereafter, if necessary, retort sterilization, high-temperature flash sterilization, and the like are performed. If it is necessary to perform these treatments, the materials of the film pieces, inlet members, and outlet members constituting the packaging bag should be selected in advance. When the contents are to be poured out, as in the first embodiment, the contents are suspended by the suspending means, the spout is opened, a tube or the like is connected, and the contents are extracted. On the other hand, water, diluent, chemicals, etc. are removed by removing the cap of the injection port member, opened, and injected into the inside of the packaging bag from the formed injection port.

The packaging bag of the present invention is used when there is a possibility of injecting a liquid or the like from the outside in addition to the discharge of the contents, but it is used for feeding a tube or enteral fluid for replenishing drugs or water during administration. It is particularly suitable for enteral enteral nutrition. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a front view of a packaging bag which is an example of an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along the line AA of the packaging bag of FIG.

FIG. 3 is a view showing a state in which the filling member and the spout member are opened in the packaging bag of FIG.

FIG. 4 is a side sectional view showing an example of a configuration of a cap of an injection port member in the packaging bag of FIG.

FIG. 5 is a side view showing an example of the configuration of the injection port portion of the injection port member in the packaging bag of FIG.

FIG. 6 is a side view showing a state where the cap of FIG. 4 and the injection port of FIG. 5 are screwed together. FIG. 7 is a cross-sectional view of a principal part showing a sealed state in which the cap of FIG. 4 and the injection port of FIG. 5 are screwed together.

FIG. 8 is a front view of a package g-bag, which is an example of another embodiment of the present invention.

FIG. 9 is a cross-sectional view taken along the line AA of the packaging bag of FIG.

[Another embodiment] The packaging bag of the present invention may be formed, for example, as shown in FIGS. 8 and 9 show an example of another embodiment of the packaging bag of the present invention. As shown in Fig. 8, both the filling member 4 and the spout member 5 are mounted on the upper part of the packaging bag 1 ', and as a suspending means, the sealing width at the lower part of the packaging bag is increased at both ends of one piece. The through holes 6a and 6b may be formed. By mounting the two suspending means 6a and 6b at a position opposed to the injection member 4 and a position opposed to the spout member 5, respectively, the gusset portion is installed below and the injection member 4 is provided. The cap 4a is opened to form an inlet 11 and the inside of the packaging bag is replenished from the inlet 11 and then the cap 4a is closed again, sealed, and inserted into the through hole 6a. The packaging bag is hung by hanging the jig, the spout member 5 is opened, and the contents are discharged. After the contents are discharged, the inside of the packaging bag is further replenished from the inlet 11 and then the jig is hooked into the through hole 6b, the packaging bag 1 'is suspended, and the connection member is connected to the injection port 4b. By screwing, the replenished contents may be poured out from the pouring member 4. That is, even if the packaging bag 1 ′ is hung by hanging the jig on any of the hanging means 6 a and 6 b, the container is stored by either the injection member 4 or the spout member 5 which opposes it. It is possible to pour out things. Example

Adhesion of 12 / zm thick polyethylene terephthalate film, 15 m thick polyamide film, heat-resistant thin film of aluminum oxide (A1302) and polypropylene film An adhesive layer consisting of a silica-deposited polyester film, a 15-m-thick polyamide filem and a polypropylene film was attached to film pieces 2a and 2b in the packaging bag of A film similar to that of Fig. 1 was formed by using the laminated film sequentially laminated through Packaging bag 1 was manufactured. At this time, an injection member 4 (inner diameter 20.7 mm) made of high-density polyethylene and having the structure shown in Figs. 4 to 7 is attached to one side of the peripheral part so that the attachment part 4c is sandwiched between the film pieces. Thermal bonding was performed, and a spout member 5 made of a polypropylene resin was thermally bonded such that the mounting portion 5c was sandwiched between the film pieces. In addition, as a suspension means, increase the seal width A through hole 6 was formed in one piece by punching. The size of the packaging bag is approximately 180 mm in width (the width of the housing part is about 120 mm), the height is 220 mm, the maximum height of the gusset is 40 mm, the seal width is 5 mm, and the penetration is The seal width at the hole forming portion was 35 mm. The through-hole was elliptical with a major axis of 24 mm and a minor axis of 18 mm. The upper part of the packaging bag was left unsealed, and after filling the contents, it was sealed by heat fusion. The jig is hooked into the through hole 6 to hang the packaging bag 1, the outlet member 5 is opened and the contents are poured out, while the cap 4a of the injection member 4 is opened and the inlet 1 is opened. 1 was formed, and the inside of the packaging bag was supplied from the inlet 11. The invention's effect

Since the packaging bag of the present invention has an injection port, it is possible to replenish moisture and the like from the outside during use such as administration of a drug, and since the injection port has a specific structure, handleability and hygiene are improved. It has excellent controllability, is easy to manufacture, and has excellent durability when subjected to high-temperature treatment such as retort treatment.It has excellent durability and can be completely sterilized.Based on the internal pressure strength during sterilization in retort treatment. Can be adapted. Further, it is easy to manufacture and is cost effective.

Claims

The scope of the claims

1. A packaging bag in which a plurality of film pieces are sealed around the periphery thereof, an inlet member is attached to one side, and a spout member is attached separately from the inlet member. The material consists of a top surface, a cap that hangs down from the periphery of the top surface and has an outer periphery with a female thread, and an injection hole that has a male screw on the outer surface and forms an injection port. A packaging bag having an annular projection that is in close contact with or fitted to an inner peripheral surface and an outer peripheral surface of a front end portion at an inlet portion.

2. The packaging bag according to claim 1, wherein the length of the thread top of the male screw in the outer peripheral direction of the injection port is 1/3 to 1 Z4 of the outer peripheral length of the injection port.

3. The packaging bag according to claim 1 or 2, further comprising a clear opening mechanism with a circumferential band connected by a breakable connection portion at a lower end of an outer peripheral portion of the inlet member.

4. The packaging bag according to any one of claims 1 to 3, wherein the inner diameter of the inlet at the inlet of the inlet member is 12 mm to 25 mm.

5. The packaging bag according to any one of claims 1 to 4, wherein the packaging bag has a gusset portion on the bottom surface.

6. The packaging bag according to any one of claims 1 to 5, further comprising one or more suspending means capable of suspending the packaging bag around the film piece.

7. Claims 1 to 7, wherein the suspending means is provided around the film piece near the inlet member, and the spout member is provided at a position opposed to the inlet member. 7. The packaging bag according to any one of 6.

8. The suspension means according to claim 1, wherein two suspension means are provided, and the suspension means are respectively provided at a position opposed to the inlet member and a position opposed to the spout member. A packaging bag according to the item.

9. The packaging bag according to any one of claims 1 to 8, wherein the packaging bag is intended for tube and enteral liquid food.

10. The packaging bag according to any one of claims 1 to 8, which is used for a tube enteral nutritional supplement.