JP2017189225A - Connected containers and method for manufacturing filled connected containers - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide connected containers capable of more uniformly filling storage parts of a plurality of unit containers with liquid than the conventional one, and a method for manufacturing the connected containers.SOLUTION: Connected containers 100 are formed by connecting a plurality of unit containers 10 each having a storage part 11 for storing liquid L. The connected containers 100 include: a first spare chamber 20 having a liquid filling port 21 and connected to one end in the connection direction of the plurality of unit containers 10; a second spare chamber 30 including a gas exhaust port 31 and connected to the other end in the connection direction of the plurality of unit containers 10; a liquid passage 40 for communicating the first spare chamber 20, bottoms of the plurality of storage parts 11, and the second spare chamber 30 with one another; and a gas passage 50 for communicating the first spare chamber 20, upper portions of the plurality of storage parts 11, and the second spare chamber 30 with one another.SELECTED DRAWING: Figure 1

Description

  Embodiments of the present disclosure relate to a connection container in which a plurality of containers are connected and a method for manufacturing a filled connection container.

  Conventionally, an invention related to a cell cryopreservation container for storing stem cells or the like collected from a biological sample is known (see Patent Document 1 below). The container includes a plurality of storage chambers arranged at predetermined intervals in the first direction, and one or a plurality of partition regions arranged between the two storage chambers arranged adjacent to each other. Yes. The container is further arranged at one end side and / or the other end side in the second direction perpendicular to the first direction in the partition region, and one or a plurality of the two accommodating chambers arranged adjacent to each other are communicated with each other. It has a communication part.

  In this container, a surface portion is formed on one side of the third direction orthogonal to the first direction and the second direction, and a back surface portion is formed on the other side of the third direction. The surface portion is formed in a concavo-convex shape with the plurality of accommodating chambers and the communication portion protruding to one side in the third direction, and the back surface portion is formed in a flat shape. The length of the partition region in the first direction is configured to be longer than the length of the storage chamber in the first direction.

  Moreover, the invention regarding the elongate flexible resin container series by which the several container provided with each storage chamber which accommodates liquids, such as a chemical | medical solution, was arrange | positioned continuously is disclosed (refer the following patent document 2). . The container series includes a container series main body, a liquid filling port means provided in the container series main body, a first filter member mounted on the liquid filling port means, and a vent provided in the container series main body. And a second filter member provided in the vent means.

  The container continuous body is a long flexible resin container continuous body in which a plurality of containers are continuously arranged in the longitudinal direction. In the container continuous body, the plurality of containers each have a liquid storage chamber, and the liquid storage chambers are partitioned so as to partially communicate with each other, and are completely partitioned from each other after the liquid is stored. It has become.

JP 2013-5825 A JP 2003-312731 A

  The cell cryopreservation container described in Patent Document 1 introduces cells from a cell introduction part provided in any one of the plurality of storage chambers, and then a plurality of others from a communication part provided in the storage part. Cells are introduced into the receiving part. Therefore, the conditions at the time of cell introduction differ greatly between the accommodating part into which cells are introduced from the cell introducing part and the other plural accommodating parts, and it becomes difficult to uniformly introduce cells into each accommodating part. There is a fear.

  In the container series described in Patent Document 2, a liquid filling port means is provided at one end of the container series main body in the longitudinal direction. The liquid filling port means has a liquid filling port formed at an upper portion of one end portion in the longitudinal direction of the container continuous body. Therefore, the liquid flows in through the non-welded portion at the upper part of the partition wall between the storage chamber at one end in the longitudinal direction of the container continuous body in which the liquid is directly filled from the liquid filling port and the adjacent storage chamber. The conditions at the time of fluid filling differ greatly from other storage chambers, and it may be difficult to uniformly fill each storage chamber with liquid.

  Embodiments of the present disclosure have been made in view of the above-described problems, and provide a connection container capable of filling a container of a plurality of single containers more uniformly than before and a manufacturing method thereof. Objective.

  In order to achieve the above object, a connection container according to an embodiment of the present disclosure is a connection container in which a plurality of single containers each having a storage portion for storing a liquid are connected, and has a plurality of single containers having a liquid filling port. A first auxiliary chamber connected to one end in the connecting direction, a second auxiliary chamber having a gas discharge port and connected to the other end in the connecting direction of the plurality of single containers, and the first auxiliary chamber and the plurality A liquid passage that communicates the bottom of the storage portion and the second preliminary chamber, and a gas passage that communicates the first preliminary chamber, the upper portions of the plurality of storage portions, and the second preliminary chamber.

  The bottom surface of the liquid passage and the bottom surfaces of the plurality of storage portions may be provided flush with each other.

  The top surface of the gas passage and the top surfaces of the plurality of housing portions may be provided flush with each other.

  The bottom surface of the first preliminary chamber and the bottom surface of the second preliminary chamber may be provided above the liquid storage portion below the plurality of storage portions.

  The single container has a flat shape whose length along the bottom surface is longer than the width along the bottom surface, and whose thickness perpendicular to the bottom surface is smaller than the width, and the plurality of single containers are connected via a connecting portion. And may be connected in the width direction.

  The liquid passage and the gas passage may be provided in the connecting portion, and a material of the connecting portion may be a thermoplastic resin.

  Further, the filled connection container according to an embodiment of the present disclosure is a connection container in which a plurality of single containers each having a storage portion in which a liquid is stored is connected, and is provided on both sides in the connection direction of each of the single containers. A connecting portion, and a closing portion provided in the connecting portion, wherein the closing portion extends from the bottom of each of the storage portions to the connecting portions on both sides in the connecting direction, and The gas passage extending from the upper part of the housing part to the connecting parts on both sides in the connecting direction is closed.

  In addition, a method for manufacturing a filled connection container according to an embodiment of the present disclosure is a method for manufacturing a filled connection container in which a plurality of single containers each having a storage part in which a liquid is stored are connected, and the connection part is interposed therebetween. A plurality of the single containers connected to each other; a first preliminary chamber having a liquid filling port and connected to one end in a connecting direction of the plurality of single containers via a connecting portion; A second auxiliary chamber connected to the other end of the single container in the connecting direction via a connecting portion; the first auxiliary chamber provided at the connecting portion; the bottoms of the plurality of accommodating portions; and the second auxiliary chamber; A container forming step for forming a liquid passage that communicates with each other, and a gas passage that is provided in the connecting portion and communicates with the first preliminary chamber, the upper portions of the plurality of storage portions, and the second preliminary chamber, and the liquid The plurality of accommodating portions are filled with liquid via a filling port and the liquid passage. A filling step of discharging gas from the plurality of accommodating portions through the gas passage and the gas discharge port; and forming a closing portion for closing the liquid passage and the gas passage by heating the connecting portion. A welding step for sealing the housing portion, and a separation step for cutting and removing the first preliminary chamber and the second preliminary chamber.

  According to the connection container and the manufacturing method thereof of the present disclosure, it is possible to fill the accommodating portions of the plurality of single containers more uniformly than in the past.

The typical longitudinal section of the connection container concerning Embodiment 1 of this indication. The typical longitudinal cross-sectional view which shows the modification 1 of the connection container shown in FIG. The typical longitudinal cross-sectional view which shows the modification 2 of the connection container shown in FIG. The typical longitudinal cross-sectional view which shows the modification 3 of the connection container shown in FIG. The typical plane sectional view of the connection container concerning Embodiment 2 of this indication. Typical sectional drawing which follows the AA line | wire, BB line, and CC line | wire shown in FIG. The typical longitudinal section of the connection container concerning Embodiment 3 of this indication. The flowchart which shows each process of the manufacturing method of the connection container which concerns on one Embodiment of this indication.

  Hereinafter, embodiments of the connection container and the manufacturing method thereof according to the present disclosure will be described with reference to the drawings. Below, each embodiment of a connection container is described first, and next, one Embodiment of the manufacturing method of a connection container is described.

[Connecting container: Embodiment 1]
FIG. 1 is a schematic longitudinal sectional view of a connection container 100 according to Embodiment 1 of the present disclosure.

  The connection container 100 of the present embodiment includes a plurality of single containers 10 having a storage portion 11 that stores a liquid L such as water, a chemical solution, or a cell suspension, and the plurality of single containers 10 are integrally connected. Container. The connection container 100 of the present embodiment further includes a first preliminary chamber 20 connected to one end of the single container 10 in the connection direction, a second preliminary chamber 30 connected to the other end of the single container in the connection direction, It has. In addition, the connection container 100 of the present embodiment includes a liquid passage 40 that communicates the first preliminary chamber 20 with the bottom of the accommodating portion 11 of the plurality of single containers 10 and the second preliminary chamber 30, and the first preliminary chamber 20 and the plurality of first preliminary chambers 20. A gas passage 50 that communicates the upper part of the storage part 11 of the single container 10 with the second preliminary chamber 30.

  Although the raw material of the connection container 100 is not specifically limited, For example, the resin material which has transparency with respect to visible light can be used. As the resin material, for example, thermoplastic resins such as polystyrene, polypropylene, polyethylene, and ethylene / vinyl acetate copolymer resin can be used. The connection container 100 may be formed of, for example, a flexible sheet-like resin material, or may be formed of a resin material having rigidity that can maintain a certain shape during use.

  The single container 10 can have, for example, a flat shape in which the length l1 in the direction perpendicular to the bottom surface 10b is longer than the width w1 in the direction along the bottom surface 10b and the width w1 is larger than the thickness. In FIG. 1, the direction along the width w1 of the single container 10 is the X-axis direction, the direction along the thickness of the single container 10 is the Y-axis direction, and the direction along the length l1 of the single container 10 is the Z-axis direction. An orthogonal coordinate system is shown. In the connection container 100 of the present embodiment, the plurality of single containers 10 all have the same configuration and the same shape and dimensions.

  The shape of the single container 10 is not limited to a rectangular plate shape in which the cross-sectional shape parallel to the bottom surface 10b and perpendicular to the length l1 direction is the same as the connection container 100 of the present embodiment. For example, the connecting container 100 is a single container 10 having a cylindrical shape having an arbitrary cross-sectional shape such as a circular shape, an elliptical shape, an oval shape, a square shape, or a polygonal shape, which is parallel to the bottom surface 10b and perpendicular to the length l1 direction. Can be provided. In addition, the number of single containers 10 in the connection container 100 is not particularly limited. For example, when the number of single containers 10 is a power of 2, the connection container 100 is divided into two when the connection container 100 is divided into two. Can be equal.

  The storage part 11 inside the single container 10 is an internal space of the connection container 100 surrounded by a partition wall, and the liquid level of the liquid L stored in the storage part 11 when the bottom surface 10b of the single container 10 is leveled. A portion below the expected position of LL is a liquid storage portion 12 for storing the liquid L. Moreover, the accommodating part 11 is made into the gas accommodating part 13 for accommodating gas in the part above the plan position of the liquid level LL of the liquid L accommodated. Note that the entire storage unit 11 may be the liquid storage unit 12.

  The single container 10 may have a port portion 14 at one end in the length l1 direction. The port portion 14 is provided so as to protrude in the length l1 direction from one end of the single container 10 in the length l1 direction. The port portion 14 has, for example, a cylindrical shape or a truncated cone shape, and a distal end portion is closed and a proximal end communicates with the accommodating portion 11. The port portion 14 is opened by cutting the tip, for example, and can supply the liquid L accommodated in the accommodating portion 11 to the outside. Moreover, the several single container 10 is connected in the width w1 direction via the connection part 60, and has the connection part 60 which has the same structure in the one end and the other end of the width w1 direction, respectively.

  The connection part 60 is provided between the single container 10 and the single container 10, and connects the single containers 10 adjacent in the width w1 direction. The material of the connecting portion 60 is preferably a thermoplastic resin. The connecting portion 60 is formed integrally with the single container 10 using, for example, the above-described resin material, which is a thermoplastic resin, and connects a plurality of single containers 10 arranged in the width w1 direction. The connecting portion 60 connects the first preliminary chamber 20 and the second preliminary chamber 30 to one end and the other end of the single container 10 in the connecting direction, respectively. The connecting portion 60 has a thickness that allows the liquid passage 40 and the gas passage 50 to be blocked by welding or the connecting portion 60 to be cut by fusing after the liquid L is filled into the storage portion 11 of the single container 10. Can be formed.

  The first preliminary chamber 20 is an internal space of the connection container 100 surrounded by a partition wall like the housing part 11 of the single container 10, and is connected to one end in the connection direction of the single container 10 via the connection part 60. . The first preliminary chamber 20 has a liquid filling port 21 for filling the liquid L accommodated in the accommodating portions 11 of the plurality of single containers 10. The liquid filling port 21 is provided on the top surface 20 a of the first preliminary chamber 20 at one end in the length 11 direction of the first preliminary chamber 20. In addition, the volume of the 1st preliminary | backup chamber 20 can be made smaller than the volume of the accommodating part 11 of the single container 10 by making width w2 smaller than the width w1 of the single container 10, for example.

  Similarly to the first preliminary chamber 20, the second preliminary chamber 30 is a space surrounded by a partition wall, and is connected to the other end in the connecting direction of the single container 10 via the connecting portion 60. The second preliminary chamber 30 has a gas discharge port 31 for discharging the gas discharged from each storage unit 11 when the storage unit 11 of the plurality of single containers 10 is filled with the liquid L. The gas discharge port 31 is provided on the top surface 30 a of the second preliminary chamber 30 at one end in the length 11 direction of the second preliminary chamber 30. The gas discharge port 31 may include a filter that prevents entry of dust or the like. Note that the volume of the second preliminary chamber 30 is smaller than the volume of the accommodating portion 11 of the single container 10, for example, by making the width w 3 smaller than the width w 1 of the single container 10, similarly to the first preliminary chamber 20. can do.

  The liquid passage 40 is connected to the plurality of single containers 10 and the connecting portion 60 so as to communicate the bottom of the first preliminary chamber 20, the bottom of the accommodating portion 11 of the plurality of single containers 10, and the bottom of the second preliminary chamber 30. It penetrates the lower end of the. The liquid passage 40 extends in the connecting direction of the single container 10, that is, the width w1 direction of the single container 10, and is provided on a straight line along the connecting direction of the single container 10 and the width w1 direction.

  Here, the bottoms of the first preliminary chamber 20, the accommodating portion 11, and the second preliminary chamber 30 are in the length l1 direction than the end portion where the liquid filling port 21, the port portion 14, or the gas discharge port 31 is provided. , Means a portion near the end opposite to these. That is, when the connecting container 100 is disposed so that the length l1 direction is substantially parallel to the vertical direction, the first preliminary chamber 20, the accommodating portion 11, and the second preliminary chamber 30 are below the center in the length l1 direction. The side parts are the bottoms of each.

  The gas passage 50 is connected to the plurality of single containers 10 and the connecting portions 60 so as to communicate the upper part of the first preliminary chamber 20, the upper part of the accommodating part 11 of the plurality of single containers 10, and the upper part of the second preliminary chamber 30. It penetrates the upper end of the. Similarly to the liquid passage 40, the gas passage 50 extends in the connecting direction of the single container 10, that is, the width w <b> 1 direction of the single container 10, and is provided on a straight line along the connecting direction and the width w <b> 1 direction of the single container 10.

  Here, the upper part of the first preliminary chamber 20, the accommodating portion 11, and the second preliminary chamber 30 is an end in which the liquid filling port 21, the port portion 14, or the gas discharge port 31 is provided in the length 11 direction than the bottom portion. It means the part close to the part. That is, when the connecting container 100 is arranged so that the length l1 direction is substantially parallel to the vertical direction, the first preliminary chamber 20, the accommodating portion 11, and the second preliminary chamber 30 are located above the center in the length l1 direction. The side part is the upper part of each.

  Note that the volume of the liquid passage 40 and the gas passage 50 with respect to the volume of the accommodating portion 11 of the plurality of single containers 10 of the connection container 100 is 5% so as not to generate a useless space inside the single container 10 as much as possible. Is preferably less than 1%, and more preferably less than 1%.

  Hereinafter, an effect | action of the connection container 100 of this embodiment is demonstrated.

  As described above, the connection container 100 according to the present embodiment includes a plurality of single containers 10 each having the storage portion 11 that stores the liquid L, and the plurality of single containers 10 are integrally connected. Moreover, the connection container 100 of this embodiment has the 1st preliminary | backup chamber 20 connected to the end of the connection direction of the several single container 10 which has the liquid filling port 21, and the several single container which has the gas exhaust port 31. 10 and a second preliminary chamber 30 connected to the other end in the connecting direction. Furthermore, the connection container 100 of the present embodiment includes a liquid passage 40 that communicates the first preliminary chamber 20 with the bottoms of the plurality of storage units 11 and the second preliminary chamber 30, and the first preliminary chamber 20 and the plurality of storage units 11. And a gas passage 50 that communicates the second preliminary chamber 30 with each other.

  With this configuration, the connection container 100 of this embodiment can be filled with the liquid L from the liquid filling port 21 of the first preliminary chamber 20. The liquid L introduced into the first auxiliary chamber 20 from the liquid filling port 21 reaches the bottom surface 20b of the first auxiliary chamber 20, is stored in the first auxiliary chamber 20, and the liquid level of the liquid L in the first auxiliary chamber 20 is reached. Increase the position of LL.

  The liquid L introduced into the first preliminary chamber 20 is a liquid passage that communicates the bottom portion of the first preliminary chamber 20, the bottom portions of the storage portions 11 of the plurality of single containers 10, and the bottom portion of the second preliminary chamber 30. It flows through the connecting direction of the single container 10, that is, the width w <b> 1 direction of the single container 10 through 40. The liquid L that has flowed out from the bottom of the first preliminary chamber 20 through the liquid passage 40 in the connecting direction of the single container 10 passes through the bottom of the accommodating portion 11 of the plurality of single containers 10 through the liquid passage 40 and the second preliminary chamber. Flows into the bottom of 30.

  And the position of the liquid level LL of the liquid L in the 1st preliminary | backup chamber 20, the some accommodating part 11, and the 2nd preliminary | backup chamber 30 raises gradually, maintaining substantially equal height. Thereby, the gas such as air accommodated in the upper portions of the first preliminary chamber 20 and the plurality of accommodating portions 11 is transferred to the upper portion of the first preliminary chamber 20, the upper portions of the accommodating portions 11 of the plurality of single containers 10, and the first 2 Extruded to the upper part of the second preliminary chamber 30 via the gas passage 50 communicating with the upper part of the preliminary chamber 30 and discharged from the gas outlet 31.

  As described above, the connection container 100 of the present embodiment distributes the liquid L to the storage portions 11 of the plurality of single containers 10 after receiving the liquid L in the first preliminary chamber 20, thereby The container 11 can be filled with the liquid L under more uniform conditions. More specifically, in the storage portions 11 of all the single containers 10, the liquid L flows from one end of the bottom portion in the width w1 direction through the liquid passage 40, and from the other end of the bottom portion in the width w1 direction, The liquid L can be filled under the same conditions in which the liquid L flows out through 40.

  Moreover, the connection container 100 of this embodiment fills the accommodating part 11 of the several single container 10 by filling the liquid L via the liquid channel 40 which connects the bottom part of the accommodating part 11 of the several single container 10. The height of the liquid level LL of the liquid L to be made can be made substantially the same. Therefore, when the volume of the liquid L with which the some accommodating part 11 is filled is small by making the structure of the some single container 10 the same, and making the height of the bottom face 11b of the some accommodating part 11 substantially equal However, the volume of the liquid L can be distributed more uniformly.

  Therefore, according to the connection container 100 of this embodiment, the liquid L can be filled more uniformly into the accommodating part 11 of the several single container 10 than before. In addition, the connection container 100 of this embodiment is not limited to the example shown in FIG. 1, and can perform various deformation | transformation. Hereinafter, a specific modification of the connection container 100 of the present embodiment will be described.

(Modification 1)
FIG. 2 is a schematic longitudinal sectional view showing a connection container 100A according to Modification 1 of the connection container 100 shown in FIG.

  In the connection container 100A of the present modification, the bottom surface 40b of the liquid passage 40 and the bottom surfaces 11b of the plurality of storage portions 11 are provided flush with each other, and the top surface 50a of the gas passage 50 and the top surface 11a of the plurality of storage portions 11 are provided. Is provided on the same plane. Further, the positions of the liquid filling port 21 and the gas discharge port 31 are different from those of the connection container 100 shown in FIG.

  Here, the flush surface means that there is no step between the bottom surface 40b of the liquid passage 40 and the bottom surfaces 11b of the plurality of accommodating portions 11, and that they exist in substantially the same plane, and the gas passage 50. This means that there is no step between the top surface 50a and the top surfaces 11a of the plurality of accommodating portions 11, and these exist in substantially the same plane. The substantially same plane means that not only the completely same plane but also a level difference that does not cause a liquid pool or an air pool described later is allowed.

  In addition, the capacity of some of the accommodating portions 11 </ b> A among the plurality of accommodating portions 11 is different from the volume of the other accommodating portions 11. Further, the cross-sectional area of the gas passage 50 is smaller than the cross-sectional area of the liquid passage 40. Since the other points of the connection container 100A of the present modification are the same as those of the connection container 100 shown in FIG. 1, the same portions are denoted by the same reference numerals and description thereof is omitted.

  In the connection container 100 </ b> A of the present modified example, the bottom surface 40 b of the liquid passage 40 and the bottom surfaces 11 b of the plurality of storage portions 11 are provided flush with each other, so that the individual storage is performed when the plurality of storage portions 11 are filled with the liquid L. It is possible to prevent a liquid pool from occurring at the bottom of the portion 11. Thereby, it becomes possible to fill the plurality of accommodating portions 11 with fluid under more uniform conditions.

  Further, the top surface 50a of the gas passage 50 and the top surfaces 11a of the plurality of storage portions 11 are provided flush with each other, so that the liquid L is filled into the plurality of storage portions 11 at the top of each storage portion 11. It is possible to prevent the occurrence of air accumulation. Thereby, it becomes possible to increase the fluid with which the some accommodating part 11 is filled.

  Further, the impact that acts on the liquid L introduced into the first preliminary chamber 20 by the liquid filling port 21 being positioned below the planned position of the liquid level LL of the liquid L accommodated in the first preliminary chamber 20. Can be mitigated, and air can be prevented from entering the liquid L. Thereby, it becomes possible to fill the plurality of accommodating portions 11 with fluid under more uniform conditions.

  Further, the position of the gas discharge port 31 in the second preliminary chamber 30 is not particularly limited as long as it is a position above the planned position of the liquid level LL of the liquid L stored in the first preliminary chamber 20. For example, as shown in FIG. 2, by providing the gas outlet 31 and the gas passage 50 substantially in a straight line, the gas can be more easily discharged from the plurality of accommodating portions 11. Further, by making the cross-sectional area of the gas passage 50 smaller than the cross-sectional area of the liquid passage 40, it is possible to reduce an extra space formed inside the plurality of single containers 10.

  Moreover, even if it makes the volume of some accommodating parts 11A differ from the volume of the other accommodating part 11 among the some accommodating parts 11, the liquid level LL of the liquid L accommodated in the accommodating part 11A from which a volume differs. The height can be made uniform. Therefore, for example, when printing or the like is performed on a part corresponding to the gas storage part 13 of the plurality of single containers 10 and the part is used as the display part of the single container 10, the characters or the like on the display part depend on the color of the liquid L It is possible to prevent the recognition from becoming impossible.

(Modification 2)
FIG. 3 is a schematic longitudinal sectional view showing a connection container 100B according to a second modification of the connection container 100 shown in FIG.

  As shown in FIG. 3, in the connection container 100B, the gas passage 50 and the liquid passage 40 may be an upper portion and a lower portion of one passage. Further, if the liquid passage 40 is provided below the planned position of the liquid level LL of the liquid L stored in the storage unit 11, that is, in the liquid storage unit 12 of the storage unit 11, the position, size, number, The angle etc. with respect to the bottom face 11b of the accommodating part 11 are not specifically limited. However, it is preferable that all of the plurality of single containers 10 have the same configuration. The position, size, number, and angle of the liquid passage 40 with respect to the bottom surface 11b of the storage unit 11 ensure the strength required for the single container 10 according to the viscosity, flow rate, and other properties of the liquid L. And can be set as appropriate so that the liquid L can be uniformly filled into the plurality of accommodating portions 11.

(Modification 3)
FIG. 4 is a schematic longitudinal sectional view showing a connection container 100C according to Modification 3 of the connection container 100 shown in FIG.

  As shown in FIG. 4, in the connection container 100 </ b> C, the bottom surface 20 b of the first preliminary chamber 20 and the bottom surface 30 b of the second preliminary chamber 30 are provided above the liquid storage units 12 below the plurality of storage units 11. It may be. That is, the bottom surface 20 b of the first preliminary chamber 20 and the bottom surface 30 b of the second preliminary chamber 30 can be provided above the planned position of the liquid level LL of the liquid L stored in the plurality of storage units 11. Thereby, the liquid L can be more uniformly filled in the plurality of accommodating portions 11.

[Connection container: Embodiment 2]
FIG. 5 is a schematic plan sectional view of a connection container 100D according to Embodiment 2 of the present disclosure. 6A is a sectional view taken along line AA shown in FIG. 5, FIG. 6B is a sectional view taken along line BB shown in FIG. 5, and FIG. 6C is a sectional view taken along line C-B shown in FIG. It is sectional drawing which follows the -C line.

  In the connection container 100D of the present embodiment, the single container 10 has a flat shape in which the length l1 along the bottom surface 10b is longer than the width w1 along the bottom surface 10b and the thickness t1 perpendicular to the bottom surface 10b is smaller than the width w1. The plurality of single containers 10 are connected in the width w1 direction via the connecting portion 60. The liquid passage 40 communicates the bottom of the first preliminary chamber 20, the bottoms of the plurality of storage portions 11, and the bottom of the second preliminary chamber 30 at one end in the direction along the length 11 of the single container 10. doing. The gas passage 50 communicates the upper portion of the first preliminary chamber 20, the upper portions of the plurality of storage portions 11, and the upper portion of the second preliminary chamber 30 at the other end in the direction along the length 11 of the single container 10. doing.

  Here, the bottom part of the 1st preliminary | backup chamber 20, the some accommodating part 11, and the 2nd preliminary | backup chamber 30 means the part by the side of the bottom face 10b of the single container 10 rather than the center in thickness t1 direction. Moreover, the upper part of the 1st preliminary | backup chamber 20, the some accommodating part 11, and the 2nd preliminary | backup room 30 means the part by the side of the port part 14 rather than the center in thickness t1 direction. That is, when the connecting container 100D is arranged so that the thickness t1 direction is substantially parallel to the vertical direction, the first preliminary chamber 20, the plurality of storage portions 11, and the second preliminary chamber 30 are arranged in the thickness t1 direction. The part above the center is the upper part, and the part below the center in the thickness t1 direction is the bottom.

  Similar to the connection container 100 of the first embodiment, the connection container 100D of the present embodiment has a liquid filling port 21 and is connected to one end in the connection direction of the plurality of single containers 10, A second preliminary chamber 30 having a gas discharge port 31 and connected to the other end in the connecting direction of the plurality of single containers 10. Further, similarly to the connection container 100 of the first embodiment, the connection container 100 </ b> D of the present embodiment has a liquid passage 40 that allows the first preliminary chamber 20, the bottoms of the plurality of storage portions 11, and the second preliminary chamber 30 to communicate with each other. And a gas passage 50 that communicates the first preliminary chamber 20, the upper portions of the plurality of accommodating portions 11, and the second preliminary chamber 30.

  Therefore, according to the connection container 100D of the present embodiment, the liquid L can be filled more uniformly into the storage portions 11 of the plurality of single containers 10 than in the conventional case, as with the connection container 100 of the first embodiment. Furthermore, the connection container 100 of this embodiment can be filled with the liquid L to the some accommodating part 11 in the state by which the some flat single container 10 was laid flat.

[Filled connection container: Embodiment 3]
FIG. 7 is a schematic longitudinal cross-sectional view of a filled connection container 100E according to the third embodiment.

  The filled connection container 100E of the present embodiment closes the liquid passage 40 and the gas passage 50 after filling the liquid L into the accommodating portions 11 of the plurality of single containers 10 of the connection container 100 according to the first embodiment shown in FIG. The closed portion 70 is provided, and the first preliminary chamber 20 and the second preliminary chamber 30 are removed.

  That is, the filled connection container 100E of the present embodiment is a filled connection container 100E in which a plurality of single containers 10 each having the storage portion 11 in which the liquid L is stored are connected. The filled connection container 100 </ b> E of the present embodiment has connection parts 60 provided on both sides in the connection direction of each single container 10. The connecting portion 60 is provided with a closing portion 70. The closing part 70 extended from the bottom of each storage part 11 to the connection part 60 on both sides in the connection direction, and extended from the upper part of each storage part 11 to the connection part 60 on both sides in the connection direction. The gas passages 50 are respectively closed.

  Therefore, according to the filled connection container 100E of the present embodiment, the liquid L is filled at a uniform liquid level LL height under uniform conditions in the accommodating portions 11 of the plurality of single containers 10, and all the single containers are filled. It is possible to provide a filled connection container 100E in which 10 has the same configuration.

[Manufacturing method of filled connection container]
Finally, as an embodiment of the method for manufacturing a filled connection container according to the present disclosure, an example of a method for manufacturing the filled connection container 100E according to Embodiment 3 illustrated in FIG. 7 will be described. FIG. 8 is a flowchart showing each step of the manufacturing method of the filled connection container 100E of the present embodiment.

  The manufacturing method of the filled connection container 100E of the present embodiment is a method of manufacturing the filled connection container 100E in which a plurality of single containers 10 each having the storage portion 11 in which the liquid L is stored is connected. It has process S1, filling process S2, welding process S3, and separation process S4.

(Container forming process)
In the container forming step S1, first, the connection container 100 according to the first embodiment shown in FIG. 1 is formed by injection molding such as blow molding. That is, in the container forming step S <b> 1, the plurality of single containers 10 connected via the connecting portion 60 and the liquid filling port 21 are connected to one end in the connecting direction of the plurality of single containers 10 via the connecting portion 60. The first preliminary chamber 20 and the second preliminary chamber 30 having the gas discharge port 31 and connected to the other end in the connecting direction of the plurality of single containers 10 via the connecting portion 60 are formed. At the same time, in the container forming step S1, a liquid passage 40 provided in the connecting portion 60 and communicating with the first auxiliary chamber 20, the bottoms of the plurality of accommodating portions 11, and the second auxiliary chamber 30 is provided in the connecting portion 60. A gas passage 50 is formed that communicates the first spare chamber 20 with the upper portions of the plurality of accommodating portions 11 and the second spare chamber 30.

(Filling process)
In the filling step S2, the plurality of accommodating portions 11 are filled with the liquid L via the liquid filling port 21 and the liquid passage 40 of the connection container 100 shown in FIG. The gas is discharged through the gas passage 50 and the gas discharge port 31. Thereby, as explained in connection container 100 of above-mentioned Embodiment 1, liquid L can be filled into container 11 of a plurality of single containers 10 more uniformly than before.

(Welding process)
In the welding step S3, for example, the connecting portion 60 made of a thermoplastic resin is heated to form a closing portion 70 that closes the liquid passage 40 and the gas passage 50, and the individual accommodating portions 11 are sealed. The heating of the connecting part 60 may heat portions corresponding to the liquid passage 40 and the gas passage 50 in a spot shape, or collectively heat a band-like region including portions corresponding to the liquid passage 40 and the gas passage 50. May be. As a result, a part of the connecting part 60 can be melted and solidified to form the closing part 70 that closes the liquid passage 40 and the gas passage 50.

(Separation process)
In the separation step S4, the first and second preliminary chambers 20 and 30 of the connection container 100 shown in FIG. 1 are cut and removed, whereby the filled connection container 100E shown in FIG. 7 can be obtained. More specifically, the connecting portion 60 between the first preliminary chamber 20 and the single container 10 and the connecting portion 60 between the second preliminary chamber 30 and the single container 10 are connected to the length l1 of the single container 10. Cut along the direction. The cutting method of the connection part 60 is not specifically limited, Fusing, cutting with a laser, cutting with a cutter, etc. can be used.

  As described above, according to the manufacturing method of the filled connected container 100E of the present embodiment, the liquid L is filled with the uniform liquid surface LL height under the uniform condition in the accommodating portions 11 of the plurality of single containers 10. And the filled connection container 100E in which all the single containers 10 have the same structure can be manufactured.

  As described above, the embodiment of the present disclosure has been described in detail with reference to the drawings. However, the specific configuration is not limited to the embodiment, and there are design changes and the like within a scope not departing from the gist of the present disclosure. They are also included in this disclosure.

DESCRIPTION OF SYMBOLS 10 Single container 10b Bottom surface 11 Accommodating part 11a Top surface 11b Bottom surface 12 Liquid accommodating part 20 First preliminary chamber 20b Bottom surface 21 Liquid filling port 30 Second preliminary chamber 30b Bottom surface 31 Gas discharge port 40 Liquid passage 40b Bottom surface 50 Gas passage 50a Top surface 60 connection part 70 closure part 100 connection container 100A connection container 100B connection container 100C connection container 100D connection container 100E filled connection container L liquid l1 length S1 container formation process S2 filling process S3 welding process S4 separation process t1 thickness w1 width

Claims (7)

A connected container in which a plurality of single containers each having a storage part for storing a liquid are connected,
A first preliminary chamber having a liquid filling port and connected to one end in the connecting direction of the plurality of single containers;
A second preliminary chamber having a gas discharge port and connected to the other end in the connecting direction of the plurality of single containers;
A liquid passage that communicates the first preliminary chamber, the bottoms of the plurality of storage portions, and the second preliminary chamber;
A connecting container comprising: the first preliminary chamber, a gas passage for communicating the upper portions of the plurality of storage portions and the second preliminary chamber.   The connection container according to claim 1, wherein a bottom surface of the liquid passage and a bottom surface of the plurality of storage portions are provided flush with each other.   The connection container according to claim 1 or 2, wherein a top surface of the gas passage and a top surface of the plurality of storage portions are provided flush with each other.   The bottom surface of the first preliminary chamber and the bottom surface of the second preliminary chamber are provided on the upper side of the liquid storage portion below the plurality of storage portions. Connection container. The single container has a flat shape whose length along the bottom surface is longer than the width along the bottom surface, and whose thickness perpendicular to the bottom surface is smaller than the width,
The connection container according to any one of claims 1 to 3, wherein the plurality of single containers are connected in the width direction via connection parts. The liquid passage and the gas passage are provided in the connecting portion,
The connection container according to claim 5, wherein a material of the connection portion is a thermoplastic resin. A method for producing a filled connected container in which a plurality of single containers having a storage part in which a liquid is stored is connected,
A plurality of single containers connected via a connecting portion; a first preliminary chamber having a liquid filling port and connected to one end in a connecting direction of the plurality of single containers via a connecting portion; and a gas discharge port. A second auxiliary chamber connected to the other end in the connecting direction of the plurality of single containers via a connecting portion; the first auxiliary chamber provided in the connecting portion; and the bottoms of the plurality of accommodating portions; Forming a container that forms a liquid passage that communicates with the second spare chamber, and a gas passage that is provided in the connecting portion and communicates with the first spare chamber, the upper portions of the plurality of storage portions, and the second spare chamber Process,
A filling step of filling the plurality of accommodating portions with liquid via the liquid filling port and the liquid passage and discharging gas from the plurality of accommodating portions via the gas passage and the gas outlet;
A welding step of heating the connecting portion to form a closing portion for closing the liquid passage and the gas passage, and sealing each of the accommodating portions;
And a separation step of cutting and removing the first preliminary chamber and the second preliminary chamber.

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