JP2024042194A - Spouts and containers with spouts - Google Patents

Abstract

To provide a spout that allows easy and reliable opening of a container without depending on the method of use by a user, and a container using the spout. [Solution] The device includes a fixed part 21 and an attachment part 22. The fixed part 21 has a main body 24 provided with a through hole 23 penetrating between the inside and outside of the container 10, a sealing part 25 that closes the through hole 23 on the inside of the front container 10, and a puncture part 26 that is arranged in the through hole 23 so as to be able to puncture the sealing part 25 and is held on the main body 24 via a fragile part 43. The attachment part 22 has a first locking part 31 that can be engaged with the puncture part 26 and a second locking part 32 that can be engaged with the main body 24. By locking the first locking part 31, the attachment part 22 is integrated with the puncture part 26, and in the process of locking the second locking part 32, the puncture part 26 integrated with the attachment part 22 is advanced to break the fragile part 43 and puncture the sealing part 25 with the tip of the puncture part 26. [Selected Figure] Figure 2

Description

Technical field to which the invention belongs

The present invention relates to a spout and a container with a spout.

Conventionally, various types of spouts have been attached to containers that house fluid contents. Many spouts are known in which a passage through which the contents are discharged is closed inside the container by a sealing part or the like, and the sealing part inside the container is opened during use.
For containers that are used by connecting an external tube or syringe to the spout to connect to the gastric fistula, attach a separate member such as a connector to the spout to seal the seal. There is something to open. In the case of a container that is directly connected to the gastric fistula via an external tube, separate components such as a connector meet the requirements as a general medical device.

For example, in Patent Document 1 listed below, a cylindrical part and a piercing part are provided at one end to be inserted into the container by breaking through a film that seals the port part, and other instruments such as a syringe or a tube are connected to the other end. A connector provided with a connecting portion has been proposed. In this connector, by piercing and rotating the piercing part, the film sealing the port part is cut to form an opening, and the cylindrical part is inserted into the opening, allowing the contents inside the container to be discharged from the tube. can.
Such a connector of Patent Document 1 is used by being attached to a spout when discharging contents in a container, but it is a separate member from the spout and can be removed after use and used repeatedly for other containers. Something happened. With repeated use, the shape of the tip of the puncture part deteriorates, which can cause deformation and elongation of the sealing part when puncturing the puncture part, making it difficult to puncture and reducing the ease of opening the seal. there were.

Furthermore, Patent Document 2 below proposes a medical port in which a thin film that blocks outflow from a through hole is adhered to a port main body, and the thin film is pierced by a communicating member connected via a bridge. ing. In this medical port, when connecting a liquid delivery tube, a female connector attached to the end of the tube is used to connect the fluid tube, and by pushing the communicating member through the female connector, a thin film is formed at the tip of the communicating member. Can be opened by puncturing. In Patent Document 2 as well, in order to connect the external tube to the spout, it was necessary to unseal the sealed portion using a female connector, which is a separate member.

Patent No. 6527631 Patent No. 5920339

However, the spout described in Patent Document 1 requires the use of a connector, which is a separate member, in order to unseal the spout and connect an external tube, and the user has to use the connector repeatedly. The sealed portion was sometimes difficult to open. Therefore, there is a problem in that the ease of opening the spout depends on the way the user uses it, such as the ease of opening the spout being reduced depending on the way the user uses it.

Furthermore, even with the spout described in Patent Document 2, in order to connect and unseal the external tube, a female connector, which is a separate member, must be used, and the user must use the female connector to connect the tube when connecting the tube. The membrane had to be punctured by direct pressure on the member. Therefore, it is difficult for the user to stabilize the position and direction in which the piercing portion of the connecting member is pushed by the female connector, and there is also the problem that the ease of opening the spout depends on how the user uses it.

Therefore, the objective of the present invention is to provide a spout that can be easily and reliably opened, and a container using the spout, so that the openability of the container does not depend on the user's method of use.

The spout of the present invention that solves the above problems includes a fixed part that is fixed to a container, and a mounting part that can be attached to the fixed part, and the fixed part is provided with a through hole that penetrates between the inside and outside of the container. It has a main body part, a sealing part that closes the through hole inside the container, and a puncturing part that is arranged in the through hole so as to be able to puncture the sealing part and is held by the main body part via a fragile part, The attachment part has a first locking part that can be locked to the puncture part and a second locking part that can be locked to the main body, and by locking the first locking part, the attachment part is In the process of integrating with the puncture part and further locking the second locking part, the puncture part integrated with the attachment part is advanced to break the fragile part and puncture the sealing part with the tip of the puncture part. It is characterized by being configured.

In the spout of the present invention, the puncture part is held through the weakened part with the tip of the puncture part placed at a position corresponding to the puncture position preset in the sealing part, and the spout is advanced by breaking the weakened part. It is preferable that the tip of the puncture part be able to puncture the sealing part at the puncture position.

In the spout of the present invention, it is preferable that the second locking part is configured to be screwed into the main body part so as to rotate and advance the tip blade part of the puncturing part to puncture the sealing part. .
In that case, the first locking part can be screwed together with the puncture part by rotating coaxially and in the same direction as the second locking part, and the first locking part screwed into the puncture part completes the screwing. Preferably, the second locking part is configured to start threading into the main body part before the second locking part starts to engage with the main body part.

The spout of the present invention may include a first detachment prevention part that irremovably engages the attachment part and the puncture part by completing the engagement of the first engagement part.
Further, a second detachment preventing portion may be provided that irremovably engages the attachment part and the main body portion by completing the locking of the second locking portion.
Further, the attachment part may include a connection mechanism connectable to an end connection provided on an external tube or the like.

In the spout of the present invention, the opening periphery of the through-hole inside the container has a concave shape recessed in the axial direction of the through-hole, the sealing part is made of a sheet material joined to the opening periphery, and the puncture part rotates. It is preferable that the needle be cut by the tip blade of the puncture part.

A container with a spout according to the present invention that solves the above problems is characterized by being equipped with the spout as described above.

According to the spout and the container with a spout of the present invention, the through hole of the fixed part is closed by the sealing part, and the puncture part that can puncture the sealing part is held in the through hole via the weakened part. , the attachment part has a first locking part that can be locked to the puncture section, and a second locking part that can be locked to the main body of the fixed part. Therefore, when attaching the mounting part to the fixed part, the puncture part held in a predetermined position in the through hole by the fragile part can be integrated with the mounting part by the first locking part, and the second locking part is locked. The puncture part is moved forward together with the attachment parts to break the fragile part and allow the puncture part to puncture the sealing part.

Thereby, when puncturing the sealing part, it is possible to press the puncture part against the sealing part while keeping the posture and position of the puncture part stable. Moreover, since the puncture part is advanced by locking the attachment part to the main body of the fixed part, the puncture part can be pressed against the sealing part in a preset position and orientation, and the puncture part can be applied with sufficient force. The spout can be opened by puncturing the seal with the . Even a sealing part that has high sealing properties and is difficult to puncture can be punctured, and the spout can be reliably opened.

Furthermore, when attaching the mounting part to the fixed part, it is only necessary to engage the first engaging portion and the second engaging portion, and the user can easily open the spout without performing any special opening operation.
As a result, according to the present invention, it is possible to provide a spout that allows the container to be easily and reliably opened, without the openability of the container depending on the method of use by the user.

In the spout and container with a spout of the present invention, the puncture part is held through the fragile part with the tip of the puncture part placed at a position corresponding to the puncture position preset in the sealing part, and the fragile part is ruptured. If the tip of the puncture section that has moved forward can puncture the sealing portion at the puncture position, the tip of the puncture section can puncture the sealing section at the most easily punctured position. Therefore, the sealing portion can be reliably opened by the puncture portion, and the reliability of operation can be improved.

In the spout and spout-equipped container of the present invention, if the second locking part is screwed into the main body and the tip blade part of the puncturing part can be moved forward while rotating to puncture the sealing part, the attachment part By screwing the second locking part into the main body part, the tip blade part of the puncturing part can be moved forward while being rotated at a predetermined position.
Therefore, the posture and position of the puncturing part can be kept more stable while advancing, and the sealing part can be cut into a predetermined arc shape by the tip blade of the puncturing part to facilitate puncturing. Moreover, since the axial movement distance of the tip blade of the puncture part is kept small and the circumferential movement distance can be secured long, the sealing part is pulled and sheared by the tip blade of the puncture part in contact with the sealing part. The spout can be reliably cut by tearing or the like, and the spout can be opened easily and reliably.

Further, the first locking part can be screwed together with the puncture part by rotating coaxially and in the same direction as the second locking part, and the first locking part screwed into the puncture part completes the screwing. If the second locking part is configured to start screwing into the main body part before, when the attachment part is attached to the fixed part, the puncture part will start rotating and moving forward together with the attachment part, and the weak part will be damaged. The second locking portion can be screwed onto the main body portion before breaking. Therefore, when the fragile part is broken by the attachment part, the attachment part integrated with the puncture part can be stably supported by the main body part, and the tip of the puncture part can be stably rotated and advanced. Therefore, the sealed portion can be opened more stably.

In the spout and spout-equipped container of the present invention, if the first detachment prevention part is provided to irremovably fit the attachment part and the puncture part by completing the locking of the first locking part, the attachment part and the puncture part can be connected together. The attachment part can be reliably integrated with the puncture part, and the attachment part will not come off from the puncture part in this state. Therefore, during operation or use, there is no possibility of the attachment part coming off or leaking between the attachment part and the puncture part.
In addition, if a second detachment prevention part is provided that irremovably engages the mounting part and the main body by completing the locking of the second locking part, the sealing part is punctured by the tip blade of the puncture part. After the spout is opened, the mounting part and the main body of the fixed part are irremovably joined, so that the fixed part and the mounting part cannot be separated from each other.
Therefore, the mounting parts do not come off from the fixed parts, and misuse or reuse can be prevented. It is possible to reliably prevent repeated use in other containers.

In the spout and spout-equipped container of the present invention, if the attachment part has a connection mechanism that can be connected to the end connection part provided on the external tube, etc., the operation of connecting the external tube to the spout and the puncture part can be performed. The operation of puncturing the sealing part with the puncturing part can be performed separately by integrating it into the attachment part, and the user can arbitrarily select each operation depending on the usage situation, making it easy to use.

In the spout and the container with a spout of the present invention, the opening periphery of the through-hole inside the container has a concave shape recessed in the axial direction of the through-hole, the sealing part is made of a sheet material joined to the opening periphery, and the puncture part If the tip of the puncture part is cut by the rotation of the puncture part, the sealing part made of a sheet material arranged near the opening periphery of the through hole has a concave shape, so that the tip of the puncture part When the blade portion is rotated and brought into pressure contact, the sheet material is difficult to stretch, and the sealing portion near the opening periphery can be reliably cut by the tip blade portion.

Moreover, since the puncture part is placed at a predetermined position in the through hole by the fragile part, the tip blade part of the puncture part should be placed in advance at a position where it can be easily cut against the sealing part made of a concave sheet material. It is possible to reliably cut by rotating the tip blade of the puncture part. Therefore, even if the sealing part is made of a sheet material that has high sealing properties and is difficult to puncture, it can be punctured more reliably and the spout can be opened.

FIG. 2 is a perspective view of a spout according to an embodiment of the present invention. FIG. 2 is a longitudinal cross-sectional view of a spout according to an embodiment of the present invention. FIG. 2 is a perspective view of a fixed part of a spout according to an embodiment of the present invention. FIG. 2 is a vertical cross-sectional view of a fixed part of a spout according to an embodiment of the present invention. It is a perspective view showing the tip of the puncture part of the spout concerning an embodiment of the present invention. FIG. 3 is a longitudinal cross-sectional view showing the tip of the puncture portion of the spout according to the embodiment of the present invention. FIG. 3 is a plan view showing a fragile portion of the spout according to the embodiment of the present invention, and is a view of the fixed part viewed from inside the container with the sealing portion excluded. FIG. 2 is a perspective view of a mounting part of a spout according to an embodiment of the present invention. 1A and 1B show attachment parts for a spout according to an embodiment of the present invention, in which (a) is a longitudinal cross-sectional view and (b) is a partially enlarged vertical cross-sectional view. FIG. 2 is a side view of the spouted container according to the embodiment of the present invention, showing the state before use. The state of the spout according to the embodiment of the present invention before opening is shown, with (a) being a side view and (b) being a longitudinal cross-sectional view. It is a figure explaining the operation|movement which punctures the sealing part of the spout based on embodiment of this invention with a puncture part. The state after opening of the spout concerning embodiment of this invention is shown, (a) is a side view, (b) is a longitudinal cross-sectional view. 1 is a side view of a spouted container according to an embodiment of the present invention, showing a state in use.

Hereinafter, embodiments of the present invention will be described in detail using the drawings.
For example, as shown in FIG. 10, the spouted container 10 has a spout 20 fixed to a container body 11, and the container is sealed with an object contained therein. This spout 20 has a structure that allows the external tube 13 to be connected to the spout 20 to discharge the contents when in use. The contained material has fluidity.
The spouted container 10 of this embodiment is an example of a container that contains a semi-solid nutrient and is directly connected to the gastric fistula via an external tube. The container can be used by connecting an external tube to the spout 20 and discharging the contents.

The container body 11 has a housing section 15 formed by a container wall 17 made of resin, and the housing section 15 is formed by, for example, sealing a resin sheet around the periphery. The container wall 17 is made of a material that can reduce as much as possible the permeation of components that cause the deterioration of the contents, and the container wall 17 of this embodiment is laminated with an aluminum layer or the like to reduce oxygen permeability.

As shown in FIGS. 1 and 2, the spout 20 includes a fixed part 21 fixed to the container body 11 and a mounting part 22 that can be attached to the fixed part 21.
As shown in FIGS. 3 and 4, the fixed part 21 includes a main body portion 24 provided with a through hole 23, a sealing portion 25 that closes the through hole 23, and a sealing portion disposed inside the through hole 23. 25 and a puncture section 26 that can be opened.
The through hole 23 is formed in the center of the main body portion 24 with a substantially constant circular cross section so as to penetrate between the inside and outside of the container 10 .

The main body 24 comprises a boat shape 27 fixed to the container body 11, and a protruding portion 28 provided so as to protrude from the boat shape 27 to the outside of the container, and a through hole 23 is formed through the boat shape 27 and the protruding portion 28. The main body 24 is integrally molded from a resin molded body that can be welded to the resin of the container wall 17.
The boat shape 27 is a portion that is disposed between the opposing container walls 17 of the container body 11 and fixed liquid-tightly. The inner end surface 27a disposed on the inside of the container has a plurality of surfaces that are inclined in opposite directions on both sides of a bent portion, and has a generally V-shaped concave shape that is concave in the axial direction of the through hole 23 in a side view.
Since the through hole 23 opens at the intersection of multiple faces of the inner end face 27a, the opening periphery 23a of the through hole 23 on the inside of the container has an approximately L-shaped concave shape recessed in the axial direction of the through hole 23, similar to the inner end face 27a.

The protruding portion 28 is provided so as to protrude from the outer end surface 27b of the boat shape 27 toward the outside of the container in a substantially cylindrical shape. The protruding portion 28 includes a second locked portion 42 to which a second locking portion 32 of the mounting part 22 (to be described later) is locked, and a stopper 33 against which the end of the locked mounting part 22 comes into contact. have The second locked portion 42 is formed to be able to be screwed into the second locking portion 32 of the attachment part 22 .
A plurality of arc-shaped second inclined recesses 34b are provided around the axis on the outer peripheral edge of the stopper 33, which is the abutting position with the end of the attachment part 22. Each second inclined recess 34b is formed such that the amount of depression gradually increases along one circumferential direction that is the screwing direction, and a plurality of second inclined protrusions 35b are provided at the end of the mounting part 22, which will be described later. can be fitted.

The sealing portion 25 closes the through hole 23 of the main body portion 24 on the inside of the container, and is made of a sheet material that covers almost the entire inner end surface 27a of the main body portion 24, and is continuously and airtightly joined to the entire circumference of the opening periphery 23a of the through hole 23 by welding or the like. The sheet material used for the sealing portion 25 is one that can reduce the permeation of components that cause deterioration of the contents as much as possible and can be welded to the main body portion 24. In this embodiment, a sheet material in which a resin layer made of the same resin as the main body portion 24 and an aluminum layer with low oxygen permeability are laminated is used, and preferably a double sealant film in which a resin layer is laminated on both sides of the aluminum layer is used.
Since the inner end surface 27a of the main body 24 and the opening periphery 23a of the through-hole 23 have a generally V-shaped concave shape, the sheet material of the sealing portion 25 is bent generally V-shaped in correspondence with this shape and joined to the inner end surface 27a and the opening periphery 23a of the through-hole 23. In this embodiment, the apex of the sealing portion 25 bent generally V-shaped is set as the puncture position 25a to be punctured when the puncture portion 26 opens the package.

A puncture section 26 capable of puncturing the sealing section 25 is disposed within the through hole 23 of the main body section 24 , and the puncture section 26 is further held by the main body section 24 via a weakened section 43 .
The puncture portion 26 has a substantially cylindrical shape, and its outer peripheral surface is disposed in close or sliding contact with the inner peripheral surface of the through hole 23 over the entire circumference. Further, the puncture section 26 is formed longer than the through hole 23, and its rear end side is arranged so as to protrude rearward from the protrusion section 28 of the main body section 24. A first locked part 41 is provided on the rear end side, to which a first locking part 31 of the mounting part 22, which will be described later, is locked. A plurality of arc-shaped first inclined protrusions 35a whose protrusion amount gradually increases along the arc are provided. The first locked portion 41 is formed to be able to be screwed into the first locking portion 31 of the attachment part 22 .

As shown in FIGS. 5 and 6, the tip of the puncture section 26 is provided with a tip blade section 44 that projects forward. The tip blade part 44 is capable of puncturing the sealing part 25, and is provided with a puncturing part 44a at the top, and a cutting blade 44b capable of cutting the puncturing part 26 by rotating the puncturing part 26 around its axis. It is provided. The cutting blade 44b is provided in a direction in which the second locking portion 32 of the attachment part 22 is screwed into the second locking portion 42 of the fixed part 21.
It is preferable that the tip blade portion 44 of the puncture portion 26 be provided as close to the inner circumferential surface of the through hole 26 as possible, and as the puncture portion 26 rotates within the through hole 26, the tip blade portion 44 The sealing portion 25 is provided so as to be cuttable along the opening periphery 23a near the opening periphery 23a of the through hole 23 inside the container.

The fragile portion 43 is a portion that holds the puncture portion 26 to the main body portion 24 in a breakable manner. In this embodiment, as shown in FIGS. 4 and 7, at an intermediate position in the longitudinal direction of the puncture section 26, a part of the outer periphery, specifically, a pair of diametrically opposed parts and the inner surface of the through hole 23 However, they are connected by resin to such an extent that they can be easily broken by the force when operating the attachment part 22 as described later.
In this embodiment, the puncture portion 26 and the fragile portion 43 are integrally molded from the same resin as the main body portion 24, and are molded from, for example, PP or PE.
Furthermore, since the puncturing part 26 is integrally connected to the main body part 24 by the fragile part 43, the tip blade part 44 of the puncturing part 26 is positioned at a position corresponding to the preset puncturing position 25a of the sealing part 25. It is located. Specifically, the tip blade portion 44 of the puncture portion 26 is bent into a substantially U-shape at the top of the sealing portion 25 arranged in a concave shape immediately after the fragile portion 43 breaks as described later. The puncturing portion 26 is held in a position where it can be punctured at a puncturing position 25a set near the opening periphery 23a of the through hole 23.

As shown in FIGS. 2, 8, and 9(a) and 9(b), the mounting part 22 includes a mounting portion main body 37 and a flat operating portion 45 connected to the side periphery of the mounting portion main body 37. We are prepared.
The attachment part main body 37 is formed in a generally cylindrical shape, and is provided with an attachment part 30 to the main body part 24 of the fixed part 21 and a connection part 40 to the puncture part 26 of the fixed part 21 at one end in the axial direction. , a connection mechanism 38 with the external tube 13 is provided on the other end side.
The connecting part 40 connects and supports the first locking part 31 that can be locked to a first locked part 41 provided at the rear end of the puncture part 26 and the rear end of the puncture part 26 . It has an end support part 39.

The first locking portion 31 is formed so as to be able to screw into the first locked portion 41 of the puncture portion 26. The rear end support portion 39 is configured to support the puncture portion 26 by axially abutting against the rear end of the puncture portion 26 when the first locking portion 31 has completed screwing into the first locked portion 41, thereby integrating the mounting part 22 with the puncture portion 26. The first locking portion 31 integrates the mounting part 22 with the puncture portion 26, so that the puncture portion 26 can move together with the mounting part 22 when the mounting part 22 is operated by the operation portion 45.

The rear end support part 39 includes an annular protrusion 46 that is inserted into and connected to the opening at the rear end of the puncture part 26, and a plurality of first inclined recesses 34a provided in the circumferential direction on the outer peripheral surface of the annular protrusion 46. has. Each first inclined recess 34a is formed so that the amount of depression gradually increases along one circumferential direction that is the screwing direction, and is fitted with a first inclined protrusion 35a provided on the rear end edge of the puncture section 26. It is possible.
The plurality of first inclined recesses 34a and the plurality of first inclined protrusions 35a on the rear end edge of the puncturing part 26 are such that the first locking part 31 of the mounting part 22 is completely attached to the first locked part 41 of the puncturing part 26. When screwed together, the first detachment preventing portion 36a is configured such that the attachment parts 22 and the puncture portion 26 are fitted together irreleasably as they rotate, thereby preventing detachment of the attachment part 22 and the puncture portion 26.

A second locking portion 32 that can lock with a second locked portion 42 provided on the protruding portion 28 of the main body portion 24 of the fixed part 21 is provided at the end of the mounting portion 30 on the fixed part 21 side. ing.
The second locking portion 32 is formed to have a larger diameter than the first locking portion 31 and has a shape that can be screwed into the second locked portion 42 of the protrusion 28 of the fixed part 21 . Further, the first locking portion 31 and the second locking portion 32 are formed coaxially and with the same lead, and can be screwed together in the same rotation direction.
In the present embodiment, the relative positions of the first locking part 31 and the second locking part 32 are set within a predetermined range, and the first locking part 31 is connected to the first locked part 41 of the puncture part 26. The second locking portion 32 is configured to start being screwed into the main body portion 24 before the second locking portion 32 starts and completes screwing into the main body portion 24 .

A plurality of arc-shaped second inclined protrusions 35b are provided around the axis on the edge of the attachment part main body 37 on the fixed part 21 side where the first locking part 31 and the second locking part 32 are provided. Each of the second inclined protrusions 35b is formed so that the amount of protrusion gradually increases along one circumferential direction that is the screwing direction. The plurality of second inclined protrusions 35b lock the fixed part 21 when the second locking part 32 of the mounting part 22 is completely screwed into the second locked part 42 provided on the protruding part 28 of the fixed part 21. A second detachment prevention portion 36b is provided that is irremovably fitted into the plurality of second inclined recesses 34b provided in the stopper 33 as it rotates to prevent detachment of the main body portion 24 of the fixed part 21 and the attachment part 22. Configure.

The connection mechanism 38 at the rear end of the attachment main body 37 is formed to be connectable to the end connection part 13a provided on the external tube 13. In this embodiment, the connection mechanism 38 of the attachment body 37 and the end connection portion 13a of the external tube 13 are configured as small-diameter connectors in accordance with ISO80369-3, and the connection mechanism 38 of the attachment body 37 is a female type connector. The configuration is such that a male connector consisting of an end connecting portion 13a of the external tube 13 is connected to the connector.

To use the spouted container 10 of this embodiment as described above, first, as shown in Fig. 10, the mounting part 22 is attached to the container 10 in which the fixed part 21 is fixed to the container body 11 and the container part 15 is sealed with an object contained therein. At this time, the sealing part 25 of the spout 20 is maintained in a sealed state.
The mounting part 22 may be attached to the fixed part 21 in advance in a prepared state, and the product may be distributed in this state.

To attach the mounting part 22 to the fixed part 21, as shown in Figures 11 (a) and (b), the first engaging portion 31 of the mounting part 22 is screwed into the first engaged portion 41 of the puncture portion 26. By completely screwing them together and completing the screwing, the mounting part 22 and the puncture portion 26 are connected to each other by the first separation prevention portion 36a so that they cannot be separated. Specifically, the first inclined protrusions 35a provided in multiple positions in the circumferential direction at the end of the puncture portion 26 are fitted into the first inclined recesses 34a provided in the rear end support portion 39 of the mounting part 22. At this time, the fragile portion 43 is not broken and is maintained in a state in which the puncture portion 26 is held by the main body portion 24.
As a result, the mounting part 22 is integrated with the puncture part 26 to be in a ready state. At this time, the flat operating part 45 may be aligned with the flat shape of the container body 11.

In this state, by gripping the operation part 45 and rotating the mounting part 22 relative to the fixed part 21, the second locking part 32 of the mounting part 22 is fixed to the second locked part 42 of the fixed part 21. Screw together perfectly.
Note that when the attachment part 22 is attached to the fixed part 21 in advance to prepare it, the first locking part 31 of the attachment part 22 is completely screwed into the first locking part 41 of the puncture part 26, and It is also possible to screw the second locking portion 32 of the attachment part 22 into the second locking portion 42 of the fixed part 21 in an incomplete state.

In order for the user to discharge the contents in the container from this state, the user starts rotating the attachment part 22. Then, in the process of further screwing and locking the second locking part 32 of the mounting part 22 to the second locked part 42, the puncture part 26 integrated with the mounting part 22 rotates and moves forward together with the mounting part 22. Displaced in the direction. As a result, a shearing force is applied to the weakened portion 43 that holds the puncture portion 26 to the main body portion 24, and the weakened portion 43 is broken.

Thereafter, when the user further rotates the mounting part 22 , the puncture portion 26 advances further while rotating together with the mounting part 22 in the process of further screwing and engaging the second engaging portion 32 with the second engaged portion 42 .
Then, as shown in Figure 12, the tip blade portion 44 of the puncture portion 26 rotates and advances axially, causing the piercing portion 44a to pierce the sealing portion 25 at a piercing position 25a near the opening periphery 23a of the through hole 23, and the cutting blade 44b can be moved in the rotational direction to cut the sealing portion 25 along the opening periphery 23a.
At this time, the tip blade portion 44, which has a piercing portion 44a and a cutting blade 44b, etc., rotates and advances in the axial direction of the puncture portion 26, so that the tip blade portion 44 abuts against the sealing portion 25 and catches on the film of the sealing portion 25, and then the tip blade portion 44 moves further in the circumferential direction, thereby pulling, shearing or tearing the film, and the sealing portion 25 can be reliably cut into an arc shape.

Then, as shown in FIGS. 13(a) and 13(b), the operation part 45 of the mounting part 22 is sufficiently rotated with respect to the fixed part 21, and the mounting part 22 is completely screwed into the fixed part 21. When it reaches this point, the puncture part 26 protrudes from the through hole 23 to the inside of the container, and the tip of the puncture part 26 can be fully opened inside the container, thereby allowing the sealing part 25 to be unsealed.
At this time, the entire circumference of the sealing part 25 may be cut along the opening periphery of the through hole 23 by rotating the puncture part 26 one or more times, but preferably more than half a circumference and less than one circumference, more preferably less than one circumference. The sealing portion 25 is cut by rotating it by 270 degrees or more and less than 360 degrees.
If the angle of rotation and cutting is small, the sealing portion 25 may not be opened sufficiently, and the fluidity when discharging the contained material may be reduced. On the other hand, if the cut piece is rotated more than 360 degrees and cut, the cut piece may separate from the sealing part 25 and mix into the contents, making it difficult to use when discharging the contents.
In addition, in the second detachment prevention part 36b, the second inclined recess 34b provided on the stopper 33 of the fixed part 21 and the second inclined protrusion 35b provided on the mounting part main body 37 of the mounting part 22 fit together with rotation. be done. As a result, in the unsealed state in which the tip of the puncture part 26 punctures the sealing part 25, the main body part 24 and the attachment part 22 are prevented from rotating in the opposite direction and are integrated, thereby maintaining the unsealed state.

As a result, as shown in FIG. 14, the contents contained in the container body 11 are discharged from the external tube 13 whose end connecting portion 13a is connected to the connection mechanism 38 of the attachment body 37 of the attachment part 22. Can be done.
Note that the external tube 13 may be connected to the connection mechanism 38 of the attachment part 22 before discharging the contents, for example, before the sealing part 25 is opened, and before the attachment part 22 is attached to the fixed part 21. , may be connected to the connection mechanism 38 of the attachment part 22.
When discharging the contents, the first locking part 31 and the rear end support part 39 of the attachment part 22 are liquid-tightly connected to the rear end side of the puncture part 26, so that the contents flowing inside the puncture part 26 are discharged. No material leaks to the outer circumferential side of the puncture section 26. In addition, since the second locking portion 32 of the attachment part 22 is liquid-tightly connected to the second locked portion 42 of the fixed part 21, the contents in the through hole 23 will not leak to the outside of the spout 20.

According to the spout 20 of this embodiment as described above, as described above, the through hole 23 of the fixed part 21 is closed by the sealing part 25, and the puncture part 26 that can puncture the sealing part 25 penetrates. The attachment part 22 is held in the hole 23 via the weakened part 43 and has a first locking part 31 that can be locked to the puncture part 26 and a second locking part 31 that can be locked to the main body part 24 of the fixed part 21. It has a locking part 32.
Therefore, when attaching the attachment part 22 to the fixed part 21, the puncture part 26 is held in a predetermined position in the through hole by the fragile part, and the puncture part 26 can be integrated with the attachment part 22 by the first locking part 31. By locking the locking part 32, the puncture part 26 is moved forward together with the attachment part 22, the fragile part 43 is ruptured, and the sealing part 25 can be punctured by the puncture part 26.

Thereby, when puncturing the sealing part 25, it is possible to press the puncture part 26 against the sealing part 25 while keeping the posture and position of the puncture part 26 stable. Moreover, since the puncturing part 26 is advanced by locking the attachment part 22 to the main body part 24 of the fixed part 21, the puncturing part 26 can be pressed against the sealing part 25 at a preset position and direction. The puncture section 26 can puncture the sealing section 25 with sufficient force to unseal the spout 20. Even if the sealed part 25 has a high sealing property and is difficult to puncture, it can be punctured, and the spout 20 can be reliably opened.

Furthermore, when attaching the mounting part 22 to the fixed part 21, it is only necessary to lock the first locking part 31 and the second locking part 32, and the user can easily open the spout 20 without performing any special opening operation. can.
As a result, according to the spout 20 of this embodiment, the container can be opened easily and reliably without depending on the user's usage method.

Furthermore, in the spout 20 of the present embodiment, the puncture part 26 is held via the fragile part 43 with the tip of the puncture part 26 placed in a position corresponding to the puncture position 25a set in advance in the sealing part 25. The tip of the puncturing part 26, which has broken the fragile part 43 and moved forward, is configured to be able to puncture the sealing part 25 at the puncturing position 25a.
Therefore, the tip of the puncture section 26 can puncture the puncture position 25a in the sealing part 25, which is the easiest to puncture. Therefore, the sealing part 25 can be reliably opened by the puncture part 26, and the reliability of operation can be improved.

In addition, in the spout 20 of this embodiment, the second locking part 32 is screwed into the main body part 24 so that the tip blade part 44 of the puncturing part 26 moves forward while rotating to puncture the sealing part 25. Therefore, by screwing the second locking part 32 of the attachment part 22 to the main body part 24, the tip blade part 44 of the puncture part 26 can be moved forward while being rotated at a predetermined position. Therefore, the puncture section 26 can be advanced while maintaining its posture and position more stably, and the sealing section 25 can be cut into a predetermined arc shape by the tip blade section 44 of the puncture section 26 to facilitate puncturing.
Moreover, the tip blade 44 of the puncture section 26 is not simply moved linearly in the axial direction toward the inside of the container to perform the puncture, but the tip blade 44 of the puncture section 26 is rotated and advanced. The moving distance in the axial direction of the tip end portion 44 of the portion 26 can be kept small, and a long moving distance in the circumferential direction can be ensured. Therefore, the tip blade part 44 of the puncture part 26 in contact with the sealing part 25 can reliably cut the sealing part 25 by pulling, shearing, tearing, etc., and the spout can be opened easily and reliably.

Furthermore, in the spout 20 of this embodiment, the first locking part 31 and the second locking part 32 can be screwed together with the puncture part 26 by rotating coaxially and in the same direction. The second locking portion 32 is configured to start screwing into the main body portion 24 before the first locking portion 31 completes screwing.
Therefore, simply by rotating the attachment part 22 relative to the fixed part 21, the attachment part 22 can be screwed into the puncture section 26 and the attachment part 22 can be screwed into the main body part 24 of the fixed part 21.
Moreover, when attaching the attachment part 22 to the fixed part 21, the puncture part 26 is completely integrated with the attachment part 22, so that the puncture part 26 starts rotating and moving forward together with the attachment part 22, and before breaking the fragile part 43. Since the second locking part 32 can be screwed onto the main body part 24, the mounting part 22 integrated with the puncture part 26 can be stably supported by the main body part 24 when the fragile part 43 is broken by the mounting part 22. It is possible to move the tip of the puncture section 26 forward while stably rotating it. Thereby, the sealed portion 25 can be opened more stably, and the operability at the time of opening can be improved.

Furthermore, the spout 20 of the present embodiment includes a first detachment prevention portion 36a that irremovably engages the attachment part 22 and the puncture portion 26 by completing the locking of the first locking portion 31. Therefore, the attachment part 22 and the puncture part 26 can be reliably integrated, and the attachment part 22 will not come off from the puncture part 26. Thereby, it is possible to reliably prevent the attachment part 22 and the puncture part 26 from coming off or leaking during operation or use.
The spout 20 also includes a second detachment prevention portion 36b that irremovably engages the attachment part 22 and the main body portion 24 by completing the locking of the second locking portion 32. Therefore, after the mounting part 22 is completely attached to the fixed part 21 and the sealing part 25 is punctured by the tip blade part 44 of the puncturing part 26 to open the spout 20, the puncturing part 26 of the fixed part 21 and the mounting part 22, and the mounting part 22 and the main body part 24 of the fixed part 21 are irremovably joined, and the puncture part and the main body part of the fixed part and the mounting part are completely integrated, and can be separated separately. Never.
This prevents the attachment parts and the puncture part from coming off, making it possible to prevent misuse or reuse. It is possible to reliably prevent repeated use in other containers, for example, the puncture portion 26 does not deteriorate, and it is possible to reliably prevent the container from being used multiple times.

Furthermore, in the spout 20 of this embodiment, the attachment part 22 has the connection mechanism 38 that can be connected to the end connection part 13a provided on the external tube 13, so that the operation of connecting the external tube 13 to the spout, The puncturing part 26 is integrated with the mounting part 22, and the operation of puncturing the sealing part with the puncturing part can be performed separately, and the user can arbitrarily select each operation according to the usage situation, making it easy to use. .

Furthermore, in the spout 20 of this embodiment, the opening periphery 23a of the through hole 23 inside the container 10 has a concave shape recessed in the axial direction of the through hole 23, and the sealing part 25 is a sheet material joined to the opening periphery 23a. It is configured to be cut by the distal end blade portion 44 of the puncture portion 26 as the puncture portion 26 rotates. Here, since the sealing part 25 made of a sheet material arranged near the opening periphery 23a of the through hole 23 has a concave shape, when the distal end blade part 44 of the puncturing part 26 is rotated and brought into pressure contact, the sheet material The sealing portion 25 is difficult to stretch, and therefore the tip blade portion 44 can reliably cut the sealing portion 25 near the opening periphery.

In addition, since the puncture part 26 is arranged at a predetermined position in the through hole 23 by the fragile part 43, the tip blade part 44 of the puncture part 26 is placed in a position where it is easy to cut the sealing part 25 made of a concave sheet material. They can be placed in advance and can be reliably cut by rotating the tip blade section 44 of the puncture section 26. Therefore, even if the sealing portion 25 is made of a sheet material that has high sealing properties and is difficult to puncture, the spout 20 can be punctured more reliably and the spout 20 can be opened.
In particular, since the puncturing position 25a is set in the innermost part of the concave shape of the sheet material constituting the sealing part 25 at a position bent in a substantially U-shape, the tip blade part 44 of the puncturing part 26 can It is possible to cut more reliably.

Note that the above embodiments can be modified as appropriate within the scope of the present invention.
For example, in the above embodiment, the spout is described using an example of a port section for connecting other members such as the external tube 13 to the container 10 and discharging the contents, but the spout is not particularly limited. The present invention is also applicable to other spouts to which no external tube or the like is connected.
Furthermore, in the above example, the container body is one in which a resin sheet is sealed around the periphery, but the container body is not limited in any way as long as the spout can be fixed airtight and the contents can be stored inside. isn't it.
Furthermore, in the embodiment described above, the first locking part 31 and the first locked part 41 are formed as threaded parts that can be screwed together, and the second locking part 32 and the second locked part 42 are also screwed together. Although an example has been described in which the locking means is formed as a threaded portion, the locking means is not particularly limited as long as it is movable in the axial direction and rotational direction in mutually stable postures.

10 Container 11 Container main body 13 External tube 13a End connection part 15 Accommodating part 17 Container wall 20 Spout 21 Fixed part 22 Mounting part 23 Through hole 23a Opening periphery 24 Main body part 25 Sealing part 25a Puncture position 26 Puncture part 27 Boat shape 27a Inside End face 27b Outer end face 28 Projection part 30 Attachment part 31 First locking part 32 Second locking part 33 Stopper 34a First inclined recess 34b Second inclined recess 35a First inclined protrusion 35b Second inclined protrusion 36a First detachment prevention part 36b Second detachment prevention part 37 Attachment main body 38 Connection mechanism 39 Rear end support part 40 Connection part 41 First locked part 42 Second locked part 43 Fragile part 44 Tip blade part 44a Pierce part 44b Cutting blade 45 Operation Section 46 Annular protrusion

Claims (8)

comprising a fixed part fixed to the container and a mounting part attachable to the fixed part,
The fixing part includes a main body portion provided with a through hole penetrating between the inside and outside of the container, a sealing portion that closes the through hole inside the front container, and a portion inside the through hole such that the sealing portion can be punctured. a puncture section disposed in the main body section through a weakened section;
The attachment part has a first locking part that can be locked to the puncture part, and a second locking part that can be locked to the main body part,
By locking the first locking part, the mounting part is integrated with the puncturing part,
Furthermore, in the process of locking the second locking part, the puncture part integrated with the attachment part is advanced to break the fragile part and puncture the sealing part with the tip of the puncture part. It consists of a spout. The puncturing part is held through the fragile part with the tip of the puncturing part placed at a position corresponding to a puncturing position preset in the sealing part, and the puncturing part is advanced by breaking the fragile part. The spout according to claim 1, wherein a tip of the puncturing part is capable of puncturing the sealing part at the puncturing position. The spout according to claim 2, wherein the second engaging portion is screwed into the main body portion, so that the tip blade of the piercing portion can be advanced while rotating to pierce the sealing portion. The first locking part can be screwed into the puncture part by rotating coaxially and in the same direction as the second locking part, and the first locking part screwed into the puncture part can be screwed into the puncture part. 3. The spout of claim 2, wherein the second locking portion is configured to begin threading into the body portion before completing the process. The spout according to claim 1, further comprising a first detachment prevention portion that irremovably engages the attachment part and the puncture portion by completing the locking of the first locking portion. The spout according to claim 1, further comprising a second detachment prevention portion that irremovably engages the attachment part and the main body portion by completing the locking of the second locking portion. The opening periphery of the through-hole inside the container has a concave shape recessed in the axial direction of the through-hole,
The spout according to claim 1, wherein the sealing part is made of a sheet material joined to the periphery of the opening, and is configured to be cut by a tip blade part of the puncturing part by rotation of the puncturing part. . A container with a spout, comprising the spout according to any one of claims 1 to 7.

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