L-shaped dispenser, and bag container

JP2024072057A5Pending Publication Date: 2025-09-11KAO CORP
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Patent Information

Application Number
JP2022182650
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2022-11-15
Publication Date
2025-09-11

AI Technical Summary

Technical Problem

Existing pump designs do not allow for the nozzle portion to be used as a fulcrum when the pump is turned upside down, leading to potential liquid spillage and contamination during replacement.

Method used

An L-shaped dispenser is removably attached to a bag container, discharging liquid horizontally and maintaining an inverted state using the nozzle and pump parts as supports when placed upside down, preventing liquid leakage and contamination.

Benefits of technology

Enables the pump to be turned upside down without spilling or contaminating the mounting surface, ensuring easy replacement and cleaning by stabilizing the dispenser with the nozzle and pump parts as fulcrums.

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Abstract

To erect a pump upside down by using, as one of supporting points, a nozzle part located at a pump head.SOLUTION: An L-shaped dispenser is attached to a pour-out port part of a bag container for storing a content liquid in an attachable / detachable manner and configured to discharge the content liquid in a substantially horizontal direction by a discharge operation. The L-shaped dispenser comprises: a pump part that comprises a space formed of a body and the lid body arranged opposed to the body, and sucks from the bag container, and stores a predetermined volume of the content liquid as the lid body is restored by stopping of the discharge operation performed on the lid body; and a nozzle part that is disposed extending in a substantially horizontal direction and discharges the content liquid stored in the pump part as the lid body is deformed by starting of the discharge operation performed on the lid body. When placed erected upside down on a placement surface, for being detached to be replaced, the L-shaped dispenser can maintain a state of being erected upside down with at least two points of a part of a nozzle and a part of the pump part.SELECTED DRAWING: Figure 1
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Description

[Technical field]

[0001] The present invention relates to an L-shaped dispenser and a bag container. [Background technology]

[0002] In the above technical fields, Patent Document 1 discloses that in a pump of the type that discharges the content liquid by pressing down the pump head, an auxiliary member is attached to the pump head when the pump is inverted. Patent Document 2 discloses that in a pump of the type that discharges the content liquid by pressing down the pump head, a protrusion that can be inserted and removed is provided on the pump head when the pump is inverted. Furthermore, Patent Document 3 discloses that in a pump of the type that discharges the content liquid by pressing down the pump head, a flat portion of the pump head is utilized. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2020-196478 A [Patent Document 2] JP 2019-182470 A [Patent Document 3] JP 2004-298804 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the techniques described in the above Patent Documents 1 to 3, it was not possible to turn the pump upside down by using the nozzle portion in the pump head as one of the fulcrums. [Means for solving the problem]

[0005] In order to achieve the above object, the L-shaped dispenser according to the present invention comprises: An L-shaped dispenser that is detachably attached to a spout of a bag container that contains a liquid content and that discharges the liquid content in a substantially horizontal direction by a dispensing operation, a pump section having a space formed by a main body and a lid body arranged opposite to the main body, the pump section sucking in a predetermined volume of the content liquid from the bag container and storing the content liquid when the lid body is restored to its original shape due to the cessation of the dispensing operation on the lid body; a nozzle portion extending in a substantially horizontal direction and discharging the liquid stored in the pump portion in response to deformation of the lid body caused by the start of a discharging operation on the lid body; Equipped with When the L-shaped dispenser is removed and replaced, when it is placed inverted on a placement surface, the inverted state can be maintained by at least two points, a part of the nozzle and a part of the pump portion.

[0006] In order to achieve the above object, the bag container according to the present invention comprises: The L-shaped dispenser described above was attached. Effect of the Invention

[0007] According to the present invention, the nozzle portion in the pump head portion can be used as one of the fulcrums to hold the pump upside down. [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view of an L-shaped dispenser according to a preferred embodiment of the present invention with a bag body attached and a cap closed. [Diagram 2] FIG. 1 is a perspective view of an L-shaped dispenser according to a preferred embodiment of the present invention, with the bag body attached and the cap open. [Diagram 3] 1A is a top view of an L-shaped dispenser according to a preferred embodiment of the present invention with the cap closed, and FIG. 1B is a top view of an L-shaped dispenser according to a preferred embodiment of the present invention with the cap open. [Figure 4] 1A is a front view of an L-shaped dispenser according to a preferred embodiment of the present invention with the cap closed, (b) a front view of the L-shaped dispenser with the cap open, and (c) a rear view. [Diagram 5] 1A and 1B are a left side view and a right side view, respectively, of an L-shaped dispenser according to a preferred embodiment of the present invention. [Figure 6] 1A and 1B are a left side view and a right side view, respectively, showing an inverted state of an L-shaped dispenser according to a preferred embodiment of the present invention. [Figure 7] 1A and 1B are a front view and a rear view showing an inverted state of an L-shaped dispenser according to a preferred embodiment of the present invention. [Figure 8] 1A is a front view of an L-shaped dispenser according to a preferred embodiment of the present invention attached to a bag body and further housed in a holder, with the holder in a closed state, and FIG. 1B is a side perspective view of the holder in an open state. [Figure 9] FIG. 1 shows (a) an oblique view, (b) a rear view, (c) a right side view, (d) a front view, (e) a left side view, (f) a top view, (g) a bottom view, and (h) a left side view in an open state of a holder for housing a bag body equipped with an L-shaped dispenser according to a preferred embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, the embodiments of the present invention will be described in detail with reference to the drawings. However, the configurations, numerical values, functional elements, etc. described in the following embodiments are merely examples, and are free to be modified or changed, and are not intended to limit the technical scope of the present invention to the following description.

[0010] In recent years, from the viewpoint of recycling, bag-shaped bag containers made of soft sheet materials such as resin are used as containers for containing liquid contents such as shampoo, conditioner, cosmetic liquid, and medicinal liquid. Some of these bag containers have a dispenser attached to the outlet for discharging the liquid contents contained in the bag container. In such bag containers, after the liquid contents are used up, the dispenser can be removed and replaced with another bag container for reuse, and only the used bag container can be disposed of as waste, thereby reducing the environmental load.

[0011] When replacing a dispenser, the attached dispenser must be removed and placed in a designated location such as a washbasin. In this case, the contents may accumulate or adhere to the inner and outer circumferential surfaces of the dip tube attached to the dispenser for sucking up the contents. If the dip tube with the contents adhered thereto is placed on the washbasin, the contents may spill onto the washbasin, which requires cleaning, etc., and the dip tube is sticky and difficult to place.

[0012] For this reason, there has been a demand for a dispenser that, when replaced, does not allow the dip tube or the like to come into contact with the surface on which the dispenser is placed, such as a washbasin, when the dispenser is placed on the washbasin or the like.

[0013] Next, the bag container 1 with the L-shaped dispenser of this embodiment will be described. The L-shaped dispenser 20 is a device that is detachably attached to a bag container or the like that contains the content liquid, and is used to discharge the content liquid in a substantially horizontal direction by a discharge operation. The L-shaped dispenser 20 includes a nozzle 22 and a pump unit 31. The pump unit 31 is composed of a lid body 23 and a casing 30. The pump unit 31 temporarily stores the content liquid stored in the bag body 10, and the nozzle 22 discharges the content liquid stored in the pump unit 31. Note that the "L-shaped dispenser" in this application refers to a dispenser that is attached to a bag container or the like, and has a nozzle provided via a pump unit in a direction substantially perpendicular to the axial direction of the container. As described later, the direction in which the dispenser is substantially perpendicular to the axial direction of the container may be changed as appropriate within a range that does not impair the effects of the invention.

[0014] As shown in Figures 1 and 2, the bag container 1 with an L-shaped dispenser is configured to include a bag body 10 and an L-shaped dispenser 20. The bag body 10 is formed of a flexible sheet material, and has a front sheet 11, a back sheet 12, a top sheet 13, and a bottom sheet 14. When the front sheet 11 is used as a reference, the back sheet 12 is disposed in a position opposite the front sheet 11, the top sheet 13 is joined to the upper ends of the front sheet 11 and the back sheet 12, and the bottom sheet 14 is joined to the lower ends of the front sheet 11 and the back sheet 12.

[0015] Examples of the sheet material that can be used include synthetic resin film sheets made of polyolefin resins such as polypropylene resin and polyethylene resin, and film sheets made of a laminate of the synthetic resin film material and a metal such as aluminum. Also, film sheets in which a metal such as aluminum is vapor-deposited onto the synthetic resin film material can be used.

[0016] The bag body 10 has gussets formed at the upper and lower end sides by heat sealing or the like at the respective ends of the front sheet 11, back sheet 12, top sheet 13, and bottom sheet 14. This forms a storage space inside the bag body 10 for storing the liquid content.

[0017] The liquid contents contained in the bag body 10 may be, for example, body soap, hand soap, shampoo, rinse, treatment, hair dye, perfume, beverages, or foods such as soy sauce, miso, vinegar, and whipped cream, but are not limited to these.

[0018] The top sheet 13 of the bag body 10 is provided with a spout portion (not shown), and the L-shaped dispenser 20 is screwed into the spout portion so that the L-shaped dispenser 20 can be attached to the bag body 10. That is, the spout portion has a substantially cylindrical shape, and a male screw portion is formed on its outer circumferential surface. The male screw portion is adapted to screw into a female screw portion formed on the inner circumferential surface of the mounting portion 25. The L-shaped dispenser 20 is attached to the bag body 10 by tightening the L-shaped dispenser 20 in a state where the male screw portion and the female screw portion are screwed together. The L-shaped dispenser 20 attached to the bag body 10 can be removed by following the procedure reverse to that of the attachment described above.

[0019] When dispensing the liquid content stored in the bag body 10, first, a finger is hooked on the claw portion 26 of the cap 21 of the L-shaped dispenser 20, and the cap 21 is pulled toward oneself, causing the cap 21 to spring upward. When the cap 21 is further pulled, the cap 21 rotates about the hinge portion 27, and the engagement portion 28 provided on the surface of the cap 21 fits into the locking portion 29, so that the cap 21 can be fixed in the open state.

[0020] Next, when the lid 23 of the L-shaped dispenser 20 is pressed in the discharge operation direction 23a, which is the direction of the arrow in Fig. 2, with the cap 21 in the open state (start of the discharge operation), the liquid content stored in the pump section 31 composed of the lid 23 and the casing 30 is discharged in the horizontal direction (arrow direction 22a in Fig. 2) from the tip of the nozzle 22. Here, the direction in which the liquid content is discharged is not limited to the horizontal direction, and may be, for example, an oblique direction up or down. In addition, the nozzle 22 may be movable with respect to the casing 30 as the main body, so that the liquid content can be discharged in any angle direction up or down.

[0021] When the lid body 23 is pressed, the inside of the L-shaped dispenser 20 is under negative pressure, and when the lid body 23 is released (dispensing operation is stopped), the pressure becomes positive, and a predetermined amount of the liquid content contained in the bag body 10 is sucked up through the dip tube 40. The sucked up liquid content is stored in the pump section 31 (inside the L-shaped dispenser 20) until the lid body 23 is pressed again. After the predetermined amount of the liquid content has been discharged, the cap 21 is returned to its original position and closed, blocking the nozzle 22 and preventing the liquid content from leaking out.

[0022] Here, the lid body 23 has a dome-like shape and can be formed of an elastically deformable material, for example, an elastomer. The lid body 23 bulges in a direction protruding outward from the casing 30 of the L-shaped dispenser 20 when not in operation (natural state).

[0023] Furthermore, by pressing the lid body 23 in a direction to collapse the bulge of the lid body 23 (discharge operation), the pressure inside the casing 30 increases, and the liquid content stored in the casing 30 is discharged from the nozzle 22. When the pressing operation (discharge operation) on the lid body 23 is released, the lid body 23 moves in the opposite direction (the bulging direction) to when pressed, and the pressure inside the casing 30 decreases. Note that a spring member or the like for biasing the lid body 23 may be provided between the lid body 23 and the casing 30 so that the lid body 23 reliably returns to its original shape when the pressing operation on the lid body 23 is released.

[0024] The pressing operation of the lid body 23 is performed by pinching the top surface of the lid body 23 and the end surface of the casing 30 arranged at a position opposite to the lid body 23 with the user's thumb and index finger from the side of the casing 30. The amount of the content liquid discharged from the L-shaped dispenser 20 in one discharge operation is about several milliliters. In addition, the discharge amount in one discharge operation of the L-shaped dispenser 20 can be changed to a desired discharge amount by changing the size of the L-shaped dispenser 20 (the size of the casing 30).

[0025] The L-shaped dispenser 20 will be described with reference to Figs. 3 to 5. As described above, the L-shaped dispenser 20 includes the nozzle 22, the lid body 23, and the casing 30. In the L-shaped dispenser 20, the lid body 23 and the casing 30 constitute a pump section 31. The pump section 31 has a space formed by the casing 30 as the main body of the L-shaped dispenser 20 and the lid body 23 arranged opposite to the casing 30. The pump section 31 sucks in a predetermined volume of the content liquid from the bag body (bag container) and stores it as the lid body 23 is restored due to the cessation of the discharge operation on the lid body 23.

[0026] The L-shaped dispenser 20 is attached to the mounting part 25, and is configured to be attached to the spout of the bag body 10 via the mounting part 25. That is, a female screw is formed on the inner surface of the mounting part 25, and the L-shaped dispenser 20 is screwed to the spout. Several ribs of different lengths are provided on the side of the mounting part 25, which act as anti-slip when the L-shaped dispenser 20 is screwed to the spout, allowing the user to reliably screw the L-shaped dispenser 20.

[0027] The pump section 31 is connected to a dip tube 40. The dip tube 40 is inserted into the outlet of the bag body 10. As a result, the liquid content contained in the bag body 10 passes through the dip tube 40 and is sucked up to the pump section 31 in response to the start and stop of the discharge operation on the lid body 23. The length of the dip tube 40 is determined according to the vertical length of the bag body 10 to which the L-shaped dispenser 20 is attached, but it is sufficient that the end of the dip tube 40 opposite to the mounting section 25 contacts the bottom sheet 14 of the bag body 10. If the length of the dip tube 40 is such a length, it is possible to use up all of the liquid content contained in the bag body 10. The length of the dip tube is not limited to the length shown here, and can be any length as needed.

[0028] Furthermore, the pump section 31 further includes a protrusion 24 extending in the vertical direction. The protrusion 24 is provided on the opposite side of the casing 30 from the cover 23. The protrusion 24 is a rectangular plate-like member of a predetermined thickness, with its four corners chamfered, elongated in the vertical direction, and with a width shorter than the diameter of the cover 23. The protrusion upper end 24a extends to a position approximately at the same height as the casing upper end 30a.

[0029] Here, the length m of the protrusion 24 in the discharge operation direction 23a is 0.02n≦m≦1.0n, preferably 0.03n≦m≦0.5n, and more preferably 0.05n≦m≦0.2n, where n is the length of the casing 30 as the main body in the discharge operation direction 23a. In this embodiment, m=0.08n, for example, n=17.5 mm. The protrusion 24 has a vertical length P of 10 mm to 40 mm, preferably 20 mm to 25 mm, and a horizontal width Q of 7 mm to 30 mm, preferably 10 mm to 20 mm.

[0030] The nozzle 22 is an elongated member extending from the casing 30 in a substantially horizontal direction. When the liquid content is not being discharged, the nozzle 22 is hidden by the cap 21. When the liquid content is to be discharged, the cap 21 is opened to expose the nozzle 22. The cap 21 is a member for preventing leakage of the liquid content and protecting the tip of the nozzle portion 32 (the nozzle 22 and the tip of the nozzle 22). The nozzle 22 discharges the liquid content stored in the pump portion 31 as the cover body 23 is deformed by starting the discharge operation on the cover body 23. The discharge direction of the liquid content from the nozzle 22 is determined according to the extension direction of the nozzle 22. For example, if the nozzle 22 is extended in an obliquely upward direction or an obliquely downward direction, the nozzle 22 will discharge the liquid content in the direction in which the nozzle 22 is extended. That is, in this case, the nozzle 22 will discharge the liquid content in an obliquely upward direction or an obliquely downward direction.

[0031] Furthermore, when the nozzle 22 is movable, that is, when it can be oriented at any angle with respect to the casing 30, the nozzle 22 can eject the content liquid in any angular direction. When the nozzle 22 is extended in an oblique direction or is movable, its movable range (movable area) or extension range is, for example, in the range of +45° to −45°, and preferably in the range of +30° to −30°, based on the horizontal direction.

[0032] The dimensions of the L-shaped dispenser 20 are, for example, a diameter R of the lid 23 of 10 mm to 50 mm, preferably 20 mm to 35 mm. From the viewpoint of ease of gripping the lid 23, a distance L of 10 mm to 40 mm, preferably 15 mm to 30 mm. Examples of materials used for the lid 23 include, but are not limited to, elastomer, silicon, and NBR. Examples of materials used for the casing 30 include, but are not limited to, resin materials such as PP (polypropylene) and PE (polyethylene).

[0033] 6 and 7, the inversion of the L-shaped dispenser 20 will be described. After the liquid content contained in the bag body 10 is used up, the L-shaped dispenser 20 is removed from the bag body 10 and replaced with a new bag body 10. In this case, the L-shaped dispenser 20 removed from the bag body 10 from which the liquid content has been used up is placed on a placement surface 50 such as a workbench in an inverted state as shown in the figures.

[0034] When the L-shaped dispenser 20 is inverted, the inverted state of the L-shaped dispenser 20 is maintained by the nozzle portion 32 (cap 21), the casing upper end 30a, and the protruding portion upper end 24a. That is, the L-shaped dispenser 20 contacts the mounting surface 50 at three points (three surfaces): the vicinity of the apex located opposite the claw portion 26 of the cap 21, the casing upper end 30a corresponding to the vertical apex of the casing 30, and the protruding portion upper end 24a corresponding to the vertical apex of the protruding portion 24. Since the L-shaped dispenser 20 is supported by these three points (three surfaces), it can be stably maintained in an inverted state on the mounting surface 50.

[0035] In this way, when the L-shaped dispenser 20 is inverted, the dip tube 40 faces vertically upward, and the liquid content remaining in the dip tube 40 falls downward due to gravity. The liquid content that falls downward flows into the pump section 31, and since the nozzle 22 is closed by the cap 21, even if the liquid content that flows into the pump section 31 further flows into the nozzle 22, it will not leak out from the nozzle 22. Therefore, the surface on which the L-shaped dispenser 20 is placed, such as a workbench, will not be soiled.

[0036] The liquid content adhering to the outer peripheral surface of the dip tube 40 also flows downward along the outer peripheral surface, but the liquid content flows down to a depression in the mounting part 25, where it accumulates. The liquid content adhering to the outer peripheral surface of the dip tube 40 does not leak out of the mounting part 25, so it does not soil the surface on which the L-shaped dispenser 20 is placed, such as a workbench.

[0037] In the above description, the shape of the protrusion 24 is rectangular, but the shape of the protrusion 24 is not limited to this and may be, for example, a triangular shape, a polygonal shape, a circular shape, an elliptical shape, etc. For example, when the shape of the protrusion 24 is triangular, the apex of the triangle is arranged at a position corresponding to the protrusion upper end 24a. Similarly, when the shape of the protrusion 24 is polygonal, the apex of the polygon is arranged at a position corresponding to the protrusion upper end 24a.

[0038] In the above description, the protrusion 24 is provided at a position facing the lid 23, and the L-shaped dispenser 20 is inverted with the surfaces (three points) of the three members, the nozzle 32, the casing 30, and the protrusion 24, as support (fulcrum). However, for example, the length (thickness) of the side surface (outer peripheral surface) of the casing 30 may be increased to invert the L-shaped dispenser 20 with the surfaces (two points) of the two members, the nozzle 32 (cap 21) and the casing upper end 30a (side surface (outer peripheral surface) of the casing 30). That is, when the L-shaped dispenser 20 is inverted, the nozzle 32 and the casing upper end 30a (side surface of the casing 30) may maintain the inverted state of the L-shaped dispenser 20. In this case, the protrusion 24 may not be provided, or the position of the protrusion upper end 24a may be lower than the position of the casing upper end 30a.

[0039] Next, an example of the use of the bag container with L-shaped dispenser 1 will be described with reference to Figs. 8 and 9. That is, the bag container with L-shaped dispenser 1 may be used by being housed in a holder 60 as shown in the figure. The bag container with L-shaped dispenser 1 may be used as it is, or may be used by being housed in a holder 60 as shown in the figure. The bag container with L-shaped dispenser 1 is fixed to the holder 60 by fitting a step portion at the neck of the L-shaped dispenser 20 into an opening 61 of the holder 60. When the lid portion 62 of the holder 60 is closed, the bag body 10 is housed inside the holder 60 and cannot be seen from the outside. The L-shaped dispenser 20 protrudes vertically upward from the opening 61 on the top surface (upper surface) of the holder 60, and the entirety can be seen.

[0040] When the L-shaped dispenser-equipped bag container 1 is accommodated in the holder 60, first, the bag body 10 of the L-shaped dispenser-equipped bag container 1 is slid into the holder 60 from the space created by opening the lid portion 62 of the holder 60. Next, the step portion of the neck of the L-shaped dispenser 20 is fitted into the opening 61. Then, when the lid portion 62 of the holder 60 is closed, the L-shaped dispenser-equipped bag container 1 is accommodated in the holder 60 and is ready for use. When the L-shaped dispenser-equipped bag container 1 is removed from the holder 60, it can be removed by reversing the above-mentioned procedure. In addition, the lid portion 62 of the holder 60 is made of a translucent material, and the remaining amount of the content liquid in the bag body 10 can be visually confirmed even when the lid portion 62 is closed and the L-shaped dispenser-equipped bag container 1 is accommodated.

[0041] Although the holder 60 is provided with an openable / closable lid 62, the holder 60 may have a shape without the lid 62. That is, the holder 60 may be made of only a body portion, and in this case, the step at the neck of the L-shaped dispenser 20 is fitted into the opening 61 of the holder 60 to use the bag container 1 with the L-shaped dispenser. In this case, the bag container 1 with the L-shaped dispenser is exposed from the back portion and parts of both side portions of the holder 60, so that the remaining amount of the liquid content in the bag body 10, the usage method, precautions, etc. can be easily visually confirmed.

[0042] In addition to the above-mentioned containers, the bag container also includes, for example, a delaminated container in which an outer container and an inner bag are laminated so as to be easily peeled off. Here, a delaminated container is a container in which the innermost layer is intentionally peeled off, and is a container in which, for example, a highly viscous conditioner, beauty essence, etc. can be used up to the last drop. In a delaminated container, as the contained liquid (content) decreases, the inner bag shrinks and air enters through an air intake provided in the outer container, but this container is also designed so that the air does not come into contact with the liquid content.

[0043] Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the above-mentioned embodiments and can be modified as appropriate. Various modifications that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention. In addition, L-shaped dispensers or bag containers that combine the separate features included in each embodiment in any way are also included in the scope of the present invention. [Explanation of symbols]

[0044] 1 L-shaped bag container with dispenser 10 Bags 11 Front seat 12 Back seat 13 Top sheet 14 Bottom sheet 20 L-shaped dispenser 21 Cap 22 Nozzle 22a Arrow direction 23 Lid 23a Discharge operation direction 24 Protrusion 24a Upper end of protrusion 25 Mounting part 26 Claw part 27 Hinge part 28 Engagement part 29 Locking part 30 Casing 30a Casing top 31 Pump section 32 Nozzle section 40 Dip Tube 50 Placement surface 60 Holder 61 Opening 62 Lid

Claims

1. An L-shaped dispenser that is detachably attached to a spout portion of a bag container that contains a liquid content, and that dispenses the liquid content in a substantially horizontal direction by a dispensing operation, a pump section having a space formed by a main body and a lid body disposed opposite the main body, the pump section sucking a predetermined volume of the content liquid from the bag container and storing the content liquid when the lid body is restored to its original shape due to the cessation of the dispensing operation on the lid body; a nozzle portion extending in a substantially horizontal direction and discharging the liquid stored in the pump portion in response to deformation of the lid body due to start of a discharging operation on the lid body; Equipped with When the L-shaped dispenser is removed and replaced, when the L-shaped dispenser is placed in an inverted state on a placement surface, the inverted state can be maintained by at least two points, a part of the nozzle portion and a part of the pump portion.

2. The pump portion further includes a protrusion extending in a vertical direction, The L-shaped dispenser according to claim 1 , wherein when the L-shaped dispenser is inverted, the inverted state can be maintained by the nozzle portion and the protrusion portion.

3. The pump portion further includes a protrusion extending in a vertical direction, The L-shaped dispenser according to claim 1 , wherein when the L-shaped dispenser is inverted, the inverted state can be maintained by the nozzle portion, the upper end of the main body, and the upper end of the protrusion.

4. 4. The L-shaped dispenser according to claim 3, wherein the protrusion extends so that the height position of the upper end of the protrusion is substantially the same as the height position of the upper end of the main body.

5. The L-shaped dispenser according to any one of claims 2 to 4, wherein the length m of the protrusion in the discharge operation direction is 0.02n≦m≦1.0n, where n is the length of the main body in the discharge operation direction.

6. The L-shaped dispenser according to any one of claims 1 to 4, wherein a cap is attached to the nozzle portion.

7. The L-shaped dispenser according to any one of claims 1 to 4, further comprising a dip tube inserted into the spout portion for sucking up the liquid content.

8. A bag container equipped with the L-shaped dispenser according to any one of claims 1 to 4.