JP2012001242A - Foam discharging container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a screw part to be screwed to a mouth part of a container body and a foam discharging passage forming part having a foam discharging passage therein in a part through the integral molding in a foam discharging container for discharging foams by pressing the container body, and to improve the molding accuracy and the appearance of a foamer cap.SOLUTION: A foam discharging container 1 includes a flexible container body 2, a foamer cap 10 to be screwed to a mouth part of a container body, and a dip tube 11 extending into the container body 2 from the foamer cap 10. By pressing the container body 2, the liquid A stored in the container body 2 is discharged in foams. The foamer cap 10 includes a cylindrical wall 22 to be screwed to a mouth part wall of the container body 2 from its outer side, an inner ring 23, a foam discharging passage forming part 24 having a foam discharging passage 25 therein, and a housing 20 with an intake cylinder 53 being formed through the integral molding. The intake cylinder 53 is provided above the inner ring 23, and the circumferential surface of the intake cylinder 53 is surrounded by the profile of a non-intake cylinder part of the housing 20.

Description

  The present invention relates to a foam discharge container that discharges a liquid in a container body in a foam shape by pressing a flexible container body.

  When a flexible container body is pressed, the foam discharge container that discharges the liquid in the container body in the form of foam is also called a squeeze foamer container, and various cosmetics, cleaning agents, etc. are discharged in the form of foam. Is used.

  As one of the general forms of foam discharge containers, a foam cap having a gas-liquid mixing chamber and connected to a dip tube extending into the container body is attached to the mouth of the container body, In some cases, the liquid supplied through the dip tube is mixed with the air supplied from the space in the container body in the gas-liquid mixing chamber to foam. In such a foam discharge container, after the container body is deformed by pressing and the liquid is discharged in the form of bubbles, the former cap is provided with an outside air suction mechanism so that the deformation of the container body is restored after the release of the pressing. It will be necessary. As a technique for this purpose, the main body part excluding the discharge port portion of the former cap is screwed into the mouth portion of the container body by screwing, and the foam discharge path portion for passing the bubbles in the discharge port direction. It is known that it is composed of parts and forms a complicated intake path in the gap between these fittings (Patent Document 1).

  On the other hand, the number of parts of the former cap is reduced, and it is compactly formed. As a result, the screwed part that is screwed into the mouth part of the container body and the foam discharge path part that passes the foam in the direction of the discharge port. Is made up of a single part, and an intake cylinder incorporating a ball valve is provided between the screwing portion and the bubble discharge path (Patent Document 2).

Japanese Utility Model Publication No. 7-33860 JP-A-10-29552

  In general, as in the foam discharge container 1p shown in FIG. 9, the threaded portion 21 of the former cap that is screwed into the mouth 3 of the container body 2 from the outside has a sealing property with the mouth 3 of the container body 2. In order to ensure, an inner ring 23 is formed further inside the cylindrical wall 22 whose inner surface is spiraled, and the cylindrical wall 4 of the mouth 3 of the container body 2 is sandwiched between the cylindrical wall 22 and the inner ring 23. To be.

  Therefore, when the ball valve is provided below the inner ring of the threaded portion as in the former cap described in FIG. 1 of Patent Document 2, the mold structure becomes complicated due to the close proximity of the inner ring and the intake cylinder. Therefore, the molding accuracy of the inner ring and the intake cylinder may be lowered. On the other hand, when the ball valve is provided above the inner ring, the appearance of the intake cap protrudes greatly on the outer surface of the former cap, resulting in poor appearance.

  On the other hand, the present invention makes the threaded portion of the former cap and the foam discharge forming portion into one part by integral molding, and improves the molding accuracy of the former cap without impairing the appearance of the former cap. With the goal.

  The inventor forms a foam discharge container former cap that is screwed into a mouth portion of the container main body and a foam discharge path forming part having a foam discharge path inside as one part. In forming, if the intake cylinder is provided above the inner ring, the molding accuracy can be improved, and if the outer peripheral surface of the intake cylinder is covered by the outer shape of the integrally molded product, the appearance of the former cap is improved. I found that it was not damaged.

That is, the present invention includes a flexible container body, a former cap screwed into the mouth of the container body, and a dip tube extending from the former cap into the container body, and pressing the container body. A foam discharge container that mixes the liquid contained in the container body with the air supplied from the space in the container body and discharges it in the form of bubbles,
A cylindrical wall in which the former cap is screwed into the mouth wall of the container main body from the outside, an inner ring suspended from the inside of the cylindrical wall, a foam discharge path forming portion having a foam discharge path inside, and outside air to the container main body An intake cylinder for intake air has a housing formed by integral molding,
Provided is a foam discharge container in which an intake cylinder is provided above an inner ring, and a peripheral surface of the intake cylinder is surrounded by an outer shape of a non-intake cylinder portion of a housing.

  According to the foam discharge container of the present invention, a cylindrical wall that is screwed into the mouth portion of the container body, an inner ring that hangs down inside the cylindrical wall, a foam discharge path forming portion that has a foam discharge path inside, Since the intake cylinder for sucking outside air into the container body is formed as one part by integral molding, the number of members constituting the former cap can be reduced, and the manufacturing cost can be reduced. In this case, since the intake cylinder is provided above the inner ring, the molding accuracy of the mold used for integral molding can be improved.

  Even though the intake cylinder is provided above the inner ring, the outer periphery of the intake cylinder is surrounded by the outer shape of the housing, so that the intake cylinder does not protrude from the outer shape of the former cap. It will be excellent.

Drawing 1 is a perspective view (a) and a front view (b) of a foam discharge container of an example. 2 is a longitudinal sectional view of a former cap portion of the foam discharge container of FIG. FIG. 3 is an explanatory diagram of a liquid flow, a gas flow, and a bubble flow in the former cap of FIG. 4 is a top view (a) and a perspective view (b) of the outer cylindrical portion used by the former cap of FIG. FIG. 5 is a perspective view (a) and a partial sectional view (b) of a former cap portion of a foam discharge container according to another embodiment. FIG. 6 is a partial cross-sectional view of a former cap portion of a foam discharge container according to another embodiment. FIG. 7 is a partial cross-sectional view of a former cap portion of a foam discharge container according to another embodiment. FIG. 8 is a perspective view (a) and partial cross-sectional views (b) and (c) of a former cap portion of a foam discharge container according to another embodiment. FIG. 9 is a perspective view (a) of the foam discharge container and a cross-sectional view (b) in the vicinity of the screwed portion between the former cap of the foam discharge container and the container main body.

  Hereinafter, the present invention will be described in detail with reference to the drawings. In each figure, the same numerals indicate the same or equivalent components.

  1A is a perspective view of a foam discharge container 1 according to an embodiment of the present invention, FIG. 1B is a front view seen from the discharge port side, and FIG. 2 is a former of the foam discharge container 1 It is a longitudinal cross-sectional view of the cap 10 part.

  The foam discharge container 1 is made of plastic having flexibility, a container main body 2 in which a foamable liquid A is accommodated, and a former cap that is detachably attached to an upper end portion of the container main body 2. 10 and a dip tube 11 extending from the former cap 10 into the container main body 2, the foam discharge container 1 is in an upright state, and the body of the container main body 2 is indicated by a two-dot chain line in FIG. As shown in the figure, the liquid A contained in the container body 2 is mixed with the air supplied from the space in the container body 2 to be foamed and discharged from the discharge port 12 of the former cap 10 by being pressed and deformed. It is.

  As the material of the container body 2, so-called squeeze properties (that is, pressability and squeeze back properties) are good, polypropylene (PP), high density polyethylene (HDPE), medium density polyethylene (MDPE), and low density polyethylene (LDPE). Polyolefin resins such as polyethylene resins and polyester resins such as polyethylene terephthalate (PET) can be used singly or appropriately in combination.

  As shown in FIG. 2, the former cap 10 includes a cylindrical wall 22 that is screwed into the mouth 3 of the container body 2 from the outside, an inner ring 23 that is formed inside the cylindrical wall 22, and the former cap. A foam discharge path forming portion 24 having a foam discharge path 25 for passing bubbles formed in the direction toward the discharge port 12 and an intake cylinder 53 for sucking outside air into the container body are formed into one part by integral molding. Housing 20.

  Here, the cylindrical wall 22 has a cylindrical outer shape, and has a spiral screwed into the mouth 3 of the container body 2 on the inner surface thereof, and the inner ring 23 is a top surface in the vicinity of the cylindrical wall 22 in the housing. It depends from 28. The cylindrical wall 22 is formed so that the cylindrical wall 4 of the mouth portion 3 of the container body 2 is sandwiched between the cylindrical wall 22 and the inner ring 23 connected to the cylindrical wall 22 via an annular connecting portion (connecting ring) 29. The sealing property of the former cap 10 is ensured.

  The foam discharge path forming part 24 has a cylindrical part 24a formed on the cylindrical wall 22 and a partial spherical part 24b protruding thereon, and these are the foam discharge path forming part 24. It is formed so as to roughly cover the internal foam discharge path 25. The cylindrical part 24a on the lower side of the bubble discharge path forming part 24 is formed with a smaller diameter than the cylindrical wall 22, so that the connecting part 29 appears in the outer shape, and the cylindrical wall 22 and the bubble discharge A step portion x is formed between the path forming portions 24. With this configuration, when the outer periphery of the cylindrical wall 22 is made coincident with that of the foam discharge path forming portion 24, the occurrence of sink marks during molding due to the wall thickness of the foam discharge path forming portion 24 becoming excessively thick. Is preventing.

  One end of the foam discharge path forming part 24 is connected to a tip nozzle member 13 which is a separate part from the housing 20, and the foam discharge path 25 in the foam discharge path forming part 24 is connected to the discharge port 12 at the tip. Yes. The tip nozzle member 13 protrudes from the foam discharge path forming portion 24 in the substantially radial direction of the cylindrical wall 22, and the direction of the opening surface of the discharge port 12 (that is, the normal direction of the opening surface) is the standing direction of the container body 2. It is inclined with respect to the horizontal axis and is almost horizontal or slightly downward.

  The end of the bubble discharge path 25 opposite to the discharge port 12 is a cylindrical wall 26 that hangs down in the housing 20. As will be described later, the cylindrical wall 26 has air introduction paths p1 and p2 and a liquid introduction path q for bringing the liquid A contained in the container body 2 into a foam in the former cap 10, and a junction portion thereof. Double cylindrical members (outer cylindrical portion 30 and inner cylindrical portion 31) forming r are connected.

  The intake cylinder 53 has a ball valve 50 as an intake valve therein. That is, the ball valve 50 closes the flow path when the liquid A is discharged in a bubble shape by the pressure deformation of the container body 2, but when the pressure is released, the ball 51 falls by its own weight and opens the flow path. The outside air is caused to flow into the container body 2 to restore the deformation of the container body 2. When the resin valve is provided as the intake valve, the deformation of the container body 2 due to the pressure at the time of foam discharge is restored by the flexibility of the constituent resin of the container body 2 after the release of the pressure, and the resin is reduced by the decompression of the container body 2 associated therewith. In order to allow the outside air to flow into the container body 2 by opening the valve, it is necessary to use a highly rigid resin as the constituent resin of the container body 2. On the other hand, when the ball valve 50 is used as the intake valve as in the foam discharge container 1 of the present embodiment, the rigidity required for the container body 2 can be reduced. For this reason, the amount of resin required for forming the container body 2 can be reduced, and the container body 2 can be pressed and deformed with a light force at the time of foam discharge.

  In the foam discharge container 1, the intake cylinder 53 is located above the inner ring 23, that is, a connecting part that connects the cylindrical wall 22 and the inner ring 23 for attaching the foam discharge path forming part 24 to the container body 2. (Connecting ring) 29 is formed above, and the peripheral surface of the intake cylinder 53 is surrounded by the outer shape of the non-intake cylinder portion of the housing 20, and a groove 55 is formed around the peripheral surface of the intake cylinder 53. It is characterized by that. Here, the fact that the intake cylinder 53 is formed above the inner ring 23 means that the intake cylinder 53 and the inner ring 23 do not overlap in the vertical direction, in other words, the lower end portion (groove 55) of the intake cylinder 53. ) 53a is formed above the upper end 23a of the inner ring 23. For this reason, according to this foam discharge container 1, when the lower end portion 53a of the intake cylinder 53 is located below the upper end portion 23a of the inner ring 23, the intake cylinder 53 and the inner ring 23 overlap each other in the vertical direction. In comparison, the complexity of the mold used for the integral molding of the housing 20 is reduced, and thereby the molding accuracy can be improved. Further, since the peripheral surface of the intake cylinder 53 is surrounded by the outer shape of the non-intake cylinder portion of the housing 20, more specifically, the partial spherical portion 24 b that forms the upper portion of the housing 20, The intake cylinder 53 does not protrude, and the design is excellent.

  On the other hand, in the foam discharge container 1 of the present embodiment, the configuration of the air introduction path and the liquid introduction path in the former cap 10 for foaming the liquid A contained in the container body 2 in the former cap 10. Although there is no particular limitation, for example, as shown in FIG. 2, an air introduction path p (p1, p2) and a liquid introduction path q are formed, and foamed at the junction r, the first and second meshes 40, 41 can be discharged.

  That is, in the former cap 10, the outer cylindrical portion 30 and the inner cylindrical portion 31 fitted into the outer cylindrical portion 30 are attached to the integrally molded housing 20. FIG. 3 is a cross-sectional view showing these fitted states and the flow of liquid and gas, and FIG. 4 is a top view (a) and a perspective view (b) of the outer cylindrical portion 30. As shown in these drawings, the outer cylindrical portion 30 and the inner cylindrical portion 31 are such that the inner wall of the outer cylindrical portion 30 and the outer wall of the inner cylindrical portion 31 are directly opposed to each other at the lower portions 30a and 31a. However, in the upper portions 30b and 31b, the cylindrical wall 26 hanging from the housing 20 is opposed so that the inner wall of the outer cylindrical portion 30 and the outer wall of the inner cylindrical portion 31 are sandwiched.

  The outer cylindrical portion 30 has a lower end serving as a dip tube holder 32 into which the dip tube 11 is inserted, and the inside of the outer cylindrical portion 30 communicates with the inserted dip tube 11. This dip tube 11 is bent in a dogleg shape so that the liquid A in the container body 2 can be discharged without any residue when the foam discharge container 1 is tilted to the discharge port 12 side, and its tip opening is formed. The bottom of the container body 2 is directed toward the discharge port 12.

  The inner cylindrical portion 31 has a bottomed cylindrical shape, and the closed bottom portion faces the dip tube 11 side. The inner cylindrical portion 31 has a first mesh 40 at the opening end opposite to the dip tube 11, and the downstream thereof is connected to the bubble discharge path 25 and the discharge port 12. A second mesh 41 is further provided in the foam discharge path 25.

  The first air introduction path p <b> 1 is between a step 34 provided in the circumferential direction on the inner wall of the upper edge of the outer cylindrical portion 30, and the annular convex portion 27 of the cylindrical wall 26 of the housing 20 that covers the step 34. Is formed.

  The air intake port p0 of the first air introduction path p1 is 1 in a region opposite to the discharge port 12 of the first air introduction path p1 (that is, a range of 90 degrees from a position opposite to the discharge port 12). The annular convex portion 27 of the cylindrical wall 26 is cut and opened at a location, and the first air introduction path p1 communicates with the upper space 2a in the container body 2 by the air intake port p0. Yes.

  The second air introduction path p2 is formed so as to be branched from the first air introduction path p1, and has six vertical sections from the step 34 on the inner wall of the outer cylindrical portion 30 to the confluence portion r in the center. It is formed by a gap between the groove 35 and the cylindrical wall 26 of the housing 20 and a gap between the inner wall of the stepped portion 30 c of the outer cylindrical portion 30 and the inner cylindrical portion 31.

  The liquid introduction path q is formed by a gap between the longitudinal groove 36 formed in the inner wall of the lower portion 30a of the outer cylindrical portion and the lower portion 31a of the inner cylindrical portion, and is connected to the dip tube 11 at the end opposite to the joining portion r. Communicate.

  The junction r is a junction between the second air introduction path p2 and the liquid introduction path q, and communicates with the inside of the inner cylindrical portion 31 through a communication hole 33 formed in the inner cylindrical portion 31.

  This foam discharge container 1 is used as follows. First, in a state where the foamable liquid A is accommodated in the container body 2, the body part of the container body 2 is pressed and recessed. As a result, the internal pressure in the container body 2 is increased, and as shown in FIG. 3, the liquid A passes through the dip tube 11 and branches at the plurality of liquid introduction paths q and is supplied to the plurality of junctions r. The air B in the upper space of the container body 2 passes through the first air introduction path p1 and a plurality of second air introduction paths p2 branched therefrom from the air intake opening p0 that is open in the region opposite to the discharge port 12 of the shaped portion 30. To be supplied to a plurality of merging sections r. As a result, the liquid A is uniformly bubbled at the plurality of merging portions r, and the bubbles C are discharged into the inner cylindrical portion 31 through the communication holes 33, where the bubbles C formed at the merging portions r are merged. To do. The merged bubbles C pass through the first mesh 40 and the second mesh 41 in order to improve the quality of the bubbles, and are discharged from the discharge port 12. Next, when the pressure on the container body 2 is released, the ball 51 of the ball valve 50 falls to its latching position due to its own weight, and the ball valve 50 is opened. As a result, air outside the container enters the container body 2 and the container While the inside of the main body 2 returns to normal pressure, the container main body 2 returns to the shape before pressing due to the flexibility of the container main body 2. Thereafter, the liquid A in the container body 2 can be discharged in the form of bubbles by repeating this pressing and releasing thereof.

  As described above, according to the foam discharge container 1 of the present embodiment, a plurality of air introduction paths p and liquid introduction paths q are provided to mix air and liquid, thereby improving gas-liquid mixing efficiency and homogenizing the foam quality. can do.

  Moreover, according to this foam discharge container 1, since the air intake port p0 is formed on the opposite side to the discharge port 12 of the 1st air introduction path p1, in discharging the liquid A in foam shape, the container main body 2 Even when the container body 2 is tilted in the direction of the discharge port 12 when the body portion is pressed, the air intake port p0 is not easily blocked by the liquid A. For this reason, it is possible to prevent the foam quality from being lowered due to the air intake port p0 being blocked with the liquid A.

  Further, the air intake port p0 is formed at the upper end of the outer cylindrical portion 30, that is, directly below the bubble discharge passage 25 extending substantially horizontally, and is maximally separated from the liquid surface of the liquid A in the container body 2. Take the position. Therefore, even when the liquid A in the container body 2 bubbles, it is possible to prevent the air intake port p0 from being blocked by the bubbles, and it is possible to discharge good bubbles.

  In addition, the merging portion r is located within the vertical width of the mouth portion 3 of the container body 2, in other words, the mouth portion 3 and is located inside the cylinder having a screw on the outer wall, and the air intake port p0. In order to separate the liquid A from the liquid surface of the liquid A, it is not necessary to position the gas-liquid merging portion above the upper edge of the cylinder forming the mouth portion 3 of the container body 2. Therefore, according to this foam discharge container 1, the former cap 10 can be made compact.

  Moreover, according to this foam discharge container 1, since the cylindrical wall 26 of the housing 20 is inserted between the outer cylindrical part 30 and the inner cylindrical part 31, these fitting forces can be increased. Therefore, even when a rotational force is applied to the dip tube 11 to change the direction of the tip part of the dip tube 11 when the foam discharge container 1 is transported, the direction of the tip part of the dip tube 11 is not easily changed.

  The present invention can take various aspects. For example, the outer shape of the housing 20 surrounding the peripheral surface of the intake cylinder 53 is not limited to the stepped columnar shape in which the cylindrical wall 22, the cylindrical portion 24 a, and the partial spherical portion 24 b are sequentially overlapped except in the vicinity of the discharge port 12. For example, a partial spherical portion may be formed in a dome shape on the cylindrical wall 22, and the bubble discharge path 25 may be formed in the dome-shaped partial spherical portion.

  Further, like the foam discharge container 1B of FIG. 5, the former cap 10B may be provided with a ceiling wall 56 that covers the upper surface of the intake cylinder 53, and the intake holes 54 may be opened sideways. Thus, even when the liquid A bubbles in the container body 2 due to shaking of the foam discharge container 1B and the bubbles are ejected from the intake holes 54, the bubbles are ejected sideways, and the grooves around the intake cylinder 53 Therefore, useless liquid dripping can be prevented. Further, it is possible to prevent the intake holes 54 from being clogged with dust.

  As in the former cap 10C of FIG. 6, when the housing 20 is integrally molded, a plate-like intake hole cover 57 extending from the edge of the groove 55 around the intake cylinder 53 is integrally molded, bent at the base, and broken lines As described above, the intake hole 54 may be opened and closed. This also prevents dust from being clogged in the intake hole 54 and prevents the user from touching the intake hole 54 unnecessarily because the intake hole 54 does not touch the user's eyes.

  As in the former cap 10D of FIG. 7, when the housing 20 is integrally formed, a plate-like intake hole cover 58 extending from the top wall 56 of the intake cylinder 53 is integrally formed, bent at the base, and intake air as indicated by a broken line. You may make it cover the hole 54 so that opening and closing is possible. This also prevents dust from being clogged in the intake hole 54 and prevents the user from touching the intake hole 54 unnecessarily because the intake hole 54 does not touch the user's eyes.

  As in the former cap 10E of FIG. 8A, a bottomed cylindrical intake cylinder cap 59 that covers the intake cylinder 53 by being inserted into the groove 55 around the intake cylinder 53 is detachable from the housing 20. You may form separately. In this case, the intake cylinder cap 59 is preferably provided with an air intake hole 60 or a slit. FIG. 5B is a cross-sectional view of the vicinity of the intake cylinder 53 before the intake cylinder cap 59 is inserted into the groove 55, and FIG. 6C is the vicinity of the intake cylinder 53 after the intake cylinder cap 59 is inserted into the groove 55. FIG.

  Further, in the foam discharge container according to the present invention, when mixing the air and the liquid by providing a plurality of air introduction paths p and liquid introduction paths q, the step 34 at the upper edge of the outer cylindrical portion 30 or the outer cylindrical shape is provided. Instead of forming the first and second air introduction passages p1 and p2 by the groove 35 on the inner wall of the upper part 30b of the part, the upper part of the cylindrical wall 26 and the inner cylindrical part 31 facing the outer cylindrical part 30 The air introduction path p may be formed by providing a groove on the outer wall of 31b.

  Similarly, instead of forming the liquid introduction path q by the groove 36 on the inner wall of the lower part 30a of the outer cylindrical part, the liquid introduction path q is formed by forming a groove on the outer wall of the lower part 31a of the inner cylindrical part. May be.

  In the foam discharge container of the present invention, the shape of the discharge port is not particularly limited, and an applicator such as a comb may be attached. Moreover, the arrangement positions of the first and second meshes 40 and 41 can be appropriately changed, and the number of mesh arrangements may be reduced or increased.

  The foam discharge container of the present invention is useful as a container for discharging cosmetics used for hair, face, body and the like, detergents used for baths, kitchens, toilets, and the like in a foam form.

DESCRIPTION OF SYMBOLS 1, 1B, 1p Foam discharge container 2 Container main body 3 Mouth part 4 Cylindrical wall of container main body 10, 10B, 10C, 10D, 10E, 10p Former cap 11 Dip tube 12 Discharge port 13 Tip nozzle member 20 Housing 21 Screwing Part 22 Cylindrical wall 23 Inner ring 24 Foam discharge path forming part 24a Cylindrical part 24b Partial spherical part 25 Foam discharge path 26 Cylindrical wall of housing 27 Annular convex part 28 Top surface 29 Connecting part 30 Outer cylindrical part 30a Outer cylinder Lower part 30b Upper part of outer cylindrical part 30c Step part of outer cylindrical part 31 Inner cylindrical part 31a Lower part of inner cylindrical part 31b Upper part of inner cylindrical part 32 Dip tube holder 33 Communication hole 34 Step 35 Vertical groove 36 longitudinal groove 40 first mesh 41 second mesh 50 ball valve 51 ball 53 intake cylinder 54 intake hole 55 groove 5 Top wall 57 air inlet cover 58 suction holes cover 59 inlet pipe cap 60 holes A liquid B air C bubbles p0 air inlet p1 first air introduction passage p2 second air introduction path q liquid introduction path r merging portion x stepped portion

Claims (5)

A container body having flexibility, a former cap screwed into the mouth of the container body, and a dip tube extending from the former cap into the container body, are pressed into the container body, and are accommodated in the container body. A foam discharge container that mixes the liquid with the air supplied from the space in the container body and discharges it in the form of foam,
A cylindrical wall in which the former cap is screwed into the mouth wall of the container main body from the outside, an inner ring suspended from the inside of the cylindrical wall, a foam discharge path forming portion having a foam discharge path inside, and outside air to the container main body An intake cylinder for intake air has a housing formed by integral molding,
A foam discharge container in which an intake cylinder is provided above the inner ring, and a peripheral surface of the intake cylinder is surrounded by an outer shape of a non-intake cylinder portion of the housing.   The foam discharge container according to claim 1, wherein a ball valve is provided in the intake cylinder.   The foam discharge container according to claim 1 or 2, wherein the housing has a groove on the outer periphery of the intake cylinder, and the intake hole opens sideways in the intake cylinder.   The foam discharge container according to any one of claims 1 to 3, wherein a plate-like intake hole cover that covers the intake hole so as to be freely opened and closed is extended in the housing.   The foam discharge container according to claim 1, further comprising an intake cylinder cap that detachably covers the intake cylinder.

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