JP5851236B2 - Squeeze foamer container - Google Patents

Description

  The present invention relates to a squeeze foamer container that discharges contents with foam by squeezing the container.

  Inside the discharge cap from the viewpoint of simplifying the use of various liquid detergents such as shampoo, body soap, hand soap, etc. Many foamed materials such as meshes are incorporated into the product, and the contents are foamed immediately before pouring, but among them, the container has a squeezable body as a particularly simple and inexpensive container. A squeeze foamer container in which the above-described discharge cap is attached to the mouth of the container body has been proposed (see, for example, Patent Document 1).

Japanese Examined Patent Publication No. 52-16567

  However, in a conventional squeeze foamer container, when the container body is squeezed and the contents are discharged, the compressed air is released, and outside air is introduced into the container body as the container body is restored, and the contents touch the outside air. Therefore, it is not suitable for stably storing the contents for a long period of time after the start of use, and an improvement in this respect has been desired.

  SUMMARY OF THE INVENTION Therefore, the present invention proposes a squeeze foamer container that mixes contents and air and discharges the contents with bubbles, and the contents do not touch the outside air in the container. For the purpose.

The present invention has been made to solve the above problems, and a squeeze foamer container according to the present invention includes a container body for storing contents, and the contents attached to the mouth portion of the container body through the discharge port. A squeeze foamer container having a discharge cap for discharging, wherein the container main body is disposed inside the outer container having a squeeze-deformable body, and contains the contents therein. The inner container is deformable in conjunction with the squeeze operation of the outer container, and the outer container is formed with an introduction hole for introducing outside air between the outer container and the inner container, The discharge cap is provided in a communication hole communicating with the introduction hole, a first check valve provided in the communication hole, and upstream of the discharge port, and air between the outer container and the inner container and the inner container Mixed with the contents inside A mixing chamber for the air introduction passage for guiding air between the outer container and the inner container each other into the mixing chamber, the contents of introduction path for guiding the contents of the inner container to the mixing chamber, the outlet of said content introduction path and have a second check valve provided at the outlet of the air introduction passage, said second check valve, the content introduction path by the squeezing operation of the body portion fluid pressure and said air introducing path The outlet of the contents introduction path and the outlet of the air introduction path are simultaneously opened by air pressure, and the outlet of the contents introduction path and the outlet of the air introduction path are simultaneously closed by releasing the squeeze operation of the body portion. It is characterized by this.

  In the squeeze foamer container of the present invention, it is preferable that a foam member for adjusting the foam quality is disposed upstream of the discharge port.

  In the squeeze foamer container of the present invention, it is preferable to provide an orifice for narrowing the flow path in the air introduction path.

  Furthermore, in the squeeze foamer container of the present invention, it is preferable that the first check valve and the second check valve are integrally formed.

  In the squeeze foamer container of the present invention, when the user squeezes the trunk of the outer container, the air between the outer container and the inner container is pressurized and the inner container contracts, and the contents in the inner container The liquid pressure of the material is increased, the outlet of the content introduction path and the outlet of the air introduction path, which were closed by the second check valve due to the air pressure and the hydraulic pressure, are opened, and the content passes through the content introduction path and is mixed into the mixing chamber At the same time, air flows into the mixing chamber through the air introduction path. These contents and air are mixed and foamed in the mixing chamber, and discharged from the discharge port in the form of bubbles. Next, when the squeezing of the body portion is released, the outer container is elastically restored to the state before the squeezing, while the outlet of the content introduction path is closed by the second check valve, so that the space between the outer container and the inner container is reduced. The space of is decompressed. Therefore, the first check valve is opened, and the outside air flows between the outer container and the inner container.

  Therefore, according to the squeeze foamer container of the present invention, since the container main body is composed of the outer container and the inner container, the outside air does not come into contact with the contents when squeezed back, and after the use is started once, The contents can be stably stored over a period of time. Further, since the mixing chamber for mixing the contents and air is provided upstream of the discharge port, the contents can be discharged in the form of bubbles.

It is sectional drawing which shows the principal part of the squeeze foamer container of one Embodiment according to this invention. It is the elements on larger scale of FIG. It is a figure which shows the use condition (state which squeezed the trunk | drum of the outer container) of the squeeze foamer container of FIG. It is a figure which shows the use condition (state which released the squeeze of the trunk | drum of an outer container) of the squeeze foamer container of FIG.

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

  As shown in FIG. 1, this squeeze foamer container 1 is equipped with a container main body 3 for storing a liquid as a content and a mouth 3 a of the container main body 3, and the contents are discharged as bubbles through the discharge outlet 5. The discharge cap 7 is provided.

  In this embodiment, the container body 3 is composed of a delami bottle including an outer container 9 having a squeeze-deformable body and a thin inner container 11 that is detachably stacked on the inner wall of the outer container 9. . The inner container 11 accommodates contents therein and is freely deformable in conjunction with the squeeze operation of the outer container 9. In addition, as the container main body 3, you may employ | adopt the double container in which the outer container 9 and the inner container 11 were formed independently instead of a Delami bottle. It should be noted that even in the initial stage of use, the contents and air are mixed to reliably form bubbles, so that when the contents are filled into the inner container 11, an air layer is previously formed between the outer container 9 and the inner container 11. S (air) is preferably present. In the case of a delamination bottle, the squeeze foamer container 1 in which air exists in advance between the outer container 9 and the inner container 11, after forming the container body 3, the inner container 11 is evacuated and the inner surface of the outer container 9 Can be obtained by a method of filling the inner container 11 with a content less than the capacity of the inner container 11.

  Further, the outer container 9 is provided with a mouth portion 9a standing at the upper end of the trunk portion via a shoulder portion, and an introduction hole for introducing outside air between the outer container 9 and the inner container 11 into the mouth portion 9a. 13 is provided. Further, a vertical groove 15 forming a part of an air introduction path Pa described later is formed on the outer wall of the mouth portion 9a. The arrangement of the longitudinal groove 15 is not essential, and a spiral gap is provided between the screw of the mouth portion 9a of the outer container 9 and the screw of the inner peripheral surface of the mounting cylinder 23, and air is introduced through the gap. However, from the viewpoint of reducing the resistance of the air introduction path Pa, it is preferable to provide the vertical groove 15 as shown in the drawing.

  On the other hand, the discharge cap 7 mixes the contents in the inner container 11 and the air between the outer container 9 and the inner container 11 and discharges the contents in the form of bubbles. The communication hole 17 communicating with the introduction hole 13, the first check valve 19 provided in the communication hole 17, the upstream of the discharge port 5, the air between the outer container 9 and the inner container 11, and the inner container 11, the mixing chamber C1 for mixing the contents in the interior 11, the air introduction path Pa for guiding the air between the outer container 9 and the inner container 11 to the mixing chamber C1, and the contents in the inner container 11 are guided to the mixing chamber C1. It has a content introduction path Pf and a second check valve 21 provided at the outlet of the content introduction path Pf.

  As a specific structure, the discharge cap 7 forms a space with respect to the mounting cylinder 23 screwed to the mouth portion 3a of the container body 3 as shown in the illustrated example and the back surface of the top wall 23a of the mounting cylinder 23. The space between the base 25 held on the inner surface of the mounting cylinder 23 and the top wall 23a of the mounting cylinder 23 and the base 25 is located on the inner side of the mixing chamber C1 and on the outer side of the air introduction path Pa. A cylindrical body 27 that bisects the annular space C2, and a valve seat member 31 that has a liquid hole 28 and an air hole 29, and the liquid check hole 28 and the air hole 29 are closed by the second check valve 21; . Note that the mounting cylinder 23 may be fixed to the mouth portion 3a of the container body 3 through an engaging means such as an undercut.

  In the mounting cylinder 23, a nozzle 23b that forms the discharge port 5 is erected in the center of the top wall 23a, and the communication hole 17 is formed through the top wall 23a. The lower end of the mounting cylinder 23 is in airtight contact with the lower end of the mouth portion 9 a of the outer container 9. A cover cap 23c for closing the discharge port 5 is detachably provided on the outer wall of the nozzle 23b. A foam member 33 is disposed in the nozzle 23b of the mounting cylinder 23. The foam member 33 includes two rings 33a and 33a and a mesh 33b disposed on one end face of each of the rings 33a and 33a. 33b, and the contents which are inserted into the inner wall of the nozzle 23b in a state where the open ends of the rings 33a and 33a are in contact with each other, and foamed by mixing with air in the mixing chamber C1, meshes 33b and 33b. By making it pass, it becomes a uniform foam. The number of meshes 33b and 33b is not limited to the illustrated example, and may be changed as appropriate according to the desired foam quality. In addition to the meshes 33b and 33b, the contents flowing into the mixing chamber C1 may be changed. You may provide the spin element (illustration omitted) which provides a swirl flow and mixes with air in the mixing chamber C1, and forms a bubble.

  As shown in detail in FIG. 2, the base 25 is disposed so as to cover the opening of the mouth portion 3 a of the container body 3, and has a partition wall 35 having an opening forming a part of the content introduction path Pf at the center, and a partition wall The peripheral wall 37 is erected on the outer edge of the mounting cylinder 23 and is held by the inner wall of the mounting cylinder 23. The partition wall 35 accommodates and holds the lower end of the cylindrical body 27, and the inner side of the annular groove 39. An annular step portion 41 that holds the valve seat member 31 is formed. The upper surface of the partition wall 35 is formed with a plurality of flow grooves 43 having one end opened to the annular groove 39 and the other end connected to the air hole 29. The flow grooves 43 are connected to the lower surface of the valve seat member 31. A part of the air introduction path Pa is configured in cooperation, and functions as an orifice that restricts the flow rate of the air by narrowing the flow path of the air introduction path Pa. In addition, a through hole 45 that connects the longitudinal groove 15 formed in the outer wall of the mouth portion 9a of the outer container 9 and the annular space C2 is formed at the outer edge of the partition wall 35.

  The cylindrical body 27 extends in the axial direction between the partition wall 35 of the base 25 and the top wall 23a of the mounting cylinder 23, the first check valve 19 on the outer wall, and the second check valve 21 on the inner wall. Are integrally formed. The first check valve 19 is composed of an annular piece extending radially outward from the outer wall of the cylindrical body 27, and the outer edge thereof is in elastic contact with the periphery of the communication hole 17. The second check valve 21 is composed of a three-point valve that moves up and down in the axial direction according to the pressure of the contents in the inner container 11 (a valve that is connected to the inner wall of the cylindrical body 27 at three locations), Only when the contents are discharged, the liquid hole 28 and the air hole 29 of the valve seat member 31 are simultaneously opened. The second check valve 21 is not limited to a three-point valve, and may be constituted by a valve connected to the inner wall of the cylindrical body 27 at two or less places or a valve connected at four or more places. Further, the inner wall surface and the outer wall surface of the lower end portion of the cylindrical body 27 are connected to the annular space C2 and the flow groove 43 formed on the upper surface of the partition wall 35, and a part of the air introduction path Pa is formed between the annular groove portion 39 and the annular wall portion 39. A communication groove 47 to be formed is formed.

  The valve seat member 31 has a disk shape having an annular recess 31a into which the annular step portion 41 of the base 25 is fitted on the back surface, and the liquid hole 28 that forms the outlet of the content introduction path Pf is formed at the center. In addition, the air hole 29 that forms the outlet of the air introduction path Pa is formed outside the liquid hole 28. In the illustrated example, four liquid holes 28 and four air holes 29 are formed, but the number of liquid holes 28 and air holes 29 is not limited to this.

  In the squeeze foamer container 1 having such a configuration, when the user removes the cover cap 23c and the user squeezes the trunk of the outer container 9, as shown in FIG. In the meantime, the air layer S is pressurized and the inner container 11 contracts, the liquid pressure of the contents in the inner container 11 increases, and the liquid hole 28 closed by the second check valve 21 by the air pressure and the liquid pressure. The air hole 29 is opened, and the contents flow into the mixing chamber C1 through the content introducing path Pf, and at the same time, air flows into the mixing chamber C1 through the air introducing path Pa. These contents and air are mixed and foamed in the mixing chamber C <b> 1 and discharged from the discharge port 5 through the foaming member 33 in the form of foam. Next, as shown in FIG. 4, when the squeezing of the body portion is released, the outer container 9 is elastically restored to the state before the squeezing, while the liquid hole 28 and the air hole 29 are closed by the second check valve 21. The space between the outer container 9 and the inner container 11, and thus the annular space C2, is decompressed. Therefore, the first check valve 19 is opened, and the outside air flows between the outer container 9 and the inner container 11 through the communication hole 17, the annular space C <b> 2, the vertical groove 15, and the introduction hole 13. By repeating the squeezing and releasing of the body portion of the container main body 3 as described above, the contents in the container main body 3 can be discharged in the form of foam.

  Therefore, according to the squeeze foamer container 1, since the container body 3 is composed of the outer container 9 and the inner container 11, the outside air does not come into contact with the contents when squeezed back, and the use is once started. It becomes possible to store the contents stably for a long time later. Moreover, since the mixing chamber C1 for mixing the contents and air is provided upstream of the discharge port 5, the contents can be discharged in the form of bubbles.

  Moreover, according to the squeeze foamer container 1 of this embodiment, since the foam member 33 for adjusting the foam quality is disposed upstream of the discharge port 5, finer bubbles can be discharged.

  Furthermore, according to the squeeze foamer container 1 of this embodiment, since the orifice for narrowing the flow path is provided in the air introduction path Pa, only the content of air between the outer container 9 and the inner container 11 during squeezing is the content. It is possible to suppress the discharge earlier, and the contents and air can be reliably mixed in the mixing chamber C1 to form bubbles. Also, the desired foam quality can be obtained by adjusting the orifice (opening area of the flow passage) according to the liquid quality of the contents.

  Furthermore, according to the squeeze foamer container 1 of this embodiment, since the 1st check valve 19 and the 2nd check valve 21 were comprised integrally, an assembly property can be improved and a compact container can be used. Can be proposed.

  Furthermore, according to the squeeze foamer container 1 of this embodiment, the liquid hole 28 (exit of the content introduction path Pf) and the air hole 29 (air introduction path) formed in the valve seat member 31 by the second check valve 21. Since the outlet of Pa) is configured to open and close at the same time, the contents and air can flow into the mixing chamber C1 at the same time, and bubbles can be reliably generated in the mixing chamber C1.

  Moreover, according to the squeeze foamer container 1 of this embodiment, since the air layer S is provided in advance between the outer container 9 and the inner container 11, air is supplied to the mixing chamber C1 even in the initial stage of use. A thing can be reliably discharged in the state of a bubble.

  Although the present invention has been described based on the illustrated examples, the present invention can be modified as appropriate within the scope of the claims. For example, in the above embodiment, the foamed contents are directly discharged from the discharge port at the nozzle tip. However, a comb for hair dyeing or the like may be provided at the tip of the discharge cap, and the foam-like contents may be discharged through this comb.

  Thus, according to the present invention, there is proposed a squeeze foamer container that mixes contents and air and discharges the contents with bubbles, and the contents do not touch the outside air in the container. be able to.

DESCRIPTION OF SYMBOLS 1 Squeeze former container 3 Container body 5 Discharge port 7 Discharge cap 9 Outer container 11 Inner container 13 Introduction hole 17 Communication hole 19 1st check valve 21 2nd check valve C1 Mixing chamber Pa Air introduction path Pf Contents introduction path

Claims (4)

A squeeze foamer container comprising a container body for storing contents, and a discharge cap that is attached to a mouth portion of the container body and discharges contents through a discharge port,
The container body has an outer container having a squeeze-deformable body, and is disposed inside the outer container and contains the contents therein, and is freely deformable in conjunction with the squeeze operation of the outer container. And the outer container is formed with an introduction hole for introducing outside air between the outer container and the inner container,
The discharge cap is provided in a communication hole communicating with the introduction hole, a first check valve provided in the communication hole, and upstream of the discharge port, and air between the outer container and the inner container and the inner container A mixing chamber for mixing the contents inside, an air introduction path for guiding the air between the outer container and the inner container to the mixing chamber, a contents introduction path for guiding the contents in the inner container to the mixing chamber, have a second check valve provided at the outlet of the outlet and the air introduction path of the content introduction path,
The second check valve simultaneously opens the outlet of the content introduction passage and the outlet of the air introduction passage by the hydraulic pressure of the content introduction passage and the air pressure of the air introduction passage by the squeeze operation of the body portion. The squeeze foamer container is configured to simultaneously close the outlet of the content introduction passage and the outlet of the air introduction passage by releasing the squeeze operation of the body portion .   The squeeze foamer container according to claim 1, wherein a foam member for adjusting foam quality is disposed upstream of the discharge port.   The squeeze foamer container according to claim 1 or 2, wherein an orifice for narrowing the flow path is provided in the air introduction path.   The squeeze foamer container according to any one of claims 1 to 3, wherein the first check valve and the second check valve are integrally formed.

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