JP6501699B2 - Pouring container - Google Patents

Description

  According to the present invention, a container main body for containing the content liquid, a top cylindrical spout cap attached to the mouth of the container main body, and a closure plug for closing the spout provided on the top wall of the spout cap The present invention relates to a pouring container which has a lid provided and which pours out the content liquid contained in the container body from the pouring outlet, and particularly relates to one containing a relatively high viscosity liquid such as olive oil as a content liquid.

  As a container for containing the content liquid, a pouring cap is attached to the mouth of the container body containing the content liquid, and a desired amount of liquid can be easily poured out from the pouring outlet provided on the pouring cap. Pouring containers that do are known.

  Usually, the spout is formed in a cylindrical shape projecting from the top wall of the spout cap, and the spout cap is provided with a lid for closing the cylindrical formed spout. The lid is attached to the dispensing cap, for example, by a hinge so as to be openable and closable, and the back surface thereof is generally provided with a blocking plug which is inserted into the dispensing port and closes the dispensing port. Therefore, if the liquid remains in the outlet after the content liquid is poured out, when the lid is closed, the liquid may be pushed out of the outlet by the blocking plug and scattered on the back surface of the lid, etc. is there.

  Therefore, for example, in the pouring container shown in Patent Document 1, a cylindrical portion which is connected to the lower end of the cylindrical pouring outlet on the top wall provided with the pouring outlet of the pouring cap and protrudes from the top wall into the container body Is provided to lower the level of the liquid remaining in the inside of the pouring outlet after pouring out the content liquid so as to prevent the liquid from splashing to the outside when the lid is closed.

JP, 2015-196504, A

  However, even when a cylindrical portion is provided at the lower end of the cylindrical spout as in the above-described conventional pouring container, for example, when a relatively viscous liquid such as olive oil is contained as the content liquid, After the content liquid is discharged, air bubbles stay inside or immediately below the cylindrical spout, so that the liquid remains inside the spout with the liquid level high, and the liquid scatters when the lid is closed. There was a problem of that.

  An object of the present invention is to solve such problems, and an object thereof is that even if the liquid having a relatively high viscosity is contained, the liquid splashes from the outlet when the lid is closed. It is in providing the pouring container which can prevent that.

  The dispensing container according to the present invention comprises a container body for containing a content liquid, a top cylindrical dispensing cap mounted on the mouth of the container body, and a dispensing port provided on the top wall of the dispensing cap. And a lid provided with a closure plug for closing the container, the content container contained in the container body being poured out from the outlet, wherein the top wall is connected to the outlet. A cylindrical portion projecting from the top wall toward the inside of the container body is provided, and a tapered portion expanding in diameter toward the lower end of the cylindrical portion is provided on the inner peripheral surface of the cylindrical portion, and the lower end of the cylindrical portion The present invention is characterized in that a step portion in which the lower end is cut like a step is provided in a part of the circumferential direction.

  In the dispensing container according to the present invention, in the above configuration, the step portion is a flat surface perpendicular to the axial center of the cylindrical portion, and a pair of inclined surfaces in which both circumferential ends of the flat surface are connected to the lower end of the cylindrical portion. Preferably, it is provided in the range of 180 degrees in the circumferential direction of the lower end of the cylindrical portion.

  In the dispensing container according to the present invention, in the above configuration, the lid is connected to the dispensing cap so as to be able to open and close by a hinge, and the step portion is the side opposite to the side where the hinge of the lower end of the cylindrical portion is provided. It is preferable to be provided in the predetermined range in.

  In the above-described configuration, the dispensing container according to the present invention is disposed on the inside plug attached to the open end of the opening at a distance from the top wall, and on the upper surface facing the top wall of the inside plug. And a plate-like check valve for opening and closing an outlet provided in the inner plug, and the cylindrical portion projects into a space between the top wall and the inner plug and faces the check valve. Is preferred.

  In the dispensing container of the present invention according to the above-mentioned configuration, it is preferable that the dispensing outlet is formed in a cylindrical shape which protrudes from the top wall to the side opposite to the cylindrical portion.

  According to the present invention, it is possible to provide a dispensing container capable of preventing the liquid from spattering from the spout when closing the lid even though the liquid having a relatively high viscosity is contained.

It is a sectional view showing an important section of a pouring container which is one embodiment of the present invention. It is a bottom view of the inside plug shown in FIG. (A) of a cylindrical part shown in Drawing 1 is an expanded sectional view, (b) is a bottom view. (A)-(g) is a sectional view showing composition of a cylindrical part of a comparative example which can not discharge air bubbles from the inside of a pouring pipe, respectively.

  Hereinafter, the present invention will be more specifically illustrated and described with reference to the drawings. In the present specification, the side where the pouring cap is positioned is referred to as "upper" and the opposite side is referred to as "lower" with respect to the container main body placed on the horizontal surface.

  The pouring container 1 which is one embodiment of the present invention is suitable for containing, for example, a relatively viscous liquid such as olive oil as a content liquid. The content liquid contained in the pouring container 1 is preferably one having a viscosity of about 70 mPa · s (cP) to 1000 mPa · s (cP).

  As shown in FIG. 1, the dispensing container 1 comprises a container body 10, a top cylindrical dispensing cap 20 mounted on the mouth 11 of the container body 10, and a hinge H on the dispensing cap 20. It has a lid 30 integrally connected to each other, an inner plug 40 mounted on the open end of the opening 11 of the container body 10, and a check valve 50.

  The container main body 10 is formed in a bottle shape provided with a mouth portion 11 and a body portion 12, and the content liquid can be accommodated therein. In the present embodiment, the container body 10 is configured as a laminated peeling container which is a kind of double container. In this case, the container body 10 has an outer layer body 13 and an inner layer body 14, and the inner layer body 14 is accommodated inside the outer layer body 13.

  The outer layer 13 constitutes the outer shell of the container body 10 and has a shape corresponding to the container body 10. A portion of the outer layer body 13 corresponding to the body portion 12 has flexibility, and can be recessed by being squeezed (pressed), and can be restored from the recessed state to the original shape.

  The inner layer body 14 is formed in a bag shape thinner than the outer layer body 13 and is laminated on the inner surface of the outer layer body 13 so as to be peelable. The opening of the inner layer body 14 is connected to the opening end of the mouth portion 11, and the inside of the inner layer body 14 is a storage space for contents. The inner layer body 14 can be peeled off from the inner surface of the outer layer body 13 in response to the pouring of the contents from the accommodation space, and can be reduced in volume.

  At a portion corresponding to the opening 11 of the outer layer 13, a pair of outside air introduction ports 15 capable of introducing the outside air between the outer layer 13 and the inner layer 14 is provided. These external air introduction ports 15 squeeze a portion of the outer layer body 13 corresponding to the body portion 12 to pour out the content liquid to reduce the volume of the inner layer body 14 and then restore the outer layer body 13 to the original shape. At the same time, external air can be introduced into the space between the outer layer body 13 and the inner layer body 14. The external air introduction port 15 may be, for example, the trunk portion 12 of the outer layer 13 if external air can be introduced between the outer layer 13 and the inner layer 14 when the squeezed outer layer 13 is restored to the original shape. It can also be provided at other parts such as the bottom and the like.

  Such a container main body 10, which is also called a delamination container, coextrudes, for example, a synthetic resin for the lower layer and a synthetic resin for the inner layer to form a laminated parison, and the laminated parison is molded using a mold. It can be formed by blow molding.

  The double container used as the container body 10 is not limited to the laminated peeling container as described above, and an inner layer formed separately from the outer layer may be incorporated inside the outer layer.

  The pouring cap 20 is formed in a top cylindrical shape including a top wall 21 and a cylindrical mounting cylindrical portion 22 integrally provided on the outer periphery of the top wall 21. The mounting cylindrical portion 22 has a mouth portion. The outer periphery 11 is enclosed, and the top wall 21 is attached to the mouth 11 so as to cover the open end of the mouth 11.

  In the case shown in the figure, a female screw 22a is provided on the inner peripheral surface of the mounting cylindrical portion 22, and the female screw 22a is screwed to the male screw 11a provided on the outer peripheral surface of the mouth portion 11. It is attached to the part 11. The pouring cap 20 may be configured to be attached to the mouth 11 by tapping.

  A cylindrical spout 23 is integrally provided on the upper surface of the top wall 21, and the liquid contained in the container body 10 can be poured out from the spout 23. In the present embodiment, the spout 23 is formed in a cylindrical shape that curves outward while gradually expanding in diameter upward from the top wall 21, but the shape and size of the spout 23 are the container body 10. It can be variously changed according to the content, the use, etc. which are accommodated in. Moreover, the pouring spout 23 can also be formed as a hole which penetrates the term wall 21 but does not protrude from the top wall 21 without being limited to the tubular one projecting from the term wall 21.

  The lid 30 is formed in a top cylindrical shape having substantially the same diameter as the pouring cap 20, and is connected to the pouring cap 20 via a hinge H so as to be able to open and close in a part of its outer peripheral surface. The lid 30 has the locking groove 31 provided on the inner periphery of the opening edge undercut engagement with the locking projection 21 a provided on the outer peripheral edge of the top wall 21, whereby the top wall of the pouring cap 20 is 21 can be held in a covered state, that is, in a closed state. In addition, a cylindrical closure plug 32 is integrally provided on the back surface of the lid 30, and when the lid 30 is closed, the closure plug 32 is fitted to the inner peripheral surface of the spout 23 to be a spout. 23 is to be closed. On the other hand, a hook-shaped pick piece 33 projecting radially outward is integrally provided on a portion of the outer peripheral surface of the lid 30 opposite to the hinge H, and by pulling up the pick piece 33, the hinge The spout 23 can be opened by pivoting the lid 30 in the direction away from the spout cap 20 about H.

  The inside plug 40 is attached to the open end of the mouth 11 and covers the open end. A cylindrical engaging wall 41 which rises upward is integrally provided on the outer peripheral edge of the inner plug 40, and the upper end of the engaging wall 41 abuts on the lower surface of the top wall 21 of the pouring cap 20. ing. Thus, a predetermined distance is provided between the inner plug 40 and the top wall 21.

  As shown in FIG. 1 and FIG. 2, the inside plug 40 is provided with an outlet hole 42 for the content liquid. The outlet 42 communicates with the outlet 23 through the space between the inner plug 40 and the top wall 21, and the liquid contained in the container body 10 is directed to the outlet 23 through the outlet 42. Can flow out. In the present embodiment, the outflow hole 42 is provided at a position shifted to the side of the hinge H with respect to the spout 23.

  As shown in FIG. 1, the check valve 50 is formed in a plate shape (disk shape) and is disposed on the top surface facing the top wall 21 of the inner plug 40 to close the outflow hole 42. An annular wall 51 is disposed between the top wall 21 and the inner plug 40, and the check valve 50 is connected to the annular wall 51 by a plurality of elastically deformable legs 52. Thereby, the check valve 50 can be moved in a direction approaching or separating from the upper surface of the inner plug 40 to open and close the outflow hole 42.

  In the space between the top wall 21 and the inside plug 40, a portion inside the annular wall 51 is divided into a flow path of liquid, and a portion outside the annular wall 51 is divided into a flow path of gas.

  The inner plug 40 is provided with a cylindrical tubular wall 43 located on the opposite side of the outflow hole 42 from the hinge H and extending toward the inside of the container body 10. Further, at the lower end of the cylindrical wall 43, a reduced diameter portion 43a whose inner diameter is narrowed as going downward is provided. Inside the cylindrical wall 43, the valve body 44 formed spherically (ball) with steel materials, resin, etc. is arrange | positioned. When the container body 10 is in the inclined posture in which the cylindrical spout 23 is directed downward, the valve body 44 moves the inside of the cylindrical wall 43 toward the spout 23 side. When the container body 10 is returned to the upright position (upright position) so that the cylindrical spout 23 faces upward after the content liquid is poured out, the valve body 44 is moved to the inside of the cylindrical wall 43. It moves downward until it abuts on the reduced diameter portion 43 a, and the content liquid remaining in the spout 23 is sucked toward the inside of the cylindrical wall 43. As a result, the remaining amount of liquid inside the spout 23 can be reduced to prevent dripping from the spout 23. Thus, the valve body 44 functions as a suck back mechanism for preventing liquid dripping from the spout 23.

  The lower end of the mounting cylindrical portion 22 of the pouring cap 20 is airtightly fitted to the lower portion of the opening 11 of the container body 10, whereby an air flow path is formed between the opening 11 and the mounting cylindrical portion 22. P is provided. The air flow path P is in communication with the outside air introduction port 15.

  On the other hand, an opening 24 is provided in the top wall 21 of the pouring cap 20, and the opening 24 is an air flow through a through hole 45 provided in the connecting portion between the inner plug 40 and the engaging wall 41. It is in communication with the passage P. In addition, the slit S which comprises a part of air flow path P is provided in the external thread 11a.

  An air check valve 53 for opening and closing the opening 24 is integrally provided on the outside of the annular wall 51. The air check valve 53 functions to allow introduction of external air from the opening 24 to the air flow path P and to block the flow of air from the air flow path P to the opening 24. Therefore, when squeezing the body portion 12 of the container main body 10 for pouring out the content liquid, air is held between the outer layer body 13 and the inner layer body 14 to easily push out the content liquid from the inner layer body 14 Can. Further, when the squeeze of the body portion 12 is released after the content liquid is poured out, outside air is introduced between the outer layer body 13 and the inner layer body 14 through the opening 24, the air flow path P and the outside air introduction port 15. The portion corresponding to the body portion 12 of the outer layer body 13 can be restored to the original shape while the volume reduction deformation is performed. Thus, after the content liquid is poured out, outside air is prevented from flowing from the spout 23 into the inside of the inner layer body 14 along with the restoration of the trunk 12, and the contents contained in the inner layer body 14 are converted into air. It is difficult to touch, and the deterioration of the quality can be suppressed.

  A cylindrical portion 60 is integrally provided on the lower surface of the top wall 21 of the pouring cap 20. The cylindrical portion 60 is connected to the lower end of the cylindrical spout 23 and constitutes a flow path for spouting the content liquid together with the spout 23. The cylindrical portion 60 projects from the top wall 21 into the container body 10, that is, into the space between the top wall 21 and the inner plug 40, and the lower end of the cylindrical portion 60 has a predetermined distance to the check valve 50. It is open and facing.

  As shown in FIG. 3A, on the lower end side of the inner peripheral surface of the cylindrical portion 60, a tapered portion 61 whose diameter increases toward the lower end of the cylindrical portion 60 is provided. For example, the inclination angle of the tapered portion 61 with respect to the axial direction of the cylindrical portion 60 is 45 degrees, but can be appropriately selected depending on the contents. Although the taper portion 61 reaches the outer peripheral surface of the cylindrical portion 60, it may be configured so as not to reach the outer peripheral surface.

  Further, at a part of the lower end of the cylindrical portion 60 in the circumferential direction, a step portion 62 in which the lower end of the cylindrical portion 60 is cut away in a step shape is provided. In the case shown, the step portion 62 is provided at a range of 180 degrees in the circumferential direction on the side opposite to the side where the hinge H of the lower end of the cylindrical portion 60 is provided, and is recessed upward with respect to the lower end of the cylindrical portion 60 It has a shape. As shown in FIG. 3B, the step portion 62 has a flat surface 62a perpendicular to the axial center of the cylindrical portion 60 and a pair of inclined surfaces 62b connecting both ends of the flat surface 62a in the circumferential direction to the lower end of the cylindrical portion 60. And is shaped.

  Thus, the lower end of the cylindrical portion 60 provided coaxially with the cylindrical spout 23 is formed into a shape having the tapered portion 61 and the step portion 62, whereby the content liquid has a relatively high viscosity such as olive oil. Even when a high liquid is contained, when bubbles are generated inside the spout 23 or immediately below the cylindrical portion 60 after the content liquid is poured out, the bubbles are released upward from the cylindrical portion 60 and the spout 23 As a result, air bubbles can be prevented from remaining inside the injection port 23. That is, the tapered portion 61 is provided on the inner peripheral surface on the lower end side of the cylindrical portion 60 so that the air bubbles immediately below the cylindrical portion 60 can easily enter the inside of the cylindrical portion 60 and the step portion 62 is formed at the lower end of the cylindrical portion 60. By providing the liquid in the spout 23 and the cylindrical portion 60 with bubbles, the liquid can be easily discharged downward from the cylindrical portion 60, and the liquid level of the liquid remaining in the spout 23 can be lowered. Thereby, it can prevent that the liquid level inside the pouring pipe | tube becomes high by the bubble which remains inside the pouring outlet 23, and it can prevent that a liquid disperses at the time of closing the cover body 30. FIG. Further, by providing the step portion 62, even when the check valve 50 abuts on the lower end of the cylindrical portion 60 at the time of pouring out the content liquid, the flow of the content liquid through the step portion becomes possible, and operability ( It is possible to suppress a drop in the feeling of use.

  FIGS. 4 (a) to 4 (g) are cross-sectional views showing the configuration of the cylindrical portion of the comparative example in which air bubbles can not be discharged from the inside of the pouring barrel, respectively.

  The inventors examined the cylindrical portion 70 of various shapes as the cylindrical portion 70 of the comparative example of the cylindrical portion 60 of the present invention. 4 (a) shows the configuration of a comparative example in which neither a tapered portion nor a step portion is provided in the cylindrical portion 70, FIG. 4 (b) shows the configuration of a comparative example in which only the tapered portion is provided in the cylindrical portion 70, FIG. The configuration of the comparative example in which the cylindrical portion 70 is not provided at the lower end of the pouring spout 23, FIG. 4D shows the configuration of the comparative example in which only the step portion of U-cut is provided without providing the tapered portion in the cylindrical portion 70, FIG. (E) does not provide the tapered part in the cylindrical part 70, but the configuration of the comparative example provided only the step part in the front step cut shape, FIG. 4 (f) does not provide the tapered part in the cylindrical part 70, The configuration of the comparative example in which the groove is provided, and FIG. 4G shows the configuration of the comparative example in which the lower end of the cylindrical portion 70 is cut obliquely. However, according to the shape of any of the comparative examples shown in FIGS. 4 (a) to 4 (g), the bubbles in the inside of the spout 23 or immediately below the cylindrical portion 70 after the content liquid is poured out are the cylindrical portion 70 and the spout 23 It was not possible to escape upward through the above, and the effects as in the present invention could not be obtained.

  It is needless to say that the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the invention.

  For example, as the container main body 10, not only a double container but a normal container can also be used. In this case, the dispensing cap 20 can be configured not to be provided with the check valve 50, the opening 24, and the check valve 53 for air.

DESCRIPTION OF SYMBOLS 1 pouring container 10 container main body 11 opening 11a external thread 12 body 13 outer layer 14 inner layer 15 outside air introduction port 20 outside cap 20 top wall 21a locking projection 22 mounting cylinder 22a female screw 23 outlet 24 opening 30 lid Body 31 locking groove 32 closing plug 33 knob piece 40 inner plug 41 engaging wall 42 outlet hole 43 cylindrical wall 43a reduced diameter portion 44 valve body 50 check valve 51 annular wall 52 leg 53 air check valve 60 cylinder Part 61 Tapered part 62 Stepped part 62a Flat surface 62b Inclined surface 70 Cylindrical part H Hinge P Air flow path S Slit

Claims (5)

A container body for containing the content liquid, a top cylindrical spout cap attached to the mouth of the container body, and a closure plug for closing the spout provided on the top wall of the spout cap It is a pouring container which has a lid and which pours out contents liquid stored in the container body from the pouring outlet,
The top wall is provided with a cylindrical portion connected to the spout and projecting from the top wall into the container body.
A tapered portion which is expanded in diameter toward the lower end of the cylindrical portion is provided on the inner peripheral surface of the cylindrical portion,
The dispensing container characterized in that a stepped portion formed by notching the lower end in a step-like manner is provided at a part of the lower end of the cylindrical portion in the circumferential direction.   The stepped portion has a flat surface perpendicular to the axial center of the cylindrical portion and a pair of inclined surfaces connecting both ends in the circumferential direction of the flat surface to the lower end of the cylindrical portion, and the circumferential direction of the lower end of the cylindrical portion The dispensing container according to claim 1, wherein the dispensing container is provided in a range of 180 degrees. The lid is openably and closably connected to the pouring cap by a hinge,
The dispensing container according to claim 1, wherein the stepped portion is provided in a predetermined range on the side opposite to the side on which the hinge of the lower end of the cylindrical portion is provided. An internal plug attached to the open end of the mouth at a distance from the top wall, and an upper surface of the internal plug facing the top wall, the outlet provided in the internal plug It has a plate-like check valve that opens and closes,
The dispensing container according to any one of claims 1 to 3, wherein the cylindrical portion protrudes into a space between the top wall and the inner plug and faces the check valve.   The pouring container according to any one of claims 1 to 4, wherein the pouring outlet is formed in a cylindrical shape that protrudes from the top wall to the opposite side to the cylindrical portion.

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