JP2012091845A - Cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap that inhibits the attaching of a content liquid to the inside of a surrounding toric wall part provided on a lid body after shaking a container.SOLUTION: The cap 1a has a spherical recess 32a inside the surrounding toric wall 31 mounted on the lid body 3, so that the amount of adhesion of content liquid such as a dressing or the like onto the inside of the surrounding toric wall 31 mounted on the lid body 3 is reduced as much as possible when the lid body 3 is removed from the cap body 2 after the lid body 3 has been threadedly engaged to the cap body 2 to be mounted for the container 4 to be shaken.

Description

  The present invention relates to a cap that is put on the mouth of a container filled with a viscous liquid such as a dressing or a sauce.

  In general, when the content liquid is dressing, etc., shake the container well with the cap in the mouth of the container just before use, stir the content liquid, then remove the cap and use the content liquid There are many. At that time, in the conventional cap, when the cap is removed after the container is shaken, an annular wall portion protrudes from the top surface portion of the cap, so that it is surrounded by the back surface of the top surface portion and the annular wall portion. The content liquid adhered to the area, particularly near the boundary between the two. In this state, if the cap is opened and the content liquid is to be used, the content liquid adhering to the back surface of the cap may drop or adhere to the hand. Further, when the cap to which the content liquid is attached is again crowned on the mouth portion of the container, the content liquid attached to the cap may adhere to the mouth portion of the container and dripping.

  Patent Document 1 proposed to solve the above-described problem includes a cap including a cap body attached to a mouth portion of a container body, and an upper lid screwed onto the cap body. The upper cover is surrounded by an annular cylinder that is pressed against the inner wall of the upper end portion of the extraction cylinder with the upper cover attached to the cap body on the inner side of the top cover. A cap having a hemispherical or conical protrusion in the region and radial ribs connecting the base of the annular cylinder and the base of the protrusion between the annular cylinder and the protrusion.

JP 2007-145353 A

  However, the cap according to Patent Document 1 has been proposed in order to prevent the liquid content from dripping onto the outer wall of the cap or the outer wall of the container body. The content liquid that adheres when the container is shaken is quickly moved to the center and shaken off. The flow finally reaches a plurality of radial ribs arranged around the protrusion, and the ribs hold the content liquid and try to prevent dripping when the lid is opened. It is not intended to suppress liquid adhesion.

  This invention is made in view of this point, and provides a cap which suppresses adhesion of the content liquid to the inner side surrounded by the annular wall provided in the lid after shaking the container. Objective.

As a means for solving the above-mentioned problems, the present invention described in claim 1 is a cap including a cap body attached to a mouth portion of a container and a lid attached to the cap body. The cap body includes a cylindrical pouring portion projecting upward from the periphery of the spout, and the lid body has an outer peripheral surface abutting against the inner circumferential surface of the cylindrical pouring portion and the cylindrical pouring portion. An annular wall portion that closes the protruding portion is provided, and a concave portion having a curved or conical surface from the periphery of the annular wall portion toward the center of the lid is provided on the inner side surrounded by the annular wall portion. It is characterized by.
In the invention of claim 1, for example, when the content liquid in the container is dressing or the like, the container is shaken immediately before use, but when the container is shaken with the lid attached to the cap body, the mouth of the container The content liquid splashed from the spout of the cap body fitted to the inside of the concave portion provided on the inner side surrounded by the annular wall portion of the lid body is curved toward the center of the lid body from the peripheral edge of the annular wall portion. Or, it flows along the conical surface and further along the inner wall surface of the cylindrical pouring part of the cap body, so that it quickly falls into the container, so when the lid is removed from the cap body after shaking the container, The adhesion amount or residual amount of the content liquid such as dressing on the inner side surrounded by the annular wall portion can be reduced as much as possible.

The invention described in claim 2 is the invention described in claim 1, wherein the recess is a spherical recess.
In the invention of claim 2, the amount of the content liquid adhered to the inside surrounded by the annular wall portion of the lid can be further reduced.

According to the cap of the present invention, after attaching the lid to the cap body and shaking the container, when the lid is removed from the cap body, dressing to the inside surrounded by the annular wall portion of the lid, etc. Since the adhesion of the content liquid is suppressed as much as possible, when the lid is opened and the content liquid is to be used, the content liquid can be prevented from dropping or adhering to the hand. In addition, when the lid is attached to the cap body again, there is no inconvenience that the content liquid adhered to the lid body adheres to the cap body.
In addition, in the present cap, a concave portion, preferably a spherical concave portion, having a curved or conical surface from the periphery of the annular wall portion toward the center of the lid body is formed on the inner side surrounded by the annular wall portion of the lid body. Since it is only formed, the shape is simplified and the manufacturing cost can be suppressed.

FIG. 1 is a cross-sectional view showing a state in which a cap according to the first embodiment of the present invention is attached to the mouth of a container. FIG. 2 is a cross-sectional view of a lid that is a configuration of a cap according to the first embodiment of the present invention. FIG. 3 is a diagram showing a main part of a lid body of a cap according to the second embodiment of the present invention. FIG. 4 is a diagram showing a main part of a cap lid according to the third embodiment of the present invention. FIG. 5 is a diagram illustrating an embodiment of a cap in which a lid is connected to a cap body via a hinge portion.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to FIGS.
As shown in FIG. 1, a cap 1a according to the first embodiment of the present invention is made of synthetic resin, and is cap-attached to a mouth 5 of a container 4 and screwed to the cap body 2. And the lid 3.

  The container 4 to which the cap 1 is attached is filled with content liquid such as dressing having a relatively high viscosity. An engaging portion 6 having a trapezoidal cross section is provided on the mouth portion 5 of the container 4 so as to protrude outward.

As shown in FIG. 1, the cap body 2 has a substantially cylindrical shape, and an annular fitting portion 10 to be attached to the mouth portion 5 of the container 4 and a content liquid provided on the upper portion thereof are poured into the lower portion thereof. The cylindrical extraction part 19 is provided. This will be described in detail below.
An annular shoulder 7 surrounding the outer side of the cylindrical lower side wall 9 protrudes from the cap body 2, and a cylindrical body 8 is suspended from the outer peripheral end of the shoulder 7. An annular fitting portion 10 is provided between the body portion 8 and the cylindrical lower side wall portion 9. The cylindrical lower side wall portion 9 is formed slightly shorter than the trunk portion 8. An engagement protrusion 11 is formed on the inner peripheral surface of the lower portion of the body 8 so as to protrude inward. On the other hand, an engagement protrusion 12 that protrudes outward is also formed on the outer peripheral surface of the cylindrical lower side wall portion 9. A cylindrical engagement portion 13 is provided between the body portion 8 and the cylindrical lower side wall portion 9 so as to be concentrically suspended from the shoulder portion 7. The cylindrical engagement portion 13 is formed to be significantly shorter than the body portion 8 and the cylindrical lower side wall portion 9.

  In addition, the cap body 2 is formed with a cylindrical upper side wall portion 15 that is continuous from the cylindrical lower side wall portion 9 and located above the lower side wall portion 9. On the outer peripheral surface of the cylindrical upper side wall portion 15, a screw portion 18 that is screwed into a screw portion 30 provided on the inner peripheral surface of the cylindrical wall portion 27 of the lid 3 is formed. A cylindrical extraction portion 19 is disposed concentrically inside the cylindrical upper side wall portion 15. The upper end of the cylindrical upper side wall portion 15 is integrally connected to the outer peripheral surface of the cylindrical pouring portion 19 at a substantially intermediate position in the vertical direction. The lower end opening of the cylindrical pouring part 19 is an outlet 20 for the contents, and a stopper 21 that closes the pouring outlet 20 is provided on the inner peripheral surface of the lower end of the cylindrical pouring part 19 by a weakening part 22 that extends in the circumferential direction. Connected. The cylindrical pouring part 19 guides the content liquid poured out from the pouring port 20 in the pouring direction. The stopper 21 is integrally formed with a ring-shaped gripping portion 23 for cutting the weakening portion 22 and opening the spout 20. The stopper 21 is curved so as to be slightly convex downward. This is to prevent the finger from interfering with the upper surface of the stopper 21 when the user puts the finger into the ring-shaped grip portion 23.

  As shown in FIGS. 1 and 2, the lid 3 is provided with a cylindrical body portion 26 that is suspended from the outer peripheral end of the disk-shaped zenith portion 25. The body portion 26 is curved so as to gradually increase in diameter at a height of about 2/3 with respect to the total height of the body portion 26 from the zenith portion 25, and then the lower portion is suspended substantially linearly. A cylindrical wall portion 27 that is concentrically suspended from the zenith portion 25 is provided inside the trunk portion 26. The height of the cylindrical wall portion 27 is set to about 1/3 of the height of the body portion 26. A screw portion 30 is formed on the inner peripheral surface of the cylindrical wall portion 27 to be screwed with the screw portion 18 provided on the outer peripheral surface of the cylindrical upper side wall portion 15 of the cap body 2. Further, an annular wall portion 31 that is concentrically suspended from the zenith portion 25 is provided inside the cylindrical wall portion 27. When the lid body 3 is screwed onto the cap body 2, the outer peripheral surface of the annular wall portion 31 of the lid body 3 comes into contact with the upper inner peripheral surface of the cylindrical extraction portion 19 of the cap body 2, and the cylindrical shape. The dispensing part 19 is closed. Further, a spherical concave portion 32 a facing downward is formed integrally with the annular wall portion 31 on the inner side surrounded by the annular wall portion 31.

  When the cap body 2 is driven into the mouth portion 5 of the container 4, as shown in FIG. 1, an annular fitting portion 10 between the body portion 8 and the cylindrical lower side wall portion 9 of the cap body 2. The mouth 5 of the container 4 is fitted inside. As a result, the engagement protrusion 11 provided on the body portion 8 of the cap body 2 and the engagement protrusion 6 provided on the mouth portion 5 are engaged with each other and provided on the cylindrical lower side wall portion 9 of the cap body 2. The engaging protrusion 12 presses the mouth part 5 outward, and the tip of the engaging protrusion 6 of the mouth part 5 is formed between the cylindrical lower side wall part 9 and the cylindrical engaging part 13 of the cap body 2. The cap body 2 is firmly attached to the mouth portion 5 of the container 4 while being fitted therebetween.

  Thereafter, the screw portion 30 provided on the inner peripheral surface of the cylindrical wall portion 27 of the lid 3 and the screw portion 18 provided on the outer peripheral surface of the cylindrical upper side wall portion 15 of the cap body 2 are screwed together to cap the cap. The lid 3 is screwed to the main body 2. As a result, the outer peripheral surface of the annular wall portion 31 of the lid 3 is brought into contact with the upper inner peripheral surface of the cylindrical extraction portion 19 of the cap body 2, and the cap main body 2 is caused by the annular wall portion 31 of the lid 3. After the cylindrical pouring portion 19 of the cap body 2 is closed and the spout 20 of the cap body 2 is opened, a spherical recess 32a provided inside the cap body 2 surrounded by the annular wall portion 31 and the cap body The two outlets 20 face each other.

  When the content liquid in the container 4 is used for the first time, the lid 3 is removed from the cap body 2 and the ring-shaped gripping portion 23 is pulled upward, so that the stopper 21 and the cylindrical pouring portion 19 are removed. After the weakened portion 22 between the lower end inner peripheral surface is cut and the spout 20 is opened, the content liquid in the container 4 is used.

Thereafter, when the content liquid in the container 4 is used, if the content liquid is, for example, dressing, the content liquid in the container 4 is shaken well with the lid 3 screwed onto the cap body 2. Stir to use. At this time, by shaking the container 4, the content liquid in the container 4 is scattered via the spout 20 of the cap body 2 into the spherical recess 32 a provided on the inner side surrounded by the annular wall portion 31 of the lid 3. However, the liquid does not stay on the inner surface of the spherical recess 32a, or flows radially along the spherical surface, and flows from the outermost peripheral edge of the spherical recess 32 to the inner wall surface of the cylindrical outlet 19 of the cap body 2. It quickly flows down into the container 4. As a result, even if the lid 3 is removed from the cap body 2 after the container 4 is shaken, the amount of content liquid attached to the inner side (the surface of the spherical recess 32a) surrounded by the annular wall 31 of the lid 3 or The remaining amount is reduced as much as possible.
In the present embodiment, the above-described effects can be achieved not only in a low-viscosity content liquid but also in a relatively high-viscosity content liquid such as dressing.

As described above, in the cap 1a according to the first embodiment of the present invention, the spherical recess 32a is provided on the inner side surrounded by the annular wall portion 31 of the lid 3, and the outermost wall of the annular wall portion 31 is provided. Since the peripheral part is in contact with the inner wall surface of the cylindrical pouring part 19, the flow of the content liquid is promoted, and the lid 4 is attached by screwing the lid 3 to the cap body 2 and shaking the container 4. When the body 3 is removed from the cap body 2, the amount of adhesion or remaining amount of content liquid such as dressing on the inside surrounded by the annular wall 31 of the lid 3 can be reduced as much as possible.
Thus, when the lid 3 is opened and the content liquid is to be used, the content liquid can be prevented from dropping or adhering to the hand. In addition, when the lid 3 is attached to the cap body 2 again, there is no inconvenience that the content liquid adhering to the lid 3 adheres to the cap body 2 and drips.

Next, a cap 1b according to a second embodiment of the present invention will be described with reference to FIG.
When describing the cap 1b according to the second embodiment, only differences from the cap 1a according to the first embodiment will be described.
In the cap 1b according to the second embodiment, on the inner side surrounded by the annular wall portion 31 provided on the lid body 3, a curved surface from the periphery of the annular wall portion 31 toward the center of the lid body 3 is provided. A concave portion 32b having the shape is formed. In the present embodiment, the flat surface 35 is formed on the lower surface of the zenith portion 25 of the lid body 3 in a circular range set by the diameter D1 with the approximate center of the zenith portion 25 as the center. The diameter D1 of the flat surface 35 is set to about 1/3 of the diameter D2 of the circular range of the zenith portion 25 surrounded by the annular wall portion 31. The radial length L ((D2-D1) / 2) in the range in which the inner peripheral surface of the recess 32b extends in a curved shape is set to be larger than the height H of the annular wall portion 31.

Next, a cap 1c according to a third embodiment of the present invention will be described with reference to FIG.
When describing the cap 1c according to the third embodiment, only differences from the cap 1a according to the first embodiment will be described.
In the cap 1c according to the third embodiment, on the inner side surrounded by the annular wall portion 31 provided on the lid 3, a conical surface extending from the periphery of the annular wall 31 toward the center of the lid 3 is provided. A concave portion 32c having a conical shape, that is, a frustoconical concave portion 32c is formed. In the present embodiment, a flat surface 35 is formed on the lower surface of the zenith portion 25 of the lid 3 in a circular range set with a diameter D3 centered on the approximate center of the zenith portion 25.
In addition, you may provide the conical recessed part 32c in the inner side enclosed by the annular | circular shaped wall part 31 of the cover body 3 without providing the flat surface 35. FIG.

  And also in the caps 1b and 1c which concern on the 2nd and 3rd embodiment of this invention, there can exist an effect similar to the cap 1a which concerns on 1st Embodiment.

  The caps 1a to 1c according to the first to third embodiments of the present invention include a cap body 2 that is attached to the mouth portion 5 of the container 4 and a lid body 3 that is screwed onto the cap body 2. As shown in FIG. 5, the cap main body 2 and the lid body 3 connected to the cap main body 2 via a hinge portion 37 may be used.

  1a to 1c cap, 2 cap body, 3 lid body, 4 container, 5 mouth part, 19 cylindrical pouring part, 20 pouring port, 31 annular wall part, 32a spherical recessed part, 32b, 32c recessed part

Claims (2)

A cap comprising a cap body attached to the mouth of the container and a lid attached to the cap body,
The cap body includes a cylindrical pouring part protruding upward from the periphery of the spout,
The lid body includes an annular wall portion whose outer peripheral surface abuts on the inner peripheral surface of the cylindrical extraction portion and closes the cylindrical extraction portion, and on the inner side surrounded by the annular wall portion, A cap comprising a concave portion having a curved or conical surface from the periphery of the annular wall portion toward the center of the lid.   The cap according to claim 1, wherein the recess is a spherical recess.

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