JP4756956B2 - Discharge cap - Google Patents

Description

  The present invention relates to a discharge cap including a cap body having a discharge port on a top surface, an upper lid connected to the cap body via a hinge portion, and a discharge container having the discharge cap attached thereto.

  2. Description of the Related Art Conventionally, a discharge cap is known that includes a cap body having a discharge port on the top surface and an upper lid connected to the cap body via a hinge portion. In such a discharge cap, the top surface of the cap body is generally circular, and the discharge port is provided at the center of the top surface.

In addition, in the discharge cap of the type that closes the discharge port by inserting the insertion rod protruding from the back surface of the upper lid into the discharge port of the cap body, the discharge port and the insertion rod are A pouring cap (hinge cap) is also disclosed in which the opening and closing rotation of the upper lid can be smoothly performed by providing it by being shifted to the opposite side of the hinge portion (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 9-226801

  On the other hand, some discharge caps of the hinge cap type do not use insertion rods for opening and closing the discharge port, and the container body to which the discharge cap is attached has a relatively high viscosity of, for example, about 2000 to 420,000 mPa · s. When the contents of viscosity are stored, if the contents are discharged from the discharge port in a state where the container body is tilted from the vertical direction instead of being vertically inverted, it is lowered below the discharge port by gravity. The contents easily adhere to the periphery of the cap body on the side opposite to the hinge portion positioned. When the attached contents extend beyond the top surface of the cap body to the side surface of the cap body, it becomes difficult to perform an operation of rotating the upper lid to open and close, and a dirty impression is given and the aesthetic appearance is impaired.

  The present invention can effectively suppress the content discharged from the discharge port from adhering to the side surface of the cap body beyond the top surface of the cap body, and the content discharged from the periphery of the discharge port is attached. Even so, an object of the present invention is to provide a discharge cap capable of easily and smoothly wiping the contents, and a discharge container having the discharge cap attached thereto.

  The present invention is a discharge cap including a cap body having a discharge port on the top surface and an upper lid connected to the cap body via a hinge portion, from the discharge port to the top surface periphery on the hinge portion side. The discharge port in which the discharge port is provided so as to be shifted to the hinge portion side on the top surface so that the length from the discharge port to the periphery of the top surface opposite to the hinge portion is longer than the length. The above object is achieved by providing a cap.

  In addition, the present invention provides a discharge container in which the discharge cap is attached to the neck of the container body, and the viscosity of the contents discharged from the container body through the discharge port is 2000 to 420000 mPa · s. This achieves the above object.

  According to the discharge cap of the present invention or the discharge container attached with the discharge cap, the contents discharged from the discharge port effectively adhere to the side surface of the cap body beyond the top surface of the cap body. While being able to suppress, even if the content discharged around the discharge port adheres, the content can be easily and smoothly wiped off.

  As shown in FIG. 1, the discharge cap 10 according to the first preferred embodiment of the present invention is, for example, a liquid having a relatively high apparent viscosity, such as a viscosity of 2000 mPa · s to 420000 mPa · s. Which is screwed into the mouth portion of a soft synthetic resin container body 11 containing mayonnaise, ketchup, pizza sauce, soft butter, cream, soft chocolate, etc., and constitutes a discharge container 12 together with the container body 11 It is. In addition, the discharge cap 10 of the first embodiment holds the container body 11 of the discharge container 12 and, for example, tilts the discharge cylinder 14 having the discharge port 13 formed at the tip downward to discharge the contents, When the discharge container 12 is erected with the discharge cylinder 14 facing upward again, as shown in FIG. 8 (conventional discharge cap), the content 20 ′ discharged from the discharge port 13 ′ becomes the cap body 17 ′. In order to prevent the content 20 ′ from adhering to the side surface 16 ′ of the cap body 17 ′ from exceeding the top surface 15 ′, and to easily and smoothly wipe off the content 20 ′ adhering to the top surface 15 ′. It is used to do.

  As shown in FIGS. 2 and 3, the discharge cap 10 according to the first embodiment includes a cap body 17 having a discharge port 13 on the top surface 15 and an upper peripheral edge portion of the cap body 17 via a hinge portion 19. And a top surface 15 on the side opposite to the hinge portion 19 from the discharge port 13 rather than a length L1 from the discharge port 13 to the periphery of the top surface 15 on the hinge portion 19 side. The discharge port 13 is provided so as to be shifted to the hinge portion 19 side on the top surface 15 so that the length L2 to the peripheral edge becomes longer.

  Further, in the first embodiment, the discharge port 13 is formed at the tip of the discharge cylinder 14 protruding from the top surface 15 of the cap body 17 of the discharge cap 10, and the discharge cylinder 14 is on the hinge surface 19 side on the top surface 15. It is provided so as to be close to each other.

  The container body 11 is formed by blow molding, for example, LDPE (low density polyethylene) as a soft synthetic resin, and is a flexible container that can be flexibly deformed. And the container main body 11 as a flexible container is deformed by gripping and pressing the container main body 11 filled with the contents therein, and the contents can be easily removed from the discharge port 13 of the discharge cylinder 14. It can be discharged now.

  The content stored in the container body 11 is, for example, 2000 to 420000 mPa · s at 20 ° C. as a viscosity that is liable to cause problems due to adhesion of the content 20 ′ discharged in the conventional discharge cap 10 ′ (see FIG. 9). A viscosity of 2000 to 250,000 mPa · s at 20 ° C. is preferred. Moreover, in the actual use state, it is preferable that the viscosity of the content accommodated in the container main body 11 is 4000 to 320,000 mPa · s at 10 ° C. That is, the viscosity of the contents stored in the container main body 11 varies depending on the temperature, but the discharge cap 10 of the present invention has the above-mentioned when the viscosity of the contents is discharged in a state of 4000 to 320,000 mPa · s. The function to solve the problems of the prior art will be more effectively exhibited.

  The discharge cap 10 attached to the neck portion of the container main body 11 is a synthetic resin molded product integrally formed with the cap main body 17 and the upper lid 18 being connected via a hinge portion 19. The upper lid 18 is pivotally connected to the upper peripheral edge portion of the cap body 17 via the hinge portion 19, and, for example, a locking portion provided at the lower inner peripheral portion of the upper lid 18 is connected to the upper outer peripheral edge of the hinge portion 19. The top surface 15 of the cap body 17 from which the discharge cylinder 14 protrudes is opened and closed by being detachably locked to the locked portion provided in the portion.

  The discharge cylinder 14 that protrudes upward from the top surface 15 of the cap body 17 is a hollow cylindrical portion that communicates with the inside of the container body 11, and has an inner diameter of, for example, a size of about 2.5 to 10 mm. The discharge port 13 is formed as an opening.

  Here, in the first embodiment, the top of the hinge part 19 from the center of the discharge port 13 (discharge cylinder 14) along the diameter direction with the center of the hinge part 19 on the top surface 15 of the cap body 17 as one end. When the length to the periphery of the surface 15 is L1, and the length from the center of the discharge port 13 (discharge cylinder 14) to the periphery of the top surface 15 opposite to the hinge portion 19 is L2, the length L2 is greater than L1. Need to be longer. As shown in FIG. 4A, when an inner ring (annular protrusion) 30 that can be fitted to the inner periphery of the discharge cylinder 14 is provided on the top inner wall 18a of the upper lid 18, the inner ring 30 is It is necessary to secure the length L1 necessary for fitting into the discharge cylinder 14. As shown in FIG. 4B, an outer ring (annular protrusion) 31 that can be fitted to the outer periphery of the discharge cylinder 14 is provided on the top inner wall 18a of the upper lid 18, or as shown in FIG. Further, by cutting out the hinge part 19 side of the discharge cylinder 14 as a notch 32, the opening end of the discharge cylinder 14 and the annular protrusions 30 and 31 provided on the top inner wall 18a of the upper lid 18 are formed. The fitting can be facilitated.

  According to the discharge cap 10 and the discharge container 12 of the first embodiment, the content discharged from the discharge port 13 adheres to the side surface 16 of the cap body 15 beyond the top surface 15 of the cap body 17. Can be effectively suppressed, and even if the content discharged around the discharge port 13 adheres, the content can be easily and smoothly wiped off. That is, according to the first embodiment, the length from the discharge port 13 to the periphery of the top surface 15 on the side opposite to the hinge portion 19 is longer than the length L1 from the discharge port 13 to the periphery of the top surface 15 on the hinge portion 19 side. The discharge port 13 is provided on the top surface 15 so as to be shifted toward the hinge portion 19 so that the length L2 becomes longer. Therefore, when the contents are discharged by opening the upper lid 18 and tilting the container body 11, the discharge is normally performed with the hinge portion 19 on the upper side and the side opposite to the hinge portion 19 on the lower side. Even after the discharge container 12 is returned to the standing state after the high-viscosity content is discharged downward from the discharge port 13, the content 20 adheres to the top surface 15 as shown in FIG. The length L2 to the periphery of the surface 15 is likely to be within the range of a wide area where the length L2 is increased, and thus it is possible to effectively avoid the discharged content 20 reaching the side surface 16 of the cap body 15. Become.

  Further, even if the contents 20 adhere to the top surface 15 around the discharge cylinder 14 in which the discharge port 13 is formed, the side opposite to the hinge portion 19 in which the length L2 to the periphery of the top surface 15 is increased is wide. Since the content 20 adheres within the range of the region, it is possible to easily wipe off the attached content 20.

  FIG. 6 shows a discharge cap 21 according to the second embodiment of the present invention. In the discharge cap 21 of the second embodiment, in addition to the configuration of the cap 10 of the first embodiment, a hinge base 22 is provided so as to protrude outward from the upper peripheral edge portion of the cap body 17 and the lower peripheral edge portion of the upper lid 18. The hinge portion 19 connects the cap body 17 and the upper lid 18 via the hinge base 22 at a position away from the periphery of the top surface 15 of the cap body 17. Also with the discharge cap 21 of the second embodiment, the same effects as the cap 10 of the first embodiment are exhibited, and a considerable length is maintained between the hinge portion 19 and the discharge port 13. Therefore, even in the case of a hinge cap of a type in which the discharge port 13 is opened and closed using the insertion rod on the back side of the upper lid 18, the opening and closing rotation operation of the upper lid 18 can be performed smoothly.

  FIG. 7 shows a discharge cap 23 according to the third embodiment of the present invention. In the discharge cap 23 of the third embodiment, in addition to the configuration of the cap 10 of the first embodiment, in the region on the opposite side of the hinge portion 19 sandwiching the discharge port 13 of the top surface 15 of the cap body 17, A curved recess 24 that increases the surface area of the top surface 15 is provided. The discharge cap 23 of the third embodiment also provides the same effects as the cap 10 of the first embodiment, and increases the surface area of the top surface 15 while maintaining ease of wiping by the curved recess 24. Thus, the discharged content 20 can be more effectively suppressed from adhering to the side surface 16 beyond the top surface 15 of the cap body 17.

  FIG. 8 shows a discharge cap 25 according to the fourth embodiment of the present invention. In the discharge cap 25 of the fourth embodiment, in addition to the configuration of the cap 10 of the first embodiment, in the region on the opposite side of the hinge portion 19 sandwiching the discharge port 13 of the top surface 15 of the cap body 17, An overhang portion 26 that increases the surface area of the top surface 15 is provided, and the over lid 18 is provided with an overhang lid portion 27 that overlaps the overhang portion 26. The discharge cap 25 of the fourth embodiment also provides the same operational effects as the cap 10 of the first embodiment, and increases the surface area of the top surface 15 while maintaining the ease of wiping by the overhanging portion 26. Thus, the discharged content 20 can be more effectively suppressed from adhering to the side surface 16 beyond the top surface 15 of the cap body 17.

  The present invention is not limited to the above-described embodiments, and various modifications can be made. For example, the discharge cap of the present invention is used by being attached to the neck of other various containers such as a pump container and a tube container capable of discharging the contents by a pump device in addition to a flexible deformable container. You can also. The contents contained in the container main body and discharged through the discharge port of the discharge cap may be a highly viscous material such as toothpaste.

It is a front view of the discharge container with which the discharge cap which concerns on preferable 1st Embodiment of this invention was attached. It is a perspective view of the discharge cap which concerns on preferable 1st Embodiment of this invention. It is sectional drawing of the discharge cap which concerns on preferable 1st Embodiment of this invention. (A)-(c) is sectional drawing of the discharge cap which illustrates the state which makes the cyclic | annular protrusion provided in the top | upper surface inner wall of an upper cover fit a discharge cylinder. It is a schematic diagram explaining the function of the discharge cap which concerns on preferable 1st Embodiment of this invention. It is a schematic diagram of the discharge cap which concerns on preferable 2nd Embodiment of this invention. It is a schematic diagram of the discharge cap which concerns on preferable 3rd Embodiment of this invention. It is a schematic diagram of the discharge cap which concerns on preferable 4th Embodiment of this invention. It is a schematic diagram explaining the subject by the conventional discharge cap.

Explanation of symbols

10, 21, 23, 25 Discharge cap 11 Container body 12 Discharge container 13 Discharge port 14 Discharge cylinder 15 Cap body top surface 16 Cap body side surface 17 Cap body 18 Upper lid 19 Hinge portion 20 Contents 22 Hinge base 24 Curved recess 26 Overhanging lid 27 Overhanging lid

Claims (5)

A discharge cap comprising a cap body having a discharge port on the top surface and an upper lid connected to the cap body via a hinge part,
The discharge port has the top surface such that the length from the discharge port to the top surface periphery opposite to the hinge portion is longer than the length from the discharge port to the top surface periphery on the hinge portion side. In the hinge part side ,
A discharge cap provided with a curved recess for increasing the surface area of the top surface in a region of the top surface opposite to the hinge portion across the discharge port . A discharge cap comprising a cap body having a discharge port on the top surface and an upper lid connected to the cap body via a hinge part,
The discharge port has the top surface such that the length from the discharge port to the top surface periphery opposite to the hinge portion is longer than the length from the discharge port to the top surface periphery on the hinge portion side. In the hinge part side,
A discharge cap provided with an overhanging portion for increasing the surface area of the top surface in a region opposite to the hinge portion across the discharge port of the top surface . 3. The discharge cap according to claim 1 , wherein the discharge port is formed at a distal end of a discharge tube protruding from the top surface, and the discharge tube is provided to be shifted toward the hinge portion side on the top surface. The discharge cap according to any one of claims 1 to 3 is attached to the mouth of the container body, and the viscosity of the contents discharged from the container body through the discharge port is 2000 to 420000 mPa · s. A certain discharge container. The discharge container according to claim 4, wherein the container main body is a flexible container, and the flexible container is deformed to discharge the contents.

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