JP4756955B2 - Discharge cap - Google Patents

Description

  The present invention relates to a discharge cap provided with a discharge port for discharging contents contained in a container body, and a discharge container having a discharge cap attached thereto.

  Conventionally, as a container for discharging the contents contained in the container body, for example, slits are provided at equal intervals in the squeeze port, and when discharging the contents, the flow resistance changes according to them, and in a star-shaped cross-sectional shape There is a container cap that can continuously squeeze the contents (see, for example, Patent Document 1).

In addition, by pressing the tube body, the content pushed out from the inner hole is discharged without touching the outer hole, and further, the content protruding from the inner hole is blocked by the wall of the outer hole, so that it is exposed to the outside. There is an extruded tube that protrudes and prevents the periphery of the mouth from being soiled (see, for example, Patent Document 2).
JP 2005-96776 A Registered Utility Model No. 30331141

  In the container cap of Patent Document 1, for example, when a content that is somewhat viscous is poured out, there is a problem that the liquid content adheres to the outer peripheral edge of the dispensing cylinder. Further, in the extruded tube of Patent Document 2, when the contents are discharged while the extruded tube is inclined obliquely, the contents discharged from the inner hole tend to fall in the direction of gravity. There is a risk that the contents may adhere to the periphery of the outer hole in contact with the side portion.

  Accordingly, the present invention provides a discharge capable of preventing the contents from adhering to the periphery of the discharge port, particularly the gravity direction side, even when discharging in a state where the axial direction of the discharge cylinder is inclined in a direction different from the gravity direction. An object is to provide a cap and a discharge container having a discharge cap attached thereto.

  The present invention is a discharge cap in which a discharge port is formed at the tip of a discharge cylinder protruding from the top surface, and when the discharge cylinder is discharged in a state inclined with respect to the direction of gravity, the contents are lowered by gravity. The above object is achieved by providing a discharge cap provided with a flow path guide protrusion in the vicinity of the discharge port on the inner wall of the discharge cylinder opposite to the guided side.

  Further, the present invention achieves the above object by providing a discharge container to which the above-mentioned discharge cap is attached and the viscosity of the contents discharged from the container main body through the discharge port is 2000 to 420,000 mPa · s. It is a thing.

  The present invention relates to a discharge cap in which a discharge port is formed at the tip of a discharge cylinder protruding from the top surface or a discharge cap to which the discharge cap is attached, and discharges in a state where the discharge cylinder is inclined with respect to the direction of gravity. Since the flow path guide protrusion is provided in the vicinity of the discharge port on the inner wall of the discharge cylinder opposite to the side where the contents are guided downward, the content discharged through the discharge cylinder The flow path is changed upward by the flow path guide protrusion on the inner wall of the discharge cylinder to prevent contamination due to the contents adhering to the periphery of the discharge port, and the attachment of the top cover etc. covering the discharge port is good To.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. The discharge cap 10 of the present embodiment shown in FIGS. 1 to 3 has, as contents, for example, mayonnaise, ketchup, pizza sauce, soft butter, which is a relatively high-viscosity liquid having an apparent viscosity of 2000 mP · s to 420000 mP · s. , A soft synthetic resin container body 11 containing cream, soft chocolate and the like, which is screwed onto the neck portion of the container body 11 to form a discharge container 12 together with the container body 11. Further, the discharge cap 10 of the present embodiment holds the container body 11 of the discharge container 12 and discharges the contents in a state where the discharge cylinder 14 having the discharge port 13 formed at the tip is inclined with respect to the direction of gravity. As shown in FIG. 6 (b), the contents discharged from the discharge port 13 are curled downward and effectively prevented from contacting and adhering to the lower portion of the discharge port 13. It is used to make it possible.

  And the discharge cap 10 of this embodiment is a cap in which the discharge port 13 was formed in the front-end | tip of the discharge cylinder 14 protruded from the top | upper surface 15, Comprising: As shown also to FIG.4 (a)-(c), When the contents are discharged in a state where the discharge cylinder 14 is inclined substantially horizontally with respect to the direction of gravity, the discharge port on the inner wall of the discharge cylinder 14 opposite to the side where the contents are guided downward by gravity In the vicinity of 13, a flow path guide protrusion 16 is provided.

  Moreover, in this embodiment, the discharge cap 10 is provided with the upper cover 18 hinged to the cap main body 17 in which the discharge cylinder 14 was provided, as shown in FIGS. 1-3, and the discharge container 12 is generally hinged. Since the channel guide projection 16 is used while being tilted with the 19 side facing up, the flow path guiding projection 16 is on the hinge 19 side on the opposite side of the inner wall of the discharge cylinder 14 from which the contents are guided downward by gravity. Will be provided.

  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. By grasping and pressing the container body 11 filled with the contents therein, the container body 11 as a flexible container is deformed and the contents are easily discharged from the discharge port 13 of the discharge tube 14. Be able to.

  The contents stored in the container main body 11 are effectively eliminated from the curling to the lower side at the time of discharge as shown in FIG. 6B by the discharge cap 10 of this embodiment. The ink is discharged as shown. The contents discharged in this manner preferably have a viscosity of 2000 to 420,000 mPa · s at 20 ° C., and more preferably have a viscosity of 2000 to 250,000 mPa · s at 20 ° C. 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 body 11 varies depending on the temperature, but the discharge cap 10 according to the present invention has a lower side when the contents are discharged in a state of 4000 to 320,000 mPa · s. The function of eliminating curling of the head will be demonstrated more effectively.

  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 19. The upper lid 18 is pivotally connected to the peripheral edge portion of the cap body 17 via a hinge 19, and a locking portion provided at the lower inner peripheral edge portion of the upper lid 18 is provided on the upper outer peripheral edge portion of the hinge 19, for example. 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.

  As shown in FIGS. 2 to 4, the discharge cylinder 14 protruding 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 a substantially truncated cone shape. The contents formed in the container main body 11 include a base portion 14a and a cylindrical discharge port portion 14b. The tip of the discharge port portion 14b is, for example, a discharge port 13 having an inner diameter of about ~ mm. However, when it is extruded or discharged by discharge pressure (including gravity), it is discharged so as to be in contact with substantially the entire inner periphery of the discharge port portion. Further, on the inner wall of the discharge port portion 14b located in the vicinity of the discharge port 13, a flow path guide protrusion 16 having a substantially fan-shaped cross section, for example, protrudes inward in the radial direction of the discharge port portion 14b from the hinge 19 side portion. Is provided.

  Here, in the present invention, the flow path guide protrusion 16 has a discharge cylinder as described later when the height protruding from the inner wall of the discharge port 14b is H and the inner diameter of the discharge port 14b is D. 14, in order to draw the contents passing through the lower side of the flow path guide protrusion 16 by the viscosity of the contents, the content passing through the flow path 14 is blocked by the flow path guide protrusion 16 and 0.15D <H <0. 4D is preferably 80D, more preferably 0.15D <H <0.50D, and the flow path guide protrusion 16 is on the hinge 19 side of the discharge port portion 14b (FIGS. 4A to 4C). Is preferably provided in a region not exceeding the upper half of the discharge port portion 14b. The flow path guide protrusion 16 is a protrusion, and the shape of the discharge port 14b in the cross section is composed of an inner arc of the discharge port 14b and a string connecting both ends of the arc. It is required that it is not something.

  Further, the flow path guide protrusion 16 can be provided as a simple rib-shaped protrusion in the vicinity of the discharge port 13 (see FIGS. 5A and 5B), but in a direction along the flow path of the discharge cylinder 14. By providing it to extend in a considerable length (see FIGS. 4 (a) and 4 (c)), the function of drawing the flow path of contents discharged from the discharge port 13 described later upward and guiding it (FIG. 4 (c) and FIG. 5 (b)) can be more effectively exhibited. Note that the flow path guide protrusions may have, for example, a cone shape or a pyramid shape, and a plurality of flow path guide protrusions may be provided in the discharge cylinder 14. For example, the thing of the shape shown to Fig.8 (a)-(d) is also employable.

  And according to the discharge cap 10 and the discharge container 12 of the present embodiment, even when holding the discharge container 12 and discharging the contents in a state where the axial direction of the discharge cylinder 14 is inclined in a direction different from the gravity direction, It is possible to effectively avoid that the contents adhere to the periphery of the discharge port 13, particularly on the gravity direction side, and become dirty. That is, according to the present embodiment, the flow path guide protrusion 16 is provided in the vicinity of the discharge port 13 on the inner wall of the discharge cylinder 14 on the side opposite to the side where the content is guided downward by gravity. Since the flow path is blocked by the flow path guiding projection 16 at the upper portion when passing through the discharge cylinder 14, the contents passing below the flow path guiding projection 16 are shown in FIG. As indicated by the arrow 5 (b), the viscosity is drawn upward while being drawn around the lower side of the flow path guide protrusion 16 and then discharged from the discharge port 13, so the discharged content is As shown in FIG. 6 (a), it is guided downward by gravity through a position away from the top surface 15 of the cap body 17 on which the discharge cylinder 14 is provided. Accordingly, it is possible to prevent contamination due to the contents adhering to the top surface 15 around the discharge port 13 and to improve the attachment of the upper lid 18 covering the discharge port 13.

  The present invention is not limited to the above-described embodiment, 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. In addition, the discharge cap does not necessarily need to have an upper lid connected via a hinge, and does not have to be an integrally formed upper lid and cap body. It is also possible to explicitly use the circumferential position where the flow path guiding projection portion to be positioned at the upper side during discharge is provided on the outer peripheral surface of the discharge cap. A discharge cylinder may be provided on the top surface of the cap so as to protrude in a direction shifted from the vertical direction. Furthermore, it is not always necessary to provide the flow path guide protrusion so as to face the opening peripheral edge of the discharge port in the discharge cylinder. If it is in the vicinity of the discharge port, for example, as shown in FIG. 16 'can also be provided in a part away from the discharge port 13, and even when it is provided at such a position, the function of drawing the contents upward can be effectively exhibited. Furthermore, the contents contained in the container body and discharged through the discharge cylinder of the discharge cap may be high-viscosity such as toothpaste.

It is a front view of the discharge container with which the discharge cap which concerns on preferable one Embodiment of this invention was attached. It is a perspective view of the discharge cap which concerns on preferable one Embodiment of this invention. It is sectional drawing of the discharge cap which concerns on preferable one Embodiment of this invention. (A) is sectional drawing of the discharge cylinder provided in the discharge cap, (b) is a front view of the discharge cylinder, (c) is a schematic diagram explaining the function of the discharge cylinder. (A) is sectional drawing of the discharge cylinder of the other form provided in the discharge cap, (b) is a schematic diagram explaining the function of the discharge cylinder. (A) is a side view explaining the effect by the discharge cap which concerns on preferable one Embodiment of this invention, (b) is a side view explaining the subject by the conventional discharge cap. It is a schematic diagram explaining the function of the discharge cylinder of the other form provided in the discharge cap. (A)-(d) is the schematic front view which illustrates the other shape of a flow-path guidance protrusion part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Discharge cap 11 Container main body 12 Discharge container 13 Discharge port 14 Discharge cylinder 14a Discharge cylinder base 14b Discharge cylinder discharge port 15 Discharge cap top surface 16, 16 'Flow path guide projection 17 Cap body 18 Upper lid 19 Hinge

Claims (5)

A discharge cap having a discharge port formed at the tip of a discharge cylinder protruding from the top surface,
When the discharge cylinder is discharged in a state inclined with respect to the direction of gravity, a flow path guide protrusion is provided in the vicinity of the discharge port on the inner wall of the discharge cylinder opposite to the side where the contents are guided downward by gravity. And
The flow path guide protrusion is a discharge cap provided so as to face an opening peripheral edge of the discharge port in the discharge cylinder .   The discharge cap according to claim 1, further comprising an upper lid hinged to a cap body provided with the discharge cylinder, wherein the flow path guide protrusion is provided on the hinge side of the inner wall of the discharge cylinder.   The discharge cap according to claim 1, wherein the flow path guide protrusion extends in a direction along the flow path of the discharge cylinder. Discharge cap according to claim 1 is attached, dispensing container viscosity of the contents to be discharged from the container body through the discharge port is 2000~420000 mPa · s.   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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