JP3667424B2 - cap - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cap, and more particularly, to a cap with a lid body, in which a top cover of a cap main body to be fitted to a mouth and neck portion of a container body or the like is provided with a cut lid surrounded by a thin-walled fracture portion.
[0002]
[Prior art]
A top wall that closes the top opening of the neck and neck is extended from the top edge of the peripheral wall that is fitted to the outer periphery of the neck and neck of a container body, etc., and a pouring cylinder is erected in the center of the top surface of the top wall. A cap body provided with a cut-out lid surrounded by a thin broken portion on the top wall, and a lid body that rotatably connects the rear part to the rear part of the body and closes the top surface of the cap body so as to be opened and closed. Synthetic resin caps are known.
[0003]
These caps, for example, extend a pull ring located horizontally above the cut lid through a bar-like projection standing upright from the upper surface of the cut lid, and pulling up the pull ring breaks the thin-walled fracture portion and opens the cap body. However, the liquid can be poured out.
Further, in this conventional type cap, the shape of the cut-off lid is generally formed in a circular shape along the inner peripheral edge of the dispensing cylinder.
[0004]
[Problems to be solved by the invention]
However, in the circular opening along the inner peripheral edge of the above-described dispensing cylinder, there is a possibility that inconvenience that the liquid ejects vigorously and leaks in an undesired direction when the liquid is dispensed. In particular, this type of cap is often attached to a considerably large container body. As a result, the cap itself is also increased in size, and thus the opening is extremely large, and the above-described disadvantage is likely to occur.
[0005]
These inconveniences can be eliminated if the area of the cut-out lid is extremely small, but this time there is a problem that the amount of liquid dispensed is reduced.
[0006]
In view of these points, the present invention proposes a cap that can prevent the liquid from expelling at the time of pouring as much as possible without reducing the pouring amount as much as possible, and that can be easily molded integrally with a synthetic resin at low cost. Is.
[0007]
[Means for Solving the Invention]
As a first means, a pouring cylinder 6 is erected at the center of the top wall 5 extending from the upper edge of the peripheral wall 4 , and a sealing cylinder 8 is vertically suspended from the back surface of the top wall 5, and the pouring cylinder 6 is a cap body 2 having a top lid 5 with a cut-off lid 10 surrounded by a thin broken portion 9, and a rear lower end pivotably connected to the rear upper end of the main body 2 to open and close the upper surface of the cap body. In a cap for liquid pouring consisting of a cover 3 that can be covered, it is suspended from the back surface of the top wall 5 of the outer edge of the thin-walled fracture portion 9 in the seal cylinder 8 so that the diameter gradually decreases inward. A plurality of water-power suppression plates 14 are provided in a circumferential direction so as to surround the thin-walled fracture portion 9.
[0008]
Further, as the second means, in the first means, the latter half water suppression plate 14 is configured as a pair of left and right wide water suppression plates 14a and the front half water suppression plate 14 is narrow. As a plurality of water deterrent plates 14b .
[0009]
As a third means, in the first means, a pair of adjacent water flow suppression plates 14 are connected to each other by a horizontal rail 15 to provide a pair of water flow suppression plates .
[0010]
Further, as a fourth means, in the first means, the adjacent lower ends of the water suppression plates 14 are connected to each other in an annular manner by curved horizontal rails 16 that are curved downward .
[0011]
Further, as a fifth means , a pouring tube 6 is erected at the center of the top wall 5 extending from the upper edge of the peripheral wall 4 , and the thin wall breaking portion 9 surrounds the top wall 5 in the pouring tube 6. For liquid pouring comprising a cap body 2 provided with a cut-off lid 10 and a lid body 3 having a rear lower end rotatably connected to a rear upper end of the main body 2 and a cap body upper surface being covered so as to be opened and closed. in the cap, the tear-off lid 10 is, there are multiple cut lid 10a ... der long independent in the longitudinal direction.
[0012]
Further, as a sixth means, in the fifth means, the pull ring 13 connecting the upper ends of the bar-like protrusions 12a each raised from the upper surface of the cut-off lid 10a is connected horizontally to the upper side of the cut-out lid. Was located .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in the figure, the cap 1 of the present invention includes a cap body 2 and a lid 3 and is configured as an integrally formed product of synthetic resin.
[0014]
The cap body 2 is fitted and fixed to the mouth and neck of the container body, and the top wall 5 that closes the upper end opening of the mouth and neck is extended from the upper edge of the peripheral wall 4 to be fitted to the outer periphery of the mouth and neck. A pouring tube 6 is erected upward from the center of the upper surface of the top wall 5. On the inner periphery of the peripheral wall 4, a ridge 7 may be provided around the outer periphery of the neck and the neck or the like as shown in the drawing to prevent it from easily coming off or a screw ridge. Or the like may be provided around and screwed to the outer periphery of the mouth and neck. Further, at the center of the rear surface of the top wall 5, as shown in the drawing, a seal cylinder 8 may be provided so as to be liquid-tightly fitted to the upper end of the inner surface of the mouth neck and the like and prevent leakage of the liquid from that portion.
[0015]
Further, the top wall 5 in the pouring tube 6 is provided with a cut lid 10 surrounded by a thin broken portion 9, and this cut lid 10 is broken and removed at the thin broken portion 9 to be opened. The liquid inside the container is poured out from the opening through the dispensing cylinder 6.
[0016]
In the caps of the first means to the fourth means, the shape of the cut-off lid 10 is not particularly limited, but it is a circular shape that is slightly smaller than the inner diameter in accordance with the shape of the cylindrical extraction tube 6 as shown in the illustrated example. It is common to do.
[0017]
In addition, in order to cut and remove the cut-out lid 10, a finger hooking portion 11 is integrally projected from the upper surface of the cut-out lid 10. As shown in the drawing, as the finger hook portion 11 in the cap of the first means to the fourth means , as shown in the drawing, the rear end portion is integrally connected to the upper end of the rod-like protrusion 12 raised from the center of the rear portion of the cutting lid 10 and poured out. A pull ring 13 extending horizontally is provided in the upper part of the cylinder 6. In addition, this finger hook part 11 is not limited to the pull ring described above, and may simply be a bar-like protrusion standing upright, and the shape of the finger hook part used in this type of conventional cap can be adopted.
[0018]
In the first to fourth means, a plurality of water suppression plates 14 that hang down from the rear surface of the top wall 5 of the outer edge of the thin-walled fracture portion 9 so as to reduce the diameter inward are surrounded by the thin-wall fracture portion 9. Then, a plurality of circumferential directions are provided. By providing the water flow suppression plate 14, it is possible to prevent the liquid from being inadvertently ejected, and the amount dispensed per unit time is not reduced so much. The above-mentioned “hanging down so as to reduce the diameter inward sequentially” may be, for example, an arc plate shape whose lower end is located inside the upper end and swells downward, as in the embodiment shown in FIG. Although not shown, it may be an arcuate plate shape whose lower end is located on the inner side of the upper end and swells upward, and may be an inclined plate shape whose lower end is located on the inner side of the upper end as shown in FIG. However, in consideration of die cutting at the time of molding, a circular plate shape and an inclined plate shape that swell downward are more preferable.
[0019]
In the embodiment of FIGS. 1 and 2, ten water suppression plates 14 are vertically suspended at equal intervals in the circumferential direction. Each water suppression plate 14 has an arc plate shape that curves downward toward the center. The number of water suppression plates 14 is not limited to the above 10 and can be selected as appropriate. Also, the formation locations are not necessarily provided at equal intervals in the circumferential direction, and the shapes can be selected in various ways within the range in which the above basic configuration can be maintained.
[0020]
For example, as in the embodiment shown in FIGS. 3 and 4, a pair of wide water restraining plates 14a are vertically suspended at the rear half of the outer periphery of the cutout lid 10, and a narrow water restraining plate 14b is suspended at the front half. It may be configured as provided. It is very common for the liquid to be poured out from the side opposite to the connecting part of the lid 3, and since the mounted container body is not tilted and poured out to the lid side, a wide water suppression plate 14 is provided in the latter half so that the excess liquid related to inadvertent eruption is suppressed more in these wide portions.
[0021]
Further, as shown in FIGS. 5 and 6, a shape in which each pair of adjacent lower end portions of each water flow suppression plate 14 is connected by a horizontal rail 15 may be used. Each of the water flow restraint plates 14 is forced to be removed when the synthetic resin is integrally formed, so that there is no fear that the shapes of the water restraint plates 14 become uneven. Accordingly, by providing such a cross rail 15, such a disadvantage can be prevented as much as possible.
[0022]
Further, as shown in FIGS. 7 and 8, the lower ends of the water-power restraining plates 14 may be connected in an annular shape by curved horizontal bars 16 that curve downward.
[0023]
The irregularities described above can be solved more in the case of being connected in an annular shape by a horizontal rail in this way, but if it is formed in an annular shape in this way, it becomes difficult to perform die cutting. For this reason, the horizontal rails between the respective water force restraining plates 14 are respectively curved downward so that they can be elastically extended during die cutting so that the die can be easily removed.
[0024]
The lid 3 covers the upper surface of the cap body 2 so that the upper surface of the cap body 2 can be opened and closed by pivotally connecting the rear lower end to the rear upper edge of the cap body 2. The upper end 19 of the peripheral wall 18 is connected to the central portion of the rear lower end of the peripheral wall 18, and the top wall 19 covering the top of the extraction tube 6 is extended from the upper end edge of the peripheral wall 18. Further, it is preferable to project a sealing protrusion 20 that closely fits to the upper end of the inner surface of the pouring cylinder 6 from the center of the back surface of the top wall 19 and a protrusion 21 for hooking a finger on the front end of the peripheral wall 18. . Further, horizontally long locking projections 22 are provided at the lower end of the inner surface of the peripheral wall 18 at equal intervals in the circumferential direction, and the locking protrusions 24 of the locking frame 23 provided around the extraction cylinder 6 on the peripheral wall 4 of the cap body. The lid 3 is maintained in a closed state.
[0025]
The cap of the fifth means is constituted by a plurality of independent cutout lids that are long in the front-rear direction instead of the above-described configuration in which the water suppression plate is provided for the purpose of preventing the liquid from coming out.
[0026]
FIG. 9 to FIG. 11 show an example, and in this embodiment, the cap main body top wall 5 in the pouring cylinder 6 is provided with three cut-off lids 10a that are long in the front-rear direction. By providing a plurality of cutout lids 10a in this way, the liquid can be prevented from being ejected in the same manner as in the above embodiments, and the liquid can be poured out without any trouble because of its long shape in the front-rear direction. . It should be noted that the number of the lids 10a is not limited to the above-mentioned three places, and can be provided at two places or four places or more in consideration of the size of the cap.
[0027]
In addition, as shown in the example in the figure, a finger-shaped projection 12a is provided above the rear end of each cut-off lid 10a, and the rear portion is integrally connected to the upper end of each bar-shaped projection, as shown in the example. By extending the pull ring 13 horizontally in the upper part of the extraction tube 6, the entire cut-out lid 10a can be removed all at once. Note that the finger-hanging portion is not limited to the pull ring, and may have a rod-like projection or a configuration in which the upper ends of the rod-like projections are connected by connecting bars. It is convenient in that it can be easily opened.
[0028]
In the embodiment of FIGS. 9 to 11, the same parts as those of the embodiment of FIG.
[0029]
【The invention's effect】
As described above, the cap of the present invention has a plurality of water suppression plates that hang down from the top wall rear surface of the outer edge of the thin-walled fracture portion so that the diameter gradually decreases inward. Therefore, when dispensing the liquid after opening, it is possible to prevent as much as possible the inconvenience such as the liquid expelling and leaking to the part that is not intended, and the amount of liquid dispensed per unit time can be reduced. The excellent effect of being able to be performed without much reduction can be exhibited, and in particular, the effect can be exhibited more effectively as a cap for mounting on a large container body. In addition, since the synthetic resin can be integrally formed from the shape of the water restraining plate, there are few manufacturing difficulties and the advantage of being inexpensively manufactured.
[0030]
In addition, the latter half of the water restraint plate is constructed as a pair of left and right wide water restraint plates, and the former half of the water restraint plate is constructed as a plurality of narrow water restraint plates. Although there is a limit on the amount of per-pour, it is possible to exhibit a more efficient outbreak prevention effect.
[0031]
Further, in the case where each pair of adjacent lower end portions of each water-power suppression plate is connected by a horizontal rail, in addition to the above effects, the possibility that the water-power suppression plates become uneven is prevented.
[0032]
Furthermore, in the case where the lower ends adjacent to each other of the water restraining plates are connected in an annular shape by curved horizontal rails that curve downward, the possibility of unevenness of the water restraining plates is reliably eliminated, and the die cutting is performed. There is no inconvenience.
[0033]
Further, in the case of the cap of the fifth means in which the cutting lid is constituted by a plurality of independent cutting lids that are long in the front-rear direction, the advantage that liquid can be prevented from being ejected is the same as in the case of the above-described water suppression plate. It has.
[0034]
Further, in the cap of the fifth means , a pull ring that connects each upper end of each bar-like projection raised from the upper surface of each cut lid is positioned horizontally above the cut lid, Each of the cutout lids can be easily and easily removed, and the opening operation can be performed more easily.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention .
FIG. 2 is a bottom view of the embodiment.
FIG. 3 is a longitudinal sectional view showing another embodiment of the present invention .
FIG. 4 is a bottom view of the embodiment.
FIG. 5 is a longitudinal sectional view showing still another embodiment of the present invention .
FIG. 6 is a bottom view of the embodiment.
FIG. 7 is a longitudinal sectional view showing still another embodiment of the present invention .
FIG. 8 is a bottom view of the embodiment.
FIG. 9 is a longitudinal sectional view showing still another embodiment of the present invention .
FIG. 10 is a plan view of the same embodiment.
FIG. 11 is a bottom view of the embodiment.
[Explanation of symbols]
2 ... cap body, 3 ... lid body, 4 ... cap body peripheral wall,
5 ... top wall of cap body, 6 ... pouring tube, 9 ... thin-walled fracture part,
10, 10a ... Cut-off lid, 12a ... Bar-shaped protrusion, 13 ... Pull ring,
14, 14a, 14b ... water restraint plate, 15 ... horizontal beam, 16 ... curved horizontal beam

Claims (4)

A pour tube 6 is erected at the center of the top wall 5 extending from the upper edge of the peripheral wall 4 , and a seal tube 8 is suspended from the back surface of the top wall 5, and the top wall 5 in the pour tube 6. And a cap body 2 provided with a cutout lid 10 surrounded by a thin broken portion 9, and a lid body that covers the upper surface of the cap body so that the upper end of the cap body can be opened and closed by connecting the rear lower end to the rear upper end of the main body 2 in a rotatable manner. In the liquid pouring cap composed of 3, a plurality of water suppression plates 14 that hang down from the back surface of the top wall 5 of the outer edge of the thin-walled rupture portion 9 in the seal cylinder 8 so as to be gradually reduced inward. A synthetic resin cap characterized in that a plurality of circumferentially extending portions are provided so as to surround the thin broken portion 9.   2. The rear half water restraint plate 14 is constructed as a pair of left and right wide water restraint plates 14a, and the front half water restraint plate 14 is constructed as a plurality of narrow water restraint plates 14b. cap. 2. The cap according to claim 1, wherein a pair of adjacent water flow suppression plates are connected to each other by a cross rail to provide a pair of water flow suppression plates .   The cap according to claim 1, wherein the adjacent lower ends of each of the water restraining plates are connected in an annular shape by curved horizontal bars 16 that are curved downward.

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