JP4312396B2 - Mouth plug with pull ring - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a spout with a pull ring that includes a spout projecting from a dispensing portion of a liquid paper container and a cap that is screwed to the spout, and opens the spout with a pull ring.
[0002]
[Prior art]
Conventionally, in a liquid paper container used for liquid contents of food and non-food, considering the ease of use at the time of use, for example, as shown in FIG. A liquid paper container (20) in which a spout (100) and a cap (10) made of a spout (100) and a cap (200) are provided on an inclined plate (22) at the top of a gable roof shape is used over a wide range of applications. It was. This cap is made by screwing a cap onto a spout pipe that protrudes from the cap mounting hole of the container. However, it is necessary to ensure completeness of sealing and virginity during distribution, or easy opening during use. For example, as shown in FIG. 4, a sealing plate (130) is provided on the lower inner surface of the spout tube (120) inside the spout (100) for sealing, and this is opened during use. An annular notch (131) having an inverted V-shaped vertical cross section is provided at a predetermined position on the lower surface of the sealing plate, and an annular thin line of weakness (132) is formed at a predetermined opening position on the upper surface. A column (133) having a pull ring (134) at its tip is erected on a predetermined one side of the upper surface. When opening the cap to open the container, the cap is removed, and the dispensing cylinder (120 Purlin housed inside (134) to pull upward over the finger tip, was opened tore thin annular line of weakness (132) of the blocked plate (130).
[0003]
[Problems to be solved by the invention]
However, the above-described conventional plug with a pull ring used for a liquid paper container has an annular thin line of weakness in a sealing plate by pulling the pull ring accommodated in the spout tube of the spout with a fingertip to open the container. When tearing and opening, the fingertip is difficult to get on the pull ring, or the force is concentrated and the side opposite to the column where the weld line (fused part) is likely to be cut may be cut off.
[0004]
The present invention solves the above-described problems of the conventional plug with a pull ring, and provides a pull plug with a pull ring that is easy to put a fingertip on the pull ring, the pull ring is difficult to cut, and the spout can easily open a spout. is there.
[0005]
[Means for Solving the Problems]
That is, the first invention of the present invention comprises a spout and a cap screwed to the spout, and seals the inside of the spout tube of the spout by providing a sealing plate. In the spigot that is provided with an annular cut on any one side to form an annular thin fragile line on the other surface, and on one side of the upper surface in the vicinity of the inner side of the annular thin fragile line, a column that connects a pull ring to the tip is provided. The pull ring-attached plug is characterized in that the longitudinal width of the pull ring is continuously reduced from the support column side to the support column facing side, and the thickness of the support column facing side is made larger than the thickness of the support column side.
[0006]
Next, a second invention of the present invention comprises a spout and a cap that is screwed to the spout, and seals the inside of the spout tube of the spout by providing a sealing plate. In a spigot in which an annular cut is provided on one side of each of the above to form an annular thin line of weakness on the other side, and on one side of the upper surface in the vicinity of the inner side of the annular thin line of weakness, a column connecting a pull ring to the tip is installed. The pull plug is provided with a stepped portion in the circumferential direction inside the pull ring, and the thickness on the side opposite to the column is made thicker than the thickness on the column side.
[0007]
According to a third aspect of the present invention, the pull ring according to the first or second aspect is provided with the pull ring inclined upward from the column side with the column-facing side facing upward. It is a spigot.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the cap with pull ring of the present invention will be described in detail with reference to the drawings.
As shown in FIG. 3, the cap (10) with a pull ring according to an embodiment of the present invention is attached to a spout (100) protruding from the top inclined plate of the liquid paper container (20) and screwed into the spout. As shown in FIG. 1A, for example, the spout is sealed by providing a sealing plate (130) on the inner lower side of the dispensing tube (120), and the sealing plate is scheduled to be opened. An annular notch (131) having a vertical V-shaped vertical cross section is provided on the lower surface of the position to form an annular thin line of weakness (132) on the upper surface, and on one side of the upper surface in the vicinity of the inside of the annular thin line of weakness, A column (133) shown in FIG. 1 (b) for connecting a pull ring (134) to a V-shaped tip is erected, and this pull ring is shown in FIGS. 1 (a) and 1 (b). As you can see, tilt the column upside from the column side with the column opposite side up Provided by, also, the vertical width narrowed steplessly from post side Pole facing side and is intended to increase the thickness of the strut opposite side than the thickness of the strut side. In addition, the front end portion of the column may not be V-shaped but may be a rod shape or a flat plate shape, and an annular cut provided at the planned opening position of the sealing plate may be provided on the upper surface to form an annular thin fragile line on the lower surface. .
[0009]
Further, as shown in FIG. 1 (a), the spout (100) has a pour cylinder (120) having a male screw (121) threadedly engaged with a cap on the outer peripheral surface of the upper surface of the pedestal ring (110). ), And a flange (140) is provided around the outer peripheral surface of the lower end of the pedestal ring, and the container (20) is attached to the spout mounting hole (23) of the container (20) with the pouring tube (120). The pedestal ring (110) is protruded, and the upper surface of the flange (140) is so-called “internally” attached to the inner surface of the outer peripheral edge of the spout attachment hole of the container by heat sealing or the like, or The lower surface of the spout flange projecting from the upper surface of the outer peripheral edge of the container outlet hole is so-called “externally attached”. The spout is usually produced by injection molding a thermoplastic resin such as polyethylene.
[0010]
The spout of the spigot with a pull ring of the present invention described above has a structure in which the opposite side of the column on which the fingertip is hung is placed in the vertical direction from the column side when the fingertip is hung on the pull ring accommodated inside the dispensing tube to open the container. Since the width is narrow, it is easy to hang a fingertip, and since the pull ring is inclined with the column-facing side facing upward, it is easier to hang the fingertip. Then, when the fingertip is hung on the pulling column support side and pulled upward to tear and open the thin thin line of weakness of the sealing plate, the force concentrates, and the thickness of the pulling ring support side where the weld line is likely to occur Is strengthened thickly, it is possible to prevent the pulling ring from facing the strut when it is pulled, and to improve the moldability.
[0011]
Next, as shown in FIG. 3, a cap (10) with a pull ring according to another embodiment of the present invention has a spout (100) projecting from the top inclined plate of the liquid paper container (20) and a screw on the spout. The spout is sealed with a sealing plate (130) provided inside and below the dispensing tube (120), for example, as shown in FIG. 2 (a). An annular notch (131) having an inverted V-shaped vertical cross section is provided on the lower surface of the sealing plate at the planned opening position, and an annular thin wall weak line (132) is formed on the upper surface. A column (133) shown in FIG. 2 (b) for connecting a pull ring (134) to a V-shaped tip is provided on one side, and this pull ring (134) is shown in FIG. As shown in a) and (b) It provided to be inclined upward from the diamond side, also, the stepped portion in the circumferential direction on the inside below the pull ring the (135) provided, and is intended to increase the thickness of the strut opposite side than the thickness of the strut side. In addition, the front end portion of the support may not be V-shaped but may be a rod shape or a flat plate shape, and an annular cut provided at the planned opening position of the sealing plate may be provided on the upper surface to form an annular thin weak line on the lower surface. . Others are the same as the cap with a pull ring of the above-mentioned this invention.
[0012]
The spout of the spigot with a pull ring of the present invention described above is provided with a stepped portion in the circumferential direction below the inside of the pull ring when a fingertip is hung on the pull ring accommodated on the inside of the dispensing cylinder in order to open the container. Since the step portion exhibits a function of preventing the fingertip from slipping, the fingertip is easy to be hooked on the pull ring, and the pull ring is inclined with the column-facing side facing upward, so that the fingertip is easy to hook. Then, when the fingertip is hung on the pulling column support side and pulled upward to tear and open the annular thin line of weakness of the sealing plate, the force is concentrated, and the thickness of the pulling ring support side where the weld line is likely to occur Is strengthened thickly, it is possible to prevent the pulling ring from facing the strut when it is pulled, and to improve the moldability.
[0013]
【The invention's effect】
The liquid paper container equipped with the pull ring cap of the present invention pulls the fingertip by the special shape of the pull ring when the fingertip is hung on the pull ring accommodated in the spout pipe for unsealing the container. Moreover, when the sealing plate inside the spout pipe of the spout is opened, it is possible to prevent the pulling ring opposite side of the pull ring where the force is concentrated from being cut.
[Brief description of the drawings]
FIG. 1 (a) is a cross-sectional view showing a main part of a spout of an embodiment of a spigot with a pull ring of the present invention, and FIG. 1 (b) is a cross-sectional view taken along line AA ′.
FIG. 2 (a) is a cross-sectional view showing a main part of a spout of another embodiment of the spigot with a pull ring of the present invention, and FIG. 2 (b) is a cross-sectional view along the line BB ′.
FIG. 3 is a perspective view of an example of a liquid paper container in which a stopper is projected from a top inclined plate.
FIG. 4 is a cross-sectional view of a spout as an example of a conventional plug with a pull ring.
[Explanation of symbols]
10 ... Mouth plug 20 ... Container 21 ... Body 22 ... Inclined plate 23 ... Spout mounting hole 100 ... Spout 110 ... Base ring 120 ... Dispensing tube 121 ... Male screw 130 ... Sealing plate 131 …… annular cut 132 …… annular thin-walled weak wire 133 …… post 134 …… pull ring 135 …… stepped portion 140 …… flange

Claims (3)

A spout and a cap that is screwed to the spout, the inside of the spout tube of the spout is sealed with a sealing plate, and an annular cut is provided on either side of the planned opening position of the sealing plate. In the spigot that forms an annular thin fragile line on one side of the upper surface near the inside of the annular thin fragile line, and connects the pull ring to the tip, the vertical width of the pull ring extends from the pillar side. A spigot with a pull ring, characterized in that it is steplessly narrowed to the strut-facing side and the thickness on the strut-facing side is thicker than the strut-side thickness. A spout and a cap that is screwed to the spout, the inside of the spout tube of the spout is sealed with a sealing plate, and an annular cut is provided on either side of the planned opening position of the sealing plate. An annular thin fragile line is formed on the top of the annular thin fragile line on one side of the upper surface of the annular thin fragile line. A plug with a pull ring, characterized in that it is provided and the thickness on the side opposite to the column is thicker than the thickness on the column side. 3. The mouth plug with a pull ring according to claim 1, wherein the pull ring is provided so as to be inclined upward from the column side with the column-facing side facing upward.

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