JP3591065B2 - Easy-to-pour spout - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a spout of a liquid paper container used for non-food such as fruit drinks, milk, sake, and other foods such as shampoos, rinses, and fabric softeners, and more particularly, to the contents of other containers. The present invention relates to an easily pourable plug that is easy to transfer and that can be resealed after opening.
[0002]
[Prior art]
Conventionally, a plug (10) protruding from a top plate (21) of a liquid paper container (20) is composed of, for example, a spout member (100) and a cap (200) as shown in FIG. As shown in the figure, the spout member (100) has a cylindrical side wall (120) having an external thread (121) on the upper surface of a pedestal ring (130) having an adhesive ring (131) on the outer side. A closing plate (110) is provided below the inside of the side wall, a ring-shaped thin weak line (112) is formed on the closing plate, and a support (115) having a pull ring (116) is erected in the thin weak line. The cap (200) has a female screw (221) inside the cylindrical side wall (220), and the cylindrical side wall (120) of the spout member (100) is provided on the lower surface of the top plate (210). Liquid stop ring (212) It was those that provided.
[0003]
When using the contents, the cap is rotated and removed, and the pull ring housed inside the side wall of the spout member is pulled upward with a finger toward the front, and the ring shape provided on the closing plate below the inside of the side wall is removed. The container was opened by tearing the thin fragile line, and the liquid paper container was inclined to discharge the contents from the upper end of the cylindrical side wall of the spout member.
[0004]
[Problems to be solved by the invention]
However, the above-described conventional liquid paper container in which a stopper is protruded from the top plate is removed by removing the cap, pulling the pull ring to tear open the thin weak line of the closing plate, tilting the liquid paper container, and causing the other liquid paper container to tilt. When transferring the contents from the upper end of the circular side wall of the spout member to the container, particularly in the case of a large-sized liquid paper container, the ridge line (21) formed by the top plate (21) and the side wall (22) shown in FIG. 23) hindered the transfer of the contents in some cases.
[0005]
The present invention has been made to solve the above-mentioned problem in the conventional plug of a liquid paper container, and is easy to transfer the contents to another container, and furthermore, the easily dischargeable plug of the liquid paper container which can be resealed. Is provided.
[0006]
[Means for Solving the Problems]
The first invention comprises a spout member (100) and a cap (200) as shown in FIGS. 1 (a), (b) and (c), and a top plate (21) of a liquid paper container (20). ), The spout member (100) has a cylindrical shape having a threaded portion (121) on the outside on the upper surface of a pedestal ring (130) having a sticking ring (131) on the outside. The side wall (120) is erected, a part of the side wall is cut out from above to the middle, and a closing plate (110) is provided in the side wall (120) at the lower end of the notch (122). Forming a hinge line (111) parallel to a line connecting both ends of the notch (122) and not larger than both end widths, and forming a U-shaped thin weak line (112) connected to both ends of the hinge line; A support (11) having a pull ring (116) at the upper end inside the center of the thin weak line. ), And along the inside of the U-shaped thin weak line (112) on the lower surface of the closing plate (110), opposing ejection guide side walls (113) are provided, and the thin weak line (112) is provided. ) Is formed with a pouring groove (114) having a pouring port (119) at the center thereof, and the cap (200) is provided with a cylindrical side wall (220) as shown in FIG. And a hinge line (111) and a U-shaped thin fragile line (112) on the lower surface of the top plate (210) inside the side wall (120) of the spout member (100). ) Is provided with a liquid stop ring (211) which is in close contact with the upper surface of the closing plate (110) of the spout member (100) outside of the portion enclosed by (1). ).
[0007]
As shown in FIGS. 1 (a), 2 (a), and 3 (a), the second invention provides a stopper at a vertical side cross section of the cutout side wall (120) of the spout member (100). A protrusion (123) is provided, and a stopper groove (117) corresponding to the stopper protrusion is provided outside the pouring guide side wall (113) on the lower surface of the closing plate (110) of the pouring member (100). An easily pourable plug (10) according to the first aspect of the invention.
[0008]
According to a third aspect of the present invention, as shown in FIG. 4, opposed pouring guide side walls (125) are provided on the upper surface of the closing plate (110) along the outside of the thin line of weakness. An easily pourable plug (100) according to the first and second inventions.
[0009]
The above-mentioned spout member is manufactured by injection molding using a low-density polyethylene, a high-density polyethylene, a linear low-density polyethylene, a polyester resin, or the like that can be thermally fused to the top plate of the liquid paper container. If necessary, an inorganic substance may be added to adjust the tear strength of the thin brittle wire. The cap is made by injection molding using low-density polyethylene, high-density polyethylene, linear low-density polyethylene, polypropylene, or the like.
[0010]
In the method of forming a hinge line on the closing plate of the spout member, a trapezoidal straight bite is provided on one surface of the closing plate, and the hinge line can be bent substantially 180 degrees around the hinge line as an axis. In the method of forming a thin weak line on the closing plate of the spout member, a V-shaped cut is provided on one side of the closing plate so that the thin plate is easily torn on the thin weak line by an external force.
[0011]
The stopper groove (117) corresponding to the stopper protrusion (123) provided on the vertical side cross section of the notched side wall is opened by tearing the thin weak line of the closing plate as shown in FIG. The stopper plate (123) is fitted when the closing plate separated in a U-shape is rotated about 180 degrees about the hinge line (111) as shown in FIG. 3 (a) or (b). It is provided at a position outside the pouring guide side wall (113) so as to match.
[0012]
As shown in FIG. 3 (c), the shape of the spout (119) of the spout groove on the lower surface of the closing portion is such that the spout guide side wall (113) is provided in a shape suitable for the intended use of the container. To form.
[0013]
The spout member of the present invention projects from the top plate of the liquid paper container such that the notch in the cylindrical side wall is directed forward of the container.
[0014]
[Action]
In the liquid paper container of the present invention, in which the easily pourable stopper is protruded from the top plate, the cap is removed, and the pull ring housed in the cylindrical side wall of the spout member is pulled to form the thin weak line of the closing plate. When the torn closing plate is rotated about 180 degrees forward of the container about the hinge line (111) as shown in FIG. 2A, as shown in FIG. 2A, as shown in FIG. The cylindrical side wall (120) is fixed by abutting against the horizontal lower cross section of the notch. On the upper surface of the rotation-fixed closing plate, opposing spouting guide side walls (113) are provided along the inside of the U-shaped thin-walled weak line. A pouring groove appears. The pouring groove protrudes in a beak shape from the cylindrical side wall in the forward direction of the container, and when transferring the contents to another container, a liquid sheet having a conventional stopper protruding from the top plate is used. As in the case of a container, the ridgeline formed by the top plate and the side wall does not become an obstacle, and the contents can be easily transferred.
[0015]
Further, in the spout member according to the second invention, a stopper protrusion is provided on a vertical lateral cross section of the cutout side wall of the spout member, and a stopper groove corresponding to the stopper protrusion is provided outside the spout guide side wall. When the detached closing plate is rotated approximately 180 degrees in front of the container about the hinge line as an axis, it comes into contact with the horizontal lower cross section of the cutout of the cylindrical side wall, and at the same time, the ejection guide side wall on the lower surface of the closing plate. The stopper groove formed on the outside of the notch fits into the stopper projection provided on the vertical side cross section of the notched side wall, so that the closing plate forming the ejection groove is firmly fixed.
[0016]
Further, after the contents are transferred, the separated closing plate forming the pouring groove is rotated substantially 180 degrees to the rear of the container around the hinge line as the axis, and is housed in the cylindrical side wall. When the cap is screwed onto the member, the tip of the liquid stop ring provided on the lower surface of the top plate of the cap comes into close contact with the upper surface of the closing plate of the spout member, so that the container can be resealed.
[0017]
【Example】
<Example 1>
First, using a colored low-density polyethylene (the tear strength of a thin-walled fragile line is appropriately adjusted by adding an inorganic substance), an injection port member of the easy injection port plug of this example was manufactured by an injection molding method. As shown in FIGS. 1 (a), (b) and (c), the structure of the spout member (100) is such that a male screw (130) having a sticking ring (131) on the outside is provided on the upper surface of a base ring (130). A cylindrical side wall (120) having an outside 121) is erected, and a part of this side wall is cut out from above to the middle, and a closing plate (110) is inserted into the side wall at the lower end of the notch (122). A hinge line (111) parallel to a line connecting both ends of the notch (122) and having substantially the same width as both ends is formed on the lower surface of the closing plate (110) by forming a trapezoidal straight bite on the lower surface of the closing plate. A U-shaped thin weak line (112) connected to both ends of the hinge line is formed by providing a V-shaped cut in the lower surface of the closing plate (110), and the upper end is formed inside the center of the thin weak line. A support (115) having a pull ring (116) is erected and a closing plate (115) is provided. 10) A pair of similar ejection guide side walls (113) are provided along the inside of the U-shaped thin weak line (112) on the lower surface, and FIG. ) Is formed with a pouring groove (114) having a beak-shaped pouring port (119).
[0018]
Next, using the colored polypropylene, the cap of the easy-pouring port stopper of this example was produced by an injection molding method. As shown in FIG. 1A, the structure of the cap (200) has a female screw (221) inside the cylindrical side wall (220), and the cap is attached to the lower surface of the top plate (210). When attached to the spout member (100), the inside of the side wall (120) of the spout member (100) is outside the portion surrounded by the hinge line (111) and the U-shaped thin weak line (112). A liquid stop ring (211) is provided so as to be in close contact with the upper surface of the closing plate (110).
[0019]
Next, the above-mentioned cap is screwed and attached to the spout member to produce the easy spout plug according to the present embodiment, and the easy spout plug (10) according to the present embodiment is shown in FIG. As shown in (b) and (c), the sticking ring (131) of the spout member (100) is made to protrude from the opening of the top plate (21) of the liquid paper container (20), and is attached to the top of the liquid paper container. The contents were filled from the bottom opening, and then the container was sealed by heat-sealing the bottom.
[0020]
Next, the cap of the liquid paper container equipped with the easy pouring port stopper of the present embodiment is rotated and removed, and the pull ring housed in the cylindrical side wall of the pouring port member is pulled to remove the thin weak line of the closing plate. When the torn open plate is rotated about 180 degrees in front of the container about the hinge line about the hinge line, it comes into contact with the horizontal lower section of the notch in the cylindrical side wall, and at the same time, FIG. As shown in b), a stopper groove (117) provided on the lower surface of the closing plate on the outside of the ejection guide side wall (113) is provided with a stopper projection provided on a vertical side section of the cut-out side wall (120). (123) and firmly fixed. Then, as shown in FIG. 3 (c), a spout groove (114) protruding forward in a beak shape having a spout (119) at the center position of the thin-walled weak line on the rotation-fixed detached closing plate. Appeared. The contents were transferred to a small container by tilting the liquid paper container. The ridgeline (23) formed by the top plate and the side wall of the liquid paper container did not hinder the transfer of the contents. It was easy to change.
[0021]
Next, the detached closing plate forming the injection groove is rotated substantially 180 degrees toward the rear of the container around the hinge line as the axis, and is housed in the cylindrical side wall, and the cap is screwed to the spout member. When mounted, the container was resealed, and no leakage of contents occurred even when inverted.
[0022]
<Example 2>
As shown in FIGS. 4 (a) and 4 (b), the first embodiment is the same as the first embodiment except that opposing guide walls (125) are provided on the upper surface of the closing plate (110) along the outside of the thin line of weakness. The same spout member (100) and the same cap as in Example 1 were produced.
[0023]
Next, the above-mentioned cap is screwed and attached to the spout member to produce an easy spout plug of the present embodiment, and protrude from the opening of the top plate of the liquid paper container as in the first embodiment. The sticking ring of the spout member was heat-sealed and stuck to the lower surface of the top plate of the liquid paper container, and after filling the contents from the opening bottom, the bottom was heat-sealed to seal the container.
[0024]
Next, the cap of the liquid paper container equipped with the easy pouring port stopper of the present embodiment is rotated and removed, and the pull ring housed in the cylindrical side wall of the pouring port member is pulled to remove the thin weak line of the closing plate. When the torn and opened closure plate is rotated approximately 180 degrees forward of the container about the hinge line as an axis, it comes into contact with the horizontal lower section of the notch in the cylindrical side wall, and at the same time as shown in FIG. As described above, the stopper groove (117) provided on the lower surface of the closing plate on the outside of the ejection guide side wall (113) is formed on the stopper protrusion (123) provided on the vertical side section of the cut-out side wall (120). Mated and firmly secured. Then, as shown in FIG. 4 (b), a spout groove (114) protruding forward in a beak shape having a spout (119) at the center position of the thin-walled weak line on the rotation-fixed detached closing plate. Appeared. In this embodiment, since the opposing ejection guide side walls (125) are provided along the outside of the opening (118) of the closing plate (110) of the spout member (100), the closing plate is provided. The liquid pool above has disappeared. The liquid paper container (20) was inclined and the contents were transferred to a small container, but the ridge (23) formed by the top plate (21) and the side wall (22) of the liquid paper container hindered the transfer. It was very easy to transfer the contents.
[0025]
【The invention's effect】
In the liquid paper container of the present invention in which the easy pouring port stopper is protruded from the top plate, the cap is removed, and the pull ring housed in the cylindrical side wall of the pouring port member is pulled to tear the thin weak line of the closing plate. When the opened and separated closure plate is rotated by approximately 180 degrees in front of the container with the hinge line as the axis, and is fixed, a beak-shaped groove that protrudes in a beak shape in the forward direction of the container from the cylindrical side wall of the spout member. It appears, and the ridgeline formed by the top plate and the side wall of the liquid paper container does not interfere, and the contents can be easily transferred to another container. Also, after the contents are poured out, the pouring groove is housed in the cylindrical side wall and a cap is attached to the spout member, so that resealing is possible.
[Brief description of the drawings]
FIG. 1 (a) is a cross-sectional view in which an easily pourable plug according to a first embodiment of the present invention in which a cap is attached to a spout member protrudes and is attached to a top plate of a liquid paper container. (B) is a plan view when the cap is removed, and (c) is a perspective view thereof.
FIG. 2 (a) is a diagram illustrating a case in which the cap of the easily pourable stopper of the first embodiment, which is protruded and adhered to the top plate of the liquid paper container, is removed, and the pull ring of the spout member is pulled upward toward the front. (B) is a plan view thereof, and (c) is a perspective view thereof.
FIG. 3 (a) fully opens a spout member of the easily pourable spout of Example 1 which is protruded and adhered to a top plate of a liquid paper container, and closes the closing plate at the opening by 180 degrees. It is sectional drawing at the time of rotating and fixing an injection | pouring concave groove by fitting of a stopper, (b) is its top view, (c) is its perspective view.
FIG. 4 (a) is a diagram showing a state in which the spout member of the easily pourable stopper according to the second embodiment, which is protruded and adhered to the top plate of the liquid paper container, is completely opened, and the closing plate at the opening is 180 degrees. It is a top view at the time of rotating and fixing an injection | pouring recessed groove by fitting of a stopper, (b) is the perspective view.
FIG. 5 is a cross-sectional view of an example of a conventional easy-to-pour spout with a cap attached to the spout member, protruding and affixing to a top plate of a liquid paper container.
[Explanation of symbols]
Reference numeral 10: Plug 20 ... Liquid paper containers 21, 210 ... Top plates 22, 120, 220 ... Side wall 23 ... Ridge line 100 ... Outlet member 110 ... Closing plate 111 ... Hinge line 112 ... Thin Weak lines 113, 125 Outlet guide side wall 114 Outlet recess groove 115 Post 116 Pull ring 117 Stopper recess 118 Opening 119 Outlet 121 Screw part or male screw 122 Notch 123 Stopper protrusion 130 Base ring 131 Adhesive ring 200 Cap 211, 212 Liquid retaining ring 221 Screw portion or female screw

Claims (3)

In a spout comprising a spout member and a cap and protruding from a top plate of a liquid paper container, the spout member has a threaded portion on the upper surface of a pedestal ring having a sticking ring on the outside. A cylindrical side wall is erected, a part of the side wall is cut out from the top to the middle, a closing plate is provided in the side wall at the lower end of the notch, and the closing plate is parallel to a line connecting both ends of the notch. Forming a hinge line not larger than both ends width, forming a U-shaped thin weak line connected to both ends of the hinge line, and standing upright with a pull ring at the upper end on the center inside of the thin weak line, Further, along the inside of the U-shaped thin weak line on the lower surface of the closing plate, opposing ejection guide side walls are provided to form an ejection groove having a spout at the center position of the thin weak line. The cap has a threaded portion inside the cylindrical side wall, and is provided under the top plate. In addition, a liquid stop ring is provided in close contact with the upper surface of the closing plate of the spout member outside the portion surrounded by the hinge line and the U-shaped thin weak line inside the side wall of the spout member. Easy-to-pour spout. A stopper projection is provided on a vertical side cross section of the cutout side wall of the spout member, and a stopper groove corresponding to the stopper projection is provided outside the spout guide side wall on the lower surface of the closing plate of the spout member. The easily pourable plug according to claim 1, characterized in that: The easy-to-pour spout according to claim 1, wherein opposing guide walls are provided on the upper surface of the closing plate along the outside of the thin-walled fragile line.

Images