JP4220301B2 - Plastic resin opening aid and package - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to pulling of a pull ring that is connected to an opening assisting means for a screw-type lid of a spout that forms a container mouth, and a support rod that protrudes from a sealing surface portion having an opening by thin-wall molding inside a dispensing cylinder. The present invention relates to a synthetic resin opening assisting tool having opening assisting means.
[0002]
[Prior art]
Conventionally, when opening a screw-type lid of a bottle-type container or a plastic bottle or bag-type container in recent years, it is difficult to grasp depending on the size of the diameter, and it is difficult to open depending on the tightening condition. Opening aids have been invented or devised and marketed. In addition, when operating the so-called pull tab that is used to open the can container, the pulling tab is inserted between the pull tab and the can lid. Auxiliary devices have also been invented and marketed in various ways. Furthermore, an opener having these functions in combination has also been proposed (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-158500
The opening device according to the invention described in the above document is an opening device for opening a screw-type cap of a PET bottle and opening a pull tab portion of an SOT (steion tab) type can container. A cap opener having a cap insertion opening formed in the main body of the stopper and at least three cap protrusions for gripping the cap, and a pull tab pull for raising the pull tab. It is characterized by comprising a pull tab opener comprising a raising tool and a holding tool for holding the raised pull tab. Regarding the opening of the cap, the cap is inserted into the opening portion opened in the main body of the opening device, and the opening operation is performed by the biting protrusions biting into the grooves carved in the cap. Cap gripping is done by inserting into the cap opening provided in advance and gripping by several point parts, so it is difficult to handle caps with different cap diameters. Even with an error or the like, the grip becomes unstable. Furthermore, the pull tab pulling tool and the pull tab holding tool are stoppers for opening the pull tab portion of the can container, and are provided on the screw type lid of the mouth portion of the gable roof type liquid paper container with a plastic bottle or a spout. It was not suitable for opening the pull ring of the inner pipe stopper, that is, for pulling the pull ring.
[0005]
In the above-mentioned PET bottles and gable roof type liquid paper containers with spouts, the diameter of the spout part is small, so it is difficult to grip the screw-type lid part, and it is difficult to concentrate the force during the rotation operation. The pull ring of the inner tube puller is difficult to insert and open, especially for women with weak grip strength, elderly people, or people with handicapped hand, because it is difficult to insert fingers. Met.
[0006]
[Problems to be solved by the invention]
Therefore, the present invention has been made to solve the above problems, and the object of the present invention is to provide a screw-type lid for forming a spout part of a PET bottle or a gable roof type liquid paper container with a spout. Provided a synthetic resin plugging aid to assist pulling pulling operation of the pull ring connected with the support rod projecting on the sealing surface part having the opening part by the thin-walled molding in the dispensing cylinder. To do.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention of claim 1 is a container mouth portion having a pull ring connected to a pouring tube and a support rod projecting from a sealing surface portion having an opening portion formed by thin molding in the pouring tube. An opening assisting tool for opening a pouring tool comprising a pouring part body attached to the outer surface of the pouring tube and a cap screwed onto the outer surface of the pouring cylinder, and a part of the auxiliary tool that abuts against and is sandwiched by the outer peripheral surface of the cap An open C-shaped cap holding portion and a central portion of the outer edge of the cap holding portion that is formed to be thinner than the cap holding portion at a position facing the opening of the cap holding portion and project outward A hook-like traction tool for tapering and opening the sealing surface portion by hooking the hook portion to the pull ring by folding the tip portion along a C-shaped surface of the cap holding portion. Have a forming tool The C-shaped cap clamping part, which is partly open, sandwiches the outer peripheral surface of the cap, thereby increasing the outer diameter of the cap and making it easier to grip. Assists the opening and closing operation, and the hooked portion of the tip of the hook-like traction tool, which is tapered and folded back in the direction of the C-shaped surface of the cap clamping portion, is hooked on the pull ring in the dispensing cylinder. At the same time, the C-shaped cap clamping part is used as a grip part to assist the pulling and unsealing operation of the sealing surface part. Cap-clamping part is C-shaped with a part open, so that the dimension of the clamping part in the radial direction is flexible, not only can it be used for caps with different caliber dimensions, but also has a large tolerance for dimensional accuracy. Can increase the sex.
[0008]
The invention according to claim 2 is the synthetic resin unplugging aid according to claim 1, which is formed by integrally molding or joining an elastomer resin to the inner edge of the cap holding portion. By integrally molding or joining an elastomer resin with a high coefficient of friction to the inner edge of the cap-shaped cap holding part, the frictional resistance between the inner edge of the cap holding part and the outer peripheral surface of the cap is increased, and the user further rotates Reduce the force applied to the to assist the turning opening operation.
[0009]
The invention according to claim 3 is a synthetic resin plugging assisting tool according to claim 1 or 2, wherein a plurality of finger-hanging recesses are provided on an outer edge of the cap holding part. By providing a plurality of finger-hanging recesses on the outer peripheral surface of the outer edge of the letter-shaped cap clamping part, the friction resistance between the outer edge of the cap clamping part and the fingers performing the clamping and turning operation is increased, and the user can The force applied to the turning operation is reduced to assist the turning opening operation, and the frictional resistance between the outer edge of the cap holding part and the fingers performing the holding and towing operations is increased, so that the user can perform the towing operation. Reduce the force applied to assist the towing opening operation.
[0010]
The invention of claim 4 is a C-shaped cap in which the part of the opening aid for synthetic resin according to claims 1 to 3 is opened on the surface of the inclined surface of the outlet side of the gable roof type liquid paper container with an outlet. A gable roof-type liquid with a spout, which is placed in contact with the outer peripheral surface of the cap and is fixed by heat shrink wrapping integrally with the gable roof-type liquid paper container with a spout. By using a package that heat shrink-wraps the synthetic resin opening aids of the present invention integrally with the paper container product, the opening of the spout section must be opened when exhibiting, selling, and purchasing gable roof liquid paper containers with spouts. A stopper and an opening operation assisting tool are attached so that the purchaser can recognize and purchase the convenience, and can easily open and open the gable roof liquid paper container with a spout for use.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described in detail below with reference to the drawings.
Fig.1 (a) is a top view of one Example of the synthetic resin opening aids which concern on this invention. FIG. 1B is a side view of the same embodiment. FIG. 2 is a partial perspective view showing a state in which the screw-type lid portion of the gable roof type liquid paper container with a spout is rotated and opened using the same embodiment. FIG. 3 is an explanatory view showing a state in which the pull ring in the dispensing cylinder of the gable roof type liquid paper container with a spout is pulled open by using one embodiment. FIG. 4 is a perspective view showing a state in which one embodiment is placed in contact with a screw-type lid of a gable roof type liquid paper container with a spout for sale.
[0012]
FIG. 1 (a) is a plan view of an embodiment of a synthetic resin opening aid according to the present invention, and FIG. 1 (b) is a side view of the embodiment, and a synthetic resin opening assist according to the present invention. The tool P includes a cap holding portion outer edge 1 having a predetermined thickness for holding the cap in an external C shape with a part opened, and a cap holding portion formed in one piece inscribed in the cap holding portion outer edge 1 It comprises an inner edge 2 and a hook-like traction tool 3 provided so as to protrude outward from the center of the cap clamping part outer edge 1, and a plurality of finger hanging recesses 4 on the outer peripheral surface of the cap clamping part outer edge 1. Is provided.
[0013]
The cap clamping tool outer edge 1 and the hook-like traction tool 3 of the synthetic resin plugging aid P can be manufactured by injection molding using a general-purpose hard plastic such as polypropylene or ABS. FIG. As described above, when the cap holding portion inner edge 2 is made of a different material such as an elastomer having a high friction coefficient, it can be integrally formed by two-color molding. Alternatively, a material such as an elastomer is injection-molded in advance to form the cap holding portion inner edge 2, and the inner surface of the cap holding portion outer edge 1 is bonded with an adhesive, or physical bonding such as fitting is performed although illustration is omitted. You can also.
[0014]
FIG. 2 is a partial perspective view showing a state in which the screw-type lid portion of the gable roof type liquid paper container with a spout is rotated and opened using an embodiment of the synthetic resin plugging aid according to the present invention. The inner peripheral surface of the cap holding portion inner edge 2 of the synthetic resin unsealing aid P is brought into contact with the outer peripheral surface of the screw-type lid portion S of the spout attached to the gable roof portion of the gable roof type liquid paper container Q with the outlet. The screw-type lid S is opened by holding the outer periphery of the outer edge 1 of the cap clamping part with fingers and rotating in the direction of the arrow. Usually, the lid aperture diameter of the spout screw type lid S of the gable roof type liquid paper container Q with a seed spout is as small as about 24 mm or less, and the operation of gripping and rotating is difficult. On the outer peripheral surface of the synthetic resin plugging aid P, the diameter is set to about 33 mm to increase the rotational moment and facilitate the operation of gripping and rotating. Furthermore, since the cap holding portion inner edge 2 is formed of a resin having a high friction coefficient such as an elastomer, the friction resistance between the outer periphery of the screw-type lid portion S is increased, and at the time of rotating operation. The loss of force due to slipping can be prevented. Also, the plurality of finger-hanging recesses 4 provided on the outer peripheral surface of the outer edge 1 of the cap holding portion increase the frictional resistance with the fingers to be gripped, and similarly, the force caused by slipping during the rotation operation is increased. Loss can be prevented.
[0015]
FIG. 3 is an explanatory view showing a state in which the pull ring in the dispensing cylinder of the gable roof type liquid paper container with a spout is pulled and unsealed using one embodiment of the synthetic resin plugging aid according to the present invention. After opening the screw-type lid portion S of the spout attached to the gable roof portion of the gable roof type liquid paper container Q, it was protruded to the sealing surface portion U having an opening portion by thin molding in the extraction tube portion T. A tip end portion of the hook-like traction tool 3 of the synthetic resin opening aid P inserted in the extraction tube portion T is hooked on a ring end portion of the pull ring portion V provided continuously with the support rod, and the synthetic resin opening aid is provided. If the outer edge 1 of the cap clamping part of the tool P is grasped and pulled in the direction of the arrow, the unsealed part by the thin-wall molding in the dispensing cylinder part T is opened, and the contents can be poured out. The tip portion of the hook-shaped traction tool 3 is tapered in advance so as to be hooked into a gap formed by the inner peripheral surface of the extraction tube portion T and the end portion of the pull ring portion V while maintaining strength and rigidity necessary for traction. It is desirable to be designed. As described above, the outer edge 1 of the cap holding portion is provided with a plurality of finger-hanging recesses 4 to prevent the loss of force due to the slippage of the cap rotation operation. Helps prevent power loss.
[0016]
FIG. 4 is a perspective view showing a state in which one embodiment of the synthetic resin plugging aid according to the present invention is put on contact with a screw-type lid of a gable roof type liquid paper container with a spout for sale. On the outer peripheral surface of the screw-type lid portion S of the spout provided on the gable roof portion of the gable roof type liquid paper container Q with spout, the inner periphery of the cap holding portion inner edge 2 of the synthetic resin plugging aid P Although the illustration is omitted after the surfaces are brought into contact with each other, the whole is covered with a heat-shrinkable film, and is shown in a state of a package R which is packaged as a unit by heat-shrinking and is provided for display and sale. . The inner peripheral surface diameter of the cap holding part inner edge 2 of the synthetic resin plugging aid P is designed to be slightly smaller than the outer peripheral surface diameter of the screw-type lid S, and as described above, the outer periphery of the screw-type lid S When the inner peripheral surface of the cap holding portion inner edge 2 is brought into contact with the surface, the screw-type lid portion S is brought into contact with the outer peripheral surface so that it does not fall off during mobile conveyance such as a heat shrink packaging process.
[0017]
Normally, this kind of gable roof type liquid paper container with spout is used for display and sale with the spout portion as the front, and therefore the synthetic resin opening aid P is used for gable roof type liquid paper with spout as described above. By making a package body which is placed in contact with the screw-type lid portion S of the container Q and integrally packaged and fixed by a heat shrink film, the purchaser can easily recognize the convenience, and the synthetic resin according to the present invention is always obtained. Since the unplugging aid P is attached, it can be easily opened and opened for use, and no other opening aid is required. Further, the inner peripheral surface of the cap holding portion inner edge 2 of the synthetic resin plugging aid P is an outer peripheral surface of the screw-type lid portion S provided on the spout side gable roof portion of the spout gable roof type liquid paper container Q. Therefore, the adjacent products do not affect each other even during the collective packaging of the products, and the alignment is excellent.
[0018]
【The invention's effect】
As described above, the synthetic resin plugging aid of the present invention is a rotary opening operation of the screw-type lid part that forms the spout part of the plastic bottle or the gable roof type liquid paper container with spout, and its dispensing. Not only is it excellent in that it has the function of assisting the pulling opening operation of the pull ring connected to the supporting surface protruding from the sealing surface part with the opening part by thin molding in the cylinder, but also the rotation of the screw type lid part In the opening operation, the small diameter of the outer periphery of the screw-type lid increases with the thickness of the outer edge of the cap clamping part and the inner edge of the cap clamping part, making it easier to grip with fingers and increasing the rotational moment with a small force. It is possible to rotate, and the inner edge of the cap clamping part is made of elastomer, so that the frictional resistance between the outer surface of the screw type lid and the inner peripheral surface of the inner edge of the cap clamping part is increased. By increasing the frictional resistance between the fingers to grip the outer circumferential surface of the cap clamping outer edge to form a number of fingers hanging recess, thereby enabling Mawarido operation by a small force.
[0019]
The tip of the hook-shaped traction tool that protrudes outward at the center of the outer edge of the cap clamping part and hooks on the pull ring to open the sealing surface part maintains the strength and rigidity required for traction, while maintaining the strength and rigidity required for traction. The taper is designed in advance to be hooked in the gap formed by the peripheral surface and the end of the pull ring part, so that it can be easily inserted into the dispensing tube part, and the conventional difficult operation due to finger insertion has been eliminated. In addition, the outer edge of the cap clamping part as a gripping part is kept large enough, and a plurality of finger hook recesses on the outer periphery of the outer edge of the cap clamping part increase the frictional resistance, facilitating the pulling opening operation. It is supposed to be.
[0020]
Further, the opening aid for synthetic resin according to the present invention is designed to come into contact with the screw-type lid portion on the spout side of the gable roof type liquid paper container with spout and to be placed on the gable roof surface. Therefore, it is compact and can reduce the amount of resin used in manufacturing. As mentioned above, the plastic resin opening aid is placed in contact with the screw-type lid of the gable roof type liquid paper container with spout, and the entire package is integrally packaged and fixed with a heat shrink film. It is easy for the person to recognize the convenience, and since the opening aid for plastics according to the present invention is always included, it can be easily opened and opened for use, and other opening aids are required. There is nothing.
[Brief description of the drawings]
FIG. 1A is a plan view of an embodiment of a synthetic resin plugging aid according to the present invention.
(B) Side view of one embodiment.
FIG. 2 is a partial perspective view showing a state in which a screw-type lid of a gable roof type liquid paper container with a spout is rotationally opened using the same embodiment.
FIG. 3 is an explanatory view showing a state in which a pull ring in a dispensing cylinder of a gable roof type liquid paper container with a dispensing outlet is pulled open using the same embodiment.
FIG. 4 is a perspective view showing a state in which the embodiment is put into contact with a screw-type lid of a gable roof type liquid paper container with a spout for sale.
[Explanation of symbols]
P Opening aid made of synthetic resin Q Gable roof type liquid paper container with spout R Packaging body with a plastic resin opening aid placed on a gable roof type liquid paper container with spout and heat shrink wrapping S Screw-type lid of the spout of the gable roof type liquid paper container with spout T Tour pipe section of the gable roof type liquid paper container with spout U Thin wall inside the spout of the gable roof liquid paper container with spout Sealing surface part V with opening part by molding Pull ring part 1 connected to the supporting surface projecting on the sealing surface part with opening part by thin molding in the girder-type liquid paper container with spout 1 Cap clamping part outer edge 2 Inner edge of cap clamping part 3 Hook-like traction tool 4 Finger hook recess

Claims (4)

A pouring part main body attached to a container mouth part having a pull ring connected to a pouring tube and a support rod projecting from a sealing surface part having an unsealed part by thin molding in the pouring cylinder, and an outer surface of the pouring cylinder An opening assisting tool for opening a pouring tool composed of a cap screwed onto the cap, a C-shaped cap holding portion that is in contact with the outer peripheral surface of the cap and has a part that opens, and holding the cap A central portion of the outer edge of the cap, and formed at a position facing the opening of the cap clamping portion, being thinner than the thickness of the cap clamping portion, projecting outward , and having a tapered tip and a C-shape of the cap clamping portion A synthetic resin integrally formed with a hook-like traction tool which is folded back along a surface forming the hook and hooked to the pull ring to hook and pull the hook portion to pull the sealing surface portion. Opening aid. The synthetic resin plugging assisting device according to claim 1, wherein an elastomer resin is integrally molded or joined to an inner edge of the cap holding portion having a part opened. 3. The synthetic resin plugging assisting device according to claim 1, wherein a plurality of finger hooking recesses are provided on an outer edge of the cap holding portion which is partially opened. An inner peripheral surface of a C-shaped cap holding portion in which the part of the synthetic resin plugging aid according to claims 1 to 3 is opened on the surface of the outlet side slope plate of the gable roof type liquid paper container with outlet. A package body which is placed in contact with the outer peripheral surface of the cap and fixed by heat shrink wrapping integrally with the gable roof type liquid paper container with spout.

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