JP5367351B2 - Hinge cap - Google Patents

Description

  The present invention relates to a hinge cap, and more particularly to a hinge cap that can be easily separated from a container at the time of disposal.

In the hinge cap attached to the mouth tube part of the container filled with the content liquid, after using all the content liquid, after pulling down the upper lid with respect to the cap body, pulling the upper lid, cutting a part of the cap body, A hinge cap that can easily separate and discard the container and the hinge cap by being deformed is conventionally known (see, for example, Patent Document 1).
JP2003-205955A

However, in the hinge cap described in Patent Document 1, the outer cylinder (2) can be torn with respect to the cap body (1), but between the upper end of the skirt portion of the cap body (1) and the upper end of the outer cylinder. A plurality of breakable bridging portions (14a) are arranged at equal intervals, and below that, the outer surface of the skirt portion and the inner surface of the outer cylinder are brought into close contact with the cut surface.
When separating the outer cylinder (2), the outer cylinder (2) is torn by cutting the bridge (14a) that can be cut by turning the upper lid, so that the cutting is performed sequentially for each bridge. There was a problem that tearing was not smooth.

  In addition, in forming the hinge cap, after the cap (2) upper cover of the cap body is integrally formed by injection molding or the like, post-processing is performed to cut a portion with a cutter or the like from below to separate the portion excluding the bridge portion. Molded by applying.

Therefore, the structure of the cap body and the outer cylinder is complicated, and post-processing is not easy, and there is a problem that the production cost is increased.
Furthermore, if the content liquid may spill from the pouring cylinder onto the upper surface of the skirt and the upper surface of the outer cylinder during use, there is a problem that the liquid accumulates in the groove below the bridging portion.

  An object of the present invention is to solve the above-mentioned problems, and the outer cylinder of the cap body and the upper surface of the outer peripheral wall are connected with a thin upper wall, and the outer peripheral wall can be easily torn and the cap can be easily discarded. An object is to provide a hinge cap.

In order to solve the above-described problems, the present invention provides a hinge cap including a cap body and an upper lid attached to a mouth tube portion of a container as a hinge cap. The cap body includes a dispensing tube and a container mouth tube. An engagement cylinder part attached to the outer part and an outer peripheral wall part connected to the outside of the engagement cylinder part and connected to a hinge at a predetermined position at the upper end of the outer periphery. The upper wall, the inner cylinder having the outer peripheral upper end connected to the inner peripheral edge of the upper wall, the inner peripheral upper end being connected to the outer peripheral edge of the upper wall, and the inner periphery engaging the outer periphery of the mouth tube portion of the container A connecting portion that connects the outer cylinder and the outer peripheral wall portion at a position shifted to either the left or right with respect to the connecting portion of the hinge , and an upper end of each other excluding the connecting portion. cleavable thin upper wall connecting is provided with, on the inner periphery of the outer peripheral wall portion, the end portion of the hinge side of the connecting portion, to form an outer peripheral thin, The peripheral wall portion longitudinal weakening which allows rupture in the longitudinal direction are formed, adopt a configuration, wherein a window portion that extends through and circumferentially from the upper wall to the lower end following the said longitudinal weakening is formed To do.

As an embodiment of the hinge cap, an engagement protrusion provided at the lower end is cut out at a position corresponding to the side end on the opposite side of the hinge of the connecting portion on the inner periphery of the outer cylinder, and the outer cylinder is formed in the vertical direction. A configuration is adopted in which a longitudinal weakening portion that can be broken is provided.

  In a hinge cap composed of a cap body and an upper lid attached to a mouth tube portion of a container, the cap body includes an extraction tube, an engagement tube portion attached to the mouth tube portion of the container, and an engagement tube portion A connecting portion that is connected to the outside and includes an outer peripheral wall portion that is connected to a hinge at a predetermined position on the upper end of the outer periphery, and connects the outer tube and the outer peripheral wall portion of the engaging tube portion; Since the thin upper wall which can cut | disconnect which connects the upper end of this is provided, the tear of an outer peripheral wall part is performed easily and smoothly.

  In addition, a longitudinal weakening portion is provided on the inner periphery of the outer cylinder at a position corresponding to the side end of the connecting portion on the opposite side of the hinge so that the outer cylinder can be broken in the vertical direction. Even when the longitudinal weakening portion is cut and the outer peripheral wall portion is not pulled so strongly when the tube is pulled, the deformation of the outer tube can be increased, and the container and the hinge cap can be easily separated and discarded.

Next, the hinge cap of this invention is demonstrated with reference to drawings.
In FIG. 1, A is a cap body attached to the mouth tube portion of the container, and B is an upper lid attached to the cap body A via a hinge C.

  The cap body A is continuously provided on the outer side of the extraction cylinder 1 and the extraction cylinder 1, and is provided on the outer side of the engagement cylinder part 2 and the engagement cylinder part 2 attached to the mouth cylinder part of the container, The outer peripheral wall 3 is provided with a hinge C in a predetermined position at the upper end of the outer periphery.

  A partition wall 4 is provided in the lower part of the inner periphery of the dispensing cylinder 1. The partition wall 4 is provided with a removal portion 5 having a pull ring and opening a spout.

  The engagement cylinder portion 2 includes a ring-shaped upper wall 6 that is connected to the outer periphery of the extraction cylinder 1, an inner cylinder 7 that is suspended from the lower surface of the upper wall 6, and an inner peripheral upper end at the outer peripheral edge of the upper wall 6. Consists of an outer cylinder 8 that is continuously provided, and a lid engaging portion 9 that is erected on the upper portion of the upper wall 6 and engages with the upper lid B.

In the bottom view of the cap body A shown in FIG. 1B, the opposite side of the hinge C is the front side, and the outer periphery of the outer cylinder 8 is shifted to the left side (upward in the drawing) with respect to the hinge C side. A connecting portion 10 that connects the outer peripheral surface of the outer cylinder 8 and the inner peripheral surface of the outer peripheral wall portion 3 is provided at the position.
Both sides of the connecting portion 10 are a side end 10a on the hinge C side and a side end 10b on the opposite side.

At the lower end of the inner periphery of the outer cylinder 8, an engaging protrusion 11 is provided that engages with the outer periphery of the mouth tube portion of the container at the time of attachment.
In a position corresponding to the side end 10b of the connecting portion 10 of the outer cylinder 8, a vertical weakening portion 12 is formed which is formed thin by cutting out the engaging protrusion 11 and which allows the outer cylinder 8 to be broken in the vertical direction. Yes.

  On the side end 10 a side of the connecting portion 10, a longitudinal weakening portion 13 that is formed to be thin by cutting the outer peripheral wall 3 and that allows the outer peripheral wall portion 3 to be broken in the vertical direction is formed.

At the upper end of the inner periphery of the outer peripheral wall 3 and the outer periphery of the outer cylinder 8, there is provided a thin upper wall 15 that can be cut and extends to the side end 10b in the circumferential direction by forming a window 14 near the side end 10a of the connecting portion 10. The flat upper surface provided with the window portion 14 is formed together with the upper surface of the outer peripheral wall portion 3 and the upper surface of the connecting portion 10.
On the inner surface of the outer peripheral wall portion 3, there is provided a non-slip surface having a certain length formed by thin ridges or grooves at several appropriate positions to prevent slip when pulling. Good.

  The upper lid B includes a top wall 20, an inner cylinder 21 that is suspended from the lower surface of the top wall 20 and engages the extraction cylinder 1 of the cap body A, and an outer peripheral wall 22 that is suspended from the periphery of the top wall 20. An engaging portion 23 that engages with the lid engaging portion 9 of the engaging cylinder portion 2 of the cap main body A is provided at the inner peripheral lower portion of the outer peripheral wall 22.

Next, the effect of the hinge cap of this invention is demonstrated.
In the present invention, the inner cylinder 21 and the outer peripheral wall 22 of the upper lid B are engaged with the engagement portion 23 of the outer peripheral wall 22 and the extraction cylinder 1 of the cap body A and the lid engagement portion 9 of the engagement cylinder portion 2 are closed. Thereafter, the closed hinge cap is plugged into the mouth tube portion of the container filled with the content liquid from above.

  At the time of stoppering, the mouth tube portion of the container is sandwiched between the outer periphery of the inner tube 7 of the engagement tube portion 2 of the cap body A and the inner periphery of the outer tube 8, and the engagement protrusion 11 of the cap body A is The cap body A is engaged with the outer periphery of the cap body A to prevent the cap body A from falling off and is attached to the mouth tube section of the container.

  When the hinge cap is removed from the container and discarded after the content liquid has been used, the upper lid B is first opened, and then the upper lid B is gripped with fingers and pulled downward.

When the upper lid B is pulled, a force is applied to the hinge C connecting portion of the outer peripheral wall portion 3 of the cap body A through the hinge C, and the longitudinal weakening portion 13 is cut.
When the longitudinal weakening portion 13 is cut, as shown in FIG. 2, the force for pulling the upper lid B is changed to the right circumferential direction via the hinge C, and the thin wall between the outer peripheral wall portion 3 and the outer cylinder 8 is changed. The upper wall 15 is cut from the end of the window 14 side.

  Next, when the upper lid B is pulled so as to rotate in the right circumferential direction, the thin upper wall 15 is cut, and the outer peripheral wall portion 3 is separated from the outer cylinder 8 with the cut portion of the longitudinal weakening portion 13 as an end portion, and is continuous in a band shape.

Further, when the outer peripheral wall portion 3 is pulled, as shown in FIG. 3, the cutting of the thin upper wall 15 reaches the side end 10 b of the connecting portion 10, and the engaging tube portion 2 outer cylinder 8 is connected via the connecting portion 10. The vicinity of the connecting portion 10 of the connecting portion 10 is pulled, and the outer cylinder 8 can be deformed.
At that time, when there is a non-slip surface on the inner surface of the outer peripheral wall portion 3, the fingers do not slip and can be pulled reliably.
And if the connection part vicinity of the connection part 10 of the outer cylinder 8 is pulled, the longitudinal weakening part 12 will be cut | disconnected from a lower end, and the deformation | transformation of the outer cylinder 8 from the cutting part vicinity can be enlarged.

  When the outer cylinder 8 is deformed, the engagement between the engaging protrusion 11 and the outer periphery of the mouth tube portion of the container is released, and the engagement between the outer tube 8 and the outer periphery of the mouth tube portion of the container is also released. Finally, when the outer peripheral wall portion 3 is pulled upward together with the connecting portion 10, the cap body A can be easily removed from the mouth tube portion of the container and separated and discarded.

The hinge cap of the present invention has a flat upper wall 15 between the inner periphery of the outer peripheral wall portion 3 and the outer periphery of the outer cylinder 8, the upper surface of the outer peripheral wall portion 3 and the upper surface of the connecting portion 10 so as to provide a flat portion. Since the upper surface is formed, it is possible to prevent liquid from spilling and falling between the outer peripheral wall portion 3 and the outer cylinder 8.
Further, since the window portion 14 is provided, it serves as a guide when the thin upper wall 15 is torn.

  In the above embodiment, the connecting portion 10 of the cap body A is disposed at a position shifted to the left with respect to the hinge C. However, the connecting portion is disposed at a position shifted to the right with respect to the hinge C, and the connecting portion The configuration of the longitudinal weakening portion related to the above may be formed on the opposite side to the embodiment.

  The present invention can be widely used as a hinge cap capable of separating and discarding various contents liquid containers since the hinge cap can be easily removed from the container mouth and discarded by pulling the upper lid of the hinge cap. can do.

It is explanatory drawing of this invention hinge cap, (a) is a cross-sectional side view, (b) is a bottom view. It is a bottom view explaining the situation immediately after the cutting | disconnection of the longitudinal weakening part of an outer peripheral wall part. It is a bottom view explaining the state after the cutting | disconnection of the longitudinal weakening part of the outer cylinder of an engagement cylinder part.

Explanation of symbols

A Cap body B Upper lid C Hinge 1 Extraction cylinder 2 Engagement cylinder part 3 Outer peripheral wall part 4 Partition wall 5 Removal part 6 Upper wall 7, 21 Inner cylinder 8 Outer cylinder 9 Lid engagement part 10 Connecting part 10a, 10b Side end 11 Engagement protrusions 12, 13 Vertical weakening part 14 Window part 15 Thin upper wall 20 Top wall 22 Outer peripheral wall 23 Engagement part

Claims (2)

In the hinge cap consisting of a cap body and an upper lid attached to the mouth tube portion of the container,
The cap body includes an extraction tube, an engagement tube portion mounted on the mouth tube portion of the container, and an outer peripheral wall that is provided outside the engagement tube portion and has a hinge provided at a predetermined position at the upper end of the outer periphery. With parts,
The engaging cylinder part includes a ring-shaped upper wall, an inner cylinder having an outer peripheral upper end connected to the inner peripheral edge of the upper wall, an inner peripheral upper end connected to the outer peripheral edge of the upper wall, and the inner periphery being the mouth of the container. An outer cylinder that engages the outer periphery of the cylinder part,
Between the outer cylinder and the outer peripheral wall portion, a connecting portion that connects the left and right positions with respect to the connecting portion of the hinge , and a severable thin wall that connects the upper ends of each other excluding the connecting portion There is an upper wall,
The inner periphery of the outer peripheral wall portion, the end portion of the hinge side of the connecting portion, the outer periphery is formed as a thin wall, the vertical weakening which allows breaking the outer peripheral wall portion in the longitudinal direction are formed, subsequent to said longitudinal weakened portion A hinge cap characterized in that a window portion that penetrates from the upper wall to the lower end and extends in the circumferential direction is formed . On the inner circumference of the outer cylinder, at the position corresponding to the side edge on the opposite side of the hinge of the connecting part, the engagement protrusion provided at the lower end is cut out and formed thin, making the outer cylinder vertically breakable. The hinge cap according to claim 1, wherein a portion is provided .

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