JP2010149889A - Hinged cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinged cap which is capable of consistently maintaining the sealing in a container, and is easily detached with a weak force when classifying the cap and the container and disposing them. <P>SOLUTION: In the hinged cap attached to a mouth cylindrical part of the container, a cap body comprises a spouting cylinder and an engagement cylindrical part having an upper wall, and outer and inner cylinders. The outer cylinder comprises an outer peripheral wall part and a connection wall part. The outer peripheral wall part comprises an upper engagement wall part to be engaged with the mouth cylindrical part of the container, a horizontally weakened wall part which is vertically provided on an inner edge of a lower end of the upper engagement wall part, displaceable in the vertical direction, and cuttable, and a lower engagement wall part vertically provided on a lower end of the horizontally weakened wall part. An engagement projecting bar is provided on an inner periphery of the lower engagement wall part. The connection wall part comprises a connection part, an inner wall part extending from one side end of the connection part to the other side end of the outer peripheral wall part, and an outer wall part. A continuous part between the inner wall part and the lower engagement wall part, a continuous part between the outer wall part and the connection part, and a continuous part between the outer wall part and the upper engagement wall part are cuttable. <P>COPYRIGHT: (C)2010,JPO&INPIT

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.

2. Description of the Related Art Caps that can be used to cap the container mouth tube filled with the content liquid have been known in the art (see, for example, Patent Document 1) that can separate and discard the container and the cap after all the content liquid has been used.
Japanese Utility Model Publication No. 07-8253

  However, in the cap described in Patent Document 1, a part of the outer peripheral cylinder part (peripheral wall 2) (breaking removal part 12 or knob 20) of the cap body (pour plug B) is pulled to the entire outer peripheral cylinder part. Therefore, a strong force was required when removing the cap body (pour stopper) from the mouth tube portion (mouth portion Aa) of the container (bottle A).

  In addition, the outer peripheral cylindrical portion (peripheral wall 2) of the outer peripheral cylindrical portion (peripheral wall 2) of the cap main body is brought into contact with and slides on the outer peripheral surface of the container protruding cylindrical portion when the cap is plugged. As the part is pushed up from the lower part and spreads out, the weakened part (break line 3) may be cut, the cap body comes off from the container mouth tube part, and the sealing performance between the cap body and the container is deteriorated. There was a thing.

  An object of the present invention is to solve the above-mentioned problems, and can stably maintain the sealing in the container, and can easily remove the cap with a weak force when separating and discarding the cap and the container. An object of the present invention 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 attached to the container mouth tube portion and an upper lid as a hinge cap, and an engagement protrusion is provided on the outer periphery of the container mouth tube portion. The cap body is provided with an extraction cylinder and an engagement cylinder portion including an upper wall, an outer cylinder, and an inner cylinder, and the outer cylinder includes an outer peripheral wall portion and a connection wall portion. The outer peripheral wall portion is an upper engagement wall portion that engages with the container mouth tube portion, and is suspended from the lower end inner edge of the upper engagement wall portion. And an engaging protrusion whose upper part engages with the lower end of the engaging protrusion on the inner periphery of the lower engaging wall part. The connecting wall portion includes a connecting portion, an inner wall portion extending from the side end of the connecting portion to the other end of the outer peripheral wall portion, and an outer wall portion. Can be cut into a continuous portion between the inner wall portion and the lower engaging wall portion, a continuous portion between the outer wall portion and the connecting portion, and a continuous portion between the outer wall portion and the upper engaging wall portion. As an embodiment of the container mouth tube portion, the engagement protrusion of the container mouth tube portion is constituted by a flat surface having a certain height. Is adopted.

  As an embodiment of the connecting portion between the outer wall portion and the connecting portion, a configuration is adopted in which a gap is formed between the outer wall portion and the connecting portion, and the connecting portion is continuously provided by a breakable weakening piece. .

  In a hinge cap composed of a cap body and an upper lid attached to a container mouth tube portion, the cap body includes an extraction tube, an upper wall and an outer tube, an engagement tube portion including an inner tube and a lid engagement portion, The outer cylinder is composed of an outer peripheral wall portion and a connecting wall portion, and the outer peripheral wall portion is an upper engaging wall portion that engages with the engagement surface of the container mouth cylindrical portion with a certain tightening margin. The lateral weakening wall portion that can be cut and the lower engaging wall portion, the connecting wall portion extending from one end of the outer peripheral wall portion, and the other side of the outer peripheral wall portion from the inside of the side end of the connecting portion An inner wall portion extending to the inside of the end, an outer wall portion spaced from the outer periphery of the inner wall portion, extending from the outer side end of the connecting portion to the outer side of the other end of the outer peripheral wall portion, and having a hinge connected to the upper end of the outer periphery. The connecting portion between the inner wall portion and the lower engaging wall portion, the connecting portion between the outer wall portion and the connecting portion, and the connecting portion between the outer wall portion and the upper engaging wall portion can be cut. Since it is, by pulling the upper lid, the respective connecting portions and the transverse weakened wall portion is easily cut, it could be removed from the container mouth cylindrical portion also easily with a small force to the cap.

  Further, since the lateral weakening wall portion of the outer cylinder can be deformed in the vertical direction, the lower engagement wall portion can be pushed up at the time of stoppering, and the lateral weakening wall portion can be cut even if spread. Furthermore, there is no influence of the deformation of the lower engagement wall portion on the upper engagement wall portion, the sealing property between the upper engagement wall portion and the container mouth tube portion can be ensured, which is effective at the time of high temperature filling. is there.

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

An engagement protrusion 2 for mounting the cap main body B is provided on the outer peripheral upper end portion of the mouth tube portion 1 of the container A.
The outer peripheral surface of the engaging protrusion 2 is a flat engaging surface 2a.

  As shown in FIGS. 1 and 2, the cap body B includes an extraction cylinder 5 and an engagement cylinder portion 6 that is connected to the outside of the extraction cylinder 5 and is attached to the mouth tube portion of the container.

  A partition wall 7 is provided in the lower part of the inner periphery of the dispensing cylinder 5, and the partition wall 7 is provided with a removal portion 8 that includes a pull ring 8 a and opens a spout.

The engagement cylinder portion 6 includes a ring-shaped upper wall 9, an inner cylinder 10 suspended from the inner periphery of the upper wall 9, and an outer periphery of the upper wall 9, and is hinged to a predetermined position at the upper end of the outer periphery. The outer cylinder 11 is provided with a continuous D, and the lid engaging portion 12 is provided on an upper portion of the upper wall 9 and engages with the upper lid C.
An annular wall 13 is provided inside the lower end of the inner cylinder 10, and an extraction cylinder 5 is connected to the inner edge of the annular wall 13.

  The outer cylinder 11 includes an outer peripheral wall portion 14 provided around the opposite side of the hinge D and a connecting wall portion 15 on the hinge D side that connects both side ends 14a and 14b of the outer peripheral wall portion 14.

The outer peripheral wall portion 14 is connected to the upper wall 9, and the upper engagement wall portion 16 is engaged with the engagement surface 2 a of the engagement protrusion 2 of the container A with a certain tightening margin. A laterally weakened wall 17 that is vertically suspended at the lower edge of the wall 16 and can be deformed in the vertical direction, and a lower engaging wall 18 that is vertically suspended at the lower end of the laterally weakened wall 17. It is made up of.
On the inner periphery of the lower engagement wall portion 18, an engagement protrusion 19 whose upper portion engages with the lower end of the engagement protrusion 2 is provided.

The connecting wall portion 15 includes a connecting portion 20 extending from the side end 14a of the outer peripheral wall portion 14, an inner wall portion 21 connecting the inside of the side end of the connecting portion 20 and the inner side of the side end 14b of the outer peripheral wall portion 14, and an inner wall. The outer wall portion 22 extends from the outer side of the side end 14b of the outer peripheral wall portion 14 so as to form a gap b on the outer side of the side end of the connecting portion 20 with an interval a from the outer periphery of the portion 21.
A hinge D is connected to the outer peripheral upper end of the outer wall portion 22.

  A breakable lower longitudinal weakened portion 23 formed by a notch is formed in a continuous portion between the inner wall portion 21 and the lower engagement wall portion 18.

  The outer wall portion 22 and the connecting portion 20 are connected via a weakened piece 24 that can be broken.

  A breakable upper longitudinal weakening portion 25 is formed at a continuous portion between the outer wall portion 22 and the upper engagement wall portion 16.

The upper lid C includes a top wall 30 and an outer peripheral wall 31 that is suspended from the periphery of the top wall 30, and is inserted into the lower surface of the top wall 30 on the inner peripheral upper portion of the pouring cylinder 5 of the cap body B. The inner cylinder 32 is suspended.
An engaging portion 33 that engages with the lid engaging portion 12 of the engaging cylinder portion 6 of the cap main body B is provided at the inner peripheral lower portion of the outer peripheral wall 31.

Next, the effect of the hinge cap of this invention is demonstrated.
The present invention engages the engaging portion 33 of the outer peripheral wall 31 of the upper lid C with the lid engaging portion 12 of the engaging cylindrical portion 6 of the cap main body B, and the note of the inner cylinder 32 of the upper lid C and the cap main body B. After engaging the outlet cylinder 5 and closing the upper lid C on the cap body B, the container A is filled with the content liquid, and the hinge cap closed on the mouth tube portion 1 is plugged from above.

  Since the hinge cap of the present invention is provided with a deformable lateral weakening wall portion 17 on the outer peripheral wall portion 14 of the outer cylinder 11 of the cap body B, the inner wall of the lower engagement wall portion 18 of the cap body B at the time of plugging is provided. When the circumferential engagement protrusion 19 descends while sliding on the outer surface of the engagement protrusion 2 of the container A, as shown in FIG. Even if the portion 18 is pushed up with respect to the upper engagement wall portion 16, it is possible to prevent the lateral weakening wall portion 17 from being cut.

After the plugging, the cap tube portion 1 of the container A is held between the outer periphery of the inner tube 10 of the engaging tube portion 6 of the cap body B and the inner periphery of the outer tube 11, and the engaging protrusion 19 of the cap body B is sandwiched. Is engaged with the lower end portion of the engagement protrusion 2 of the container A mouth tube portion 1 to prevent the cap body B from falling off and is attached to the mouth tube portion 1 of the container A.
Moreover, since the inner periphery of the upper engagement wall portion 16 of the outer cylinder 11 of the cap body B is in close contact with the engagement surface 2a of the engagement protrusion 2 of the container A, the thickness of the outer cylinder that is in close contact with the engagement surface is reduced. It is possible to take the maximum amount, and even if it is filled at a high temperature, deformation due to heat can be prevented.

When the hinge cap is removed from the container and discarded after the content liquid has been used, the upper lid C is first opened, and then the upper lid C is gripped and pulled downward.
When the upper lid C is pulled downward and rearward, the outer wall portion 22 of the engaging cylinder portion 6 of the cap body B is pulled through the hinge D, the weakening piece 24 between the outer wall portion 22 and the connecting portion 20, and the upper engaging wall. The upper longitudinal weakening portion 25 and the portion 16 are cut first, the upper longitudinal weakening portion 25 is cut first, then the weakening piece 24 is cut, and the outer wall portion 22 is connected as shown in FIG. Separated from the wall 15.

  Next, when the upper lid C is pulled in the lateral direction, the side wall 14b side of the lower engagement wall portion 18 is pulled together with the outer wall portion 22, and the lower longitudinal weakening portion 23 between the lower engagement wall portion 18 and the inner wall portion 21 is cut. At the same time, the lateral weakening wall portion 17 with the upper engagement wall portion 16 is gradually cut, and the lower engagement wall portion 18 is pulled away from the outer cylinder 11 as shown in FIG.

  When the lower engagement wall portion 18 is pulled away from the outer cylinder 11, the engagement protrusion 19 at the lower end of the inner periphery of the lower engagement wall portion 18 and the engagement protrusion 2 of the container A are disengaged, When the lower engagement wall portion 18 is connected to the remaining outer cylinder 11 via the connection wall portion 15, and when the lower engagement wall portion 18 is pulled upward, the cap body B becomes the mouthpiece of the container A. It can be easily removed from the section 1 and disposed of separately.

  In the present invention, the hinge cap can be prevented from being damaged by deformation of the hinge cap at the time of stoppering, the inside of the container after stoppering can be kept sealed, and the hinge cap can be easily attached by pulling the upper lid. Since it can be removed from the container mouth and separated and discarded, it can be widely used as a hinge cap capable of separating and discarding containers of various contents.

It is explanatory drawing of this invention hinge cap, (a) is a cross-sectional side view, (b) is a bottom view. It is explanatory drawing of a cap main body, (a) is a side view by the side of a hinge, (b) is a top view. It is explanatory drawing of the principal part of the cap main body at the time of stoppering, (a) is at the time of completion | finish of sliding, (a) when the engagement protrusion of a cap main body slides in a container opening | mouth cylinder part. It is explanatory drawing when an upper cover is pulled, (a) When an outer wall part leaves | separates from a connection wall part, (b) is at the time of a horizontal weakening part cutting | disconnection.

Explanation of symbols

A Container B Cap body C Upper lid D Hinge a Interval b Gap 1 Mouth tube portion 2 Engagement projection 2a Engagement surface 5 Extraction tube 6 Engagement tube portion 7 Bulkhead 8 Removal portion 8a Pull ring 9 Upper wall 10 Inner tube 11 Outside Cylinder 12 Lid engaging part 13 Annular wall 14 Outer peripheral wall part 14a, 14b Side end 15 Connecting wall part 16 Upper engaging wall part 17 Lateral weakening wall part 18 Lower engaging wall part 19 Engaging protrusion 20 Connecting part 21 Inner wall part 22 outer wall portion 23 lower longitudinal weakening portion 24 weakening piece 25 upper longitudinal weakening portion 30 top wall 31 outer peripheral wall 32 inner cylinder 33 engaging portion

Claims (3)

In a hinge cap consisting of a cap body and an upper lid attached to the container mouth tube part,
An engagement protrusion is provided on the outer periphery of the container mouth tube,
The cap body is composed of an extraction tube, an engagement tube portion including an upper wall, an outer tube, and an inner tube,
The outer cylinder is composed of an outer peripheral wall portion and a connecting wall portion,
The outer peripheral wall portion is an upper engagement wall portion that engages with the container mouth tube portion, and a lateral weakening wall portion that is suspended from the lower end inner edge of the upper engagement wall portion and can be deformed in the vertical direction and can be cut. The lower engaging wall portion suspended from the lower end of the lateral weakening wall portion,
On the inner periphery of the lower engagement wall portion, an engagement protrusion is provided with an upper portion engaged with the lower end of the engagement protrusion.
The connecting wall portion includes a connecting portion, an inner wall portion extending from the side end of the connecting portion to the other end of the outer peripheral wall portion, and an outer wall portion, and a hinge is continuously provided on the outer peripheral upper end of the outer wall portion,
The connecting portion between the inner wall portion and the lower engaging wall portion, the connecting portion between the outer wall portion and the connecting portion, and the connecting portion between the outer wall portion and the upper engaging wall portion can be cut. Hinge cap.   The hinge cap according to claim 1, wherein the engagement protrusion of the container mouth tube is configured by a flat surface having a certain height.   The hinge cap according to claim 1 or 2, wherein a gap is formed between the outer wall portion and the connecting portion, and the hinge cap is connected by a weakening piece that can be broken.

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