JP5269361B2 - Hinge cap - Google Patents

Description

  The present invention relates to a hinge cap, in particular, a hinge cap that prevents the upper lid from being opened by heating the air in the upper lid of the cap by the heat-sterilized content liquid filled in the container and increasing the internal pressure. It is.

In hinge caps filled with heated content liquid for sterilization, filling the content liquid and capping the hinge cap, then sterilizing the inside of the container, then washing and cooling with a hot water shower from the outside of the container has been conventional Has been done.
Further, in order to prevent the upper lid from opening due to an increase in air pressure in the cap due to the heat treatment for sterilization, the main protrusion is formed on the protrusion of the upper lid that engages with the protrusion for engagement of the cap body. It is also conventionally known to provide an auxiliary protrusion and to double the locking mechanism to prevent the upper lid from being opened (see, for example, Patent Document 1).
JP-A-11-35061

  However, since the conventional hinge cap described in Patent Document 1 prevents the upper lid from further rising and prevents the upper lid from being opened by engaging the auxiliary protrusion, the user opens and closes the upper lid. In order to do this, the auxiliary protrusion has to get over the protrusion for engagement of the cap body, and there is a problem that a large force is required for opening the lid.

  An object of the present invention is to solve the above-mentioned problems, and the upper lid of the hinge cap does not open due to the increase in pressure due to the increase in the pressure of air in the cap due to heating, and the user needs a strong force. An object of the present invention is to provide a hinge cap capable of opening the upper lid without first.

In order to solve the above-described problems, the present invention provides a hinge cap that is attached to a mouth tube portion of a container as a hinge cap, and includes a cap body and an upper lid. The cap body includes a dispensing tube and a container mouth tube portion. an engaging tubular portion is fitted, it is provided on the outer circumference of the engaging cylindrical portion, comprising an outer peripheral tube portion for continuously arranged a hinge to the upper end outer circumference, the engaging cylindrical portion, the lid engaging the upper lid and fitted to the upper end A joint is provided, and the outer peripheral cylinder part is provided with a lid engaging part protruding laterally through a weakened part that can be cut at the outer peripheral upper end on the opposite side of the hinge, and the lid engaging part is weakened An arc-shaped bottom wall connected via a portion, and side walls erected on both sides of the upper surface of the bottom wall, and an engagement protrusion is disposed on the upper surface of the inner surface of the side wall, , comprising an outer tubular wall, the inner peripheral lower end of the outer cylinder wall is enlarged, the engaging portion is provided et the fitting engagement between the lid engaging portion of the engaging cylindrical portion of the cap body , The predetermined position on the outer circumference lower end, the hinge is continuously provided, on the opposite side of the hinge, the knob portion is provided, the upper surface side ends of該摘viewed portion, the engagement of the side walls of the lid engaging portion of the cap body to adopt a structure which is characterized in that it is protruding lower surface and the fitting.

At the outer peripheral upper end of the outer peripheral cylinder part of the cap body on the outer peripheral upper end, a lid locking part protruding laterally via a severable weakening part is provided, and the lid locking part is fitted with a knob provided on the upper lid As a result, the fitting force between the lid locking portion and the knob is added to the fitting between the cap engaging portion of the cap body and the engaging portion of the upper lid outer cylindrical wall, thereby strengthening the fitting force between the cap body and the upper lid. Since the lid is prevented from opening due to an increase in pressure in the upper lid and the fitting force is dispersed, the user can open the upper lid more easily.

Next, the hinge cap of this invention is demonstrated with reference to drawings.
1 and 2, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.

  The cap body A includes a bottom wall 1, a pouring cylinder 2 provided continuously around the periphery of the bottom wall 1, and an engaging cylinder portion provided continuously from the outer periphery of the lower end of the pouring cylinder 2 via the ring-shaped bottom wall 3. 4 and an outer peripheral cylindrical portion 5 which is connected to the outer periphery of the engaging cylindrical portion 4 with a constant interval and has a hinge C connected to the outer periphery of the upper end.

  The bottom wall 1 is provided with a removal portion 7 defined by a thin weakened portion 6 that opens the spout, and a pull ring 8 is provided on the upper surface of the removal portion 7 to pull up the removal portion 7 when opened. Yes.

The engaging cylinder portion 4 is provided on the ring-shaped upper wall 9, the inner cylinder 10 that is suspended from the inner peripheral edge of the upper wall 9, and is connected to the outer peripheral edge of the ring-shaped bottom wall 3 on the inner periphery. The outer cylinder 11 is provided on the top of the upper wall 9, and the lid engaging portion 12 is fitted on the upper lid B.
Engagement ridges 13 that engage with the outer periphery of the mouth tube portion of the container main body are provided on the inner periphery of the outer tube 11. The cap body A is attached to the mouth tube portion of the container body by sandwiching the mouth tube portion of the container body by the inner periphery.

  The outer periphery of the lower end of the outer cylinder 11 and the inner periphery of the lower end of the outer cylinder part 5 are connected pieces 14 provided on the opposite side of the hinge C of the outer cylinder part 5 and a plurality of breakable weakening pieces arranged at intervals. 15 are connected to each other.

  On the outer periphery of the lid engaging portion 12, a reduced diameter portion 16 that is reduced in diameter from the outer periphery of the outer cylinder 11 and a bulging portion 17 that is expanded in diameter from the reduced diameter portion 16 are formed at the upper end portion.

At the outer peripheral upper end on the opposite side of the hinge C of the outer peripheral cylindrical part 5, a lid locking part 19 projecting laterally via a severable weakening part 18 is provided.
The lid locking portion 19 includes an arc-shaped bottom wall 20 connected via the weakening portion 18 and side walls 21 standing on both sides of the upper surface of the bottom wall 20. An engagement protrusion 22 is provided.

  The upper lid B includes a top wall 25 and an outer cylindrical wall 26 suspended from the periphery of the top wall 25, and a seal inserted into the inner periphery of the pouring cylinder 2 of the cap body A on the lower surface of the top wall 25. A ring 27 is suspended.

The inner peripheral lower end of the outer cylindrical wall 26 is enlarged in diameter, and an engagement portion 28 that is fitted to the outer periphery of the lid engaging portion 12 of the engagement cylindrical portion 4 of the cap body A is provided. Is provided with a hinge C, and a knob 29 is disposed on the opposite side of the outer peripheral lower end of the hinge C.

  The engaging portion 28 is formed of an upper inner surface 28a that contacts and engages with the upper surface of the lid engaging portion 12 of the cap body A when the cap is closed, and a side inner surface 28b that engages with the outer periphery of the lid engaging portion 12. At the lower end of the side inner surface 28b, an engagement protrusion 30 that engages with the bulging portion 17 of the lid engagement portion 12 of the cap body A is provided.

Knob 29 is fitted at the time of closing the cap, with both sides is engaged with the inner surface of the side wall 21 of the lid engaging portion 19 of the cap body A, the upper surface side end is in engagement protrusion 22 the lower surface of the side wall 21 And it is formed so as to fit inside the lid locking portion 19.

Next, the effect of the hinge cap of this invention is demonstrated.
It closed when the hinge cap, causes the fitting of the lid engaging portion 12 of the engaging portion 28 and the cap body A of the upper lid B, fitting the knob portion 29 of the upper lid B lid engaging portion 19 of the cap body A The upper lid B is closed to the cap body A.
The container body is filled with the heated content liquid, and a closed hinge cap is plugged into the mouth tube portion of the container body from above.

The hinge cap of the present invention adds a fitting force of the upper lid B to the cap body A by fitting the knob portion 29 of the upper lid B to the lid locking portion 19 of the cap body A. Even when the engaging force between the engaging portion 28 of the upper lid B and the lid engaging portion 12 of the cap body A is not so strong when the internal pressure is increased, the lid can be prevented from opening.
The fitting force between the cap body A and the upper lid B immediately after heating and filling may be 6 to 13 Newton, and the distribution of the fitting force by the lid engaging portion 12 and the fitting force by the lid locking portion 19 is set appropriately. it can.

When the upper lid B is opened, when a finger or the like is hung on the lid locking portion 19 of the cap body A and lifted upward, as shown in FIG. 3, the lid locking portion 19 and the outer peripheral cylinder portion of the cap body A 5 is cut, and the upper lid B is opened while the lid locking portion 19 is fitted to the knob 29 of the upper lid B.
If necessary, the lid locking portion 19 may be removed from the knob 29 after the lid is opened.

The hinge cap of the present invention is fitted a lid engaging portion 19 of the knob portion 29 and the cap body A of the upper lid B, that the upper lid B is added fitting force relative to the cap body A, the engagement of the top cover B The fitting force between the joint portion 28 and the lid engaging portion 12 of the cap main body A can be set weakly, and when the user opens the lid, the upper lid B and the cap main body by the lid engaging portion 19 and the knob portion 29 Since the fitting with A can be removed, the user can more easily open and close the upper lid.

When discarding the container, the hinge cap of the present invention first opens the upper lid B and pulls the upper lid B up to raise the outer peripheral cylindrical portion 5 of the cap main body A via the hinge C, and the outer peripheral cylindrical portion. The weakening piece 15 between 5 and the engagement cylinder part 4 is cut | disconnected.
Next, with the connecting piece 14 between the outer peripheral cylindrical portion 5 and the engaging cylindrical portion 4 as a fulcrum, when the hinge C side of the outer peripheral cylindrical portion 5 rises and the upper lid B is pulled, the connecting piece 14 of the outer peripheral cylindrical portion 5 is pulled. The side is also raised.

  Finally, since only the connection piece side of the outer cylinder 11 of the engagement cylinder portion 4 is pulled through the connection piece 14, the outer cylinder 11 of the engagement cylinder portion 4 is deformed, and the cap body A and the mouth tube portion of the container body The hinge cap can be easily removed from the container body and separated and discarded.

  In the present invention, the hinge cap is closed and then the container is plugged into the container, so that the liquid in the container or the air in the hinge cap is heated by the hot water shower, and the upper cover of the hinge cap is opened. Therefore, it can be widely used as a hinge cap for containers of various contents to be heated and filled.

It is explanatory drawing of the hinge cap of this invention, (a) is a sectional elevational view, (b) is a principal part enlarged view. It is an upper side figure at the time of lid opening of a hinge cap. It is principal part expansion explanatory drawing at the time of lid opening of a hinge cap.

Explanation of symbols

A Cap body B Top cover C Hinge 1 Bottom wall 2 Extraction cylinder 3 Ring-shaped bottom wall 4 Engagement cylinder part 5 Outer cylinder part 6, 18 Weakening part 7 Removal part 8 Pull ring 9 Upper wall 10 Inner cylinder 11 Outer cylinder 12 Lid Joint part 13 Engaging protrusion 14 Connecting piece 15 Weakening piece 16 Reduced diameter part 17 Expanding part 19 Lid locking part 20 Bottom wall 21 Side wall 22, 30 Engaging protrusion 25 Top wall 26 Outer cylinder wall 27 Sealing ring 28 Engagement Joint part 28a Upper inner surface 28b Side inner surface 29 Knob part

Claims (1)

In the hinge cap attached to the mouth tube portion of the container and consisting of a cap body and an upper lid,
The cap body includes an extraction cylinder, an engagement cylinder part fitted to the container mouth cylinder part, an outer periphery cylinder part provided on the outer periphery of the engagement cylinder part, and a hinge connected to the outer periphery of the upper end.
Engaging tube portion, the lid engaging portion of the upper lid and the fitting is provided at the upper end,
The outer peripheral cylinder part is provided with a lid locking part protruding laterally through a weakened part that can be cut at the outer peripheral upper end on the opposite side of the hinge,
The lid locking portion includes an arc-shaped bottom wall connected via a weakened portion, and side walls provided upright on both sides of the upper surface of the bottom wall,
An engagement protrusion is disposed on the inner surface upper end of the side wall,
The upper lid has a top wall and an outer cylinder wall,
The inner peripheral lower end of the outer cylinder wall is enlarged, the engaging portion is provided with a fitting engagement with the cover engaging portion of the engaging cylindrical portion of the cap body,
A hinge is continuously provided at a predetermined position on the lower end of the outer periphery, and a knob is provided on the opposite side of the hinge.
該摘upper surface side end of the saw unit, hinge cap, characterized in that it is engaging projections lower surface and the fitting of the side wall of the lid engaging portion of the cap body.

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