JP5269360B2 - Hinge cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinged cap which has no possibility of opening the upper lid of the hinged cap by increasing in pressure caused by increasing in air pressure in the cap by heating and enables the upper lid to be opened and closed without requiring a remarkably strong force for a user. <P>SOLUTION: In the hinged cap mounted on a mouth cylindrical part of a container and consisting of a cap main body and the upper lid, the cap main body is equipped with a spouting cylinder, an engaging cylindrical part fitted in the mouth cylindrical part of the container, and an outer peripheral cylindrical part continuously provided with the hinge on the upper end outer periphery. The engaging cylindrical part is provided with a lid engaging part engaging the upper lid, and the outer peripheral cylindrical part is equipped with the lid engaging part engaging the upper lid, and the outer peripheral cylindrical part is provided with the lid holding part on the upper end of the outer periphery on the opposite side of the hinge through a weakened part, and the upper lid is equipped with a top wall and an outer cylindrical wall. The lower end of the inner periphery of the outer cylindrical wall is enlarged in its diameter, and is provided with an engaging part for engaging with the lid engaging part of the engaging cylindrical part of the cap main body. At a specified position of the lower end of the outer periphery, the hinge is continuously provided, and on the opposite side of the hinge, a knob part provided with a projecting part at its center is arranged, and the projecting part of the knob part is engaged with the lid holding part of the cap main body. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

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 that can open and close the upper lid without the need to do so.

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 fitting engagement with the top cover to the upper end The outer peripheral cylindrical portion is provided with a lid holding portion protruding laterally through a weakened portion that can be cut at the outer peripheral upper end on the opposite side of the hinge, and the lid holding portion is connected to the weakened portion. A bottom wall, side walls erected on both sides of the bottom wall, and a pressing member erected between the upper front edges of both side walls. on the rear surface of the part, providing engagement surfaces, top cover, comprising a top wall, an outer tubular wall, the inner peripheral lower end of the outer cylinder wall is enlarged, keys -Up body engaging portion for fitting engagement with the cover engaging portion of the engaging tube portion is provided for, in a predetermined position on the outer circumference lower end, the hinge is continuously provided, on the opposite side of the hinge, projecting in the central portion A knob part is provided, and the protrusion part of the knob part is formed with engaging recesses on both sides of the root part to fit with the engaging protrusion parts of the side wall of the lid holding part, and the lid part is held in the center part. parts holding member and the inclined surface abuts is formed, the protruding portion of the knob portion, and to employ a structure, characterized in that fitted to the pressing member of the cover holding portion of the cap body.

The outer peripheral upper end of the hinge opposite the outer peripheral cylindrical portion of the cap body, the cover holding portion which projects laterally through a weakened portion cleavable provided the pressing member of the lid holder, the knob portion provided on the top cover it is so arranged to fit the projecting portion, with the fitting of the lid engaging portion and the engaging portion of the upper lid of the cap body, come to be fitted by two stations, a lid opening due to pressure rise in the upper cover In addition to preventing this, the fitting force is dispersed, so that the user can open the upper lid with less force.

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 partitioned 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. It has been.

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 inner periphery sandwiches the mouth tube portion of the container body, and the cap body A is attached to the mouth tube portion of the container body.

  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 of the outer peripheral cylindrical portion 5 on the opposite side of the hinge C, a lid holding portion 19 that protrudes laterally via a severable weakening portion 18 is provided.

The lid holding part 19 has an arcuate shape extending between a bottom wall 20 connected to the weakening part 18, side walls 21 standing on both sides of the bottom wall 20, and upper front edges of both side walls 21. It consists of a pressing member 22.
An engagement convex portion 23 is provided on the rear surface of the inner surface of the side wall 21, and an engagement surface 24 is formed on the rear surface of the pressing member 22 so as to come into contact with an inclined surface of a knob portion described later.

  The upper lid B includes a top wall 30 and an outer cylindrical wall 31 suspended from the peripheral edge of the top wall 30, and is sealed on the lower surface of the top wall 30 to be inserted into the inner periphery of the pouring cylinder 2 of the cap body A. A ring 32 is suspended.

The inner peripheral lower end of the outer cylinder wall 31 is enlarged in diameter, and an engaging portion 33 is provided to be fitted to the outer periphery of the lid engaging portion 12 of the engaging cylindrical portion 4 of the cap body A. Is provided with a hinge C, and on the opposite side of the hinge C, a knob 34 is provided.

  The engaging portion 33 is formed of an upper inner surface 33a 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 33b that engages with the outer periphery of the lid engaging portion 12. An engagement protrusion 35 that engages with the bulging portion 17 of the lid engagement portion 12 of the cap body A is provided at the lower end of the side inner surface 33b.

The knob 34 is provided with a protruding portion 34a at the center, and the protruding portion 34a is formed with an inclined surface 36 that contacts the engaging surface 24 of the pressing member 22 of the lid holding portion 19 of the cap body A. Engagement recesses 37 that fit with the engagement protrusions 25 of the side walls 21 on both sides of the lid holding part 19 are formed on both sides of the base part of the protrusion 34a.

Next, the effect of the hinge cap of a present Example is demonstrated.
When closing the hinge cap, the engaging portion 33 of the upper lid B and the lid engaging portion 12 of the cap body A are fitted together, and the protruding portion 34a of the knob 34 of the upper lid B and the lid holding portion of the cap body A The 19 pressing members 22 are fitted, and 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.

In the hinge cap of the present invention, the inclined surface 36 of the knob 34 of the upper lid B and the engaging recess 37 are fitted into the engaging surface 24 and the engaging convex 23 of the lid holding portion 19 of the cap body A, and the holding member 22 abuts against the inclined surface 36 of the knob 34 to add a fitting force of the upper lid B to the cap body A, and therefore, a fitting force between the engaging portion 33 of the upper lid B and the lid engaging portion 12 of the cap body A. Is not so strong, it is possible to prevent the lid from being opened due to an increase in internal pressure in the upper lid B.
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 between the fitting force by the lid engaging portion 12 and the fitting force by the lid holding portion 19 should be set appropriately. Can do.

When opening the upper lid B, when a finger or the like is put on the lid holding portion 19 of the cap main body A and lifted upward, as shown in FIG. The weakened portion 18 is continuously cut, and the upper lid B is opened while the lid holding portion 19 is fitted to the knob 34 of the upper lid B.
If necessary, a force is applied from below the pressing member 22 of the lid holding part 19 after the lid is opened, the pressing member 22 is deformed, the fitting between the knob 34 and the lid holding part 19 is removed, and the lid holding part 19 is removed. The knob 34 may be removed.

The hinge cap of the present invention, the closed during capping, the pressing member 22 of the cover holding portion 19 of the protruding portion 34a and the cap body A of the knob portion 34 of the upper lid B is fitted, the cap body A of the top cover B Therefore, the fitting force between the engaging portion 33 of the upper lid B and the lid engaging portion 12 of the cap body A can be set weakly. When the user opens the lid, The upper lid B and the cap main body A can be disconnected from the lid holding portion 19 and the knob portion 34, and the user can more easily open 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 part 5 and the engaging cylindrical part 4 as a fulcrum, the hinge C side of the outer peripheral cylindrical part 5 rises and the upper lid B is pulled, whereby the connecting piece of the outer peripheral cylindrical part 5 Also raise the 14th side.

  Finally, when the connection piece 14 side of the outer cylinder 11 of the engagement cylinder part 4 is pulled through the connection piece 14, the outer cylinder 11 of the engagement cylinder part 4 is deformed, and the cap body A and the mouthpiece of the container body The hinge cap can be easily removed from the container main body by disengaging from the part, and can be separated and discarded.

  The present invention can prevent the upper lid of the hinge cap from opening even if the contents in the container or the air in the hinge cap is heated by the hot water shower in the hinge cap and the internal pressure rises. It can be widely used as a hinge cap for a container of contents liquid 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 a top view before the hinge cap is closed. It is a principal part expansion explanatory view at the time of lid opening after stoppering 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 Engagement ridge 14 Connection piece 15 Weakening piece 16 Reduced diameter part 17 Expansion part 19 Lid holding part 20 Bottom wall 21 Side wall 22 Holding member 23 Engagement convex part 24 Engagement surface 30 Top wall 31 Outer cylinder wall 32 Seal ring 33 Engagement portion 33a Upper inner surface 33b Side inner surface 34 Knob portion 34a Projection portion 35 Engagement projection portion 36 Inclined surface 37 Engagement recess portion

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.
Engagement tube portion includes a lid engaging portion for fitting engagement with the top cover to the upper end,
The outer peripheral cylinder part is provided with a lid holding part that protrudes laterally through a weakened part that can be cut at the outer peripheral upper end on the opposite side of the hinge,
The lid holding part comprises a bottom wall connected to the weakened part, side walls erected on both sides of the bottom wall, and a pressing member erected between the upper front edges of both side walls,
An engagement convex part is provided on the inner surface rear part of the side wall,
An engagement surface is provided on the rear surface of the holding part,
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 on the opposite side of the hinge, a knob having a protruding portion at the center is disposed.
The protrusion of the knob is formed with an engaging recess that fits with the engaging protrusion on the side wall of the lid holding part on both sides of the root part, and an inclined surface that contacts the pressing member of the lid holding part at the center. Formed,
The hinge cap protrusion of the knob portion, characterized in that fitted to the pressing member of the cover holding portion of the cap body.

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