JP2001122314A - Hinged cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinged cap with a virgin mechanism wherein predetermined durability of an outer, lid can be kept and, in addition, an initial hole can be formed on a shield plate with slight force. SOLUTION: The hinged cap includes a cap-formed inner plug 10 which is put over and fixed to a mouth 2 of a container 1 and has a stopper ring 20 on a lower end rim and a hinged cap body 30 which is put over and fixed to the inner plug 10 in a vertically movable manner and to prevent the plug 10 from moving by the stopper ring 20. In this case, the inner plug 10 is formed of a flexible synthetic resin, and a film 15 is integrally formed with a pour-out port 14 on an upper surface wall of the plug 10 of the same flexible synthetic resin as the plug 10 to have the port 14 closed. A closing protrusion 35 to be liquid-tightly inserted into the port 14 is provided on a rear face of a cap closure 33 of the hinged cap body 30, and a sharp edge 36 for tearing the film 15 when inserted into the port 14 for the first time is formed at a lower end of the protrusion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge cap having a structure capable of holding a closed state in a container by being covered and fixed to the mouth of a container containing a bottle of glass, synthetic resin, etc. The present invention relates to a hinge cap with a virgin mechanism that can be opened at a time.

[0002]

2. Description of the Related Art Hitherto, as this kind of hinge cap with a virgin mechanism, there is one disclosed in Japanese Patent Application Laid-Open No. H11-79225. As shown in FIG. 8, this is a cosmetic bottle or a hinge cap for a container containing an additive-free cosmetic liquid or the like to which no preservative or the like is added.
An inner cap 48 having an inner peripheral wall 48b having a U-shaped cross section and a shielding plate 48c for closing a lower end of the inner cap 48 is covered and fixed to the opening 42, and an outer cap 49 is covered on the inner plug 48. Crown, fixed structure.

[0003] The inner plug 48 has a large-diameter annular band portion 48f at the lower end edge of an outer peripheral wall 48a, and the annular band portion 48f is cut at one location so that one end portion 48g is directed outward. It is protruding. The outer cap 49 is provided with the inner plug 4.
8 comprises a main body cap 50 that covers the top of the body cap 8, and an outer lid 51 having a projection 51a that fits into and closes the small hole 50a of the main body cap 50. The lower end edge of the guide tube 52 has a sharp cross section, and is opposed to the shielding plate 48c. Then, when the annular band portion 48f is separated from the inner plug 48 and the outer cap 49 is pressed downward, the lower end edge of the outer cap 49 (the inner peripheral annular projection 50d of the outer peripheral wall 50c of the main body cap) is closed by the opening 42 of the container 41. In addition to being locked to the outer periphery (the lower annular concave portion 47 below the annular protrusion 45 of the container outer peripheral wall 43), the lower end edge of the guide tube 52 cuts the shielding plate 48c to open an initial hole. ing.

The outer lid 51 has a projection 51a at the center on the inner side, which can be fitted into the small hole 50a.
0 is openably and closably attached to the upper end of the outer peripheral wall 50c by a hinge.

[0005] According to the hinge cap with a virgin mechanism having the above-described structure, an appropriate liquid or the like is put in the container 41 and the inner plug 48 is covered and fixed, so that the container 41 is sealed. Transported or stored. Then, when a consumer or the like uses the contents of this container 41, as described above,
When the outer cap 49 is pushed down, the inner plug 48 is broken in the outer cap 49, and the outer cap 49 is fixed in this state. Then, a customer or the like can take out the liquid or the like inside by opening and closing the outer lid of the outer cap 49.

[0006]

However, the conventional hinge cap with a virgin mechanism has the disadvantage that the outer cap 4
9, the main body cap 50 and the outer lid 51 are provided with a hanging portion called a guide cylinder 52 or a projection 51a, and when combined with the hanging portion provided by the inner peripheral wall 48b of the inner plug 48, a total of three hanging portions It has parts in multiple stages up and down, and its configuration is relatively complicated. That is, the first
Then, when the inner plug 48 is fitted into the mouth 42 of the container 41, its inner peripheral wall 48b hangs down along the inner periphery of the outer peripheral wall 43 of the mouth 42,
The shielding plate 48c is located below the inner periphery of the opening 42 to shield the hollow portion of the opening 42. Second, the body cap 50
Is covered on the inner plug 48, the guide tube 52 hung down in the main body cap 50 is positioned opposite the shielding plate 48c, and the shielding plate 48c can be cut by pushing. Third, when the outer lid 51 is covered with the main body cap 50, the projection 51a of the outer lid 51 fits into the small hole 50a of the main body cap 50, and the container 41 is sealed.

As a method of solving the problem that this structure is complicated, for example, an outer lid 51 is integrally provided on the inner plug 48 so as to be openable and closable by a hinge, and the body cap 50 is omitted. And a structure in which a notch means corresponding to the guide cylinder 52 is provided, or a structure in which a sealing material is stuck to the opening head of the opening 42 of the container 41 instead of the inner plug 48 can be considered.

However, in the case where the outer lid 51 is provided integrally with the inner plug 48 by a hinge, the inner plug 48 and the outer lid 5 are provided.
1 will be integrally molded from the same synthetic resin. However, the outer lid 51 needs a predetermined rigidity. For this reason, in order to secure the rigidity of the outer lid 51, the shielding plate 48c formed on the inner plug 48 is made of the same hard resin, so that a large force is required to make an initial hole in the shielding plate 48c. Problem arises.

When a sealing material is applied to the opening of the opening 42 of the container 41, the sealing material can be cut with a small force, but the sealing material is applied so as to maintain a sealed state. That is, a technically more sophisticated and complicated process is required separately, which is troublesome as compared with a case where the inner plug 48 is provided in a fitting form.

Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide a hinge cap with a virgin mechanism capable of securing a predetermined rigidity of an outer lid and forming an initial hole in a shielding plate with a small force. It is in.

[0011]

In order to achieve the above object, the invention according to claim 1 is a cap-shaped inner plug attached to a mouth of a container such as a bottle, the inner plug being provided at a lower end edge of an outer peripheral wall thereof. An inner cap provided with a stopper ring having a large diameter that can be separated and attached, and a hinge cap main body attached to the inner plug so as to be vertically movable, the lower end of which is mounted on the stopper ring. In the hinge cap having the above, the inner plug is formed of a synthetic resin of a soft material, a spout is formed on an upper wall of the inner plug, and the spout is formed by integrally forming a thin film on the spout. Closed, the hinge cap body is composed of a cap body that is attached to the inner plug and a cap lid that is provided on the cap body so that it can be opened and closed by a hinge, and on the back surface of the cap lid. The plugging protrusion which is inserted into the spout disposed at the lower end of the projection for the closed plug, characterized in that the formation of the tip which cuts through the thin film by lowering the hinge cap body.

In the hinge cap of the present invention, the inner plug and the thin film are made of a soft synthetic resin, for example, a polyethylene resin. Therefore, tearing of the thin film is easier than when the inner plug is made of the same hard material as the hinge cap body, and a desired good sharpness can be obtained with a small force. That is, it is possible to achieve the desired sealing action of the inner plug and the initial tearing action of the thin film while securing the necessary rigidity of the hinge cap body.

Further, since the hinge cap of the present invention has a configuration in which the conventional guide cylinder is omitted, the configuration is simplified.
It can be easily manufactured.

Furthermore, the hinge cap of the present invention has a construction in which the mouth of the container is sealed with a synthetic resin inner plug.
Compared to a structure in which a sealing material is stuck to the opening of the mouth of the container, assembly is easier and the production is not troublesome.

The invention described in claim 2 is the first invention.
In the hinge cap described above, an annular projection for sealing having an outer diameter slightly larger than the inner diameter of the spout is provided on the outer peripheral surface of the plugging projection, and when the cap lid is closed, it is engaged with a lower end of the spout. It is characterized in that it is detachably engaged to ensure sealing performance.

In the present invention, the inner plug is made of a soft synthetic resin. For this reason, the annular projection for sealing has a diameter larger than that of the spout, and is detachably engaged with the lower surface of the spout via the spout, despite being provided on the closure projection of the hinge cap body. Can be combined. This prevents inadvertent removal of the plugging projection, and stably maintains the airtightness. In addition, the passage of the sealing annular projection allows the spout, which has been expanded slightly elastically, to be released from its tension state, and to be brought into close contact with the closing projection side of the hinge cap main body by its return force, thereby providing a more complete structure. Sealing can be ensured.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the illustrated embodiment.

This embodiment is basically a container 1 such as a bottle.
A cap-shaped inner plug 10 attached to the opening 2 of the first embodiment, the inner plug 10 having a large-diameter stopper ring 20 that can be brought into contact with and separated from the lower end edge of the outer peripheral wall 12 thereof; Hinge cap body 3 that can be attached
In a hinge cap having a hinge cap main body 30 whose lower end is placed on the stopper ring 20, the inner plug 10 is formed of a soft synthetic resin, and the inner plug 10 is poured into the upper wall 11 of the inner plug 10. While forming the outlet 14,
The spout 14 is closed by forming a thin film 15 integrally with the spout 14, and the hinge cap body 30 is attached to the inner plug 10.
And a cap lid 3 provided on the cap body 31 so as to be opened and closed by a hinge 32.
3 is provided on the back surface of the cap lid portion 33, a stopper projection 35 to be inserted into the spout is provided, and the hinge cap body 30 is lowered at the lower end of the stopper projection 35 to form the thin film 1
5 is formed by forming a pointed portion 36 that cuts through.

On the outer peripheral surface of the plugging projection 35, an outer diameter slightly larger than the inner diameter of the spout 14 is used to form the annular projection 3 for sealing.
When the cap lid 33 is closed, the cap 7 is engaged with the lower end of the spout 14 in a detachable manner so as to secure a sealing property.

In the mouth 2 of the container 1 used in this embodiment,
As shown in FIG. 1, an annular projection 4 is provided on the outer periphery of the outer peripheral wall 3 of the mouth 2. Below the annular projection 4, there is a space 5 in which a later-described stopper ring 20 is located.

At the mouth 2 of the container 1, an inner plug 10 made of a soft synthetic resin, here a polyethylene resin, and a hinge cap body 30 made of a synthetic resin of a harder material are sequentially provided as shown in FIG. Be crowned.

<Inner Plug 10> As shown in FIGS. 1 and 2, the inner stopper 10 is a top wall 1 that covers the top opening of the mouth 2 of the container 1.
1 and an outer peripheral wall 12 covering the outer peripheral wall 3 of the mouth 2
And an inner peripheral wall 13 hanging down from the upper end of the outer peripheral wall 12 to the inside of the outer peripheral wall 12 in an inverted U-shaped cross section. A raised portion 11a is formed substantially at the center of the upper surface wall 11, and a spout 14 formed in an upwardly divergent shape is provided in the raised portion 11a. At the lower end of this spout 14,
A thin film 15 for shielding the mouth 2 of the container 1 is provided.

As can be seen from FIG. 4, the inner peripheral wall of the spout 14 has a guide surface portion 14a inclined downward and tapered.
At its lowermost end, a sealing surface portion 14b composed of a hole having the same diameter
Are formed. An outer peripheral edge 15a of the thin film 15 which is in contact with the sealing surface portion 14b of the spout 14 is thin so as to be easily cut. The thin film 15
Below, is formed an open recess 16 opened to the lower side in order to form an escape space for the separated thin film 15 except for one side.

On the inner surface of the lower end of the outer peripheral wall 12 of the inner plug 10, there is provided an annular recess 17 which engages with the annular projection 4 of the outer peripheral wall 3 of the container 1. ,
Engagement projections 18 protruding from the outer periphery and engaging with engagement recesses 34 provided on the inner surface of the cap body 31 of the hinge cap body 30 are provided at two locations diametrically opposed to each other.

Further, a stopper ring 20 that can be cut off is added to the lower end edge of the inner plug 10.
The stopper ring 20 has a stepped portion 21 on which the lower end of the hinge cap body 30 is placed (FIG. 6).
The inner diameter is slightly larger than the outer wall 12 and the outer diameter is larger than the outer wall 1 so as to be continuous from the outer wall 12.
It is formed larger than 2. As shown in FIG. 6, the lower end of the outer peripheral wall 12 of the inner plug 10 is connected to the stopper ring 20 at a dashed connection portion 22 so that the stopper ring 20 can be easily cut off. It is cut at (cutting point 23), and one end thereof protrudes outward as a grip portion 24 at the time of cutting.

When the inner plug 10 is fitted into the mouth 2 of the container 1, the outer peripheral wall 12 of the inner plug 10 is covered by the outer periphery of the outer peripheral wall 3 of the mouth 2, as shown in FIG. The stopper ring 20 at the lower end is provided with an annular projection 4 provided on the outer periphery of the mouth 2.
And in the space 5 between the container 1 and the shoulder 6. The inner peripheral wall 13 of the inner plug 10 hangs down along the inner periphery of the outer peripheral wall 3 of the mouth 2, and the inner peripheral wall 13 and the outer peripheral wall 12 are
, The inner plug 10 is attached to the mouth 2 of the container 1. The inner plug 10 is prevented from coming off by fitting an annular recess 17 projecting into the inner periphery of the outer peripheral wall 12 of the inner plug 10 into the upper annular projection 4 of the outer peripheral wall 3 of the mouth 2, The inner plug 10 is locked and fixed to the mouth 2.

In this mounted state, the upper surface wall 11 of the inner plug 10 cooperates with the thin film 15 provided substantially at the center of the upper surface wall 11 to shield the hollow portion of the mouth 2 of the container 1.

<Hinge cap body 30> The inner plug 10
As shown in FIG. 2, the hinge cap body 30 is crowned and fixed on the top. As shown in FIGS. 1 and 2, the hinge cap main body 30 is provided on the inner plug 10 from above.
The cap body 31 includes a cap body 31 that is covered around the cap body, and a cap lid part 33 that can be opened and closed by a hinge 32 at one location on the top of the cap body 31. Reference numeral 38 denotes an opening / closing operation unit provided on the cap lid unit 33.

The inner plug 1 is provided on the inner surface of the cap body 31.
The engagement recesses 34 provided on the outer peripheral wall 12 of the “0” and into which the engagement projections 18 are freely slidable are provided at two positions in the diameter direction of the cap body 31.

The cap lid 33 is provided with a dropping projection 35 substantially at the center of the rear surface thereof, which can be fitted into the spout 14 of the inner plug 10 and closes the spout 14 in a liquid-tight manner. . As can be seen from FIG.
It is formed of a cylindrical body having substantially the same diameter as the sealing surface portion 14b of the inner peripheral wall of the spout 14, and when inserted into the spout 14, provides a liquid-tight seal between the inner surface of the spout 14 and the sealing surface portion 14b. I do. Further, the lower end of the plugging projection 35 is cut obliquely so as to form a pointed end 36, and the oblique cut surface 3 is formed.
The point 36 of the tip 5a allows the outer peripheral edge 15a of the thin film 15 to be easily cut. The shape of the obliquely cut surface 35a forming the pointed portion 36 at the lower end of the plugging projection 35 is a flat surface in this embodiment, but it may be formed as a curved surface to enhance the sharpness as needed.

In the middle of the outer peripheral surface of the plugging projection 35, in order to enhance liquid tightness, the inside of the spout 14 is brought into contact with the guide surface portion 14a and the seal surface portion 14b of the spout 14 during the insertion process. At the end of the insertion process, at the end of the insertion process, an annular projection 37 is formed at the lower end of the spout 14 so as to be detachably engaged with the lower end of the spout 14 to ensure liquid tightness. The reason why the annular projection 37 for sealing can be provided with an outer diameter larger than the inner diameter of the sealing surface portion 14b on the inner wall surface of the spout 14 is that the inner plug 10 is made of a soft synthetic resin. .

When the hinge cap body 30 having the above structure is covered with the inner plug 10, the engaging projection 18 enters the engaging recess 34 of the hinge cap body 30 as shown in FIG. The vertical movement is prevented by the lower end of the not-yet-cut stopper ring 20 hitting the shoulder 6 of the container 1. Therefore, as shown in FIG. 4, the stopper projection 35 is held at a position short of the thin film 15, and in this state, the mouth 2 of the container 1 is kept sealed with the inner stopper 10.

<Operation> Next, the operation of the hinge cap having the above structure will be described. The cosmetic liquid is poured into the container 1, the inner plug 10 is covered and fixed to the mouth 2, the container 1 is sealed, and the hinge cap body 30 is covered as described above.
Fix it. In this state, it is stored until it reaches the customer's hand. When the consumer uses this cosmetic liquid, the gripper 24 of the stopper ring 20 is pulled in the direction of the arrow in FIG.
2 and the stopper ring 20 is peeled off. Therefore, as shown in FIG. 3, when the hinge cap body 30 is pressed from above, the engagement position between the engagement recess 34 of the hinge cap body 30 and the engagement projection 18 of the inner plug 10 is relatively shifted downward. The hinge cap body 30 is lowered.

With the downward movement of the hinge cap body 30, the closing projection 35 of the cap lid 33 descends inside the inner peripheral walls (14a, 14b) of the spout 14 of the inner plug 10, and the pointed end 36 thereof The thin outer peripheral edge 15a of the thin film 15 of the inner plug 10 is inserted, and the cut gradually expands along the inclined lower edge of the plugging projection 35. Finally, as shown in FIG. 5, the thin film 15 is cut off from the inner peripheral wall 13 while leaving a part of the outer peripheral edge 15 a, and hangs down at one end of the inner peripheral wall of the spout 14. The inner plug 10 of the opening 2 of the container 1 is opened by the initial tearing of the thin film 15.

At this time, the inner plug 10 and the thin film 15 are made of a polyethylene resin which is a soft synthetic resin, unlike the hinge cap main body 30 made of a relatively hard synthetic resin. Therefore, the tearing of the thin film 15 exhibits better sharpness and a desired tearing action can be performed as compared with a form in which the inner plug 10 and the hinge cap body 30 are integrally made of the same hard material.

The stopper projection 35 of the hinge cap body 30
After the lowering operation of the above-described tearing action by the obliquely cut surface 35a is completed, the pierce through the spout 14. That is, the annular projection 37 around the plugging projection 35 is
The cap cover 33 of the hinge cap body 30 is fixed to the inner plug 10. Therefore, the spout 14 which has been slightly elastically expanded until then is released from its tension state, and its return force causes the spout and the outer peripheral surface including the annular projection of the plugging projection 35 as shown in FIG. 14 is sealed in a liquid-tight manner with the inner peripheral surface. In addition, this liquid-tight sealing state is caused by the annular protrusion 3 around the plugging protrusion 35.
7 is stably maintained by slipping out of the spout 14 toward the open recess 16 side to prevent slipping out.

As described above, the mouth 2 of the container 1 is opened at the spout 14 of the inner plug 10. Then, in order to take out the cosmetic liquid from the container 1, the operation unit 38 is operated, and as shown in FIG.
Is opened by turning the hinge 32 around the center. Thereby, the spout 14 of the upper surface wall 11 of the inner plug 10 is opened, and when the container 1 is tilted, the cosmetic liquid flows out through the spout 14. Then, when the cap lid portion 33 is covered with the cap body portion 31 again, the plugging projection 35 of the cap lid portion 33 is connected to the spout 14 of the inner plug 10.
And the container 1 is sealed.

In the above embodiment, the thin film 15 is
The thin film 15 can be provided at an arbitrary position in the vertical direction of the spout 14.
The thin film 15 has a thin outer peripheral edge 15a.
The thin film 15 does not necessarily need to be thin, and can be formed as a thin film having a uniform thickness including the outer peripheral edge. Since the thin film 15 is made of a soft polyethylene resin, even if the thin portion is not positively formed, if the cap lid 33 of the hinge cap body 30 is pressed down with force, the inner plug 10 is formed. This is because the thin film 15 can be easily torn.

Further, in the above embodiment, the thin film 15 of the inner plug 10 is cut off by the stopper projection 35 and hangs down to the lower end of the inner peripheral wall 13. If you break a part of 15,
The liquid or the like in the container can be discharged from the container.

[0040]

As described above, according to the first aspect of the present invention, since the inner plug and the thin film are made of a soft synthetic resin, the inner plug is made of the same hard material as the hinge cap body. As compared with the case where the thin film is formed, the thin film is easily torn, and a desired good sharpness can be obtained with a small force. That is, the desired sealing action of the inner plug and the initial tearing action of the thin film can be achieved while securing the necessary rigidity of the hinge cap body.

Also, since the conventional guide cylinder is omitted, the structure is simple and the manufacture is easy.

Furthermore, since the mouth of the container is sealed with a synthetic resin inner plug, the assembly is easier and the manufacturing is troublesome as compared with a structure in which a sealing material is attached to the opening of the mouth of the container. It does not take.

According to the second aspect of the present invention, the inner peripheral wall of the spout comes into close contact with the stopper projection side of the hinge cap main body, and a more complete sealing action can be achieved. Further, since the annular projection engages with the lower surface side of the spout so as to be freely detachable, it is possible to prevent the stopper projection from being inadvertently pulled out, and to stably maintain the airtightness.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a hinge cap according to the present embodiment.

FIG. 2 is a vertical cross-sectional view showing a mounted state of the hinge cap according to the embodiment in a state where the container is stored in an unused state.

FIG. 3 is a longitudinal sectional view showing a state in which the hinge cap according to the embodiment is attached in a state where the container is stored in a state of being used.

FIG. 4 is a partially enlarged longitudinal sectional view of FIG. 2 of the present embodiment, showing a state before a thin film is cut.

FIG. 5 is a partially enlarged longitudinal sectional view of FIG. 3 of the present embodiment, showing a state after a thin film is cut.

FIG. 6 is an enlarged view showing the bottom of the inner plug of FIG. 1 of the present embodiment.

FIG. 7 is a longitudinal sectional view showing a state in which a cap lid of a hinge cap body in FIG. 3 of the present embodiment is opened.

FIG. 8 is a longitudinal sectional view showing a configuration of a conventional hinge cap.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Container 2 port 3 Outer peripheral wall 4 Annular projection 6 Shoulder 10 Inner plug 11 Top wall 12 Outer peripheral wall 13 Inner peripheral wall 14 Injection port 14a Guide surface part 14b Sealing surface part 15 Thin film 15a Outer peripheral edge 16 Opening recess 17 Annular recess 18 Engaging projection Part 20 Stopper ring 30 Hinge cap main body 31 Cap body part 32 Hinge 33 Cap lid part 34 Engagement concave part 35 Plugging projection 35a Beveled cut surface 36 Pointed end 37 Annular projection for sealing

Continued on front page F-term (reference) 3E084 AA04 AA12 AA24 AA32 AB01 AB09 BA03 CA01 CB01 CB02 CC03 CC04 DA01 DB03 DB13 DC03 DC04 EA04 EC03 FA03 FA09 FC07 FC09 GA06 GA08 GB06 GB08 GB09 GB12 HA03 HB02 HC03 HD04 KA13 KB01 LA01 LA01

Claims (2)

[Claims] 1. A cap-shaped inner plug attached to a mouth of a container such as a bottle, the inner plug having a large-diameter stopper ring which can be brought into contact with and separated from a lower end edge of an outer peripheral wall thereof. A hinge cap body movably mounted in a vertical direction, the hinge cap having a hinge cap body whose lower end is mounted on the stopper ring; wherein the inner plug is formed of a soft synthetic resin; A spout is formed on an upper wall of the inner plug, and the spout is closed by forming a thin film integrally with the spout. The hinge body is a cap body that is attached to the inner plug. And a cap lid provided on the cap body so as to be openable and closable by a hinge, and provided on a back surface of the cap lid with a stopper projection for insertion into the spout, and a lower end of the stopper projection. To A hinge for cutting the thin film by lowering the hinge cap body. 2. An annular projection for sealing having an outer diameter slightly larger than the inner diameter of the spout is provided on an outer peripheral surface of the stopper projection, and is engaged with a lower end of the spout when the cap lid is closed. 2. The hinge cap according to claim 1, wherein the hinge cap is freely engaged to secure a sealing property.