JP2001146242A - Container cap structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container cap structure in which a cap can be removed by applying a pressing force against an outer circumferential part of a cap skirt in a container having no sufficient taper shape where its shoulder part is abutted against the cap skirt to push up the cap or a container where its shoulder part is soft, abutted against the cap skirt and does not enable the cap to be pushed up. SOLUTION: There is provided a container cap structure in which a pressing force is applied to an outer circumferential part of a cap skirt segment 25 under a state of partial abutment of a cap removing member 30 against a container 10, the cap skirt segment 25 is abutted against a tapered surface 31 of the cap removing member 30 to cause a cap 20 to be moved upward, an engagement protrusion 23 of the cap is removed from an engagement protrusion 4 at a container neck 3 and then the cap 20 can be removed from the container neck 3 through one-finger touch operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a container cap device.

[0002]

2. Description of the Related Art Conventionally, as described in Japanese Utility Model Laid-Open Publication No. 52-4353 and Japanese Utility Model Laid-Open Publication No. 63-42563, a locking projection is provided on a container neck, and the container neck is provided so as to cover the container opening. A cap engagement projection is provided on the cap inner cylinder to be fitted so as to removably engage with the locking projection, and an elastically deformable cap skirt is provided on the cap outer cylinder, and an outer periphery is provided on the outer periphery. Applying a pressing force, the cap skirt portion is brought into contact with the tapered shoulder portion of the container, the cap is moved upward, and the engaging projection of the cap that has been engaged with the locking projection of the container neck is disengaged. Can be detached from the container neck with one touch.On the contrary, when the cap is fitted to the container neck, the engaging projection of the cap is linearly engaged with the locking projection on the container neck, so that the cap can be removed with one touch. Of the container to complete Cap devices are known.

[0003]

In the prior art, in order to remove the cap from the container neck with a single touch, the cap skirt portion comes into contact with the tapered shoulder of the container when a pressing force is applied to the outer peripheral portion. It is necessary to disengage the engaging projection of the cap, which has been engaged with the locking projection of the container neck, firstly, the shoulder of the container must be tapered, Second, the shoulder of the container must be of sufficient hardness to push up the cap when the cap skirt abuts.
Therefore, for a container in which the shoulder portion of the container is not tapered enough to push up the cap when the cap skirt portion abuts, or for a container in which the shoulder portion of the container is soft and the cap skirt portion abuts and the cap cannot be pushed up. in case of,
There was a problem that the conventional technology could not be applied.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a locking projection on a container neck and a locking projection on a cap inner cylinder fitted to the container neck so as to cover the container opening. A cap cap device for a container, which is provided with a cap engaging projection that detachably engages with a cap, and a cap formed by providing an elastically deformable cap skirt portion on a cap outer cylinder portion can be attached to the container neck portion with one touch, A cap detaching member having an upwardly tapered surface with which the cap skirt abuts is provided on the inner periphery of the cap skirt, and a pressing force is applied to the outer periphery of the cap skirt to elastically deform the cap skirt so that the cap detaching member contacts a part of the container. The cap skirt portion is brought into contact with the upwardly tapered surface of the cap detaching member in the contact state, and the cap is moved upward, so that the locking projection of the container neck portion engages with the engaging projection of the cap. Disengaged with and provides a capping device of the container can be removed with one touch of the cap from the container neck.

According to the configuration of the container cap device of the present invention, the cap skirt portion is pressed against the cap skirt portion, and the cap skirt portion is brought into contact with a part of the container, and the cap skirt portion is connected to the cap releasing member. When pressed against the upward moving taper surface, the cap moves upward along the cap detaching member,
The engaging projection, which had been engaged with the locking projection of the container neck until then, comes off with the upward movement of the cap, and the cap can be removed from the container neck with one touch, and conversely, the cap can be attached to the container neck. At the time of fitting, the engaging projection of the cap linearly engages with the locking projection provided on the neck of the container, and the cap is completely mounted with one touch. Therefore, the shoulder of the container pushes up the cap by the cap skirt. Even if the container does not have a sufficient taper shape, the container neck is longer than the cap skirt, or the container has a soft shoulder that cannot push up the cap by abutting the cap skirt, etc. Can be attached and detached with one touch.

The present invention also provides a container cap device according to the first aspect of the present invention, wherein a part of the container with which the cap detaching member contacts is provided at the container neck. Things. According to the present invention, at the time of the cap detaching operation, the cap detaching member can contact the part of the container provided at the neck of the container and move the cap skirt up to detach the cap. Like a container whose neck is longer than the cap skirt, regardless of the position and shape of the shoulder of the container, the cap can be attached and detached with just one touch only by the structure of the neck.

Further, the present invention provides a container cap device according to the first aspect, wherein a part of the container with which the cap detaching member comes into contact is formed of a container shoulder. It is. According to the present invention, at the time of the cap detaching operation, the cap detaching member can come into contact with a part of the container provided on the shoulder of the container to move up the cap skirt portion and detach the cap, for example, the container Even if the shape of the shoulder does not have a tapered surface, the cap can be attached and detached with a single touch regardless of the structure of the shoulder simply by supporting the lower surface of the cap detaching member on the shoulder.

According to the present invention, there is provided a container cap device according to claim 1, wherein a mounting gap is provided between a shoulder portion of the container and a cap detaching member. An apparatus is provided. According to the present invention, when the shoulder of the container is squashed in a flat direction because the shoulder of the container is flexible, the shoulder is lifted in the neck direction, and the cap detaching member of the cap abuts the container shoulder, and the container When the engaging projection of the cap cannot be engaged with the locking projection provided on the neck, a mounting gap is provided between the shoulder of the container and the cap detaching member. The lifting width in the neck direction can be absorbed to enable the engagement between the locking projection and the engagement projection.

Further, according to the present invention, in the container cap device according to any one of claims 1 to 4, a cap stopper is provided on the neck of the container to prevent the cap from loosening by contacting the cap detaching member. A container cap device characterized by the following. According to the present invention, since the cap detaching member provided to be vertically movable on the cap so as to abut against a part of the container comes into contact with the backlash stopper at the neck of the container,
While eliminating the backlash between the container and the cap,
When the cap detaching member abuts against the backlash stopper in a sealed state, the cap stopper can exhibit the cap sealing performance.

According to the present invention, there is provided a container cap device according to any one of claims 1 to 5, wherein a locking projection is provided on an inner peripheral portion of a cap outer cylinder portion above a cap skirt portion. A container cap device comprising: a mounting support portion provided on an upper portion of a detachable member; and a vertical sliding engagement portion provided on an outer peripheral portion of the mounting support portion for vertically engaging with the latching projection. To provide. According to the present invention, since the vertically slidable mounting portion of the cap detaching member is movably engaged with the latching projection provided on the inner peripheral portion of the cap outer cylindrical portion, the cap detaching member is moved relative to the cap. It can be mounted so that it can slide freely up and down.

According to the present invention, there is provided a container cap device according to any one of claims 1 to 6, wherein a sealed fitting portion which fits closely between the neck portion of the container and the inner cylinder portion of the cap. The present invention provides a cap device for a container, comprising: Advantageous Effects of Invention According to the present invention, in a cap device mounted with one touch, a neck portion of a container and a cylindrical portion of a cap are closely fitted to each other at a sealing fitting portion, so that a reliable sealed state can be obtained and the container can be obtained. Even when the device is used after the sealing material, the inner plug, and the like are removed from the opening, the gap can be absorbed and the device can be sealed.

Further, the present invention provides a container cap device according to any one of claims 1 to 7, wherein an upwardly moving tapered surface is provided on an upper surface of the cap detaching member. Is what you do. By providing the upwardly moving tapered surface on the upper surface of the cap detaching member, the cap skirt portion can be configured to easily contact the upwardly moving tapered surface. In addition, the present invention provides claims 1 to 8
The container cap device according to any one of the above, wherein the lower surface of the cap detaching member is provided so as to contact a part of the container. Since the lower surface of the cap detaching member is provided so as to contact a part of the container, the cap detaching member can be configured to easily contact the part of the container.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the illustrated embodiments. In the figure, 10 is a container, 1 is a container trunk, 2 is a container shoulder, 3 is a container neck, 4 is a locking projection provided on the container neck 3, and a gentle slope 5, a top 6,
It consists of a steep slope 7. The top part 6 is formed as a flat part or a convex arc part having a smooth, wide and narrow appropriate width. Reference numeral 8 denotes an upper neck portion located as the container neck portion 3 above the locking projection 4, and 9 denotes a container opening head. Reference numeral 11 denotes a container opening which is covered with a sealing material 12. A sealing male that fits closely between the container upper neck 8 and the container opening head 9 via a stepped portion 14 having a taper 13 and a sealed female fitting portion 22 of the cap inner cylinder portion 21. A mold fitting portion 15 is provided.

The cap inner cylinder 21 fitted to the container neck 3
Is integrally provided with a cap engaging projection 23 which detachably engages with the locking projection 4 via an elastic leg 24, and the cap engaging projection 23 is expanded with the elastic elastic deformation of the elastic leg 24. When the mating projection 23 gets over the top 6 of the locking projection 4,
The sealed female fitting portion 22 and the sealed male fitting portion 15 are configured to fit in a sealed state. In the case of the embodiment, as shown in FIG. 4 or FIG. 5, the elastic leg portion 24 is formed by connecting a cylindrical portion provided with a large diameter from the inner cylindrical portion 21 via the sealed female fitting portion 22 to the vertical slit 37. , And a cap engaging projection 23 is provided in an arc shape at an inner lower end portion of the cylindrical portion.

The top portion 29 of the cap engaging projection 23 is formed as a flat portion or a convex arc portion having an appropriate width which is wide and narrow due to the engaging relationship with the top portion 6 of the locking projection 4. In the case of the illustrated embodiment, regardless of the presence or absence of the sealing material 12 provided in the container opening 11, the sealed female fitting portion 22 and the sealed male fitting portion 15 are provided.
Are fitted so as to maintain a sealed state within a certain range. In the embodiment shown in FIG. 1, the top 6 of the locking projection 4 is attached to the cap engaging projection 2 while the top plate 27 of the cap inner cylinder 21 is in close contact with the upper surface of the sealing material 12.
3 shows a state in which the seal member 12 is completely over, but when the seal member 12 is not used, the seal member 12 is in a state before the overcoming is completed.
1. The top plate 27 of the cap inner cylinder 21 is tightly attached to and sealed with 1,
Of course, it is also possible to configure so that the cap engaging projection 23 completely passes over the top 6 of the locking projection 4.

Therefore, in the unused state where the sealing material 12 is present, the top 6 of the locking projection 4 is connected to the cap engaging projection 2.
In a state in which the top plate 27 does not completely get over and engages with the top plate portion 27 by exerting close contact resilience, and the top plate portion 27 comes into close contact with the container opening 11 completely with the sealing material 12 removed. Is also possible. Further, in this case, even when the cap engaging projection 23 completely passes over the top 6 of the locking projection 4, it is needless to say that the top plate 27 with respect to the container opening 11 exerts a close contact elasticity. It is possible. In the illustrated embodiment, for example, the sealing material 1
Even if a gap is formed between the container opening 11 and the top plate 27 due to the removal of the seal 2, the sealed female fitting portion 22 and the sealed male fitting portion 15 are fitted in a sealed state. Thus, the hermeticity between the container opening 11 and the cap inner cylinder 21 is maintained.

Also, the click feeling when the cap engaging projection 23 climbs over the top 6 through the gentle slope 5 of the locking projection 4 and falls on the steep slope 7 with the expansion elastic deformation of the elastic leg 24 is emphasized. In this case, at the time of completion of the overcoming, the adhesion between the container opening 11 and the top plate 27 is loosened or a slight gap is formed, and the sealed female fitting portion 22 is formed.
It is preferable that the hermetically sealed state between the and the male fitting part 15 is appropriately adjusted so as to fit loosely or shallowly.

When the cap engaging projection 23 engages over the top 6 of the locking projection 4 with the expanded elastic deformation of the elastic leg 24, it is located near the base of the elastic leg 24. The hermetic female fitting portion 15 is slightly expanded by receiving the expanding elastic force of the elastic leg portion 24 and smoothly fits into the hermetic male fitting portion 15, and the cap engaging projection 23 is engaged with the locking projection. When the engagement over the top 6 of the female member 4 is completed, the sealed female fitting portion 15 is formed.
It is also possible to adopt a configuration in which the elastic male member 24 is fitted with a slight tendency to pinch the male seal fitting portion 15 with the elastic return operation of the elastic leg portion 24 in the narrowing direction, thereby ensuring the sealing performance.

In the illustrated embodiment, reference numeral 25 denotes a cap skirt portion which is provided on the cap outer tube portion 26 and is elastically deformable.
A cap detaching member 30 having an upwardly-moving tapered surface 31 with which the cap skirt portion 25 abuts on the upper surface in a state where the lower surface 32 abuts on the upper surface, as shown in FIG. 2 or FIG.
The cap skirt portion 25 is applied to the upper taper surface 31 of the upper surface of the cap detaching member 30 in a state where a pressing force is applied to the outer peripheral portion of the cap skirt portion 25 and the lower surface 32 of the cap detaching member 30 is in contact with the container shoulder portion 2. When the cap 20 is brought into contact, the cap 20 moves upward along with the upward movement of the cap skirt 25 along the upwardly moving tapered surface 31, and the top 6 of the locking projection 4 of the container neck 3 is engaged with the engagement projection of the cap 20. The cap 23 is configured to be able to be removed from the container neck 3 with a single touch.

At this time, the engaging projection 23 of the cap 20
Abuts on the steep slope 7 of the locking projection 4 with a slightly smooth taper portion 28. With the elastic deformation of the elastic leg 24, the engaging projection 23 pushes the top 6 of the locking projection 4 at a stretch. It is configured to get over and get off. The elastic legs 2
When the cap engaging projection 23 gets over the locking projection 4 with the expansion elastic deformation of the elastic 4, the sealing female fitting portion 15 located near the root of the elastic leg 24 expands the elastic leg 24. It is also possible to adopt a configuration in which it slightly expands by receiving elasticity and smoothly separates from the sealed male fitting portion 15.

Here, the cap skirt portion 25, that is, the cap 20, with respect to the cap detaching member 30, at least at the time of disengagement, the engaging projection 23 gets over the top 6 of the locking projection 4 from below to above. The cap 20 is provided so as to be vertically movable by a distance. When the cap 20 is detached, the cap 20 moves over the cap detaching member 30 by the distance over which the cap 20 moves. When the cap 20 is attached to the container neck 3 in this state, when the cap detaching member 30 comes into contact with the container shoulder 2 and pushes down the cap 20 further by the overcoming distance, the cap skirt portion 25 moves to the upper surface of the cap detaching member 30. At the same time, the engaging projection 23 engages with the locking projection 4, and the mounting is completed.

In the embodiment shown in FIG. 1, a mounting gap 33 is provided between the container shoulder 2 and the cap detaching member 30 in a state where the cap skirt 25 and the cap detaching member 30 are in contact with each other. However, as shown in FIG. 3, the mounting gap 33 is generated between the cap skirt 25 and the cap detaching member 30 when the cap detaching member 30 is pushed down to a position where it comes into contact with the container shoulder 2. Becomes

That is, in the case of the illustrated embodiment, in the case of an extruded tube container or the like, since the shoulder portion 2 of the container is flexible, when the contents are pushed out, the container shoulder portion 2 is crushed in the flat direction. The shoulder 2 is lifted in the direction of the neck 3 and the cap 20
When the cap is put on, the cap detaching member 30 abuts against the raised container shoulder 2 and the cap skirt 25 is prevented from descending, and the engaging projection 23 of the cap engages with the locking projection 4 provided on the container neck 3. However, in this case, since the mounting gap 33 is provided between the shoulder 2 of the container and the cap detaching member 30, the shoulder 2 is separated by the gap 33.
Absorbs the lifting width of the locking projection 4 in the direction of the neck 3.
And the engagement projection 23 can be engaged.

As shown in FIG. 8, the lower surface 32 of the cap detaching member 30 abuts against a part of the container including the projection 38 provided on the container neck 3 and is prevented from moving downward. Even in the case where the cap 20 is detached by moving the cap 25 upward along the upwardly-moving tapered surface 31, by providing the mounting gap 33 between the shoulder 2 of the container and the cap detaching member 30, Neck 3 of shoulder 2 at gap 33
By absorbing the lifting width in the direction, the engagement between the locking projection 4 and the engagement projection 23 can be enabled.

However, for example, in the container 10 having a long neck 3, the lower surface 32 of the cap detaching member 30 is
The downward movement is prevented by contacting a part of the container including the projection 38 and the like provided on the upper surface, and the cap skirt 25 is moved upward along the upwardly moving tapered surface 31 to detach the cap 20. If there is a sufficient distance between the shoulder 2 of the container and the cap detaching member 30 that is not affected by the upward movement due to the deformation of the shoulder 2 of the container, the mounting gap 33 does not need to be provided. Of course.

The cap detaching member 30 is provided with an uneven tapered surface in the vertical direction, and the cap skirt portion is provided with an irregular surface, and the convex surface of the cap skirt portion contacts the concave tapered surface of the cap detaching member 30. With such a configuration, not only the convex tapered surface on the upper surface of the cap detaching member 30 but also a concave tapered surface can be used as the upper tapered surface 31. Further, when the cap is moved upward, the portion where the cap detaching member 30 contacts a part of the container is not limited to the lower surface of the cap detaching member 30, but may be a protrusion projecting downward, a hook portion, or the like.

In the case of the embodiment, the cap detaching member 3
0 is constricted near the base end of the upwardly-moving tapered surface 31, and the constricted portion 34 is slightly in contact with the rattle stopping portion 16 of the container neck portion 2, or is opposed to the container stopper 16 through a small gap, and Part 1
When the cap 20 is swung with respect to
Is designed to prevent rattling. Since the constricted portion 34 of the cap detaching member 30 has an inside diameter sufficient to pass outside the locking projection 4 provided on the container neck portion 3, in the illustrated embodiment, the backlash preventing portion 16 is attached to the shoulder portion 2. Contact and neck 3
The lower end of the cap 3 is provided with a diameter larger than that of the locking projection 4 of the neck 3, but may be located in the middle of the neck 3, and the constricted portion 34 of the cap detaching member 30 is similar to the elastic leg 24. When the elastic projection is sufficient to get over the locking projection 4, the size of the play preventing portion 16 may be about the same as that of the neck 2. With the play preventing portion 16 and the constricted portion 34, the play between the container 10 and the cap 20 can be eliminated, and the constricted portion 34 of the cap detaching member 30 abuts against the play preventing portion 16 in a sealed state. Can exhibit the sealing property of the cap with the play preventing portion 16.

According to the present invention, in the case of the illustrated embodiment, a latching projection 17 having a vertical movement gap 18 is provided on the inner peripheral portion of the cap outer cylinder 26 above the cap skirt 25, and the cap is detached. A mounting support frame portion 35 is provided on the upper portion of the member 30, and the vertical sliding engagement portion 3 movably engages with the latch projection 17 on the outer peripheral portion of the mounting support frame portion 35.
6 is provided, and the vertical sliding engagement portion 36 of the cap detaching member 30 is vertically movably engaged with the latching projection 17 provided on the inner peripheral portion of the cap outer cylindrical portion 26. 30 can be attached to the cap 20 so that it can slide freely up and down. Note that FIG.
In the case of the embodiment shown in FIGS. 8 to 8, the mounting support frame 35 is provided integrally with the upper part in a cup shape, but as shown in FIG. The vertical sliding engagement portion 3 is adapted to easily engage and move up and down smoothly.
It is also possible to provide a slit 39 in this portion in the longitudinal direction to facilitate the elastic deformation of 6.

The latching projection 17 and the vertical sliding engagement part 36
The vertical gap 18 provided for vertical movement between the cap skirt 25 and the cap skirt 25, that is, the vertical movement of the cap 20 with respect to the cap detaching member 30 for the cap engaging projection 23 to get over the container locking projection 4. And a selective vertical movement interval when a mounting gap 33 is provided between the container shoulder 2 and the cap detaching member 30. The latching projection 17 having the vertical movement gap 18 is provided on the outer peripheral portion of the connection frame portion 19 connecting the inner cylindrical portion 21 and the outer cylindrical portion 26 of the cap. Of course, it is also possible to adopt a configuration in which the vertical sliding engagement portion 36 provided on the portion is vertically movably engaged with the latch projection 17.

Further, a spring elastic member is provided in the vertical movement gap 18 to apply a pressing elastic force to the cap detaching member 30 in a direction of constantly moving to the lower movement position. The cap detaching member 30 is occupied by filling the vertical movement gap 18 or the mounting gap 33 inside, and the container shoulder portion 2 or the neck portion 3 and the lower surface 32 of the cap detaching member 30 are in close contact with each other to have a sealing property. At the same time, the cap can be smoothly detached by the spring elastic member at the time of detachment.

[0031]

As described above, according to the container cap device of the present invention, the locking projection is provided on the container neck, and the cap inner cylinder is fitted to the container neck so as to cover the container opening. A cap having a cap engaging projection that is detachably engaged with the locking projection, and a cap that has an elastically deformable cap skirt provided on the cap outer cylinder can be attached to the container neck with one touch. In the container cap device, a cap detaching member having an upwardly tapered surface with which the cap skirt portion abuts is provided on the inner periphery of the cap skirt portion, and a pressing force is applied to the outer peripheral portion of the cap skirt portion so that the cap detaching member is placed on one side of the container. The cap skirt portion is brought into contact with the upwardly tapered surface of the cap detaching member in the state of contact with the cap portion, and the cap is moved upward. Since the projection is detached and the cap can be removed from the container neck with a single touch, applying a pressing force to the cap skirt and pressing it against the upper taper surface of the cap detaching member causes the cap to move along the cap detaching member. And the engaging projections which had been engaged with the locking projections of the container neck are detached with the upward movement of the cap, and the cap can be removed from the container neck with a single touch. When the cap is fitted to the container neck, the engaging projection of the cap linearly engages with the locking projection provided on the container neck, and the cap is completed with a single touch, so that the container neck, shoulder, etc. A part of the container is not tapered enough to push up the cap by the cap skirt, a container whose neck is longer than the cap skirt, or a container shoulder In the case of such containers can not push up the flexible cap cap skirt abutting also, there is an effect capable of detaching the cap with one touch.

Further, according to the present invention, in the container cap device according to the first aspect of the present invention, a part of the container with which the cap detaching member abuts is provided at the container neck, so that the cap detaching operation can be performed. Since the detaching member can contact the part of the container provided at the neck of the container and move the cap skirt up to detach the cap, for example, as in the case of a container having a long container neck, Regardless of the position or shape of the shoulder, there is an effect that the cap can be attached and detached with one touch only by the structure of the neck.

Further, the present invention provides the container cap device according to the first aspect, wherein a part of the container with which the cap detaching member abuts has a container shoulder.
At the time of the cap detaching operation, the cap detaching member can contact the part of the container provided on the shoulder of the container and move up the cap skirt part to detach the cap, for example,
Even when the shape of the shoulder of the container does not have an appropriate tapered surface to move the cap detaching member up, the cap can be one-touch regardless of the structure of the shoulder, only the lower surface of the cap detaching member is supported by the shoulder Has the effect of being removable.

According to the present invention, there is provided a container cap device according to the first, second or third aspect, wherein a mounting gap is provided between a shoulder portion of the container and a cap detaching member. When the flexible shoulder is crushed in the flat direction, the shoulder is lifted in the neck direction, the cap detaching member abuts the container shoulder, and the engaging projection of the cap engages with the locking projection provided on the container neck. In the case where it is not possible to fit the cap, the mounting gap is provided between the shoulder of the container and the cap detaching member. There is an effect that the portion can be moved down to enable the engagement between the locking projection and the engagement projection.

According to the present invention, there is provided a container cap device according to any one of claims 1 to 4, wherein a cap detaching member abuts a neck portion of the container to provide a play preventing portion for preventing play of the cap. By having, the cap detaching member provided in the cap to be able to move up and down so as to contact a part of the container, abuts against the play of the neck of the container,
In addition to the effect of eliminating backlash between the container and the cap, when the cap detaching member abuts against the backlash stopper in a sealed state, there is an effect that the rattle stopper can exhibit the cap sealing property.

According to the present invention, there is provided a container cap device according to any one of claims 1 to 5, wherein a latching projection is provided on an inner peripheral portion of a cap outer cylinder portion above a cap skirt portion. By providing a mounting support portion on the upper portion of the detaching member and having a vertical sliding engagement portion on the outer peripheral portion of the mounting support portion for vertically engaging with the latching protrusion, the cap detaching member is provided. There is an effect that the cap can be attached so as to slide up and down smoothly and reliably with respect to the cap.

Further, according to the present invention, in the container cap device according to any one of claims 1 to 6, a sealing fitting portion which fits closely between the neck portion of the container and the inner cylinder portion of the cap. In the cap device which is mounted with one touch, the neck portion of the container and the inner cylinder portion of the cap are closely fitted to each other at the sealing fitting portion, and a reliable sealed state can be obtained. At the time of use after removing the sealing material 12 and the inner plug from the opening of the container, even if a gap is formed between the opening of the container and the top plate of the cap, a reliable sealing state is ensured by the sealing fitting portion. In addition to the effect that can be obtained, when the gap is small, there is an effect that the gap can be absorbed by the fitting allowance of the sealing fitting portion and the opening can be sealed with the top plate portion.

Further, according to the present invention, in the container cap device according to any one of the first to seventh aspects, an upwardly-moving tapered surface is provided on the upper surface of the cap detaching member, so that the cap skirt portion is raised. There is an effect that it can be configured to easily contact the dynamic taper surface. In addition, the present invention provides a container cap device according to any one of claims 1 to 8, wherein the cap detaching member has a configuration in which the lower surface of the cap detaching member is provided so as to contact a part of the container. There is an effect that it can be configured to easily contact a part of the container.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing a use state of a main part of an embodiment of the present invention, partly in longitudinal section.

FIG. 2 is a schematic front view showing a state of use of a main part of one embodiment of the present invention, which is partially longitudinally cut.

FIG. 3 is a schematic front view showing a part of a state of use of a main part of one embodiment of the present invention, which is partially longitudinally cut;

FIG. 4 is a schematic perspective view showing a main part of one embodiment of the present invention, which is divided and partially longitudinally cut.

FIG. 5 is a schematic perspective view showing a part of a main part of one embodiment of the present invention by vertically cutting it.

FIG. 6 is a schematic front view showing a main part of one embodiment of the present invention in a disassembled state and partially cut away.

FIG. 7 is an exemplary schematic exploded view showing a series of use states of one embodiment of the present invention.

FIG. 8 is a schematic front view showing a state in which one part of one embodiment of the present invention is used in a partly longitudinal direction.

FIG. 9 is a schematic perspective view showing an essential part of one embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 container body 2 container shoulder 3 container neck 4 locking projection 5 gentle slope 6 top 7 steep slope 8 container upper neck 9 container opening head 10 container 11 container opening 12 sealing material 13 taper 14 step 15 sealing male type Fitting portion 16 Backlash preventing portion 17 Latching protrusion portion 18 Vertical movement gap 19 Connecting frame portion 20 Cap 21 Cap inner cylinder portion 22 Sealed female type fitting portion 23 Cap engaging protrusion portion 24 Elastic leg portion 25 Cap skirt portion 26 Cap Outer tube part 27 Top plate part 28 Taper part 29 Top part 30 Cap detachment member 31 Upper moving taper surface 32 Lower surface 33 Mounting gap 34 Narrow part 35 Mounting support frame part 36 Vertical sliding engagement part 37 Slit 38 Projection part 39 Slit

 ──────────────────────────────────────────────────続 き Continued on front page (72) Inventor Kazuo Uejima 5777 Aoki, Irizen-cho, Shimoshinkawa-gun, Toyama Prefecture Inside Shiro UmaScience Co., Ltd. In-house (72) Inventor Koichi Hobo 5777 Aoki, Irizen-cho, Shimoshinagawa-gun, Toyama Prefecture F-term in Shilouma Science Co., Ltd. (Reference) 3E084 AA04 AA12 BA02 BA03 BA05 CA01 DA01 DB13 DB14 FA09 FC02 FC07 FD13 GA08 GB08 GB12 GB16 GB22 LA17

Claims (9)

[Claims] A cap engaging portion provided on a container neck portion, and a cap engagement removably engaged with the locking protrusion portion on a cap inner cylindrical portion fitted to the container neck portion so as to cover the container opening portion. In a container cap device in which a cap having an elastically deformable cap skirt portion provided on a cap outer cylinder portion can be mounted on a container neck portion with one touch while providing a projection portion, a cap skirt portion is provided on an inner periphery of the cap skirt portion. A cap detaching member having an upwardly moving taper surface with which the cap detaching member is provided is provided, and a pressing force is applied to the outer peripheral portion of the cap skirt portion so that the cap detaching member is elastically deformed. The cap skirt is brought into contact with the tapered surface, the cap is moved upward, the engaging projection of the cap is released from the locking projection of the container neck, and the cap is inserted into the container neck. Cap device for containers that can be removed with one touch. 2. The container cap device according to claim 1, wherein a part of the container with which the cap detaching member abuts is provided at a container neck. 3. The container cap device according to claim 1, wherein a part of the container with which the cap detaching member abuts comprises a container shoulder. 4. The container cap device according to claim 1, wherein a mounting gap is provided between the container shoulder and the cap detaching member. 5. The container cap device according to claim 1, further comprising a rattle stopper for preventing the cap from rattling when a cap detaching member comes into contact with a neck of the container. Container cap device. 6. The container cap device according to claim 1, wherein a latching projection is provided on an inner peripheral portion of the cap outer cylinder portion above the cap skirt portion, and an upper portion of the cap detaching member. A container cap device, further comprising: a mounting support portion provided on an outer peripheral portion of the mounting support portion; 7. The container cap device according to claim 1, wherein a sealing fitting portion is provided between the neck portion of the container and the inner cylinder portion of the container so as to be fitted in close contact with each other. A container cap device characterized by the above-mentioned. 8. The container cap device according to claim 1, wherein an upper moving taper surface is provided on an upper surface of the cap detaching member. 9. The container cap device according to claim 1, wherein the lower surface of the cap detaching member is provided so as to abut a part of the container.