JPH1135045A - Container combined with different-material member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container having a different-material member which can firmly be fitted on the shoulder or bottom of the container, such as a bottle of any kind, spray can, or PET-bottle, and easily be separated from it. SOLUTION: A container A combined with a different-material member is a cylindrical one comprising a container main body 1, and the different- material member 2 made of a different material and fitted on the shoulder 12 or bottom of the container main body 1. The container main body 1 and different-material member 2 are engaged so that they can be turnable. Also, a small-diameter part 13 is formed on the shoulder 12 or bottom of the container main body 1, an inclined face 14b is formed on the periphery of the small- diameter part 13, and a projection 24 is formed on the inside of the different- material member 2. The projection 24 contacts the inclined face 14b when the different-material member 2 is fitted on the container main body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container in which a member made of a material different from that of the container body is attached to a shoulder portion and / or a bottom portion of the container. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dissimilar material assembly container which facilitates separation of material members.

[0002]

2. Description of the Related Art In a variety of bottles, spray cans, PET bottles, etc., for the purpose of enhancing aesthetics, impact resistance, stability of a container, etc., such a container body is formed of a different material on a shoulder portion or a bottom portion thereof. In some cases, another member is fitted. Such a dissimilar material member needs to be fitted to the container body while the product is being used, and is often firmly attached so as not to accidentally come off.

[0003]

However, in recent years, however,
With the increase in resource recycling campaigns, the separate collection of garbage and the reuse of resources have become widespread. Therefore, in the case of a product having such a dissimilar material member as described above, it is necessary to separate the container body and the dissimilar material member when discarding it. However, it is difficult to separate the rigidly attached dissimilar material members as described above, and as a result, there is a problem that the collected containers are difficult to use as resources.

On the other hand, in the related art, as in the container disclosed in Japanese Utility Model Application Laid-Open No. 7-43124, a container having a separate bottom member attached to the bottom of the container body,
A container has been proposed in which a recess is provided in the vertical direction so that the bottom member can be removed. However, in such a structure, a plate-shaped member, such as a coin or a screwdriver, which inserts into the recess and applies a force in a direction to remove the bottom member, must be separately prepared. However, there is a problem in that the appearance of the container is also impaired because of the provision of the container.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a dissimilar material-attached container which can be easily detached from a dissimilar material member attached with a certain strength when the container is discarded. It is in.

[0006]

According to the present invention, there is provided a container with a dissimilar material member according to the present invention, which is formed of a dissimilar material and is fitted to a shoulder or a bottom of the container. A cylindrical dissimilar material assembly container comprising a dissimilar material member, wherein the container body and the dissimilar material member are rotatably engaged with each other, and a small-diameter portion is provided on a shoulder or a bottom of the container body. Forming an inclined surface on the outer peripheral surface of the small diameter portion, providing a protruding portion inside the dissimilar material member, and rotating the dissimilar material member in a state of being fitted to the container body, the protruding portion is inclined. It is characterized by being configured to ride on a surface.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a container with dissimilar material members according to the present invention will be described with reference to the drawings. 1 is an overall perspective view of the container according to the first embodiment, FIG. 2 is a perspective view showing a separated state of the container, FIG. 3 is a side cross-sectional view of the upper portion of the container, and FIGS. 6 to 8 are side cross-sectional views of the upper part of the same container in a folded state, showing examples of other configurations.

The container (hereinafter simply referred to as container A) according to the present embodiment shown in FIG. 1 is a container body 1 made of a glass cylinder having a circular cross section, and a shoulder member 2 made of a different material.
It is composed of As described below, the shoulder member 2 is configured to rotatably engage the container body 1.

As shown in FIG. 2, a thin cylindrical neck portion 11 is provided on the upper portion of the container body 1, and a screw is formed on the outer periphery of the neck portion 11, so that a lid (not shown) is screwed. Have been. A small diameter portion 13 having a smaller diameter than the shoulder portion 12 is formed in a lower portion of the neck portion 11, and a locking groove 13a is formed on the neck portion 11 side of the small diameter portion over the entire circumference. Locking groove 13
“a” is formed to have a smaller diameter than the outer peripheral surface of the small diameter portion 13, thereby forming a step 14. The step 14 is composed of a horizontal surface 14 a coinciding with the rotation direction of the shoulder member 2, and an inclined surface 14 b retreating toward the container body 1.

The shoulder member 2 includes a top plate 20 having a circular shape equal to the cross section of the container body 1 and a peripheral side 22 standing upright around the top plate 20.
It is composed of A hole 21 for inserting the neck 11 is opened in the center of the top plate 20, and a rib 23 having a predetermined height is provided inside the hole 21.
Is provided. The rib 23 is divided into predetermined lengths and is provided side by side around the hole 21.
23a are formed. Further, one of the divided ribs 23 is provided with a protruding portion 24 extending toward the container body.

The shoulder member 2 is molded from a synthetic resin such as polypropylene and has elasticity. When the neck portion 11 is inserted into the hole 21 and is strongly pushed into the container body 1, the rib 23 is elastically deformed. As a result, the locking projection 23a engages with the locking groove 13a. When the shoulder member 2 is attached to the container body 1 in this manner, the tip of the projection 24 is located at the lower end of the inclined surface 14b (see FIG. 3).

Next, the operation of separating the shoulder member 2, which is a dissimilar material member, from the container main body 1 from the container A configured as described above will be described. When the shoulder member 2 is rotated as shown in FIG. 4, the protruding portion 24 of the shoulder member 2 rides on the inclined surface 14b on the outer periphery of the small diameter portion 13 and rises along this. As described above, the force for rotating the shoulder member 2 is converted into a force for raising the shoulder member 2 and is pushed up. When the shoulder member 2 is further rotated as shown in FIG. 5, the ribs 23 of the shoulder member 2 are elastically deformed and the engagement between the locking projections 23a and the locking grooves 13a is released, and the shoulder member 2 is removed from the container. It will be separated from the main body 1.

Therefore, in the container according to this embodiment,
By simply rotating the shoulder member 2, the shoulder member 2 can be separated from the container body 1 with a smaller force than when the shoulder member 2 is directly pulled out. For this reason, it is not necessary to set the engagement weakly in consideration of separating the container body 1 from the shoulder member 2. Therefore, it is necessary to firmly attach the shoulder member 2 so that the shoulder member 2 is not easily separated during normal use. Can be.

In the first embodiment, the engagement groove between the container body 1 and the shoulder member 2 is provided in the small-diameter portion 13.
13a and the locking projections 23a provided on the ribs 23, but the shoulders 12 are provided with the steps 15 as in the container B shown in FIG.
An engagement groove 15a may be provided on the outer periphery of the step portion 15. In this case, a locking projection 22a is provided inside the lower end of the peripheral side 22 of the shoulder member 2, and the shoulder member 2 is attached to the container body 1 by engaging with the locking groove 15a.

In the container B constructed as described above, by rotating the shoulder member 2 as shown in FIG.
24 rises along the inclined surface 14b to the horizontal surface 14a. As a result, the engagement between the locking projection 22a and the locking groove 15a is released, and the shoulder member 2 is separated from the container body 1.

As shown in FIG. 8, a locking projection 24a is provided at the tip of the projecting portion 24 of the container C, and a locking groove 13b is provided at an upper portion of the inclined surface 14b to engage with each other to thereby form the shoulder member 2 May be fitted to the container body 1. As shown in the figure, the rib 23 of the shoulder member 2 of the container C is not provided with a locking projection, and slits 24b are provided on both sides of the projection 24 to secure the elasticity of the projection 24. I have.

As described above, the engaging projection 24
When a is formed, the flexible distance can be made longer than when the engagement protrusion is formed on the rib 23. Therefore, when the locking projection 24a is provided at the tip of the protruding portion 24 as in the present embodiment, the locking projection 24a can be largely bent, and engagement and separation can be performed without fear of breakage. Further, by adjusting the shape and the material, the engagement force can be easily adjusted, and the engagement can be securely performed, and the engagement can be easily released with a smaller force.

Further, in the above embodiment, an example is shown in which one projection 24 and one inclined surface 14b are provided, but the present invention is not limited to this. FIG. 9 shows the protrusion 24 of the container D.
And two inclined surfaces 14b are provided. An engaging groove 15a is provided on the outer peripheral surface of the step portion 15 of the shoulder portion 12, and an engaging protrusion 22a provided at the lower end of the shoulder member 2 peripheral side 22. The shoulder member 2 is fitted to the container main body 1 by engaging. With such a configuration, the engagement position between the container body 1 and the shoulder member 2 can be set to a symmetrical position with the neck 11 as a center, and the shoulder member 2 can be stably attached, and the balance is good. Can be raised.

Even when two projections 24 and two inclined surfaces 14b are provided, the positions where the locking grooves and the locking projections are provided can be different. Container E shown in FIG.
Are provided with locking projections 24a at the ends of the two projecting portions 24, respectively, and correspondingly, locking grooves 13b are provided above the two inclined surfaces 14b. This makes it possible to achieve a configuration in which the shoulder member 2 can be separated with a good balance and a small force.

Next, a second embodiment of the dissimilar material assembly container according to the present invention will be described with reference to FIGS.
FIG. 11 is an overall perspective view of the container according to the second embodiment, and FIG.
Is a perspective view showing the separated state of the container, FIG. 13 is a side sectional view of the lower part of the container, FIG. 14 is a side sectional view of the lower part of the container showing a state where the bottom member is rotated, and FIGS. It is a figure showing an example of composition.

A container F (hereinafter simply referred to as a container F) with a dissimilar material as shown in FIG. 11 is a container body 1 made of a glass cylinder having a circular cross section similar to the container A, and a bottom member 3 made of a dissimilar material. It is composed of

At the lower part of the container body 1 of the container F, a small-diameter portion 16 smaller in diameter than the container body 1 is formed. 16a is provided. In addition, a part of the outer peripheral surface of the small diameter portion 16 retreats toward the container body side from the bottom surface 17, thereby forming an inclined surface 18.

The bottom member 3 includes a bottom plate 30 having a circular shape equal to the cross section of the container body 1 and a peripheral side 32 standing upright around the bottom plate 30.
It is composed of Locking projection 32 inside the peripheral side 32
a is formed. A protruding portion 34 having a predetermined height from the bottom plate 30 is provided inside the peripheral side 32.

When the bottom member 3 is fitted to the container body 1 constructed as described above, as shown in FIG.
a engages with the locking groove 16a, and the protrusion 34 is located at the upper end of the inclined surface 18. Therefore, when the bottom member 3 is rotated with respect to the container body 1 as shown in FIG.
, And the bottom member 3 descends accordingly. As a result, the engagement between the locking projection 32a and the locking groove 16a is released, and the bottom member 3 can be separated from the container body 1.

In the second embodiment, the protrusion 34
And the inclined surface 18 is provided one by one, but a plurality of inclined surfaces 18 may be provided as shown in other examples of the first embodiment. The container G shown in FIG. 15 is an example in which two projections 34 and two inclined surfaces 18 are provided. With this configuration, the bottom member 3 can be stably attached and can be removed in a well-balanced manner.

Further, in each of the above embodiments, the dissimilar material member is attached to the container body by providing the locking projections and the locking grooves and engaging them with each other. It may be attached using an adhesive.

A container H shown in FIG. 16 is an example in which the bottom member 3 is attached to the container body 1 using an adhesive 31.
The bottom surface 17 of the bottom member 3 and the bottom plate 30 of the bottom member 3 are joined by an adhesive 31. At this time, the tip of the protrusion 34 provided inside the peripheral side 32 of the bottom member 3 is located at the upper end of the inclined surface 18, and by rotating the bottom member 3 as in the second embodiment, As shown in FIG. 17, the bottom member 3 can be separated from the container body 1.

[0028]

As described above, the dissimilar material-attached container according to the present invention according to the present invention, even if it is a dissimilar material attached with a certain strength, can be used when disposing of the container. Can be removed by rotating.
In addition, since a force is applied in the separation direction by pressing the protruding portion by the inclined surface, a large force in the separation direction can be generated with a small rotational force, and has an effect that it can be easily removed. .

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a container according to a first embodiment.

FIG. 2 is a perspective view showing a separated state of the container.

FIG. 3 is a side sectional view of the upper part of the container.

FIG. 4 is a side cross-sectional view of the upper portion of the container with the shoulder member rotated.

FIG. 5 is a side sectional view of the upper portion of the container with the shoulder member rotated.

FIG. 6 is an example of another configuration of the locking means.

FIG. 7 is a view showing a state where a shoulder member is rotated in the container shown in FIG. 6;

FIG. 8 is a diagram showing another configuration of the locking means.

FIG. 9 is a diagram in which two protruding portions and two inclined surfaces are provided.

FIG. 10 is a diagram showing an example in which locking projections are provided at the tips of two projections.

FIG. 11 is an overall perspective view of a container according to a second embodiment.

FIG. 12 is a perspective view showing a separated state of the container.

FIG. 13 is a side sectional view of the lower part of the container.

FIG. 14 is a side cross-sectional view of the lower part of the container showing a state where the bottom member is rotated.

FIG. 15 is a diagram showing an example in which two protruding portions and two inclined surfaces are provided.

FIG. 16 is a diagram showing an example in which a bottom member is attached to a container body using an adhesive.

17 is a view showing a state where the bottom member is rotated in the container shown in FIG.

[Explanation of symbols]

 A to H ... container 1 ... container body 2 ... shoulder member 3 ... bottom member 11 ... neck 12 ... shoulder 13 ... small diameter portion 13a, 13b ... locking groove 14 ... step 14a ... horizontal surface 14b, 18 ... inclined surface 15 ... step Parts 15a, 16a: Locking groove 16: Small diameter part 17: Bottom surface 20: Top plate 21: Hole 22: Peripheral side 22a, 23a, 24a, 32a: Locking projection 23: Rib 24, 34: Projecting part 30: Bottom plate 31 ... adhesive 32 ... peripheral side

Claims (1)

[Claims] A cylindrical dissimilar material assembly container comprising a container body and a dissimilar material member formed of dissimilar materials and fitted to a shoulder or a bottom of the container body, wherein the container body and The dissimilar material member is rotatably engaged, a small diameter portion is provided on a shoulder or a bottom of the container body, an inclined surface is formed on an outer peripheral surface of the small diameter portion, and a projecting portion is formed inside the dissimilar material member. Wherein the protruding portion runs on the inclined surface when the dissimilar material member is rotated while being fitted to the container body.