JPH1149171A - Container with different material member assembled - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container with a different material member fitted on a shoulder or a bottom which can be rigidly and easily separated in various kinds of bottles, spray cans, PET bottles or the like. SOLUTION: The container A with different material member assembled comprises a container body 1 and a different material member 2 formed of a different material to be fitted to a shoulder or a bottom of the container body 1. The container body 1 and the different material member 2 are rotatably engaged with each other, and in addition a contact face to be in contact along an entire periphery when the container body 1 and the member 2 are engaged is formed on each of a lower end of the outer peripheral face of the different material member 2 and the upper face of the shoulder of the container body 1. The contact face is positioned on an approximate plane intersecting with a rotating plane of the different material member 2 at a predetermined angle.

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 container having a dissimilar material member and a cylindrical shape, wherein the container body and the dissimilar material member are rotatably engaged with each other, and a lower end of an outer peripheral surface of the dissimilar material member and the container body. On each of the shoulder upper surface or bottom lower surface,
When the container body and the dissimilar material member are engaged with each other, a contact surface that contacts the entire periphery is formed, and the corresponding contact surface is a substantially flat surface that intersects the rotation plane of the dissimilar material member at a predetermined angle. It is characterized by being located above.

[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. FIG. 1 is an exploded perspective view of the container according to the first embodiment, FIG. 2 is a perspective view of the container,
FIG. 3 is a side cross-sectional view of the upper part of the container, FIGS. 4 and 5 are side cross-sectional views of the upper part of the container with the shoulder member rotated, and FIGS. 6 and 7 are containers of dissimilar material members according to the present embodiment. FIG. 11 is a diagram illustrating another configuration of the embodiment.

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.
And the shoulder member 2 is provided on the main body shoulder 12 of the container body 1.
Is configured to be rotatably engaged with.

At the top of the container body 1 is a thin cylindrical neck 11.
And a screw is formed on the outer periphery of the neck portion 11 so as to fit a lid (not shown). A flange 11a is provided at the base of the neck portion 11.

The diameter of the main body shoulder 12 is smaller than the diameter of the container main body 1, and an outer peripheral portion 13 is provided on the outer periphery of the main body shoulder 12. The upper surface of the outer peripheral portion 13 is formed so as to coincide with a plane P having a predetermined angle with respect to a horizontal plane (the rotation direction of the shoulder member 2), and this annular portion is in contact with the contact surface 3a on the container body 1 side. Become.

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 surface 22 erected 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, a rib 23 having a predetermined length is provided inside the hole 21, and a locking projection 23a is formed at a lower end thereof. . The lower surface of the peripheral side surface 22 is a contact surface 3a on the container body 1 side.
And this portion becomes the contact surface 3b on the shoulder member 2 side. The lowest part of the contact surface 3b becomes a sliding point 3c that slides on the container body side contact surface 3a when the shoulder member 2 is rotated.

The shoulder member 2 is formed of a synthetic resin such as polypropylene and has elasticity. When the neck portion 11 is strongly inserted into the hole 21, the locking projection 23a is elastically deformed and the flange 11a is deformed.
Meshes with As a result, when the shoulder member 2 is attached to the container body 1 as shown in FIG. 2, the contact surface 3a on the container body side and the contact surface 3b on the shoulder member side come into contact all around, The two parts are fitted together as a design without any gap in appearance.

Next, an operation for separating the shoulder member 2 which is a dissimilar material from the container A constructed as described above from the container body 1 will be described with reference to FIGS. When the shoulder member 2 is fitted to the container body 1, the flange 11a and the locking projection 23a are engaged as shown in FIG. 3, and the contact surface 3a on the container body side rotates the shoulder member 2. It is formed inclined with respect to the direction.

When the shoulder member 2 is rotated as shown in FIG. 4, the sliding point 3c of the shoulder member 2 is moved to the contact surface 3 on the container body side.
a along with the shoulder member 2
Is pushed up against the container body 1. Then shoulder member 2
The rib 23 is elastically deformed and the engagement with the flange 11a of the neck 11 is released.

By further rotating the shoulder member 2 as shown in FIG. 5, the lower surface of the peripheral side surface 22 is pushed up by the inclined surface of the contact surface 3a, so that the shoulder member 2 can be separated from the container body 1. .

As shown in FIG. 3, when the inclination angle of the contact surface 3a with respect to the circumferential direction is θ, and the resistance in the separation direction generated when the shoulder member 2 is separated from the container body 1 is R, the shoulder member The force F required to rotate 2 is Rsinθ. The height difference of the inclination of the contact surface 3a for separating the shoulder member 2 may be set to be higher than the distance that the locking projection 23a passes through the flange 11a. Accordingly, since the force F for rotating the shoulder member 2 is smaller than the resistance R, the two can be separated with a small force in the container of the present embodiment. That is, depending on the present embodiment, it is not necessary to set the engagement weakly in consideration of separating the container main body 1 and the shoulder member 2, so that the shoulder member 2 is not easily removed during normal use. Can be attached to

The fitting of the container body 1 and the shoulder member 2 is not limited to the above-described embodiment, but may be any as long as it is scheduled to be separated by applying a predetermined force. For example, a flange provided at the base of the neck 11 of the container A shown in FIG.
11 b is located above the top plate 20 of the shoulder member 2 and is formed with a diameter larger than the hole 21. Thereby, the shoulder member 2 can be engaged with the container body 1 by the hole 21.
There is no need to provide a special locking portion.

The container A shown in FIG. 7 does not have a flange on the neck 11, but has a groove 12a on the shoulder 12 of the main body. On the other hand, a locking projection 22a is provided on the inner peripheral surface of the peripheral side surface 22 of the shoulder member 2, and the shoulder member 2 is fitted to the container body 1 by engaging this with the groove 12a. With such a structure, there is no need to provide a space behind the top plate 20.

Further, in the first embodiment, the description has been given of the configuration in which the shoulder member is attached to the dissimilar material member assembling container.
As shown in FIG. 8, the bottom member can be attached with a similar configuration. FIG. 8 is a side cross-sectional view of the bottom of the dissimilar material assembly container according to the second embodiment.

At the lower part of the container body 1 of the container B shown in FIG. 8, a first bottom step 14 having a smaller diameter than the outer peripheral portion 13 and a second bottom step 15 having a smaller diameter are formed. . Outer part 13
The abutment surface 5a, which is the lower surface of the container, is formed so as to have a predetermined angle with respect to the circumferential direction of the container body 1, and a flange 15a is formed all around the side surface of the bottom second step portion 15, which is the lowermost step. It is provided across.

The bottom member 6 is composed of a bottom plate 24 having a circular shape equal to the cross section of the container body 1 and a peripheral side surface 25 erected around the bottom plate 24, and corresponds to the second bottom step 15 on the upper surface of the bottom plate 24. A rib 26 having a locking projection 26a at the end is provided at a position where the rib 26 is located. The bottom member 6 is fitted to the container body 1 by the engagement of the locking projection 26a with the flange 15a of the second step portion 15 at the bottom.

The contact surface 5b, which is the upper surface of the peripheral side surface 25, is formed to have the same angle of inclination as the contact surface 5a of the container body 1, and when the bottom member 6 is engaged with the container body 1, Is the peripheral side 25
And the outer peripheral surface of the container body 1 are continuously integrated in design. Further, by rotating the bottom member 6 with respect to the container body 1, the sliding point 5c, which is the highest point of the contact surface 5b, is pushed down by the contact surface 5a, and the bottom member 6 and the container body 1 are separated. be able to.

The method of attaching the shoulder member or the bottom member to the container body may be performed by using the above-mentioned flanges and projections.
A method using a double-sided tape or an adhesive may be used. In the above embodiment, the rotation plane of the shoulder member or the bottom member is set to the horizontal direction. However, the container of the present invention is not limited to this, and the plane P that defines the contact surface intersects this rotation plane. Can be set freely within the range.

[0024]

As described above, in the dissimilar material-attached container according to the present invention according to the present invention, the contact surfaces of the container body and the dissimilar material member normally contact each other without any gap, and Since the surfaces are substantially coplanar, the appearance is excellent. In addition, by simply rotating the dissimilar material member with a small force with respect to the container body, it is possible to withstand a large coupling force, and it is possible to separate the member easily. That is, there is an effect that the outer peripheral surface of the dissimilar material member has both the design function and the detachment function.

[Brief description of the drawings]

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

FIG. 2 is a perspective view 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 further rotated.

FIG. 6 is a view showing another configuration of the dissimilar material member assembling container according to the first embodiment.

FIG. 7 is a view showing another configuration of the dissimilar material member assembling container according to the first embodiment.

FIG. 8 is a side cross-sectional view of a bottom portion of the dissimilar material member-assembled container according to the second embodiment.

[Explanation of symbols]

 A, B ... Container P ... Flat surface 1 ... Container body 2 ... Shoulder member (different material member) 3a, 5a ... Contact surface 3b, 5b on the container body side Contact surface 3c, 5c on the shoulder member and bottom member side Sliding surface 6 Bottom member (dissimilar material member) 11 Neck 11a, 11b Flange 12 Body shoulder 12a Groove 13 Outer circumference 14 Bottom first step 15 Bottom second step 15a Flange 20 … Top plate 21… Hole 22… Surface 23, 26… Rib 22a, 23a, 26a… Locking projection 24… Bottom plate 25… Surface

Continued on the front page (72) Inventor Tatsuo Ishikawa 5-29-10 Tachibana, Sumida-ku, Tokyo Yoshida Kogyo Co., Ltd. Inside (72) Yukiharu Yuzuhara 5-29-10 Tachibana, Sumida-ku, Tokyo Yoshida Industry Co., Ltd.

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 was rotatably engaged with the dissimilar material member, and the container body and the dissimilar material member were engaged with the lower end of the outer peripheral surface of the dissimilar material member and the shoulder upper surface or the bottom lower surface of the container body, respectively. At this time, an abutment surface that contacts the entire circumference is formed, and the corresponding abutment surface with respect to the rotation plane of the dissimilar material member,
A dissimilar material assembling container, which is located on a substantially plane intersecting at a predetermined angle.