JP2000247360A - Double-cylindrical container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a paper case from coming out without using an adhesive or the like in a double-cylindrical container comprising the paper case fitted over an external face of a barrel of a thin synthetic resin container body having a barrel of a polygonal lateral cross section. SOLUTION: An elongated narrow groove 4 is provided vertically on one of walls of a container barrel 2, an elongated aperture 12 provided at an end of a paper case forming developed sheet 11a wound around an external face of the barrel is overlaid on the outer side on the narrow groove 4, and an insertion plate 13 protruding from the other end of the developed sheet is passed through the elongated aperture 12 to be fitted in the narrow groove and fitted over the external face of the barrel to provide a paper case. The narrow groove 4, the elongated aperture 12 and the insertion plate 13 are of the same length, while a length from the aperture 12 to the other end of the developed sheet is approximately the same as a peripheral length of the container body barrel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a double cylindrical container.

[0002]

2. Description of the Related Art For example, as shown in Japanese Utility Model Laid-Open No. 7-22968,
A plurality of recesses are formed on the outer surface of the body portion of the thin synthetic resin container, and a folded flap projecting inward and downward from the paper cylinder fitted to the outer surface of the body portion is formed in the recesses. By the restoring force of the folded flap, the front end of the flap is brought into contact with the lower part of the recess forming wall so that the paper cylinder is not pulled out from the outer surface of the container body, and the container body is The upper part is provided so as not to be pulled out upward by engaging the upper end of the paper cylinder with a downward step portion provided around the upper end of the outer surface of the trunk.

[0003]

In the conventional double cylindrical container described above, the container body must be fitted into the paper cylinder from above the paper cylinder while the flapper is bent inward and downward. Therefore, the folded flaps hinder the fitting of the container body into the paper cylinder, and it is difficult to fit the paper cylinder tightly to the outer surface of the body. Further, it is troublesome to bend the flapper inward before fitting the container body into the paper cylinder.

In the present invention, the drawbacks are eliminated, and a plug plate attached to one end of a development paper for forming a paper cylinder wound around the outer surface of the container body is passed through a vertically long hole provided at the other end of the development paper. The paper cylinder is formed by fitting into the narrow groove vertically provided in the container body, and the paper cylinder is provided so as not to be pulled out from the container body.

[0005]

As a first means, a thin container 1 made of synthetic resin and having a body 2 having a polygonal cross section.
And a paper cylinder 11 fitted to the outer surface of the torso with the same cross-sectional shape as the torso, and the container body is provided at a vertically intermediate portion of one of the upright walls forming the torso. The paper cylinder 11 has a vertically elongated groove 4 and has a vertically elongated hole 12 at one end in the left-right direction in the state of the developed paper 11a before being made into a paper cylinder, and extends from the elongated hole to the other end of the developed paper. The length of the container body is substantially the same as the circumferential length of the container body.
The insertion plate 13 was fitted into the narrow groove 4 through the vertically long hole 12 with the vertically long hole 12 and the insertion plate 13 having substantially the same length.

As a second means, a thin-walled container 1 made of synthetic resin having a body 2 having a polygonal cross section and having a stepped portion 6 and an upward stepped portion 7 provided at both upper and lower ends. The same cross-sectional shape as above and both upper and lower end faces
And a paper cylinder 11 fitted to the outer surface of the body,
The container body has a vertically elongated narrow groove 4 in a vertical middle portion of one of a plurality of upright walls forming a body portion, and the paper cylinder 11 is left and right in a developed paper 11a state before being made into a paper cylinder. A longitudinally elongated hole 12 at one end in the direction, the length from the longitudinally elongated hole to the other end of the developing paper is substantially the same as the circumferential length of the container body, and the middle in the vertical direction of the other end. An insertion plate 13 protrudes from the end face of the part, and the insertion plate 13 is fitted into the narrow groove 4 through the vertically long hole 12.

As a third means, the above-mentioned first and second means are provided, and a separating line 14 is formed at an intermediate portion of the insertion plate 13 in the up-down direction to extend and protrude from the end face of the other end of the developing paper 11a. A knob 15 was provided, and the insertion plate portion excluding the knob was fitted into the narrow groove 4 through the vertically long hole 12.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first embodiment shown in FIGS. 1 to 5 will be described.
The mouth and neck 3 is erected from the upper end of the trunk via the shoulder. The cross-sectional shape of the trunk may be another polygon. Among the plurality of upright walls forming the body, a vertically elongated narrow groove 4 is formed in a vertical middle part of one wall.

Reference numeral 11 denotes a paper cylinder having the same cross-sectional shape as the body part 2 fitted to the outer surface of the body part 2. The paper cylinder is one of the left and right directions in the shape of the developed paper 11a before the paper cylinder 11. A vertically long hole 12 is provided at the end, and an insertion plate 13 into the vertically long hole 12 protrudes from the end face of the other end in the middle part in the vertical direction.
In the illustrated example, a tab 15 extending from the end face is further protruded by piercing a separation line 14 at the middle part of the insertion plate 13 in the vertical direction, but the tab is formed as necessary. Just fine. The paper cylinder may be made of cardboard or cardboard. Paper shall include synthetic paper.

The narrow groove 4, the longitudinal hole 12, and the insertion plate 13 have substantially the same length, and the longitudinal hole 12 is positioned so as to overlap the outer surface of the narrow groove 4. The paper cylinder 11 is formed by fitting the insertion plate 13 into the recess. When the knob 15 is formed, the knob 15 closes the outer surface of the middle portion of the elongated hole and projects along the outer surface of the paper cylinder portion having the elongated hole 12 as shown in FIG.

When the developing paper 11a is wound around the outer surface of the body 2 as shown in FIG. 1, the narrow groove 4, the vertically long hole 12, and the end face projecting from the insertion plate 13 are positioned substantially on the same vertical plane. It is necessary to provide the outer peripheral length of the trunk,
And the length from the developing paper to the other end face is almost the same, and when the developing paper is wound around the outer surface of the body 2 by overlapping the narrow groove 4 and the vertically long hole 12, it comes into contact with each corner 5 of the body. A fold line 16 is preferably provided in each of the developed paper portions.

In the above-described configuration, since the narrow groove 4, the vertically long hole 12, and the insertion plate 13 are substantially the same length, the upper and lower ends of the insertion plate 13 are vertically long as shown in FIG. Hole 12
And one end of the paper cylinder 11 having the vertically long hole 12 and the other end of the paper cylinder 11 having the insertion plate 13 move up and down together with the container body 2. Therefore, the paper cylinder 11 does not move up and down with respect to the body 2.

FIGS. 5 to 7 show a second embodiment.

In this embodiment, a downwardly-facing step 6 and an upwardly-facing step 7 are provided at the upper and lower ends of a container body 2 having a polygonal cross section, and paper fitted to the outer surface of the body is provided. The upper and lower end surfaces of the cylinder 11 are engaged with the downward step 6 and the upward step 7, respectively, to prevent the paper cylinder 11 from moving relative to the body 2.

The fitting of the paper cylinder 11 to the outer surface of the body is performed in the same manner as in the first embodiment.
The insertion plate 13 provided at the other end of the developing paper is passed through 12, and the tip of the insertion plate 13 is fitted into a vertically long narrow groove 4 provided on one wall of the container body. However, in the case of this embodiment, as shown in FIG. 7, the lengths of the narrow groove 4, the vertically long hole 12, and the insertion plate 13 do not have to be substantially the same.

Having the upper and lower steps 6, 7;
The second embodiment may be the same as the first embodiment, except that the lengths of the narrow groove 4, the vertically long hole 12, and the insertion plate 13 may not be the same, and thus the same reference numerals are used. The description will be omitted by attaching.

[0017]

As described above, the present invention has the above-described structure, and has a vertically long hole 12 provided at one end of a developing paper 11a for forming a paper cylinder 11.
The insertion plate 13 protruding from the other end of the developed paper is fitted into the narrow groove 4 through the vertically elongated hole 12 by simply positioning the insert plate 13 outside the narrow groove 4 provided in the container body. For this reason, it is easy to form the double cylindrical container, and the rotation of the paper cylinder with respect to the body can be prevented.

In the case of the first aspect, the narrow groove 4 and the vertically long hole 1
2. Since the insertion plate 13 is made substantially the same length, the insertion plate is passed through the vertically long hole and fitted into the narrow groove, so that the paper cylinder 11 does not move up and down with respect to the body 2.

In the case of the second aspect, since the upper and lower end surfaces of the paper cylinder 11 are engaged with the downward step 6 and the upward step 7 provided on the upper and lower sides of the body, the vertical movement of the paper cylinder 11 with respect to the body is prevented. Can be prevented.

In the case of claim 3, a separating line to the insertion plate is provided.
14 A tab that protrudes from the end face of the development paper 11a by punching
15 is protruded, and the insertion plate portion excluding the knob is passed through the vertically long hole 12 and fitted into the narrow groove 4. As shown in FIG. When the container is discarded, the tab 15 is pulled outward to pull out the insertion plate 13 from the narrow groove and the vertically long hole.In this way, the paper cylinder is disassembled and the container body is disassembled. It is easy to remove it from the body and separate it into synthetic resin containers and paper.

Since the double cylindrical container is used, the above-described separation by crushing and breaking the paper cylinder is easy as in the conventional case.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a container forming method of the present invention.

FIG. 2 is an enlarged transverse sectional view of a main part of the container of FIG.

FIG. 3 is an enlarged longitudinal sectional view of a main part of the container in FIG. 1;

FIG. 4 is a perspective view of the container of FIG. 1;

FIG. 5 is an explanatory diagram of a container forming method shown in a second embodiment.

FIG. 6 is a perspective view of the container of FIG. 5;

7 is an enlarged longitudinal sectional view of a main part of the container in FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Container body 4 ... Narrow groove 6 ... Downward stepped part 7 ... Upward stepped part 11 ... Paper cylinder 11a ... Unfolded paper 12 ... Vertically long hole 13 ... Insert plate 15 ... Knob piece

Claims (3)

[Claims] 1. A thin-walled container 1 made of synthetic resin having a body 2 having a polygonal cross section, and a paper cylinder fitted to the outer surface of the body having the same cross section as the body.
The container body has a vertically elongated narrow groove 4 in a vertical middle portion of one of the plurality of upright walls forming the body portion. In the state of the paper 11a, it has a vertically elongated hole 12 at one end in the left-right direction, and the length from the elongated hole to the other end of the developed paper is substantially the same as the circumferential length of the container body, and An insertion plate 13 is protruded from the end surface in the middle in the vertical direction of the end, and the narrow groove 4, the vertically long hole 12, and the insertion plate 13 are made substantially the same length, and the insertion plate 13 is narrowed through the vertically A double cylindrical container fitted in the groove. 2. A thin-walled container 1 made of a synthetic resin having a body portion 2 having a polygonal cross section and having a stepped portion 6 and an upward stepped portion 7 provided at both upper and lower ends. The paper container 11 has a surface shape and has upper and lower end surfaces engaged with the step portions 6 and 7 and fitted to the outer surface of the body portion. The container body has a plurality of upright walls forming a body portion. Among them, a vertically long narrow groove 4 is provided at an intermediate portion in the up-down direction of one wall, and the paper cylinder 11 has a vertically long hole 12 at one end in the left-right direction in the state of the developed paper 11a before being made into a paper cylinder. The length from the vertically elongated hole to the other end of the developing paper is substantially the same as the circumferential length of the container body, and an insertion plate 13 is provided so as to project from an end surface of the other end in the vertical middle portion. A double cylindrical container characterized in that a plate (13) is fitted into a narrow groove (4) through a vertically long hole (12). 3. A cutting line at an intermediate portion of the insertion plate 13 in the vertical direction.
By punching out 14, a tab 15 extending and protruding from the end face of the other end of the development paper 11a was provided, and the insertion plate portion excluding the tab was fitted into the narrow groove 4 through the vertically long hole 12. The double cylindrical container according to claim 1 or 2, wherein: