JP3134016U - Insulated container - Google Patents

Abstract

The present invention provides a heat insulating container having good heat insulating properties and excellent appearance, and relatively easy to manufacture.
In a heat insulating container 1 having a double structure comprising a bottomed body 2 having an open top and an outer cylinder 3 which defines an approximately cylindrical housing space and which is open on the upper side. The wall portion 30 is formed with a plurality of longitudinal slots 31 spaced apart from the outer peripheral surface of the fuselage, with the bottom surfaces protruding toward the outer periphery at predetermined intervals, and each slot has at least one end. It is open.
[Selection] Figure 1

Description

The present invention relates to an insulated container that can be held for a long time by hand.

  For the purpose of providing heat insulation function so that it can be held by hand even with hot beverages such as hot coffee and cup noodles with soup in a disposable container, or improving the rigidity of the container, preventing slipping, etc. From the standpoint, in heat-insulating cup-shaped containers mainly made of paper that can be easily disposed of after use, as shown in FIGS. 7 and 8, annular ribs 513, 513,. As shown in FIGS. 9 and 10, the outer shape of the cup-shaped main body 51 is wrapped with a fan-shaped outer cylinder 52 to form a plurality of air layers 514, 514,... The heat insulating container 6 in which the outer cylinder 62 provided with the wavy convex portion 622 is pasted using the fan-shaped corrugated cardboard or the like developed on the outer peripheral surface 611 of the main body 61 has been used.

However, in the conventional heat-insulating cup container described above, the former cup container 5 is provided with a heat-insulating function from the plurality of annular ribs 513 and the outer cylinder 52 by the plurality of air layers 514, 514,. However, since the heat of the contents is transmitted to the air layers 514, 514, and so on and is trapped in the air layer 514, the air layer 514 is easily heated, and it is difficult to hold the heat-insulating cup container by hand for a long time. It is. Further, the number of air layers 514 is limited by the area where the cover 52 is attached to the main body 51, and there is a problem that the degree of freedom in design is low.

  As for the latter cup container 6, the outer cylinder 62 having a wavy surface can generally be provided with a heat insulating function and a slip prevention function. When printing on, the corrugated surface is rough, so that printing is difficult, and the cosmetic appearance of the product appearance is impaired. Moreover, since the joining sheet | seat 621 to the container main body 61 must be provided in the back surface of the outer cylinder 62, there also exists a problem which increases the manufacturing cost.

  An object of the present invention is to provide a heat-insulating container that has good heat insulating properties when held by hand, has excellent appearance, and is relatively easy to manufacture.

  In order to achieve the above-mentioned object, the present invention defines a substantially cylindrical accommodation space, and has a double structure composed of a bottomed body having an open top and an outer cylinder fitted to the body. In the container, the wall portion of the outer cylinder is formed with a plurality of vertical slots spaced apart from the outer peripheral surface of the body, with the bottom surfaces protruding toward the outer periphery at predetermined intervals. Each seeks to provide an insulated container characterized in that at least one end is open.

  In the heat insulating container, it is preferable that the lateral width of the bottom surface of the slot is larger than the width of the contact surface of the wall portion that contacts the outer peripheral surface of the main body with the interval.

  It is preferable that the heat insulating container be inclined in a V shape on both side surfaces of the slot.

  The heat insulating container may be formed so that the lower ends of the plurality of slots are closed and only the upper ends are opened, and both upper and lower ends may be opened. When the upper end of the slot is open, the inner peripheral surface of the wall portion below the lower end surface is in contact with the body outer surface, or each of the slots is formed to have both end openings. In this case, an inner peripheral surface that contacts the outer peripheral surface of the body of the wall portion of the outer cylinder may be attached to the outer surface of the body.

  Moreover, you may provide the decoration layer which formed the pattern in the outer surface of the said outer cylinder.

  According to the heat insulating container of the present invention, the gap formed by the outer peripheral surface of the fuselage and the plurality of slots becomes an air layer, can provide a heat insulating function, at least one end of the slot is opened, and the heat of the contents is It is easy to dissipate outside through the air layer, it is hard to accumulate heat, and you can hold it long by hand. According to the heat-insulating container of the present invention, the paper material can be press-molded with a single sheet, which simplifies the production. Since printing on the surface of the paper material is facilitated, a container having good appearance can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. For the sake of simplicity, the same reference numerals are assigned to corresponding parts in the drawings.

  1 is an exploded perspective view of a heat insulating container according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view of the heat insulating container of FIG. 1, and FIG. 3 is a transverse sectional view taken along line III-III of FIG.

  As shown in FIG. 1, the heat insulating container 1 of the present invention has a double structure composed of a substantially cylindrical bottomed body 2 that opens upward and an outer cylinder 3 fitted to the body 2, for example, a cup container. It is.

  The body 2 has an annular peripheral wall 22 having a substantially cylindrical shape with the axis L as a center, defining a cup space 24, and has a mouth edge 21 whose upper opening periphery is curled outward, and a lower end 23 of the peripheral wall 22 is annular. It is bent inward and upward so as to have a gap. The peripheral edge portion of the bottom receiving portion 4 is fitted into an annular gap at the lower end 23 of the body 2 on the lower side inside the body 2, and the lower end 23 and the inserted peripheral edge portion of the bottom receiving portion 4 are bonded and fixed to the lower portion of the body 2. Is forming.

  The outer cylinder 3 has an annular wall portion 30 fitted to the body 2, and the annular wall portion 30 includes a plurality of longitudinal slots 31, 31,. Each of the bottom surfaces 311 protrudes toward the outer periphery with the contact surfaces 32, 32,... In this example, each of the slots 31, 31,... Is opened apart from the curled rim portion 21 of the body 2 so that one end can be circulated to the outside. An inner peripheral surface that is in contact with the outer peripheral surface of the body 2 of the lower portion 33 is attached to the outer peripheral surface of the body 2.

  In addition, as the heat insulation container 1, the trunk | drum 2, the outer cylinder 3, and the bottom receiving part 4 can be manufactured with a hard paper material or a plastic material so that it may have a heat insulation function, for example.

  Further, in the heat insulating container 1 of the present invention, it is preferable that the lateral width of the bottom surface 311 of the slot 31 is larger than the width of the contact surface 32 so that both side surfaces 312 and 312 are inclined in a V shape.

  As described above, the heat insulating container 1 of the present invention is closed at the end surface 313 at the lower end of the slots 31, 31,..., And only the upper end is opened apart from the mouth edge portion 21. 31, 31,... Become an air layer, and heat is easily diffused to the outside through the air layer and the heat is not easily trapped, so that the outer cylinder 3 can be held long by hand. Since the heat insulating container of the present invention can be press-molded with a single sheet of paper, manufacturing is simplified.

  In the heat insulating container 1 shown in FIGS. 1 to 3, a plurality of vertically oriented bottomed slots 31, 31,... Formed excluding the lower portion 33 of the outer cylinder 3 are arranged in parallel. In this way, a plurality of through-type slots 31, 31,. The outer cylinder 3 is affixed to the outer peripheral surface of the trunk | drum 2 by the contact surfaces 32,32, ... which contact | connect the trunk | drum 2 outer peripheral surface between the slots 31,31, ... of the vertical orientation.

  As described above, since both ends of the slots 31, 31,... Are open, it is possible to further improve the flowability to the outside, to prevent heat accumulation, and to obtain a heat insulating container having excellent heat insulating properties.

  As described above, the heat-insulating container of the present invention can press-mold the paper material by a single sheet, so that it is easy to print on the surface of the paper material, and a container having excellent appearance can be obtained.

  As shown in FIG. 6, the heat insulating container is provided with a decorative layer 5 in which a pattern 50 is formed on the outer wall of the outer cylinder 3 by printing or the like. This makes it easy to provide a pattern and display on the outer surface of the container.

  As described above, according to the heat insulating container of the present invention, a plurality of vertical slots are arranged in parallel on the outer cylinder fitted to the outside of the body, and one end or both ends of each slot are opened, thereby improving the flowability to the outside. Since the heat does not accumulate, the heat insulating container of the present invention can be held for a long time by hand.

  The cup-shaped container of the present invention can be used as a disposable cup for eating hot food and drink because the slots having one or two open ends are arranged in parallel to enhance the flowability to the outside.

It is a disassembled perspective view of the heat insulation container of one Embodiment of this invention. It is a longitudinal cross-sectional view of the heat insulation container of FIG. FIG. 3 is a transverse sectional view taken along line III-III in FIG. 2. The disassembled perspective view of the heat insulation container of other embodiment of this invention. It is a longitudinal cross-sectional view of the heat insulation container of FIG. It is a perspective view which shows the other example of a heat insulation container of FIG. It is a disassembled perspective view which shows the heat insulation cup of a prior art example. It is a longitudinal cross-sectional view of the cup of FIG. It is a disassembled perspective view which shows the heat insulation cup of another prior art example. FIG. 10 is a cross-sectional view showing the cup of FIG. 9.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Thermal insulation container 2 ... Body 21 ... Mouth part 22 ... Perimeter wall 23 ... Lower end 24 ... Space 3 ... Outer cylinder 30 ... Wall part 31 ... Slot 311 ... Bottom 312 ... Side 313 ... End face 32 ... Contact surface 33 ... Lower part 4 ... Bottom receiving part 5 ... decorative layer 50 ... pattern

Claims (6)

A heat insulating container having a double structure including a bottomed body having an open top and an outer cylinder fitted to the body, which defines a substantially cylindrical accommodation space,
The wall portion of the outer cylinder is formed with a plurality of vertically oriented slots spaced apart from the outer peripheral surface of the body, with each bottom surface protruding toward the outer periphery at a predetermined interval,
Each of the slots has an opening at least at one end. 2. The heat insulating container according to claim 1, wherein a lateral width of a bottom surface of the slot is made larger than a width of a contact surface of the wall portion in contact with the outer peripheral surface of the body. The heat insulating container according to claim 1, wherein both side surfaces of the slot are inclined in a V shape. The plurality of slots are formed such that the lower end is closed and only the upper end is opened,
The heat insulating container according to claim 1, wherein an inner peripheral surface of the wall portion that contacts the outer peripheral surface of the body is attached to the outer peripheral surface of the body. 2. The heat insulating container according to claim 1, wherein an inner peripheral surface of the plurality of slots that is open at both upper and lower ends and is in contact with the outer peripheral surface of the body of the wall portion of the outer cylinder is attached to the outer surface of the body. The heat insulation container according to claim 1, wherein a decorative layer having a pattern formed on an outer surface of the outer cylinder is provided.

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