JP2022030379A - Thermal insulation material for container, and container with the same - Google Patents

Abstract

To reduce size and reduce a use amount of a material, and expand a range of a target container, in a thermal insulation material for the container attached to the container of a paper cup and used.SOLUTION: A thermal insulation material 13 for a container attached to an outer circumferential surface 11a of a cup 11 as a container is formed of one piece of sheet material 13a where multiple slits 31 opened when stretched out are arranged in a staggered manner. The sheet material 13a is oblong and is substantially rectangular. The slits 31 are extended in a direction perpendicular to a horizontal direction being the stretched direction. A paste-fixed part 42 having adhesives is formed in one end of the stretched direction in a back side of the sheet material 13a, and is fixed to the outer circumferential surface 11a of the cup 11.SELECTED DRAWING: Figure 3

Description

The present invention relates to a heat insulating material for a container, for example, which softens the heat and cold when holding a container such as a cup or a cup.

If you put hot coffee in a container like a paper cup, it will be hot and difficult to hold with your bare hands. Therefore, a member for heat insulation (paper cup hot guard) as disclosed in Patent Document 1 below is used.

The paper cup hot guard is formed into a substantially rectangular shape by laminating a corrugated plate-like uneven portion on one side of a flat plate-like flat surface, and at the end in the longitudinal direction, both ends are combined to form a cylinder as a whole. Has a notch.

When using, make a cylinder with the uneven part inside and put a paper cup inside it. It is possible to prevent it from getting hot even if you hold it directly in your hand, mainly due to the heat insulating effect of the uneven parts.

Japanese Unexamined Patent Publication No. 2000-85743

However, the paper cup hot guard is formed in a size suitable for a container such as a target paper cup. Therefore, as a matter of course, the size of the paper cup hot guard is the same as that of the paper cup. Also, the paper cup hot guard can only be used for containers of a specific size and shape.

Therefore, the main object of the present invention is to reduce the size of the material, reduce the amount of material, and expand the range of the target container.

The means for this is a heat insulating material for a container attached to the outer peripheral surface of the container, which is a heat insulating material for a container formed of a sheet material having a plurality of slits that open when stretched.

The heat insulating material for a container having this configuration is used by stretching the sheet material, opening a slit, and covering the outer peripheral surface of the container. By opening the slit, the sheet material stretches and becomes three-dimensional. Although the slit opens, a space is created between the hand holding the container and the outer peripheral surface of the container, and the sheet material having this space cushions the temperature difference.

According to the present invention, since the sheet material is stretched before use, the heat insulating material for the container before use can be formed to be smaller and thinner than the size of the container. For this reason, it is possible to reduce the amount of materials and simplify the handling such as reducing the storage space.

In addition, since the heat insulating material for containers used by stretching has elasticity and has a certain width in expansion and contraction, it is possible to use a kind of heat insulating material for containers for a plurality of containers having different sizes and shapes. It is possible. From this point as well, handling can be simplified.

Perspective view of a cup with insulation for a container. A perspective view of a separated state of a cup with insulation for a container. The perspective view which shows the action. Sectional view in use. Front view of the heat insulating material for a container according to another example. The rear view of the heat insulating material for a container which concerns on another example. The perspective view of the heat insulating material for a container which concerns on another example.

An embodiment for carrying out the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a cup 11 made of paper or synthetic resin as a container. The cup 11 is integrally provided with the heat insulating material 13 for a container on the outer peripheral surface 11a.

The cup 11 has a bottomed cylindrical shape, and the outer peripheral surface 11a is inclined so that the diameter decreases toward the bottom from the opening 11b at the upper end.

The container heat insulating material 13 attached to the outer peripheral surface 11a of the container (cup 11) is formed of a sheet material 13a having a plurality of slits 31 that open when stretched. As the sheet material 13a, an appropriate material such as paper, synthetic resin, or rubber may be used.

The heat insulating material 13 for a container in this example is formed only of the sheet material 13a. The direction in which the heat insulating material 13 for the container (sheet material 13a) is stretched is a lateral direction orthogonal to the vertical direction of the container.

The sheet material 13a has a substantially rectangular shape having a long direction corresponding to the circumferential direction of the container, and is flat like a single sheet. The specific shape of the sheet material 13a is as follows because the sheet material 13a, that is, the heat insulating material 13 for the container is attached so as to wrap around the outer peripheral surface 11a of the cup 11 which is a container and cover it. That is, as shown in FIG. 2, in the sheet material 13a, both the upper and lower sides (upper side 32 and lower side 33) of the long side are formed in an arc shape that is convex upward, and the left and right sides (right side 34 and left side 35) of the short side are formed. ) Is linear and is formed diagonally so as to approach each other toward the bottom.

The lengths of the upper and lower sides 32 and 33 can be set as appropriate, but it is preferable that the lengths of the upper and lower sides 32 and 33 can be appropriately set so as to cover the entire outer peripheral surface 11a when stretched. good.

The lengths of the left and right sides 34 and 35 are also set appropriately and are shorter than the height of the outer peripheral surface 11a of the cup 11, but when setting, consider that the length of the portion corresponding to the vertical direction of the container becomes shorter when stretched. ..

In the sheet material 13a, a plurality of slits 31 extending in one direction, that is, a direction corresponding to the vertical direction of the container and extending in a direction orthogonal to the stretching direction, are arranged in a staggered manner. The slit 31 is a cut penetrating in the thickness direction, and as shown by enlarging a part in FIG. 1, the slit 31 is formed to have a predetermined length and is alternately aligned with the non-slit portion 36 having a predetermined length. It is arranged in. Assuming that the slit 31 and the non-slit portion 36 are arranged in the slit line 37, a large number of the slit lines 37 are arranged side by side at regular intervals.

At the time of parallel installation, the slit lines 37 are arranged so that the intermediate positions between the slits 31 of the adjacent slit lines 37 and the non-slit portion 36 are aligned with each other in the normal direction of the slit lines 37.

The direction in which the slits 31 extend does not have to be exactly the same in all the slits 31, and it is sufficient that they are the same as a whole and have uniformity. That is, as described above, the sheet material 13a is not an accurate rectangle, but a rectangle slightly deformed corresponding to the loose conical outer peripheral surface 11a. Therefore, there is a slight difference in the direction of the slit line 37 between the case where the sheet material 13a is flattened and the case where the sheet material 13a is curved along the outer peripheral surface 11a of the cup 11. That is, in the state where the sheet material 13a is flattened, all the slit lines 37 are arranged exactly in parallel, and the upper side 32 and the lower side 33 converge to the center line passing through the center in the longitudinal direction, and the right side 34 and the left side. The slit line 37 closest to 35 may be arranged so as to be parallel to them.

When such a slit 31 is stretched and widened in a direction orthogonal to the longitudinal direction (normal direction) of the slit line 37, a honeycomb-shaped eye 38 (opening) is formed as shown in FIG. The portion forming the mesh 38, that is, the slit-to-slit portion 39 is inclined diagonally with respect to the surface direction of the sheet material 13a to form a space within the thickness of the sheet material 13a.

The length of the slit 31 and the distance between the slit lines 37 can be appropriately set, but they are formed in consideration of the size of the container and the size of the fingers of the human body.

The range in which the slit 31 is formed is the entire sheet material 13a. Therefore, the slit 31 is exposed mainly on the upper and lower sides 32 and 33. As shown by the virtual line in FIG. 2, the selvage portion 41 having no slit may be formed in the vicinity of the left and right sides 34 and 35.

Further, in the heat insulating material 13 for a container (sheet material 13a), a sticking fixing portion 42 having an adhesive is formed on one end of the back surface in the stretching direction. The sticking and fixing portion 42 is a portion that is adhesively fixed to the outer peripheral surface 11a of the container, and is configured to integrate the container heat insulating material 13 with the outer peripheral surface 11a. In this example, the sticking fixing portion 42 is formed at the right side 34, which is one of the left and right sides 34 and 35.

The left side 35, which is the other of the left and right sides 34 and 35, is provided with the adhesive seal 43. The adhesive seal 43 is attached to the outer peripheral surface 11a of the container in a state where the heat insulating material 13 for the container is covered with the outer peripheral surface 11a of the container without applying tension so as to open the slit 31. As the adhesive seal 43, one that can be re-adhesive after peeling is used. The shape, mounting position, and number of the adhesive seal 43 can be appropriately set.

The cup 11 provided with the heat insulating material 13 for a container as described above is used as follows. That is, after or before the beverage is put in, the adhesive seal 43 is peeled off as shown in FIG. 3A to release the left side 35 which is the other side in the left-right direction of the container heat insulating material 13, and then the arrow. As shown by, the end thereof is pulled to appropriately stretch the heat insulating material 13 for a container. It can also be stretched by pulling along the circumferential direction of the outer peripheral surface 11a.

Then, the heat insulating material 13 for the container opens the slit 31 while being deformed and becomes three-dimensional. After that, as shown in FIG. 3B, the adhesive seal 43 once peeled off is stretched to the right side 34, which is the fixed-side end of the container heat insulating material 13, and the vicinity thereof, the position not reaching the right side 34, and the like. It is attached to an appropriate position according to the degree to keep the heat insulating material 13 for a container in a deformed state.

In addition to maintaining the covering state with the heat insulating material 13 for the container by using the adhesive seal 43, another member such as a rubber band or an adhesive tape may be used, or the left side 35 part may be physically entwined with the right side 34 part. ..

In the cup 11 in which the outer peripheral surface 11a is covered with the heat insulating material 13 for a container in which the slit 31 is opened, as shown in FIG. 4, between the finger X of the hand holding the cup 11 and the outer peripheral surface 11a of the cup 11. A space (eye 38) is created, and the interslit portion 39 elastically maintains the space. As a result, the heat insulating material 13 for the container (sheet material 13a) having a space reduces the temperature difference between the front side and the back side.

Further, the slit-to-slit portion 39 increases the contact resistance with the finger X to perform a non-slip function.

Since the heat insulating material 13 for the container is thin before being stretched, there is no problem in stacking the cups 11. Moreover, since the range of the heat insulating material 13 for the container that covers the outer peripheral surface 11a of the cup 11 is small, it can be prevented from becoming bulky even if it is stacked.

Further, in the work at the time of use, the adhesive seal 43 may be peeled off, the portion thereof may be pulled to stretch the heat insulating material 13 for the container, and then the adhesive seal 43 may be attached at an appropriate position, so that the workability is extremely good. ..

Focusing only on the heat insulating material 13 for the container, the size before use, that is, before stretching is smaller and thinner than the size of the container, so that the amount of material used can be reduced. Further, the storage space of the heat insulating material 13 for the container can be reduced, and the handling such as management can be simplified.

Further, since the expansion and contraction of the heat insulating material 13 for containers has a certain width, it is possible to use a kind of heat insulating material 13 for containers for a plurality of containers having different sizes and shapes. From this point as well, handling such as management can be simplified.

Hereinafter, other examples will be described. In this description, the same parts as those described above are designated by the same reference numerals, and detailed description thereof will be omitted.

The container may be a container other than the cup 11 or a cup, such as a wrapping container for cup noodles, a bowl-shaped container made of paper or resin, a can container for canned beverages, and a container other than a cylindrical shape. It may be a container having another shape such as a square cylinder.

The heat insulating material 13 for a container is not formed only of the sheet material 13a, but may be formed by combining other members. For example, the portion corresponding to the selvage portion 41 (see FIG. 2) described above may be formed of another member.

The adhesive seal 43 may be omitted.

The heat insulating material 13 for a container may be provided separately from the container. It is possible to enable the container insulation 13 to be used when and in the required manner.

FIG. 5 is a front view of the heat insulating material 13 for a container according to another example, and the heat insulating material 13 for a container is configured to be attached to an appropriate container when necessary and used.

The heat insulating material 13 for a container is configured to be attached to a container having the same shape as the cup 11 described above, and is composed only of the sheet material 13a having the same shape as the sheet material 13a described above.

The sheet material 13a has the same slit 31 as described above as a whole.

As shown by a virtual line in FIG. 5, the heat insulating material 13 for a container having such a configuration uses a fastener 44 such as an adhesive tape in the longitudinal direction on one of the left and right sides 34 and 35 (right side 34). It is used by fixing the middle part of the container to the outer peripheral surface of the container. This fixing is performed so that the longitudinal directions of the upper and lower sides 32 and 33 correspond to the circumferential direction of the outer peripheral surface of the container, and after fixing one side (right side 34), the other side (left side 35) is pulled to form the slit 31. Perform an open transformation. After that, the other side is appropriately fixed by using another fastener or by entwining the ends of the container heat insulating material 13 in which the slit 31 is opened.

Even if the heat insulating material 13 for a container having such a structure is used, it has the same effect as described above and is effective.

FIG. 6 is a rear view of the container heat insulating material 13 according to another example, and the container heat insulating material 13 is configured to be attached to an appropriate container when necessary and used.

The heat insulating material 13 for a container is configured to be attached to a container having the same shape as the cup 11 described above, and is composed of the sheet material 13a having the same shape as the sheet material 13a described above.

The sheet material 13a has a slit 31 formed in the entire sheet material 13a as in the case of the one illustrated in FIG.

In this sheet material 13a, a low-adhesive low-adhesive layer 45 is formed on the entire back surface. The low pressure-sensitive adhesive layer 45 is covered with the release paper 46.

The heat insulating material 13 for a container having such a structure is wound around the outer peripheral surface of the container in this state after the release paper 46 is peeled off at the time of use, the heat insulating material 13 is stretched to open the slit 31 to form a three-dimensional shape. The low adhesive layer 45 adheres to the outer peripheral surface of the container, and the three-dimensional heat insulating material 13 for the container covers the outer peripheral surface of the container.

Even if the heat insulating material 13 for a container having such a structure is used, it has the same effect as described above and is effective.

FIG. 7 is a perspective view of the heat insulating material 13 for a container according to another example, and is a cylindrical shape having an opening 47 in a direction orthogonal to the stretching direction. In this example, an example of attaching and using the cup 11 having the same shape as the above-mentioned cup 11 is shown.

That is, two sheets having a substantially rectangular shape smaller than the side view shape of the cup 11 and having a straight line in which the upper and lower sides 32 and 33 are curved upward and the left and right sides 34 and 35 are inclined toward each other downward. The materials 13a are stacked to form a cylinder. A single sheet material may be folded in half to form a cylinder.

Slits 31 are arranged on the entire sheet material 13a, and the left and right sides 34 and 35 are joint portions 48 made of adhesion, welding, or the like.

When used, the heat insulating material 13 for a container having such a structure is stretched in the longitudinal direction to open a slit 31 as shown by a virtual line in FIG. 7, and is formed into a tubular shape and fitted to the cup 11 from below. As a result, the three-dimensional heat insulating material 13 for the container covers the outer peripheral surface 11a of the cup 11.

Even if the heat insulating material 13 for a container having such a structure is used, it has the same effect as described above and is effective.

Although not shown, the sheet material 13a may be formed in a rectangular shape in the case of a cylindrical container whose outer peripheral surface is not inclined in the vertical direction.

11 ... Cup 11a ... Outer peripheral surface 13 ... Insulation material for container 13a ... Sheet material 31 ... Slit 42 ... Pasting fixing part 45 ... Low adhesive layer 47 ... Opening

Claims (6)

A heat insulating material for containers that is attached to the outer peripheral surface of the container.
A heat insulating material for containers made of a sheet material with multiple slits that open when stretched. The heat insulating material for a container according to claim 1, which is in the form of a single sheet. The heat insulating material for a container according to claim 2, wherein a sticking fixing portion having an adhesive is formed on one end in a stretching direction on the back surface. The heat insulating material for a container according to claim 2 or 3, wherein a low-adhesive low-adhesive layer is formed on the back surface. The heat insulating material for a container according to claim 1, which has a tubular shape having an opening in a direction orthogonal to the stretching direction. A container in which the heat insulating material for a container according to any one of claims 1 to 5 is provided integrally or separately.

Images