JP2019141328A - Lunch container - Google Patents

Abstract

To provide a lunch container in which, even when a package type RF tag is attached thereto, the attached package type RF tag does not fall.SOLUTION: A lunch container 1 comprises: a container body 11 for storing food products being lunch; and a lid body 10 which covers an upper part of the container body 11. As devise for attaching a package type RF tag 2 to the lunch container 1, a recess 100 according to a contour of the package type RF tag 2 attached to the lunch container 1 is molded on one side surface of the lid body 10, and as devise for suppressing falling of the package type RF tag 2 from the recess 100, a return member 101 is provided on an inlet of the recess 100.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a lunch container for storing food serving as a lunch box.

  The use of RF tags, which are also called IC tags and wireless tags, is being studied for the management of lunch boxes sold at stores such as convenience stores. Here, the RF tag means a medium on which an IC chip that reads and writes data using radio waves (electron waves) is mounted.

  By attaching an RF tag to a lunch box container for a lunch box sold in a store such as a convenience store, the expiration date of the lunch box can be controlled (for example, Patent Document 1), and the cooking conditions can be automatically set using a microwave oven ( For example, Patent Document 2).

  Even when only the expiration date management of a lunch box is performed using an RF tag, the lunch box is heated and cooked with a microwave oven. Therefore, the RF tag attached to the lunch box is required not to be destroyed by cooking with a microwave oven. . When the RF tag is destroyed by cooking with a microwave oven, there is a risk that the lunch box will be damaged due to the destruction of the RF tag, and there is a risk that fragments of the RF tag and the lunch box will be mixed into the lunch box in the lunch box. There is.

  A package type RF tag (hereinafter simply referred to as “package type RF tag”) in which an IC chip is covered with a heat-resistant material containing ceramic is disclosed as an RF tag that is not destroyed by heating cooking in a microwave oven (for example, simply referred to as “package type RF tag”). Patent Document 3).

  In the case of a label-type RF tag, as in Patent Document 2, even if a label-type RF tag is attached to the lid of a food container that is cooked by a microwave oven, the label-type RF tag does not peel off from the food container. Since the package type RF tag is thicker and heavier than the label type RF tag, when the package type RF tag is attached to the lunch box, the package type RF tag should not be dropped from the lunch box. I need it.

JP 2005-135156 A JP 2001-317741 A JP 2007-164528 A

  Thus, the present invention provides a lunch box that can prevent the packaged RF tag from dropping even when the packaged RF tag is attached.

  The present invention that solves the above-mentioned problems is a lunch container comprising at least a container body that contains a food serving as a lunch box and a lid that covers the container body, and is a package type RF tag attached to the lunch container. A recess is formed on one side of the lid, and a return member is provided at the entrance of the recess. In the present invention, it is preferable to provide the depression near the center of the height of the lid. Furthermore, when a portion attached to the upper surface of the recess is in close contact with the upper surface of the package type RF tag stored in the recess, and a metal film is provided in which the portion protruding from the recess is in close contact with the lid, The communication performance of the package type RF tag can be improved.

  In the lunch container according to the present invention, as a device for attaching the package type RF tag to the lunch box container, a recess for housing the package type RF tag is formed on one side of the lid, and the package type RF tag is dropped from the recess. As a device for avoiding this, a return member is provided at the entrance of the recess.

The figure explaining the lunch container concerning this embodiment. Sectional drawing of a lunch container. The figure explaining the shape of the hollow shape | molded in the lunch box. The figure explaining the position which shape | molds the hollow which accommodates a package type | mold RF tag. The figure explaining a state when a lunch box is piled up. The figure explaining the lunch container which accommodated the package type RF tag. The figure explaining the lunch container concerning a modification. Sectional drawing of the lunch container which concerns on a modification.

  From here, preferred embodiments of the present invention will be described. The following description is not intended to limit the technical scope of the present invention, but is provided to aid understanding.

  FIG. 1 is a diagram for explaining a lunch box 1 according to the present embodiment, FIG. 2 is a sectional view of the lunch box 1, FIG. 3 is a diagram for explaining the shape of a recess 100 formed in the lunch box 1, and FIG. FIG. 5 is a diagram for explaining the position where the recess 100 for housing the package type RF tag 2 is formed, FIG. 5 is a diagram for explaining the state when the lunch box 1 is stacked, and FIG. 6 is for housing the package type RF tag 2. It is a figure explaining the lunch container.

  The lunch box 1 according to the present embodiment includes at least a container main body 11 for storing food serving as a lunch box, and a lid 10 that covers the container main body 11. A package-type RF tag is provided on one side of the lid 10. As a device for attaching 2 to the lunch box, a recess 100 for housing the package type RF tag 2 is formed.

  As illustrated in FIG. 2, by forming a partial region of the side surface of the lid body 10 into a concave shape in cross section, a recess 100 is formed on one side surface of the lid body 10 of the lunch box 1 and is stored in the recess 100. The size of the recess 100 is matched to the outer shape of the package type RF tag 2 to be performed. As illustrated in FIG. 1, in the present embodiment, the package type RF tag 2 has a cubic shape. Therefore, as illustrated in FIG. 3, the shape of the recess 100 is also a substantially cubic shape.

  As shown in FIG. 2 and FIG. 3, a return member 101 is formed at the entrance of the recess 100 as a device for preventing the package type RF tag 2 housed in the recess 100 from dropping from the recess 100. By providing the return member 101 at the entrance of the recess 100, even if the package type RF tag 2 attached to the bottom surface of the recess 100 is peeled off, the package type RF tag 2 is caught by the return member 101, and the package type RF tag 2 is in the recess 100. It will not fall out of it. In FIG. 3, the shape of the return member 101 is a right triangular prism shape, but the shape of the return member 101 may be a semi-cylindrical shape.

  If the return member 101 is provided at the entrance of the recess 100, it may seem that the package type RF tag 2 cannot be inserted into the recess 100. However, if the material used for the lunch box 1 is flexible, The package type RF tag 2 can be inserted into the recess 100 from the entrance. As such a material, a material used for a lunch box container sold in a store such as a convenience store can be used. For example, polystyrene (PS) or high impact polystyrene (HIPS) is used for a lunch box container. Can be used for 1 material.

  As illustrated in FIG. 4, in the present embodiment, the position where the recess 100 for housing the package type RF tag 2 is formed is near the center of the height of the lid 10. By forming a recess 100 near the center of the height of the lid 10, when the lunch box 1 is stacked, as shown in FIG. 5, the bottom of the container body 11 of the lunch box 1 on the upper side and the package type RF tag There is always a gap between the two, and even if a food with a lot of moisture is stored in the container body 11, the package type RF tag 2 is not easily affected by moisture. Further, since the food stored in the container main body 11 does not directly touch the package type RF tag 2 stored in the recess 100, the sanitation of the food stored in the container main body 11 is maintained.

  When the lunch box is sold using the lunch box 1 according to the present embodiment described so far, the package type RF tag 2 is stored in the recess 100 and the package type RF tag 2 is stored in the recess 100 as illustrated in FIG. The lid body 10 is placed on the container body 11 containing the food serving as a lunch box. In addition, it is desirable that the bottom surface of the recess 100 formed in the lid body 10 and the back surface of the package type RF tag 2 are bonded.

  As described so far, the recess 100 formed in the lunch box 1 according to the present embodiment is used for housing the package type RF tag 2 whose IC chip is covered with a heat-resistant material including ceramic. The package type RF tag 2 in which the IC chip is covered with a heat-resistant material including ceramic improves the communication performance by being attached to a metal surface. Therefore, from the viewpoint of improving the communication performance of the package type RF tag 2, the package type RF tag 2 is used. It is desirable that one surface of the recess 100 for storing the tag 2 is a metal surface.

  FIG. 7 is a view for explaining a lunch box 3 according to a modification. In FIG. 7, the same elements as those in the above-described lunch box 1 are denoted by the same reference numerals as those in FIG.

  The lunch container 3 according to the modified example is composed of at least a container main body 11 for storing food serving as a lunch box and a lid body 10 that covers the container main body 11 in the same manner as the lunch box container 1 illustrated in FIG. On one side surface 10, a recess 100 for housing the package type RF tag 2 is formed as a device for attaching the package type RF tag 2 to the lunch box.

  As described above, the lunch box 3 according to the modified example has the same configuration as the lunch box 1 illustrated in FIG. 1, but a metal film is formed at the position of the lid 10 in which the recess 100 for housing the package type RF tag 2 is formed. 1 is different from the lunch box 1 shown in FIG.

  FIG. 8 is a cross-sectional view of the lunch box 3 according to a modification. When the package type RF tag 2 whose IC chip is covered with a heat-resistant material including ceramic is attached to a metal surface, the communication performance of the package type RF tag 2 is improved because the metal surface to which the package type RF tag 2 is attached is used. This is because it functions as a part of the antenna of the package type RF tag 2. Therefore, in a state where the package type RF tag 2 is housed in the recess 100 formed in the lid 10 of the lunch box 3 according to the modified example, if the metal film 300 does not adhere to one surface of the package type RF tag 2, the metal film 300. Does not function as a part of the antenna of the package type RF tag 2.

  Therefore, in the lunch box 3 according to the modification, the thickness of the recess 100 formed in the lid 10 is substantially the same as the thickness of the package type RF tag 2, and the return member 101 is provided only on the lower surface of the recess 100, The metal film 300 is affixed to.

  If the metal film 300 protrudes not only on the upper surface of the recess 100 but also on the outer side of the recess 100, the length of the metal film 300 can be increased and the communication performance of the package type RF tag 2 can be improved. In the lunch box 3 according to the example, the length of the metal film 300 to be attached to the upper surface of the recess 100 is made longer than the length of the upper surface of the recess 100, and the portion of the metal film 300 protruding from the recess 100 is in close contact with the lid body 10. It is pasted in the state.

  Considering that the food stored in the lunch box 3 according to the modified example is cooked with a microwave oven, the microwave oven does not fail even if the food stored in the lunch box 3 according to the modified example is cooked with a microwave oven. However, it is calculated | required by the metal film 300 affixed on the location of the cover body 10 in which the hollow 100 was formed. Although a metal material that does not generate a discharge even when used in a microwave oven has not been developed, aluminum foil can be used for the metal film in the lunch box 3 according to the modification.

  Since the metal film 300 is affixed to the lid 10, the metal film 300 does not contact the wall surface of the microwave oven. Therefore, if the metal film 300 affixed to the lid 10 has no sharp parts such as wrinkles, an aluminum foil is used. Even if it uses for the metal film 300, discharge does not arise by the cooking by a microwave oven, and a microwave oven does not break down.

DESCRIPTION OF SYMBOLS 1 Lunch container 10 Cover body 100 Indentation 101 Return member 11 Container body 2 Package type RF tag 3 Lunch container 300 according to a modification 300 Metal film

Claims (3)

A lunch box comprising at least a container body for storing food serving as a lunch box, and a lid that covers the container body,
Forming a recess in accordance with the outer shape of the package-type RF tag covering the IC chip with a heat-resistant material including ceramic on one side of the lid, and providing a return member at the entrance of the recess;
A lunch box characterized by that.   The lunch container according to claim 1, wherein the depression is provided near the center of the height of the lid. A metal film is provided in which a portion attached to the upper surface of the recess is in close contact with the upper surface of the package-type RF tag housed in the recess, and a portion protruding from the recess is in close contact with the lid. The lunch container according to claim 1 or 2.