JP3029922U - Lid for packaging container - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: It is not necessary to attach / detach the lid itself to / from the container body, and it is possible to effectively prevent dust and the like from entering the container body, and to heat the packaged object by a microwave oven or the like. At this time, a lid of a packaging container is provided which enables smooth outflow of water vapor, expanded air, etc. to the outside of the container. In a lid body that covers a synthetic resin container body and an upper surface opening of the container body and is closely fitted at a peripheral edge portion, at least one through hole is provided in the lid body, and A lid body formed by integrally forming a stopper body that closes the through hole via a connecting portion so as to project from the peripheral edge, and that uses the elasticity of the connecting portion to close the through hole. Characterize.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to improvement of a lid for a synthetic resin packaging container, and particularly when the food as an object to be packaged is heated by an electronic oven or the like, the fitted state of the lid with respect to the container main body is maintained. At the same time, the present invention relates to an improvement of the lid of the packaging container that allows smooth discharge of water vapor, expanded air, etc. to the outside of the container.

[0002]

[Prior art]

 There is an increasing demand for heating objects to be packaged in a packaging container with a lid using a microwave oven, etc., but various studies have been conducted on the heat resistance of the packaging container itself. Under development, heat-resistant packaging containers made of various synthetic resin materials have been proposed.

[0003] The heating of the packaged object using such a packaging container with a lid is usually carried out in a microwave oven with the lid body fitted to the container body accommodating the packaged object. Etc.

[0004]

[Problems to be solved by the device]

 However, when the package of the packaging container containing the packaged object is left as it is, for example, when the lunch box, soup or other packaged object is heated by a microwave oven or the like, the packaged article is a lunch box or the like. Has a problem that water droplets attached to the lid due to its heating drips onto the main food and sub-food when the lid is opened, and when it is soup etc., it is fitted in a liquid-tight manner to the container body. The lid may be detached from the container body due to the generation of water vapor and the expansion of the air inside the container, and there is a problem that the liquid such as soup is scattered.

In addition, when the lid of the packaging container is removed prior to heating the packaging container, the above-mentioned problems do not occur, but dust and falling bacteria are removed when the lid is detached and opened. In addition to the possibility that such things will get inside the container body, there was another problem that a separate detaching operation of the lid was required. Also, the problem of dust ingress is also caused when the product as the package is distributed or stored while leaving the gas vent hole of the required size preformed in the lid of the liquid container such as the soup. It was similar.

This invention solves the above-mentioned problems of the prior art, makes it unnecessary to attach and detach the lid itself to and from the container body, and effectively prevents dust and the like from entering the container body. At the same time, there is provided a lid for a packaging container that enables smooth evacuation of water vapor, expanded air and the like outside the container when the packaged object is heated by a microwave oven or the like.

[0007]

[Means for Solving the Problems]

 A lid of a packaging container according to the present invention comprises a container body made of a synthetic resin and a lid body which covers an upper opening portion of the container body and is closely fitted at a peripheral edge portion. A lid body that is provided with two through-holes, and a plug body that closes the through-holes is integrally formed via a connecting portion so as to project from the peripheral edge. The plug body uses the elasticity of the connecting portion. It is characterized in that the through hole is closed.

According to the container lid of the present invention, when the object to be packaged stored in the packaging container is heated by a microwave oven or the like, the plug body fitted in the through hole of the lid body is pulled out. The steam and expanded air generated during heating can be smoothly discharged from the through hole to the outside of the device.

When the object to be packaged is not heated, the plug is fitted into the through hole and completely closed to prevent dust, falling bacteria, etc. from entering the container body through the through hole. It can be blocked effectively.

Further, when the liquid or the like as the article to be packaged is stored in the container main body while being hot, the stopper is removed while the lid or the like is fitted therein until the liquid or the like is cooled. By opening the through-hole, it is possible to effectively prevent accidental negative pressure adsorption of the lid to the container body.

Further, in this lid body, since the plug body is formed integrally with the lid body via the connecting portion protruding from the lid body, it is possible to sufficiently eliminate the risk of the plug body being lost. Furthermore, the plug body and the lid body can be easily formed by a single molding, without using separate molding steps.

Furthermore, since the connecting portion is an elastic body having the same flexibility as that of the lid body, when the folding portion is provided, the elasticity of the connecting portion can be utilized simply by folding back the connecting portion at that position. As a result, the plug body can be securely and easily fitted into the through hole.

Further, since the flange is provided around the stopper, the through hole is covered with the flange formed to project around the stopper to prevent accidental entry of dust or the like into the container body. With the flange, it can be effectively blocked.

[0014]

[Embodiment of device]

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment of the present invention, and FIG. 2 is a sectional explanatory view showing a state where a lid is fitted. FIG. 3 is a cross-sectional explanatory view showing another example of the container body.

In this embodiment, reference numeral 1 denotes a container main body, and 2 denotes a lid body closely fitted to an upper opening of the container main body 1. As shown in FIG. 1, the lid body 2 is in contact with the upper edge 14 of the container body 1, and is recessed downward from the flange 3 so as to be in close contact with the upper edge portion 14 of the inclined peripheral wall 12 of the container body 1. From the engaging peripheral wall 4, at least one through hole 6 provided on the top surface 5, the connecting portion 7 protruding from the flange 3, and the plug body 8 formed at the tip of the connecting portion 7. The plug body 8 is integrally formed via the connecting portion 7 protruding from the flange 3. The plug body 8 closes the through hole 6 without a gap.

The connecting portion 7 is a band-shaped elastic body having an approximately U-shaped curved portion 9 that specifies a bending position of the connecting portion 7 itself in an intermediate portion thereof. Further, a flange 10 is provided around the plug body 8 so as to project almost uniformly.

As shown in the figure, the close fitting of the lid body 2 to the inclined peripheral wall 12 of the container body 1 may be an inner fitting type, an outer fitting type, or an inner and outer fitting type.

As shown in FIG. 1, the container body 1 is a basin-shaped container having a bottom wall 11 and a slanting peripheral wall 12 surrounding the bottom wall 11 and a storage space 13 for an article to be packaged. The inclined peripheral wall 12 has a folded piece 15 that is folded back in a tubular shape from the upper edge 14 thereof. The folding piece is located at a distance from the outer peripheral surface of the inclined peripheral wall 12 of the container body 1 via the upper edge portion 14, and the folding piece is a container even if the object to be packaged in the accommodation space 13 is heated to a high temperature. If the grip is easy.

In such a packaging container, the object to be packaged is accommodated in the accommodation space of the container body 1, and the inner peripheral surface of the upper end portion of the inclined peripheral wall 12 of the container body 1 is fitted with the engaging peripheral wall of the lid body 2. Closely fit 4 together. Then, under the bending deformation of the connecting portion 7, the plug body 8 is tightly fitted into the through hole 6 using the elasticity of the connecting portion 7 and closed. When the stopper 8 is tightly fitted in the through hole 6, it is almost completely prevented that dust and the like enter the container body through the through hole 6 during the distribution and storage of the product to be packaged. It can be prevented.

When the packaged object is heated using a microwave oven or the like, the stopper 8 is pulled out from the through hole 6 and the through hole 6 is opened so that the object to be packaged can be heated through the through hole 6. The steam and expanded air generated by heat are smoothly evacuated to the outside.

As shown in the figure, the side shape of the plug body 8 is a substantially trapezoidal shape with a taper, and the plug body 8 is formed so as to be in close contact with the peripheral surface of the through hole over the entire circumference thereof, and is inserted into the through hole 6. The through hole 6 is closed by fitting it.

FIG. 3 shows an example in which the container body is formed in a double structure. As shown in FIG. 3, the double-structured container body of this embodiment comprises an outer container body 1a and an inner container body 1b.

The outer container body 1a is made of heat-resistant plastic and is a bowl-shaped body for storing food or other items to be packaged. The outer container body 1a has a bottom portion 11a with a peripheral edge 12a. A step portion 15a is formed by bending the upper portion of the outer inclined peripheral wall 12a to the outside, and a peripheral edge 16a that abuts the peripheral wall 4 of the lid body 2 by raising the peripheral edge of the step portion 15a over the entire circumference. Has been formed. Further, the upper edge of the peripheral edge 16a is bent horizontally to form an upper edge portion 14a. A thin vertical streak 17 is formed over the entire circumference of the inclined peripheral wall 12a.

The inner container 1b is fitted inside the outer container body 1a, and is formed in the same shape as the outer container body 1a. That is, the inner peripheral inclined wall 12b is formed by raising the peripheral edge of the bottom portion 11b, and the inner peripheral peripheral wall 12b is fitted inside the outer peripheral peripheral wall 12a of the outer container body 1a. The inner inclined peripheral wall 12b is folded back outward to form a step portion 15b, and the step portion 15b is bent upward to form an upper edge portion 14b, and the tip is folded back to form a folded piece 18. Reference numeral 19 is a protrusion formed on the bottom portion 11b.

In this way, since the container body 1 has a double structure, even if the object to be packaged in the storage space 13 is heated by a microwave oven or the like, the inner container body 1b is at a high temperature, Since the container main body 1a is formed with thin vertical streaks 17 over the entire circumference, the container main body 1a can be easily gripped.

The present invention has been described above based on the illustrated example, but the shape of the lid, the number of through holes, and the like can be appropriately changed as required.

[0027]

[Effect of device]

 Thus, according to the present invention, the plug body can be tightly fitted into the through hole by utilizing the elasticity of the quick-connecting portion. When heating the object to be packaged, the plug can be removed from the through-hole to allow the generated steam, expanded air, etc. to be discharged to the outside of the device sufficiently smoothly, and at the time of distribution, storage, etc. of the product as the object to be packaged, It is possible to sufficiently prevent the entry of dust, falling bacteria, etc. into the container body, and it is also possible to eliminate the need to remove the lid when heating the packaged object.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is an explanatory cross-sectional view of a state in which a lid is fitted.

FIG. 3 is an explanatory sectional view showing another example of the container body.

[Explanation of symbols]

 1 ... Container body 2 ... Lid 4 ... Engagement peripheral wall 5 ... Top surface 6 ... Through hole 7 ... Connecting part 8 ... Plug 9 ... U-shaped curve Part 10 ………… Flange 11 ………… Bottom wall 12 ………… Sloping peripheral wall 13 ……… Accommodation space

Claims (2)

[Scope of utility model registration request] 1. A container body made of a synthetic resin, and a lid body that covers an opening portion of an upper surface of the container body and is closely fitted at a peripheral edge portion thereof, wherein at least one through hole is provided in the lid body, and A lid body integrally formed with a plug body for closing the through hole via a connecting portion projecting from a peripheral portion, wherein the through hole is closed using the elasticity of the connecting portion. A lid for a packaging container, characterized by: 2. The lid of a packaging container according to claim 1, wherein the container body is formed in a double structure of an outer container body and an inner container body fitted to the outer container body.