JPH0619496Y2 - Heat resistant containers and packages - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a container using a heat-shrinkable lid and a package having the lid attached to the container.

[Conventional technology]

A heat-resistant container using a heat-shrinkable lid (hereinafter referred to as a shrink lid) has a structure that can be firmly attached to the container when the shrink lid is heat-shrinked.

In general, as shown in FIG. 7, when the skirt portion 2 of the shrink lid 1 is made longer (wider) than the skirt portion 4 of the container 3 and the shrink lid 1 is thermally contracted, As shown in the drawing, the lower end of the skirt portion 2 of the lid 1 is adapted to wind the skirt portion 4 of the container 3 to fix the lid 1.

[Challenges for devising]

However, as described above, the skirt portion 2 of the lid 1 causes the container 3 to
When the skirt portion 4 is rolled up, since the notch for tearing and removing the lid 1 is provided at the lower end of the skirt portion 2, the lid may be damaged from the notch when handling the container.

Therefore, an object of the present invention is to provide a container and a package that can be easily opened even if a notch or the like is provided without damaging the lid due to the impact or the like, and can be easily opened without the notch or the like. .

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention provides a container having a flange at the periphery of an opening and provided with a skirt portion depending from the flange, wherein the skirt is longer than the skirt portion depending from the periphery of the shrink lid. It is characterized in that it is formed from a first skirt portion and a shorter second skirt portion.

When the container is covered with a lid and heat-shrinked, a package is formed. In this package, the lower end of the skirt of the lid engages with the second skirt of the container to fix the lid to the container. ing.

[Action]

The second skirt of the container is shorter than the skirt of the lid
In the skirt portion, when the lid is heat-shrinked, the lower end of the skirt portion of the lid is caught in the second skirt portion of the container to fix the lid. On the other hand, since the first skirt portion of the container is longer than the skirt portion of the lid, they are overlapped with each other and the amount of heat at the time of heat shrinkage is not sufficient, and the lower end of the skirt portion of the lid hardly shrinks. Even if there is a notch for opening the lid, which remains along the outer surface of the first skirt portion, the first skirt portion extending longer than that serves as a protective wall against external impact and is damaged from the notch or the like. Prevent. Further, since the lower end of the skirt portion of the lid in this portion has the thickness of the original fabric, it is easy to tear and the lid can be easily opened without a notch or the like.

〔Example〕

FIG. 1 shows a container. As shown, the heat resistant container 10
Is a bottom wall 11 and a peripheral wall 12 rising from the bottom wall 11.
And a flange 14 provided on the peripheral edge of the opening 13, and a skirt portion 15 hanging down from the periphery of the flange 14.

The heat-resistant container 10 may be made of any material, such as plastics, foamed plastics, and metal, as long as it can withstand a normal heat shrinkage process.

Further, if the flange 14 is formed in a mountain shape as shown in the drawing, the watertightness is improved.

The skirt portion 15 includes a first skirt portion 15a having a long length L and a second skirt portion 15b having a short length L, and an eaves portion 16 is provided outward on the first skirt portion 15a.

2 and 3 show a state in which the container 10 as described above is covered with the shrink lid 20. As shown, the lid 20
Is composed of a top wall 21 and a skirt portion 22. The skirt portion 22 is shorter than the first skirt portion 15a of the container 10 and longer than the second skirt portion 15b of the container 10 in a state where heat shrinkage is not caused.

In the figure, reference numeral 23 denotes a groove provided for facilitating fitting with the container 10 and for reinforcement. The groove 20 reinforces the lid 20 and enables shrink wrapping even if the container 10 has low strength.

When the lid as described above is heat-shrinked, as shown in FIGS. 4 and 5, in the first skirt portion 15a, the skirt portion 22 of the lid 20 is short, so that the lower end edge of the skirt portion 22 becomes
It is close to the outer surface of the skirt portion 15a above the eaves portion 16. Therefore, even if a notch or the like is provided at the lower end of the skirt portion 22, it will not be damaged from there. Further eaves section 1
If 6 is provided, the notch and the like will be sufficiently protected by this (FIG. 4).

On the other hand, in the second skirt portion 15b, since the skirt portion 22 of the lid 20 is longer, as shown in FIG. 5, the lower end of the skirt portion 22 becomes the second skirt portion 15b due to thermal contraction.
The lid 20 is fixed to the container 10 by being wound around and engaged with the lower end of the container.

As shown in FIG. 6, when the eaves portion 16 is pressed by the finger in the direction of the arrow at the first skirt portion 15a, the lid 2
A notch of 0 or the like can be easily approached.

In addition, as in this embodiment, when the four corners are fixed by heat shrinkage and the other parts are not heat shrunk, if the fitting of the parts that do not heat shrink is provided with a gap, when cooking in a microwave oven. , Steam escapes from this part, so you can cook it unopened.

First and second skirts 15 of the container 10 as described above
The number and location of a and 15b are not limited. Further, the shape of the container 10 is also arbitrary, such as a circle, an ellipse, and a polygon.

〔effect〕

According to the present invention, as described above, since the skirt portion of the container is provided with the first skirt portion longer than the skirt portion of the lid and the second skirt portion shorter than the skirt portion of the lid, the shrink lid is covered and the heat shrinkage occurs. Then, the lid can be fixed to the container by the engagement of the second skirt portion and the skirt portion of the lid, and the first skirt portion has a notch or the like in the corresponding skirt portion of the lid. However, it is possible to prevent damage from there, and the lid can be easily opened even if there is no notch in this portion.

Further, by forming the eaves portion on the first skirt portion, the effect of protecting notches and the like is further improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a container, FIGS. 2 and 3 are partial cross-sectional views showing a state in which the lid is covered with the same, and FIGS. 4 and 5 show a state in which the lid is heat-shrinked. Partial cross-sectional view, sixth
FIG. 7 is a partial cross-sectional view showing a state in which the skirt portion of the container is pressed, and FIGS. 7 and 8 are cross-sectional views showing a conventional container covered with a shrink lid. 10 ... container, 11 ... bottom wall, 12 ... peripheral wall, 13 ... opening, 14 ... flange, 15 ... skirt, 15a ... long skirt, 15b ... short skirt, 16 ... Eaves, 20 ... Lid, 21 ... Top wall, 22 ... Skirt.

Claims (2)

[Scope of utility model registration request] 1. A container in which a flange is provided on the periphery of an opening and a skirt portion is hung from the flange, wherein the skirt portion is longer than the skirt portion hung from the periphery of the heat-shrinkable lid. And a shorter second skirt portion. 2. A first skirt portion having a flange on the periphery of the opening, and a skirt portion depending from the flange is longer than a skirt portion depending from the peripheral wall of the heat-shrinkable lid, and a second skirt shorter than the skirt portion. A heat-resistant container composed of a cover and a heat-shrinkable cover, so that the lower end of the skirt of the cover is closer to the upper side than the lower end of the first skirt and is engaged with the lower end of the second skirt to cover the cover. A package fixed in a heat-resistant container.