WO2017222135A1

WO2017222135A1 - Steamtight container

Info

Publication number: WO2017222135A1
Application number: PCT/KR2017/000611
Authority: WO
Inventors: 김수석
Original assignee: (주)착한음식
Priority date: 2016-06-22
Filing date: 2017-01-18
Publication date: 2017-12-28
Also published as: KR101737102B1; BR112017028122A2

Abstract

The present invention relates to a container for sealing steam and the like and, more specifically, to a steamtight container used by forming an accommodating part shape at a rim extended portion of a container lid, such that the container lid and the container are more tightly coupled by the pressure of the steam having been generated inside a container body and fed into an accommodating part.

Description

Water vapor sealed container

The present invention relates to a sealed container such as steam, and more particularly, by forming the shape of the receiving portion in the rim extension portion of the container lid, by using the pressure of the steam generated in the container body and input to the receiving portion It relates to a water vapor sealed container in which the lid and the container are combined more tightly.

Foods are generally stored in various bowls or containers. Containers for storing food are stored in various types of plates, bowls, containers, or containers.

In order to store food for a relatively long time, it may be stored in a container with a lid, closed and refrigerated or frozen in a refrigerator.

The food storage container usually comprises a container having an upper surface opened, a lid for opening and closing the opening, and fixing means for fixing the lid to the main body.

In addition, in the case of a relatively large container it is preferable to have a handle because it is heavy and inconvenient to carry the container containing the food.

Recently, food storage containers made of plastic have been developed in various forms. As the fixing means, a fixing member connected to the lid or the main body by a hinge is used to fix the caps to be sealed to the main body.

However, when the food storage container is provided with four fixing members on four sides of the container, the user is inconvenient to separate the four fixing members by hand when opening and closing the lid. There is a problem in that it is inconvenient to carry or store.

On the other hand, when cooking or warming the food in the container by using steam in the container, the steam should not leak to the outside within a predetermined temperature range there was no suitable container to solve this.

The present invention is formed by using the receiving portion in the rim of the container lid, by the pressure of the steam generated inside the container body is more tightly and tightly connected to the container body of the water vapor sealed container in which the water vapor does not leak To provide.

In addition, the present invention by fixing the fitting groove formed in the handle to the fitting protrusion formed on the check valve (an example of the internal pressure control device) in the folded state or folded in the form of a roll using the container body and the container lid as a silicone material By using, it is possible to minimize the volume when storing the sealed container, and in particular, to provide a water vapor sealed container that can be stored in a folded or rolled form even when the container body and the container lid combined.

Various problems to be solved by the present invention are not limited to the above-mentioned problems, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

Water vapor sealed container according to the present invention,

A container body having a first extension part formed to extend outwardly along an edge of the side wall, and a locking step bent downward from an end of the first extension part; And

And a container lid covering an upper portion of the container body to seal the inside of the container body.

In the container lid,

Is formed extending from the rim of the container lid, the receiving portion is formed in the upper portion of the horizontal portion 115 of the first extension portion so as to accommodate the water vapor generated from the inside of the container body, the first extension portion A second extension part in close contact with the top surface 117 and the side surface; And

And a fastening part formed at a lower portion of the second extension part and fastened and fixed to surround a locking step formed in the container body.

In another aspect, the present invention is a container body formed with a first extension portion formed to extend outward along the edge of the side wall, and a locking step bent downward from the end of the first extension portion;

A container lid covering an upper portion of the container body to seal an inside of the container body; And

Includes and fixed to the discharge hole formed in the container lid, the check valve for opening and closing the discharge hole,

The container lid is

It is formed extending from the rim of the container lid, the portion facing the horizontal portion of the first extension portion is formed in a shape including a semi-circular shape is bent upwards to accommodate the water vapor generated and input inside the container body Receiving portion is formed so that it may be, the second extending portion in close contact with the upper surface and the side of the first extension; And

And a fastening part formed at a lower portion of the second extension part and fastened to surround the locking step formed in the container body, and configured to seal the inner space of the container body.

The container lid is

Is formed extending from the rim of the container lid, the portion facing the horizontal portion of the first extension portion is formed in a curved shape to the upper side is formed to accommodate the water vapor generated in the container body, A second extension part in close contact with the top and side surfaces of the first extension part;

A fastening part formed at a lower portion of the second extension part and fastened and wrapped to surround a locking step formed in the container body, such that an inner space of the container body is sealed; And

And a handle formed to extend a predetermined length from one side of the container lid and having a fitting groove formed on the outside thereof.

The fitting groove is coupled to the fitting protrusion formed on the check valve so that the container lid is folded or rolled up.

In other words, the container lid is formed to extend primarily horizontally from the rim of the container lid, the middle portion facing the horizontal extension portion of the first extension is formed in a shape including a semi-circular curved upwards An accommodation part is formed to accommodate water vapor generated in the container body, and includes a second extension part which is in close contact with an upper end surface of the first extension part and a vertical side part corresponding to a secondary extension of the first extension part.

The container may be further spaced apart inward from the rim of the container lid, and may be in close contact with the inner sidewall of the container body in a flexible manner according to water vapor pressure, and may seal the inside of the container body.

Specific details of other embodiments are included in the detailed description and drawings.

The water vapor sealed container according to the present invention is formed by using an accommodating portion in the horizontal portion of the container lid, the container lid is more firmly and tightly connected to the container body by the pressure of water vapor generated inside the container body and input to the accommodating portion. It is connected and has an effect of preventing water leakage.

In addition, the airtight container for food storage according to the present invention by using the container body and the container lid as a silicone material by folding or rolling in a rolled form by fixing the fitting groove formed in the handle to the fitting protrusion formed on the check valve, When storing the sealed container can be minimized the volume, in particular, there is an effect that can be stored in a folded or rolled form even when the container body and the container lid combined.

It will be fully understood that embodiments of the inventive concept may provide various effects not specifically mentioned.

1 is a perspective view of a water vapor sealed container according to the present invention.

2 and 3 is an exploded perspective view of the water vapor sealed container according to the present invention.

3 is a plan view of a water vapor sealed container according to the present invention.

4 is a cross-sectional view of the water vapor sealed container cut along the line A-A of FIG.

6 is a view showing a state in which the ring is installed in the water vapor sealed container according to the present invention.

7 is a view showing a state in which the water vapor sealed container according to the present invention is folded or folded form.

Figure 8 is a view showing a structure for storing the combined use of the handle and the container folded and rolled on one side of the lid according to the present invention.

Figure 9 is a view showing a structure for folding and rolling the handle combined with the container formed on one side of the lid according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are designated as much as possible even if displayed on different drawings. In addition, in describing the embodiments of the present invention, detailed descriptions of substantially the same contents are omitted.

In addition, if a component is described as being "connected", "coupled" or "contacted" to another component, the component may be directly connected or connected to the other component, but there is another configuration between each component. The same technical concept should be understood even when an element is "connected", "coupled" or "contacted".

In addition, if any component is described as being provided, formed or constructed, it should be interpreted substantially in the same sense unless specifically defined.

In addition, in the present invention, the meaning of including is an open type meaning that other components may be additionally included.

Terms such as first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly the second component may be referred to as the first component.

The terms top, bottom, top, bottom, or top, bottom, etc. are used to distinguish relative positions in the component. For example, for convenience, when the upper part of the drawing is named as upper / upper side and the lower part of the drawing as lower / lower side, in practice, the upper part may be named as the lower part without departing from the scope of the present invention, and the lower part as the upper part. Can be named.

The term used in the present invention, the check valve is an example of the internal pressure regulating means, even when used in other devices corresponds to the technical idea of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the water vapor sealed container according to the present invention.

1 is a perspective view of a water vapor sealed container according to the present invention, FIGS. 2 and 3 are exploded perspective views of the water vapor sealed container according to the present invention, FIG. 3 is a plan view of the water vapor sealed container according to the present invention, and FIG. 3 is a cross-sectional view of the water vapor sealed container cut along the line AA of Figure 3, Figure 6 is a view showing a state in which the elastic ring is installed as an example in the water vapor sealed container according to the present invention, Figure 7 is a water vapor sealed according to the present invention A view showing a state in which the container is folded in the form of a scroll.

1 to 7, the water vapor sealed container 10 according to the present invention may include a container body 100, a container lid 200, and a check valve 300.

The container body 100 may be formed with a space to accommodate the food or the food for cooking the food by the side wall formed to protrude upward along the edge of the bottom surface and the bottom surface.

In addition, the container body 100 is first extended horizontally to the outside along the rim of the side wall is formed in the form of a flange, the first extension portion 110 and bent downward from the end of the first extension portion 110 (2 Car extension) a locking step 120 for fixing the container lid 200 may be formed.

In the above, it is preferred that the primary extension is horizontally outwardly along the rim, but may be of another shape, for example, inclined, and a slightly recessed groove phenomenon. Importantly, all shapes that form a receiving space capable of collecting steam may correspond to the technical idea of the present invention.

On the other hand, the container body 100 or / and the container lid 200 may be injection molded in a silicon material as an example so that it can be flexibly freely folded and folded or rolled.

The shape of the container may be in a variety of states, such as square, triangular, rhombus, the first extension to the horizontal, etc., as described above may extend in a different shape depending on the shape of the container, it also of the present invention It is a technical idea.

The container lid 200 may be provided to cover the upper part of the container body 100 formed by opening the upper part to seal the inside of the container body 100. The container lid 200 may include a ring 250 including a sealing part 210, a second extension part 220, a fastening part 230, a handle 240, a discharge hole 260, and an elastic ring. Can be.

In other words, the structure extending from the edge of the container lid 200 is formed, the middle portion facing the horizontal extension portion 115 of the first extension portion 110 of the container body 100 is bent upwards It is formed in a variety of forms including a semi-circle to accommodate the water vapor generated in the container body 221 is formed, the upper surface (extension start position) 117 of the first extension portion and It includes a portion corresponding to the secondary extension of the second extension in close contact with the vertical side portion corresponding to the secondary extension of the first extension.

The receiving portion is based on a horizontal portion 115 which is an intermediate portion of the first extension portion formed on the container body and a second extension portion formed on a container lid formed in a predetermined shape on the upper side facing the horizontal portion 115. The space to be formed and the upper surface, which is the primary extension of the first extension, and the vertical side portion corresponding to the secondary extension of the first extension, are in contact with the second extension and other structure formed in the container lid. The accommodation space is formed. That is, the accommodation space may be a variety of shapes, each shape corresponds to the technical spirit of the present invention.

The sealing unit 210 is to primarily seal the inner space of the container body 100, and is positioned to be spaced apart from the edge of the container lid 200 by a predetermined distance, but is flexible on the inner side surface of the side wall of the container body 100. It may be closely attached to each other, and may be formed along a sidewall inner surface of the container body 100 by protruding downward in a predetermined length. That is, when the container lid 200 is coupled to the container body 100, the sealing part 210 is in close contact with the inner side surface of the side wall of the container body 100 so that the inside of the container body 100 can be sealed. .

In other words, the sealing part made of a flexible material is further in close contact with the inner side surface of the side wall of the main body to prevent the water vapor pressure generated in the inside of the container from escaping to the side of the main body of the container to perform the primary sealing function.

The second extension part 220 may extend from the edge of the container lid 200 to form a flange, and may be provided to support the fastening part 230 by being in close contact with the top surface of the first extension part 110. .

In addition, the second extension part 220 may have a receiving part 221 formed by bending an intermediate portion thereof upward.

The accommodating part 221 may be formed based on a semi-circular shape of the second extension part 220 above the first extension part 110.

In other words, the accommodating part 221 is a space that is generated when the second extension part 220 that is bent in various shapes including a rim portion that is the first extension part 110 and a semi-circular shape is coupled to each other. to be.

The accommodating portion may have various shapes such as a square shape, a triangular shape, a rhombus shape, and at least 45 degrees, in particular, a shape in which water vapor gathers at an end point and pulls the lid upward, that is, a gentle semi-circular shape. The ideal angle would be desirable. The shape of the accommodating part is one example, and the accommodating part may be formed in various shapes such as a large upper area. However, the important thing is that the force of the water vapor pressure collected in the receiving portion pulls the lid upwards, and due to the effect, the end portion 230 is more tightly coupled / closed with the locking jaw 120 part, and the water vapor is sealed. It is desirable that the structure be such that the effect is obtained. Thus, the semi-circular shape is also the shape of only one embodiment satisfying the above condition.

The container 221 is the container body 100 when the inside of the container body 100 is expanded by the pressure of gas or water vapor generated in the container body 100 by food, between the container body 100 side and the sealing portion 210 The water vapor can be released to the outside, which is formed to accommodate this water vapor.

For example, when the pressure of the water vapor is maximized at a certain point (upper vertex, etc.) in the shape of the predetermined accommodating part 221, the fastening part 230 provided in the container lid 200 is further attached to the locking step 120. The container lid 200 is pulled upward while being tightly adhered thereto. At this time, the container lid 200 is more firmly and tightly connected to the container body 100 due to the operation of the fastening portion and the locking jaw. Do not let the water vapor of 100) escape to the outside.

The fastening part 230 is formed below the second extension part 220, is fastened and fixed to surround the locking step 120 formed in the container body 100, and the inner space of the container body 100 is secondarily sealed. It may be provided to make.

For example, when the container main body 100 and the container lid 200 are inflated by the pressure of water vapor generated inside the container main body 100, the container main body 100 is pressurized downward and the container lid ( 200 is applied to the pressure in the upper direction, in this case, the locking jaw 120 provided in the container body 100 is pressed in the downward direction to press the sealing portion 210, provided in the container lid 200 The fastening part 230 has a pressure applied in an upward direction to be tightly sealed with the locking step 120.

On the other hand, the leaked water vapor is collected in a predetermined shape of the receiving portion, and as described above, the water vapor collected in the receiving portion is raised to the upper side, thereby the fastening portion 230 and the locking jaw 120 is harder Can be prevented from leaking water vapor.

In addition, the fastening part 230 may be formed in the form of a hook bent inwardly to be used for opening and closing the container lid 200.

For example, when the user pulls up the handle 240 while the container lid 200 is fastened and fixed to the container body 100, the fastening part 230 is naturally detached from the locking jaw 120 and the container lid 200. ) Is separated from the container body 100.

The handle 240 is formed to extend a predetermined length on one side of the container lid 200, it may be provided for the user to open the container lid 200 easily.

In addition, the handle 240 may be fitted with a groove 241 in the middle of the outer side in the longitudinal direction to be fixed to the check valve 300 in a state in which the container lid 200 is folded or rolled up.

For example, as shown in Figure 7, the container lid 200 is rolled from the opposite side formed from the opposite side formed in the roll form in the state in which the fitting groove 241 is fixed to the engaging portion 310 formed on the check valve 300 Be sure to

In an exemplary embodiment of the present invention, the container may be folded to fix the fitting groove 241 to the coupling part 310 formed on the check valve 300.

As described above, when the fitting groove 241 is formed on the handle 240 and used to be fitted to the check valve 300, the volume of the sealing container 10 may be minimized when the sealed container 10 made of a silicon material may be freely bent. In particular, even when the container body 100 and the container lid 200 are combined, there is an advantage that can be stored in a folded or rolled form.

A ring including an elastic ring 250 is formed at one end of the container lid 200, preferably formed in a band shape having elasticity, and provided to fix the closed container 10 folded or rolled up. Can be.

For example, the used closed container 10 is folded or rolled up from the opposite side provided with a ring 250 of FIG. 6, the fitting groove 241 formed in the handle 240 is coupled to the check valve 300. After the first fixed to the part 310, the elastic ring 250 is inserted again from the outside to the inside to be second fixed. That is, by pressing the closed container (10) folded or rolled by the elastic force of the elastic ring 250 so as not to be released from external impact.

The discharge hole 260 may be formed at a predetermined position of the container lid 200, for example, at the center thereof, and may be formed to discharge water vapor or gas generated inside the container lid 200 to the outside. The discharge hole may be formed at a position other than the center.

The check valve 300 is fitted into the discharge hole 260 and may be provided to open and close the steam or gas generated in the sealed container 10 at a predetermined steam pressure.

In addition, the check valve 300 is coupled to the discharge hole 260 is fixed to the coupling portion 310, the coupling portion 310 is formed on the upper surface of the discharge hole 260 in close contact with the discharge hole 260 It may include an opening and closing plate 320 and a fitting protrusion 330 formed on the opening and closing plate 320 and the fitting groove 241 formed in the handle 240 is fitted.

The coupling part 310 may be formed at a lower end of the opening and closing plate 320, and may be formed in plural numbers spaced apart from each other in a circumferential direction.

In addition, the coupling part 310 is inserted into the discharge hole 260 and the support 311 is moved in the upper or lower direction, and formed in the lower end of the support 311 and the discharge hole when the support 311 is moved upwards The contact part 312 may be in close contact with the bottom of the 260 to limit the movement of the support 311.

Meanwhile, a space portion 313 is formed between the coupling portion 310 and the other coupling portion 310 adjacent to the coupling portion 310 so that elasticity is generated in the coupling portion 310 formed of a plurality, and the check valve 300 is moved upward. When moved, a certain amount of water vapor or gas generated inside the closed container 10 is discharged to the outside through the space portion 313.

The opening and closing plate 320 may be disposed on the discharge hole 260 formed in the container lid 200, and may be provided to seal or open the discharge hole 260 by the movement of the check valve 300.

For example, when the check valve 300 is moved upwards, the opening and closing plate 320 is spaced apart from the discharge hole 260 so that the space portion 313 formed in the coupling portion 310 is exposed to the outside. The vapor or gas generated in the sealed container 10 is discharged to the outside through the space portion 313 exposed to the outside.

The fitting protrusion 330 is formed to be spaced apart from the upper surface of the opening and closing plate 320, the groove is formed between the opening and closing plate 320 and the fitting protrusion 330 to the inside of the fitting groove 241 formed on the handle 240 Make sure the face snaps into place.

When the check valve 300 as described above is installed and used in the center of the container lid 200, the sealed container 10 may explode when a certain pressure or more occurs due to water vapor generated in the sealed container 10. In order to prevent the explosion, the check valve 300 is used in the present invention.

That is, when a certain pressure or more occurs in the sealed container 10, the check valve 300 moves upward while the sealed container 10 expands. In this case, the check valve 300 moves upward. Water vapor in the container 10 is discharged to the outside.

Figure 8 is another embodiment showing the structure for storing the combined handle and the container folded or roll formed on one side of the lid according to the present invention.

Figure 9 is another embodiment showing a structure for storing the combined handle and the container folded or roll formed on one side of the lid according to the present invention.

As shown in the figure, the shape such as the fitting groove 241 of Figure 1 may be formed in various forms.

Figure 7 shows a ladder-shaped extending from one side to form a round shaped groove is formed at the end, Figure 8 forms three semi-circular shape for stability and robustness on one side, and directly with a semi-circle in the middle A circular fit was formed in contact with the other left / right semicircles through an extended support line.

The present invention described above will be further explained.

And a container lid covering an upper portion of the container body to seal the inside of the container body, wherein the container lid includes:

Is formed extending from the rim of the container lid, the receiving portion is formed in the upper direction of the horizontal portion of the first extension portion to accommodate the water vapor generated and generated inside the container body, the top surface of the first extension and A second extension part in close contact with the side surface; And

And a fastening part formed under the second extension part, the fastening part being fastened and fixed to surround the locking step formed in the container main body.

As another embodiment, the container body is formed with a first extension portion formed to extend outward along the edge of the side wall, and a locking step bent downward from the end of the first extension portion;

The container lid is

It is formed in the lower portion of the second extension, is fastened and fixed to surround the locking step formed in the container body, the fastening portion for sealing the internal space of the container body; water vapor sealed container comprising a.

The apparatus may further include a sealing part positioned to be spaced inwardly from an edge of the container lid, being in close contact with the inner side surface of the side wall of the container body, and sealing the inside of the container body.

In addition, the accommodating portion is formed based on a horizontal portion which is an intermediate portion of the first extension portion and a second extension portion which is formed in a predetermined shape on the upper side facing the horizontal portion, and an upper end surface and the first extension portion of the first extension portion. The receiving space is formed based on the contact of the vertical side of the extension with the second extension extending from the lid.

As described above, the present invention relates to a sealed container such as water vapor, and more particularly, by forming and using a shape of an accommodating portion in the edge portion of the lid of a container, water vapor generated inside the container body and input to the accommodating portion. It relates to a water vapor sealed container in which the container lid and the container are more tightly coupled by the pressure of.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that one embodiment described above is illustrative in all respects and not restrictive.

The present invention can be applied to a sealed container for generating steam and preventing the steam from freely exiting.

Claims

A container body having a first extension part formed to extend outwardly along an edge of the side wall, and a locking step bent downward from an end of the first extension part; And

And a container lid covering an upper portion of the container body to seal the inside of the container body.

In the container lid,

Is formed extending from the rim of the container lid, the receiving portion is formed in the upper direction of the horizontal portion of the first extension portion to accommodate the water vapor generated and generated inside the container body, the top surface of the first extension and A second extension part in close contact with the side surface; And

And a fastening part formed under the second extension part and fastened and fixed to surround the locking step formed in the container body.
A container body having a first extension part formed to extend outwardly along an edge of the side wall, and a locking step bent downward from an end of the first extension part;

A container lid covering an upper portion of the container body to seal an inside of the container body; And

Includes and fixed to the discharge hole formed in the container lid, the check valve for opening and closing the discharge hole,

The container lid is

It is formed extending from the rim of the container lid, the portion facing the horizontal portion of the first extension portion is formed in a shape including a semi-circular shape is bent upwards to accommodate the water vapor generated and input inside the container body Receiving portion is formed so that it may be, the second extending portion in close contact with the upper surface and the side of the first extension; And

And a fastening part formed at a lower portion of the second extension part to fasten and fix the locking jaw formed in the container body, and a fastening part for sealing the inner space of the container body.
A container body having a first extension part extending outwardly along an edge of the side wall, and a locking step bent downward from an end of the first extension part;

A container lid covering an upper portion of the container body to seal an inside of the container body; And

Includes and fixed to the discharge hole formed in the container lid, the check valve for opening and closing the discharge hole,

The container lid is

Is formed extending from the rim of the container lid, the portion facing the horizontal portion of the first extension portion is formed in a curved shape to the upper side is formed to accommodate the water vapor generated in the container body, A second extension part in close contact with the top and side surfaces of the first extension part;

A fastening part formed at a lower portion of the second extension part and fastened and wrapped to surround a locking step formed in the container body, such that an inner space of the container body is sealed; And

And a handle formed to extend a predetermined length from one side of the container lid and having a fitting groove formed on the outside thereof.

The fitting groove is coupled to the fitting protrusion formed on the check valve to seal the container, characterized in that the container lid is folded or rolled up.
A container body having a first extension part extending outwardly along an edge of the side wall, and a locking step bent downward from an end of the first extension part;

A container lid covering an upper portion of the container body to seal an inside of the container body; And

Includes and fixed to the discharge hole formed in the container lid, the check valve for opening and closing the discharge hole,

The container lid is

It is formed extending from the edge of the container lid, the portion facing the horizontal portion of the first extension portion is formed in a shape including a semi-circular shape is bent upwards to accommodate the steam generated inside the container body A second extension part which is formed to have an accommodation part and is in close contact with the top and side surfaces of the first extension part;

A fastening part formed under the second extension part to fasten and fix the locking step formed in the container body; And

Is formed on one side of the container lid 200, the ring for fixing the container lid folded or rolled; water vapor sealed container comprising a.
The method according to any one of claims 1 to 4, wherein the receiving portion is formed in a shape capable of collecting water vapor pressure, including a semi-circular shape, the portion facing the horizontal portion of the first extension portion is bent upwards. Steam sealed container characterized in that.
The method according to any one of claims 1 to 4,

Located in the container at a predetermined distance away from the rim of the container, the water vapor sealing container further comprises a sealing portion that is in close contact with the inner surface of the side wall of the container body to allow the inside of the container body to be sealed.
The said receiving part is formed based on the horizontal part which is a middle part of a 1st extension part, and the 2nd extension part formed in the predetermined shape at the upper side facing the said horizontal part, The said receiving part is formed in any one of Claims 1-4. And a receiving space is formed in contact with the space, and the upper surface of the first extension portion and the vertical side portion of the first extension portion are in contact with the second extension portion extending from the lid.
The method according to any one of claims 2 to 4,

The check valve 300 is fitted into the discharge hole 260, and is provided to open and close the steam or gas generated in the sealed container 10 at a predetermined steam pressure state,

The check valve 300 is coupled to the discharge hole 260 is fixed to the coupling portion 310, the coupling portion 310 is formed on the upper surface of the discharge hole 260 close to the discharge hole 260 It includes an opening and closing plate 320 and a sealing protrusion 330 formed on the opening and closing plate 320 and the fitting groove 241 formed in the handle 240 is fitted,

The coupling part 310 is formed at the lower end of the opening and closing plate 320, the coupling part 310 is inserted into the discharge hole 260 and the support 311 is moved in the upper or lower direction, and the lower end of the support 311 It is formed in the contact portion 311 is in close contact with the bottom surface of the discharge hole 260 when the upper portion includes a close contact portion 312 to limit the movement of the support 311,

A space portion 313 is formed between the coupling portion 310 and the other coupling portion 310 adjacent to the coupling portion 310 to generate elasticity in the plurality of coupling portions 310, and the check valve 300 may be moved upward. When a certain amount of water vapor or gas generated in the interior of the sealed container 10 to be discharged to the outside through the space portion 313,

Opening and closing plate 320 is located on the discharge hole 260 formed in the container lid 200, by closing the discharge hole 260 by the movement of the check valve 300,

The fitting protrusion 330 is formed to be spaced apart from the upper surface of the opening and closing plate 320, the groove is formed between the opening and closing plate 320 and the fitting protrusion 330 to the inside of the fitting groove 241 formed on the handle 240 Water vapor sealed container characterized in that the surface is fitted to be fixed.