JP2002274550A - Container with hermetic lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container with a hermetic lid in a novel structure which improves sealability when the lid is closed while the lid can be simply opened. SOLUTION: The lidded container 10 comprises an annular packing 30 mounted horizontally along an outer periphery of a vertical wall 22 of the lid 20 and is designed to be hermetically sealed by deforming and bringing the packing 30 into pressure contact with an internal wall surface 13 of a container body 11 when the lid is closed. A wide bendable region W is provided on a side of the annular packing 30 to improve sealability, and the lid 20 is designed to laterally move in the direction (c) for collapsing the region W to open when the lid is put on.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container with a closed lid, and more particularly, to a container with a lid that can easily be opened while closing the lid.

[0002]

2. Description of the Related Art For example, as a food storage container used in a refrigerator or the like, a ring-shaped packing is horizontally mounted on the outer periphery of a vertical wall portion of a lid when the lid is closed, and the ring-shaped packing is mounted on the inner wall surface of the container body. 2. Description of the Related Art A container with a lid that is hermetically sealed by deforming and pressing is known. This container seals and opens the lid by the elastic deformation of the ring-shaped packing.However, if the width of the ring-shaped packing is increased to improve the sealing property, the opening and closing of the lid becomes difficult, and in some cases, the opening of the lid becomes difficult. Sometimes.

Therefore, conventionally, small air holes are formed in the ring-shaped packing in consideration of the ease of opening and closing of the lid. However, the tightness of the lidded container having such air holes is not sufficient. Often, the smell of food is not always the same.

[0004] In addition, such a container with a lid is often heated in a microwave oven. For this reason, a window having a small hole formed in the surface of the lid and capable of being opened and closed by an opening and closing member such as a slider is also used. Proposed. However, the degree of sealing of the window by such an opening / closing member is low, and the sealing property of the container is reduced, causing a problem that the smell of food is transferred.

[0005]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned problems. While the sealing performance when closing the lid can be improved, the lid can be easily opened by a simple operation. The present invention proposes a container with a closed lid having a novel structure that can be performed.

[0006]

That is, according to the first aspect of the present invention, a ring-shaped packing is mounted on a mounting groove of a vertical wall portion of a lid body in a horizontal direction, and the ring-shaped packing is mounted on an inner wall surface of a container body when the lid is closed. In a container with a lid that is made to be sealed by deforming pressure contact, while attaching so as to form a wide bent portion on one side of the ring-shaped packing,
The present invention relates to a container with a closed lid, wherein when the lid is opened, the lid is moved laterally in the direction of crushing the wide bent portion of the ring-shaped packing and opened.

[0007] The invention according to claim 2 relates to the container according to claim 1, wherein a wide portion is formed on one side of the ring-shaped packing.

The invention according to claim 3 relates to the container with a closed lid according to claim 2, wherein the ring-shaped packing is formed with a wide display portion representing a wide portion thereof.

According to a fourth aspect of the present invention, there is provided the container with a closed lid according to the third aspect, wherein the wide display portion of the ring-shaped packing is a projection.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, one side of an outer periphery of a groove member forming a mounting groove of the lid is formed as a small diameter portion, and the small diameter portion is provided with the small diameter portion. The present invention relates to a container with a closed lid in which a wide bent portion of a ring-shaped packing is formed.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects, a sealing lid having an attachment indicating portion for attaching the lid to the lid so as to form a wide bent portion of the ring-shaped packing is provided. Pertain to containers.

According to a seventh aspect of the present invention, there is provided a closed lid according to any one of the first to sixth aspects, wherein the lid is provided with a slide display portion indicating a sliding direction of the ring-shaped packing toward the wide bending portion. Pertains to a container with

According to an eighth aspect of the present invention, in the container according to any one of the first to seventh aspects, there is provided a container with a closed lid, wherein the lid has a pressing portion for sliding the ring-shaped packing toward the wide bending portion. Related.

A ninth aspect of the present invention is directed to the container with a closed lid according to the eighth aspect, wherein the pressing portion is a vertical flange portion formed all around the top surface of the lid.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is an overall perspective view of a container with a lid according to an embodiment of the present invention with a lid removed, and FIG.
3 is a perspective view of the lid with the ring-shaped packing removed, FIG. 4 is a plan view of the ring-shaped packing, and FIG. 5 is a ring around the outer periphery of the groove member of the lid. FIG. 6 is a plan view showing another embodiment of the ring-shaped packing, FIG. 7 is a cross-sectional view showing a state when the lid is closed, and FIG. 8 is a plan view showing the state when the lid is opened. FIG.

As shown, the container 10 with a closed lid according to the present invention comprises a container body 11 and a lid 20.
The ring-shaped packing 30 is horizontally mounted in the mounting groove 23 of the hanging wall portion 22 suspended from the lid surface portion 21 of the container body, and the ring-shaped packing 30 is deformed and pressed against the inner wall surface 13 of the container body 11 when the lid is closed. Pertains to a hermetic seal. According to the first aspect of the present invention, the wide-width bent portion W is attached to one side of the ring-shaped packing 30 and the lid 20 is crushed by the wide-width bent portion W of the ring-shaped packing 30 when the lid is opened. It is characterized by laterally moving in the direction and opening.

That is, according to the present invention, the bending deformation of the ring-shaped packing 30 at the wide bending portion W is increased by mounting the ring-shaped packing 30 so that the wide bending portion W is formed on one side thereof. The mobility of the whole body 20 is enhanced, and when the lid is opened, the lid is moved laterally in the direction of crushing the wide bent portion W of the ring-shaped packing 30 and opened. As described above, the mobility of the entire lid 20 is enhanced by the wide bent portion W of the ring-shaped packing 30, so that the width of the ring-shaped packing 30 can be increased, and the tightness of the lidded container 10 can be increased. On the other hand, the lid 20
Can be easily opened and closed. This allows
It is not necessary to form an air hole in the ring-shaped packing as in the related art. In addition, even when heating with a microwave oven or the like, the mobility of the lid 20 is enhanced by the wide bent portion W of the ring-shaped packing 30, so that air shrinkage in the container can be absorbed, as in the conventional case. It is not necessary to form an opening / closing window on a simple lid.

In order to attach the lid 20 so that a wide bent portion W is formed on one side of the ring-shaped packing 30, the ring-shaped packing 3 is defined as the invention of claim 2.
This is realized by forming the wide portion 35 on one side of the “0” (see FIGS. 4 and 5). Alternatively, as defined in the invention of claim 5, one side of the outer periphery of the groove member forming the mounting groove of the lid 20 is formed as a small diameter portion, and the wide bent portion W of the ring-shaped packing is formed at the small diameter portion. (See FIGS. 5 and 6). In the following embodiment, FIG.
FIG. 5 to FIG. 5 disclose a case in which a ring-shaped packing having a wide portion on one side is attached to the small-diameter portion in which one side of an outer periphery of a groove member forming a mounting groove of the lid is formed as a small-diameter portion. , A groove member forming an attachment groove of the lid is formed in such a manner that one side of the outer periphery is formed as a small diameter portion, and a ring-shaped packing having the same width is attached to the small diameter portion.
This will be described below.

First, the container 10 with a closed lid according to the embodiment shown in FIGS. 1 to 5 will be described.
May be any as long as it has an opening 12 used for this kind of container with a lid. In this example, a glass or ceramic storage container is exemplified. Similarly, the lid body 20 may be any one used for this type of container with a lid, and examples thereof include a synthetic resin, pottery, and wood. A synthetic resin molded product is advantageous in terms of workability. Similarly, the ring-shaped packing 30 is also a publicly known one, and here, the one made of silicone rubber is used.

In the illustrated lid 20, reference numeral 24 denotes a flange-shaped groove member forming the mounting groove 23, and 25 denotes a wide portion 3 of the ring-shaped packing 30 for forming a wide bent portion W.
Mounting display section for mounting 5 (the invention of claim 6);
Reference numeral 26 denotes a pressing portion 26 (the invention of claim 8) formed on the lid 20, and here, a vertical flange portion 27 (the claim 9).
And 29 is a slide display unit (invention of claim 7) indicating the sliding direction of the lid 20.

The illustrated ring-shaped packing 30 has a wide portion 35 formed on one side as defined in the second aspect of the present invention. Reference numeral 31 denotes an inner peripheral portion, 32 denotes an outer peripheral portion, and 33 denotes a general width portion ( A narrow portion with respect to the wide portion 35), an intermediate portion 36 which gradually widens from the general width portion 33 to the wide portion 35;
Is a wide display portion 36 (the invention of claim 3) representing the wide portion 35 of the ring-shaped packing 30, and here, the protrusion portion 37
(Invention of claim 4) is shown.

More specifically, the container 10 with a closed lid according to this embodiment includes a ring-shaped packing 30 having a wide portion 3.
5 is formed to increase the degree of sealing of the lid 20. As can be seen from the plan view of FIG. 4, the wide portion 35 of the ring-shaped packing 30 of the embodiment is formed on the opposite side of the general width portion 33 having the conventional width, and the general width portion 33 and the wide portion 35 are different from each other. They are smoothly connected by intermediate portions 34, 34 of which the width gradually changes. In this example, the inner peripheral portion (circular) 31
Is formed to have a radius R of 34.5 mm, a radius R1 of the general width portion 33 of the outer peripheral portion 32 is 47 mm (dashed circle S1), and a radius R2 of the wide portion 35 of the outer peripheral portion 32 is 50 mm (dashed circle S2). Therefore, the width of the general width portion 33 of the ring-shaped packing 30 is 13.5 mm, and the width of the wide portion 35 is 15.5 m.
m, the difference between the two widths is 2.0 mm. The thickness of the ring packing is 1 to 1.5 mm.

The ring-shaped packing 30 is fitted into a mounting groove 23 formed in the vertical wall portion 22 of the lid 20 as shown in FIG. Mounting groove 23 is vertical wall 22
It is formed by the lower flange-shaped groove member 24 and horizontally fits and holds the ring-shaped packing 30.

In this embodiment, as shown in FIG.
Outer periphery 40 of groove member 24 forming mounting groove 23 of lid 20
Is formed as a small-diameter portion 41, and the wide portion 35 of the ring-shaped packing 30 is attached to the small-diameter portion 41 to form a wide bent portion W. Reference numeral 42 in FIG. 5 denotes a general diameter portion on the opposite side of the small diameter portion 41, and the small diameter portion 41 and the general diameter portion 42 are smoothly connected by intermediate portions 43, 43. In this example, the inner periphery (circular) radius R4 of the groove member 24 is 34 mm, and the radius R5 of the small diameter portion 41 is 41 mm.
(Circle S5 with a broken line), the radius R6 of the general diameter portion 42 is 43.5.
mm (dashed circle S6), and the small diameter portion 41 is smaller than the general diameter portion by 2.5 mm. Therefore, the wide bent portion W of the ring-shaped packing 30 of this example is
Compared to the general width portion 33 on the opposite side, the packing 30 is formed to be wider by 2 mm as described above and the outer periphery 40 of the groove member 24 to be 2.5 mm wider, that is, 4.5 mm in total.

Here, another embodiment shown in FIG. 6 will be described. The ring-shaped packing 50 shown in FIG. 6 has substantially the same ring shape as the whole, and is attached to the groove member 24 of the lid 20 shown in FIG. As described above, one side of the outer periphery 40 of the groove member 24 has a small diameter portion 41.
By attaching a ring-shaped packing 50 having the same width to the small-diameter portion 41, the small-diameter portion 4 is formed.
The packing portion 55 located at 1 is formed as a wide bent portion W. In the figure, reference numeral 53 denotes a packing portion located on the general diameter portion 42 of the outer periphery 40 of the groove member 24, and reference numeral 54 denotes a small diameter portion 41
Portions 43 and 4 for smoothly connecting to the general diameter portion 42
3 is a packing portion. In this example,
Since the width of the packing 50 is the same, the difference between the packing portion 55 located at the wide bent portion W which is the small diameter portion 41 and the packing portion 53 located at the general diameter portion 42 on the opposite side is the difference between the outer periphery 40 of the groove member 24. The difference is 2.5 mm.

Next, the opening and closing of the container 10 with a closed lid according to the present invention will be described with reference to FIGS. In these figures, one side of the outer periphery 40 of the groove member 24 forming the mounting groove 23 of the lid 20 is formed as a small diameter portion 41, and the wide portion 35 of the ring-shaped packing 30 is attached to the small diameter portion 41. The example in which the wide bent portion W is formed is illustrated.

As shown in FIG. 7, when the lid is closed, the lid 2
0 may be placed over the opening 12 of the container body 11 and pressed directly from above. As shown in FIG. 7 (7B), the ring-shaped packing 30 is moved by the pressing force from above a.
The container 10 is deformed by the inner wall surface 13 and is brought into close contact with the inner wall surface 13 due to its flexibility. At this time, as can be seen from the figure, since the ring-shaped packing 30 has the wide bent portion W formed by the wide portion 35,
The large-width bent portion W is more greatly deformed, has a strong pressing force, and enhances the tightness of the lid 20. At this time, when the lid 20 is lightly moved two or three times in the direction b opposite to the wide bent portion W, the ring-shaped packing 30 is moved to the inner wall surface 13 of the container body 11.
On average, the familiarity is stable.

FIGS. 8A and 8B show a state in which the lid is opened. As described above, the container 10 with the closed lid of the present invention has the high sealing property of the lid 20 due to the wide bent portion W of the ring-shaped packing 30, so that the lid 10 of the conventional general container of this kind is used. It may be difficult to easily open the lid by pushing up the lid 20. According to the present invention, first, as shown in FIG. 8A, the lid 20 is moved (slid) in the direction c in which the wide bent portion W of the ring-shaped packing 30 is crushed. As a result, the wide bending portion W of the ring-shaped packing 30 is largely crushed, and the general width portion 33 located on the opposite side is released from the pressure contact with the inner wall surface 13 of the container body 11. FIG. 8A shows a state in which the general width portion 33 is separated from the inner wall surface 13, but it is sufficient if the pressure contact force is reduced without separating. Then, in this state, as shown in FIG. 8 (8B), the lid 20 can be easily removed by pushing the lid 20 upward d from the side of the general width portion 33 where the pressure contact force is reduced. .

Next, another variation of the present invention will be described. According to the invention of claim 3, when the wide portion 35 is formed on one side of the ring-shaped packing 30 on the lid 20 (claim 2), the wide display portion 36 representing the wide portion 35 is formed on the ring-shaped packing 30. It was done. Wide display 3
Reference numeral 6 denotes a display for convenience when the ring-shaped packing 30 is removed for cleaning or the like and is mounted again. The wide display portion 36 can be formed by appropriate means such as printing or engraving, but the projection 37 defined as the invention of claim 4 and illustrated as an embodiment can be easily formed integrally with the ring-shaped packing 30. It is preferable because it can be formed and a reliable display is maintained for a long period of time.

According to a fifth aspect of the present invention, one side of the outer periphery 40 of the groove member 24 forming the mounting groove 23 of the lid 20 is formed as a small diameter portion 41 as in the embodiment described above and shown in FIGS. The ring-shaped packing 3 is formed on the small-diameter portion 41.
In this case, 0, 50 wide bent portions W are formed. Thereby, when the wide part 35 is formed in the ring-shaped packing 30, a larger wide bent part W can be obtained. Further, the wide bent portion W can be easily formed even with the ring-shaped packing 50 having substantially the same width.

According to a sixth aspect of the present invention, an attachment indicating portion 25 for attaching the lid 20 to form a wide bent portion W of the ring-shaped packing is formed. The mounting display section 25 is a display for convenience when the ring-shaped packing is removed for cleaning or the like and mounted again. In general, the mounting display portion 25 is formed on the lower surface side of the groove member 24 of the vertical wall portion 22 as in the embodiment.

According to the invention of claim 7, the sliding direction of the ring-shaped packing toward the wide bending portion W side of the lid 20 ((8 in FIG. 8)
The slide display unit 29 (see FIG.
Reference) is formed. The slide display unit 29 is formed on the upper surface of the lid surface 21 of the lid body 20 by an engraved or printed arrow or the like, so that the lid is easily opened.

According to the eighth aspect of the present invention, a pressing portion 26 for sliding the ring-shaped packing 30 toward the wide bending portion W is formed on the lid 20. The pressing portion 26 is a cover 2
It may be a finger hook for pressing 0. The vertical flange portion 27 formed on the entire periphery of the upper surface of the lid 20 as defined in the invention of claim 9 functions as the pressing portion 26, and as described above, the ring-shaped packing is used to close the lid when closing the lid. 11 can be moved in the opposite direction (symbol b in FIG. 7 (7B)) in order to fit the inner wall 13 of the container 11, and the lid 20 can be stably held by holding the entire container with both hands. This is a preferred embodiment. Although not shown, the pressing portion 26 may of course be a partial protrusion. In the case of a partial projection, the projection can also serve as the slide display section described above.

[0034]

As shown and described above, according to the present invention, a wide bent portion is formed on one side of a ring-shaped packing in a container with a lid which is closed and opened by elastic deformation of the ring-shaped packing. When the cover is opened, the bending deformation of the ring-shaped packing in the wide-width bent portion is increased, and the mobility of the entire lid is increased. It can be easily opened by moving it in the direction of crushing the part. By increasing the mobility of the entire lid by the wide bent portion of the ring-shaped packing, the width of the ring-shaped packing can be increased, and the sealing performance of the container with the seed lid can be increased.
The lid can be easily opened and closed. Thereby, it is not necessary to form an air hole in the ring-shaped packing as in the related art.

In addition, even when heating by a microwave oven or the like, the mobility of the entire lid is enhanced by the wide bent portion of the ring-shaped packing. It is not necessary to form an opening / closing window on such a lid. As described above, in the closed container with the lid according to the present invention, high sealing performance can be ensured, and problems such as the smell of food being transferred can be solved.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a container with a lid according to an embodiment of the present invention, with a lid removed.

FIG. 2 is a perspective view of the back surface side of the lid of FIG.

FIG. 3 is a perspective view of a lid with a ring-shaped packing removed.

FIG. 4 is a plan view of a ring-shaped packing.

FIG. 5 is a plan view illustrating a relationship between an outer periphery of a groove member of a lid and a ring-shaped packing.

FIG. 6 is a plan view showing another embodiment of the ring-shaped packing.

FIG. 7 is a cross-sectional view illustrating a state when the lid is closed.

FIG. 8 is a sectional view illustrating a state when a lid is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Container with a sealing lid 11 Container main body 12 Opening 13 Inner wall surface 20 Lid body 21 Cover surface 22 Vertical wall part 23 Mounting groove 24 Groove member 25 Mounting display part 26 Press part 27 Vertical flange part 29 Slide display part 30 Ring packing 33 General width part 34 Intermediate part 35 Wide part 36 Wide display part 37 Projection part 40 Outer circumference of groove member 41 Small diameter part 42 General diameter part 50 Ring packing W Wide bending part

Claims (9)

[Claims] 1. A container with a lid in which a ring-shaped packing is mounted in a mounting groove in a vertical wall portion of a lid in a horizontal direction and the ring-shaped packing is deformed and pressed against an inner wall surface of a container body when the lid is closed. In the above, it is attached so as to form a wide bent portion on one side of the ring-shaped packing, and at the time of opening the lid, the lid body is moved laterally in a direction of crushing the wide bent portion of the ring-shaped packing and opened. Features a container with a closed lid. 2. The container according to claim 1, wherein a wide portion is formed on one side of the ring-shaped packing. 3. The container with a closed lid according to claim 2, wherein the ring-shaped packing is formed with a wide display portion representing a wide portion thereof. 4. The container according to claim 3, wherein the wide display portion of the ring-shaped packing is a projection. 5. The wide bent portion of the ring-shaped packing according to claim 1, wherein one side of an outer periphery of a groove member forming a mounting groove of the lid is formed as a small diameter portion. A container with a closed lid in which is formed. 6. The container with a closed lid according to claim 1, further comprising: an attachment indicating portion attached to the lid so as to form a wide bent portion of the ring-shaped packing. 7. The container with a closed lid according to claim 1, wherein a slide display portion indicating a sliding direction of the ring-shaped packing toward a wide bending portion is formed on the lid. 8. The container with a closed lid according to claim 1, wherein the lid has a pressing portion for sliding the ring-shaped packing toward a wide bending portion. 9. The container with a closed lid according to claim 8, wherein the pressing portion is a vertical flange formed on the entire circumference of the upper surface of the lid.