KR101748501B1 - cool and heat reserving apparatus - Google Patents

cool and heat reserving apparatus Download PDF

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Publication number
KR101748501B1
KR101748501B1 KR1020150164589A KR20150164589A KR101748501B1 KR 101748501 B1 KR101748501 B1 KR 101748501B1 KR 1020150164589 A KR1020150164589 A KR 1020150164589A KR 20150164589 A KR20150164589 A KR 20150164589A KR 101748501 B1 KR101748501 B1 KR 101748501B1
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KR
South Korea
Prior art keywords
heat insulating
transfer chamber
fluid inlet
cold storage
heat transfer
Prior art date
Application number
KR1020150164589A
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Korean (ko)
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KR20170060316A (en
Inventor
이명혜
Original Assignee
이지영
이지민
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Priority to KR1020150164589A priority Critical patent/KR101748501B1/en
Publication of KR20170060316A publication Critical patent/KR20170060316A/en
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Publication of KR101748501B1 publication Critical patent/KR101748501B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

It is a technical object of the present invention to provide a cold storage and warming apparatus capable of maximizing the value of a commodity for a food and making maximum use of an inner space by preventing the ice pack and food from being mixed with each other. To this end, the cold storage warming apparatus of the present invention is a cold storage warming apparatus used in the form of a box, comprising: a heat insulating case made of heat insulating material and having an upper opening portion and a receiving space; A first heat transfer chamber provided on an inner surface of the heat insulating case for filling a working fluid to provide cold or warmth; A first fluid inlet / outlet for injecting or discharging the working fluid into / from the first heat transfer chamber; And a heat insulating lid which is made of a heat insulating material to open and close the upper open part.

Description

[0002] Cool and heat reserving apparatus [0003]

The present invention relates to a cold storage and warming apparatus capable of maintaining a food at a constant temperature as much as possible regardless of the ambient temperature.

Generally, the cold storage thermostat plays a role of freshly keeping warm or keeping food such as meat, fish, or food produced by processing them.

1 is a sectional view showing a conventional cold storage warming box.

In the conventional cold storage warmth box, the heat insulating case 10 and the heat insulating cap 12, which are made of the heat insulating material as shown in Fig. 1, constitute the external appearance. Most of the heat insulating case 10 and the heat insulating cap 12 are made of foamed styrofoam.

In the internal space 14 formed by the heat insulating case 10 and the heat insulating cap 12, a food 16 requiring heat insulation such as meat or fish or foods made by processing them is placed directly. Further, the ice pack 18 is placed in the inner space 14 to prevent the deterioration of the food.

However, in the conventional cold storage warming box, when the ice pack 18 is laid on the bottom of the internal space 14 and the food 16 is placed on the ice pack 18 or the ice pack 18 is placed on the upper side of the food 16, There is a problem that the ice pack 18 of the ice pack 18 easily flows in the inner space 14 of the packaging box and is mixed with the ordered product 16 in a messy manner,

Further, since the ice pack 18 is placed together with the food 16 in the internal space 14, there is a problem that the internal space capable of accommodating the food 16 becomes relatively narrow as the space occupied by the ice pack 18 .

In addition, since the cold storage warming box and the ice pack 18 are purchased separately, they are relatively inexpensive and tend to use the cold storage box made of styrofoam only once, thereby causing environmental pollution have.

Korean Patent Publication No. 10-2015-0001494 (published on January 06, 2015)

An object of the present invention is to provide a cold storage and warming apparatus capable of maximizing the value of a product for a food by preventing the ice pack and food from being mixed with each other and utilizing the internal space to the maximum.

Another object of the present invention is to provide a cold storage and warming apparatus capable of providing a food in a form of a left-hand plate which can be sold while keeping the freshness of the food.

In order to achieve the above object, a cold storage warming apparatus according to an embodiment of the present invention is a cold storage and warming apparatus used in the form of a box, comprising: a heat insulating case made of heat insulating material and having an upper opening portion and a receiving space; A first heat transfer chamber provided on an inner surface of the heat insulating case for filling a working fluid to provide cold or warmth; A first fluid inlet / outlet for injecting or discharging the working fluid into / from the first heat transfer chamber; And a heat insulating lid which is made of a heat insulating material to open and close the upper open part.

The first fluid inlet / outlet part may include: a first through hole formed in the heat insulating case; A first fluid inlet / outlet hole formed in the first heat transfer chamber so as to correspond to the first through hole; A first neck extending from an edge of the first fluid inlet / outlet hole and inserted into the first through hole and having a tubular shape; And a first heat insulating plug formed by opening and closing the first neck portion and made of a heat insulating material.

The first heat insulating cap may have a shape covering an end of the first neck so that the end of the first neck is not exposed to the outside.

The cold storage warming apparatus according to an embodiment of the present invention includes a second heat transfer chamber provided on an inner surface of the heat insulating lid for filling a working fluid to provide cold or warmth; And a second fluid inlet and outlet for injecting or discharging the working fluid into the second heat transfer chamber.

The second fluid inlet / outlet part may include a second through hole formed in the heat insulating cover; A second fluid inlet / outlet hole formed in the second heat transfer chamber so as to correspond to the second through hole; A second neck extending from an edge of the second fluid inlet / outlet hole and inserted into the second through hole and having a tubular shape; And a second insulating cap for opening and closing the second neck portion and made of a heat insulating material.

The second heat insulating cap may have a shape that covers an end of the second neck so that the end of the second neck is not exposed to the outside.

Meanwhile, the cold storage warming apparatus according to another embodiment of the present invention is a cold storage and warming apparatus used in the form of a left-hand plate, which is made of a heat insulating material and has a plate shape; A third heat transfer chamber provided on a surface of the heat insulating plate on which the food is to be placed and for filling a working fluid to provide cooling or warming; And a third fluid inlet and outlet for injecting or discharging the working fluid into the third heat transfer chamber.

The third fluid inlet / outlet portion includes a third through hole formed in the heat insulating seat; A third fluid inlet / outlet hole formed in the third heat transfer chamber so as to correspond to the third through hole; A third neck extending from an edge of the third fluid inlet / outlet hole and inserted into the third through hole and having a tubular shape; And a third insulating cap for opening and closing the third neck portion and made of a heat insulating material.

The third heat insulating cap may have a shape that covers an end portion of the third neck portion so that an end of the third neck portion is not exposed to the outside.

As described above, the cold storage warming apparatus according to the embodiments of the present invention can have the following effects.

According to the embodiment of the present invention, there is provided a technology structure including a heat insulating case, a first heat transfer chamber, a first fluid inlet / outlet part, and a heat insulating cover so that it is not necessary to separately use an existing ice pack, And food can be prevented from being mixed with each other, thereby maximizing the value of the product for the food and maximizing the use space of the heat insulating case. Furthermore, since the cold storage warming apparatus of the present invention is improved not only in a simple styrofoam but also in a value that can not be easily disposed, environmental pollution can be minimized.

According to another embodiment of the present invention, since the technical constitution including the heat insulating seat, the third heat transfer chamber, and the third fluid outlet is provided, it is provided in the form of a seat plate in which food can be sold while keeping the freshness of food can do.

1 is a sectional view showing a conventional cold storage warming box.
2 is a cross-sectional view schematically showing a cold storage and warming apparatus according to a first embodiment of the present invention.
3 is a cross-sectional view schematically showing a cold storage and warming apparatus according to a second embodiment of the present invention.
4 is a cross-sectional view schematically showing a cold storage warming apparatus according to a third embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

2 is a cross-sectional view schematically showing a cold storage and warming apparatus according to a first embodiment of the present invention.

2, the cold storage and warming apparatus 100 according to the first embodiment of the present invention is a cold storage and warming apparatus used in a box form and includes a heat insulating case 110, a first heat transfer chamber 120, A first fluid inlet 130, and a heat-insulating lid 140. Hereinafter, each component will be described in detail with continued reference to Fig.

As shown in FIG. 2, the heat insulating case 110 is made of a heat insulating material so as to block heat exchange with outside air as much as possible. The heat insulating case 110 has an upper opening part 111 and a receiving space 112 The branch is a component. For example, styrofoam or urethane may be used as the heat insulating material.

The first heat transfer chamber 120 is a component provided on the inner surface of the heat insulating case 110, as shown in FIG. 2, to fill the working fluid F to provide cooling or heating.

Specifically, the first heat transfer chamber 120 may be attached to the inner surface of the heat insulating case 110 through an adhesive agent, fusion bonding, or the like. The first heat transfer chamber 120 may be made of a metal such as aluminum having a high heat transfer rate so as to maximize heat exchange with the housing space 112 of the heat insulating case 110. Also, though not shown, a disposable metal foil or the like may be covered on the surface of the first heat transfer chamber 120 facing the accommodation space 112 to maintain the internal cleanliness while maintaining the heat transfer rate.

Further, as shown in FIG. 2, the first heat transfer chamber 120 may have a flat shape and cover the entire inner surface of the heat insulating case 110. Accordingly, it is possible to minimize the volume ratio of the accommodation space through the flat shape, and the temperature of the accommodation space 112 can be maintained as uniform as possible through the shape covering the entire inner surface of the heat insulation case 110.

As a working fluid for providing cold air, it is possible to use a material having a low freezing point. In case of a low material, the material may be injected into the first heat transfer chamber 120 in a liquid state without freezing even if it is cooled from the outside to a predetermined temperature It is because. Further, as a working fluid for providing warmth, a material having a high breaking point may be used. In the case of a material having a high breaking point, even if heated to a predetermined temperature from the outside, the first heat transfer chamber 120 is injected in a liquid state I can do it.

The first fluid inlet 130 is a component that injects or discharges the working fluid F into the first heat transfer chamber 120, as shown in FIG.

2, the first fluid outlet 130 includes a first through hole 131, a first fluid outlet 132, a first neck 133, and a first heat- (134).

The first through hole 131 is formed in the heat insulating case 110. The first fluid inlet and hole 132 is formed in the first heat transfer chamber 120 to correspond to the first through hole 131, And the first heat insulating plug 133 opens and closes the first neck 133. The first heat insulating plug 133 extends to the edge of the first fluid access hole 132 and is inserted into the first through hole 131 and has a tubular shape, And may be made of a heat insulating material such as styrofoam or urethane.

2, the first insulating cap 134 may have a shape that covers the end portion of the first neck 133 such that the end of the first neck 133 is not exposed to the outside. Therefore, heat dissipation to the outside through the first neck portion 133 can be minimized.

2, the outer circumferential surface of the first heat insulating plug 134 and the inner circumferential surface of the first neck portion 133 are screwed together so that the first heat insulating plug 134 is firmly engaged with the first neck portion 133, .

As shown in FIG. 2, the heat insulating cover 140 is a constituent element made of a heat insulating material by opening and closing the upper open portion 111 of the heat insulating case 110. For example, styrofoam or urethane may be used as the heat insulating material.

Therefore, according to the first embodiment of the present invention described above, the heat insulating case 110, the first heat transfer chamber 120, the first fluid inlet 130, and the heat insulating cover 140 It is possible to prevent the ice pack and the food from being mixed with each other. Therefore, it is possible to maximize the value of the product for the food, (112). Furthermore, since the cold storage warming apparatus 100 of the present invention is not simple styrofoam but is improved to a value that can not be easily discarded, environmental pollution can be minimized.

Hereinafter, the cold storage and warming apparatus 200 according to the second embodiment of the present invention will be described in detail with reference to FIG.

3 is a cross-sectional view schematically showing a cold storage and warming apparatus according to a second embodiment of the present invention.

3, the cold storage and warming apparatus 200 according to the second embodiment of the present invention further includes a second heat transfer chamber 220 and a second fluid inlet 230 in the heat insulating lid 240 The second heat transfer chamber 220 and the second fluid inlet / outlet unit 230 will now be described with reference to FIG.

The second heat transfer chamber 220 is a component that is provided on the inner surface of the heat insulating cover 240 and fills the working fluid F to provide cooling or heating, as shown in FIG.

Specifically, the second heat transfer chamber 220 may be attached to the inner surface of the heat insulating cover 240 through an adhesive agent, a fusion bond, or the like. The second heat transfer chamber 220 may be made of a metal such as aluminum having a high heat transfer rate so as to maximize heat exchange with the receiving space 112 of the heat insulating case 110. Also, though not shown, a disposable metal foil or the like may be covered on the surface of the second heat transfer chamber 220 facing the accommodation space 112 to maintain the internal cleanliness while maintaining the heat transfer rate.

Further, as shown in FIG. 3, the second heat transfer chamber 220 may have a flat shape and cover the entire inner surface of the heat insulating cover 240. Therefore, even if the heat insulating cover 240 covers the heat insulating case 110 through the flat shape, it is possible to minimize the reduction in the volume ratio of the heat receiving case 112, It is possible to maintain the temperature of the heat exchanger 112 as uniform as possible.

Also, as mentioned above with reference to the first embodiment of the present invention, a material having a low freezing point may be used as a working fluid for providing cold air, and a material having a high breaking point may be used as a working fluid for providing warmth .

The second fluid inlet 230 is a component that injects or discharges the working fluid F into the second heat transfer chamber 220, as shown in FIG.

3, the second fluid inlet / outlet part 230 includes a second through hole 231, a second fluid inlet / outlet hole 232, a second neck 233, (234).

The second through hole 231 is formed in the heat insulating cover 240 and the second fluid inlet and hole 232 is formed in the second heat transfer chamber 220 so as to correspond to the second through hole 231, And the second heat insulating plug 233 opens and closes the second neck 233, and the second heat insulating plug 233 extends to the edge of the second fluid inlet / outlet hole 232 and is inserted into the second through hole 231 and has a tubular shape, And may be made of a heat insulating material such as styrofoam or urethane.

3, the second insulating cap 234 may have a shape covering the end portion of the second neck 233 such that the end of the second neck 233 is not exposed to the outside. Therefore, heat dissipation to the outside through the second neck portion 233 can be minimized.

3, the outer circumferential surface of the second heat insulating plug 234 and the inner circumferential surface of the second neck portion 233 are screwed to each other so that the second insulating cap 234 is firmly engaged with the second neck 233. [ .

Therefore, according to the second embodiment of the present invention, since the second heat transfer chamber 220 and the second fluid inlet 230 are further provided in the heat insulating lid 240, It is possible to further maximize the cooling and warming effect.

Hereinafter, a cold storage and warming apparatus 300 according to a third embodiment of the present invention will be described in detail with reference to FIG.

4 is a cross-sectional view schematically showing a cold storage warming apparatus according to a third embodiment of the present invention.

As shown in FIG. 4, the cold storage and warming apparatus 300 according to the third embodiment of the present invention is a cold storage and warming apparatus used in the form of a left-hand plate. The cold storage and warming apparatus 300 includes a heat insulating seat 310, a third heat transfer chamber 320, And a third fluid inlet (330). Hereinafter, each component will be described in detail with continued reference to Fig.

As shown in FIG. 4, the heat-insulating seat 310 is a component having a plate shape so as to be able to put food thereon, which is made of a heat insulating material so as to block heat exchange with the floor or objects placed thereunder as much as possible . For example, styrofoam or urethane may be used as the heat insulating material.

As shown in FIG. 4, the third heat transfer chamber 320 is provided on the seating surface on which the food is put on the heat insulating seat 310 and can be filled with the working fluid F to provide cool air or warmth Element.

Specifically, the third heat transfer chamber 320 may be attached to the seating surface of the heat insulating seat 310 through an adhesive agent or fusion welding. The third heat transfer chamber 320 may be made of a metal such as aluminum having a high heat transfer rate so as to maximize heat exchange with food placed on the heat insulating seat 310. Although not shown, a disposable metal foil or the like may be covered on the surface of the third heat transfer chamber 320 facing the food, in order to maintain internal cleansing while maintaining the heat transfer rate.

As shown in FIG. 4, the third heat transfer chamber 320 may have a flat shape and cover the entire seating surface of the heat insulating seat 310. Accordingly, it is possible to minimize the area where the food can be raised through the flat shape, and to keep the temperature of the seating surface of the heat insulating seat 310 as uniform as possible through the form covering the entire seating surface of the heat insulating seat 310 .

Also, as mentioned in the first embodiment of the present invention, a material having a low freezing point may be used as a working fluid for providing cold air, and a material having a high breaking point may be used as a working fluid for providing warmth. .

The third fluid inlet is a component that injects or discharges the working fluid F into the third heat transfer chamber 320, as shown in FIG.

4, the third fluid inlet / outlet part 330 includes a third through hole 331, a third fluid inlet / outlet hole 332, a third neck 333, Gt; 334 < / RTI >

The third through hole 331 is formed in the heat insulating seat 310 and the third fluid outlet 332 is formed in the third heat transfer chamber 320 so as to correspond to the third through hole 331, And the third heat insulating plug 333 extends to the edge of the third fluid outlet 332 and is inserted into the third through hole 331 and has a tubular shape and the third insulating cap 334 opens and closes the third neck 333 And may be made of a heat insulating material such as styrofoam or urethane.

4, the third insulating cap 334 may have a shape that covers the end of the third neck 333 so that the end of the third neck 333 is not exposed to the outside. Therefore, heat dissipation to the outside through the third neck portion 333 can be minimized.

4, the outer circumferential surface of the third insulating cap 334 and the inner circumferential surface of the third neck portion 333 are screwed together so that the third insulating cap 334 is firmly engaged with the third neck portion 333. [ .

Therefore, according to the above-described third embodiment of the present invention, since the heat insulating seat 310, the third heat transfer chamber 320, and the third fluid outlet 330 are provided, It can be provided in the form of a plate that can be sold while keeping food fresh.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of the right.

100, 200, 300: a cold storage and warming apparatus 110: a heat insulating case
111: upper opening part 112: accommodation space
120: first heat transfer chamber 130: first fluid inlet
131: first through hole 132: first fluid inlet / outlet hole
133: first neck portion 134: first insulating cap
140, 240: insulating cover 220: second heat transfer chamber
230: second fluid inlet 231: second through hole
232: second fluid inlet / outlet hole 233: second neck portion
234: Second insulation cap 310: Insulated seating plate
320: third heat transfer chamber 330: third fluid inlet
331: third through hole 332: third fluid inlet and hole
333: third neck portion 334: third insulating cap

Claims (9)

As a cold storage device used in box form,
A heat insulating case made of a heat insulating material and having an upper opening and a receiving space;
A first heat transfer chamber provided on an inner surface of the heat insulating case for filling a working fluid to provide cold or warmth;
A first fluid inlet / outlet for injecting or discharging the working fluid into / from the first heat transfer chamber; And
A heat insulating lid which is made of a heat insulating material by opening and closing the upper open portion;
/ RTI >
The first fluid inlet /
A first through hole formed in the heat insulating case;
A first fluid inlet / outlet hole formed in the first heat transfer chamber so as to correspond to the first through hole;
A first neck extending from an edge of the first fluid inlet / outlet hole and inserted into the first through hole and having a tubular shape; And
A first heat insulating plug formed of a heat insulating material to open and close the first neck,
Containing
Insulated cold storage device. delete The method of claim 1,
Wherein the first heat insulating plug has a shape covering the end portion of the first neck portion so that an end of the first neck portion is not exposed to the outside
Insulated cold storage device. The method of claim 1,
The cold storage and warm-
A second heat transfer chamber provided on an inner surface of the heat insulating lid to fill the working fluid to provide cold or warmth; And
A second fluid inlet / outlet port for injecting or discharging the working fluid into / from the second heat transfer chamber,
Further comprising
Insulated cold storage device. 5. The method of claim 4,
The second fluid inlet /
A second through hole formed in the heat insulating cover;
A second fluid inlet / outlet hole formed in the second heat transfer chamber so as to correspond to the second through hole;
A second neck extending from an edge of the second fluid inlet / outlet hole and inserted into the second through hole and having a tubular shape; And
And a second heat insulating plug
Containing
Insulated cold storage device. The method of claim 5,
And the second heat insulating plug has a shape that covers an end portion of the second neck portion so that an end of the second neck portion is not exposed to the outside
Insulated cold storage device. It is a cold storage warming device used in the form of a stool,
An insulating seat plate made of a heat insulating material and having a plate shape;
A third heat transfer chamber provided on a surface of the heat insulating plate on which the food is to be placed and for filling a working fluid to provide cooling or warming; And
And a third fluid inlet / outlet port for injecting or discharging the working fluid into the third heat transfer chamber
/ RTI >
The third fluid inlet /
A third through hole formed in the insulating seat;
A third fluid inlet / outlet hole formed in the third heat transfer chamber so as to correspond to the third through hole;
A third neck extending from an edge of the third fluid inlet / outlet hole and inserted into the third through hole and having a tubular shape; And
And a third heat insulating plug
Containing
Insulated cold storage device. delete 8. The method of claim 7,
And the third heat insulating plug has a shape covering the end portion of the third neck portion so that the end of the third neck portion is not exposed to the outside
Insulated cold storage device.
KR1020150164589A 2015-11-24 2015-11-24 cool and heat reserving apparatus KR101748501B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150164589A KR101748501B1 (en) 2015-11-24 2015-11-24 cool and heat reserving apparatus

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Application Number Priority Date Filing Date Title
KR1020150164589A KR101748501B1 (en) 2015-11-24 2015-11-24 cool and heat reserving apparatus

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Publication Number Publication Date
KR20170060316A KR20170060316A (en) 2017-06-01
KR101748501B1 true KR101748501B1 (en) 2017-06-23

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000118573A (en) * 1998-10-14 2000-04-25 Makoto Yanai Cold reserving container
KR200392192Y1 (en) * 2005-05-13 2005-08-19 엄홍섭 Sealing Structure of a Plate with Function of Heat and Cold Insulation
JP2009268757A (en) * 2008-05-08 2009-11-19 Yasuharu Shidosawa Keep-warm or keep-cold container, lid, saucer, plate, vacuum bottle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000118573A (en) * 1998-10-14 2000-04-25 Makoto Yanai Cold reserving container
KR200392192Y1 (en) * 2005-05-13 2005-08-19 엄홍섭 Sealing Structure of a Plate with Function of Heat and Cold Insulation
JP2009268757A (en) * 2008-05-08 2009-11-19 Yasuharu Shidosawa Keep-warm or keep-cold container, lid, saucer, plate, vacuum bottle

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