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WO2024248190A1 - Récipient alimentaire chauffé respectueux de l'environnement pour réduction du carbone - Google Patents

Récipient alimentaire chauffé respectueux de l'environnement pour réduction du carbone Download PDF

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Publication number
WO2024248190A1
WO2024248190A1 PCT/KR2023/007644 KR2023007644W WO2024248190A1 WO 2024248190 A1 WO2024248190 A1 WO 2024248190A1 KR 2023007644 W KR2023007644 W KR 2023007644W WO 2024248190 A1 WO2024248190 A1 WO 2024248190A1
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WO
WIPO (PCT)
Prior art keywords
container
eco
handle
carbon reduction
food container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2023/007644
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English (en)
Korean (ko)
Inventor
한아름
김진철
김민철
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Ecosirak Co ltd
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Ecosirak Co ltd
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Filing date
Publication date
Application filed by Ecosirak Co ltd filed Critical Ecosirak Co ltd
Publication of WO2024248190A1 publication Critical patent/WO2024248190A1/fr
Anticipated expiration legal-status Critical
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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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • 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
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0201—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together side-by-side
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/28—Handles
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/28—Handles
    • B65D25/2802—Handles fixed, i.e. non-swingable, handles
    • B65D25/2805—Handles fixed, i.e. non-swingable, handles provided on a local area of the side walls
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • 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
    • B65D81/34—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 for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Definitions

  • the present invention relates to a heat-generating food container, and more specifically, to an eco-friendly heat-generating food container for reducing carbon emissions by reducing the amount of carbon generated and recycling in a heat-generating food container for keeping the temperature of delivered and packaged food warm for a long time, and by using eco-friendly materials instead of the petroleum-based packaging materials such as polypropylene (PP), which have been used in the past, while ensuring both flexibility and rigidity.
  • PP polypropylene
  • Utility Model Publication No. 20-0229200 discloses a disposable meal set comprising a heating element packaging unit capable of heating a food packaging container, a staple and side dish packaging container in which cooked food is vacuum-packed, a paper case for taking portions of the meal out and eating it, and a packaging bag for individually sealing/storing the case.
  • the disposable meal set disclosed in the above prior document can heat food outdoors by using a heating element packaging unit, there is the inconvenience of having to fold separate utensils and scoop out food after the main and side dish packaging containers are heated.
  • Publication of Utility Model No. 20-2009-0009347 discloses a heating container in which cooking is performed by heating an inner container containing food by inserting a heating element that reacts with water and generates heat into the main body, the heating container including a main body in which the inner container containing food is inserted/attached to the upper portion with a gap therebetween from the bottom and the side, a sealed lid that covers the inner container together with the main body, and an exhaust hole formed on one side of the upper portion of the main body through which steam from water heated by the reaction with the heating element inside the main body is exhausted.
  • the heating container disclosed in the above prior art document had the inconvenience of having to open the sealed lid when in use, remove the inner container containing food, inject water into the main body, reinsert the inner container into the main body, and then seal the sealed lid.
  • the conventional heating container had the problem of having to inject water to heat the heating element, which was cumbersome.
  • a packaging container is needed to keep the temperature of the food being delivered and packaged warm for a long time.
  • the purpose of the present invention to solve the above problems is to provide an eco-friendly, heat-generating food container that reduces carbon emissions and ensures both flexibility and rigidity by using eco-friendly materials rather than the petroleum-based packaging materials such as polypropylene (PP), which have been used in the past, while reducing the amount of carbon generated and recycling in a heat-generating food container to keep the temperature of delivered and packaged food warm for a long time.
  • eco-friendly materials such as polypropylene (PP), which have been used in the past
  • the present invention comprises: an outer container having an open top, wherein a heating element that reacts with water and generates heat is positioned therein; an inner container having a shape corresponding to the outer container and inserted into the inside of the outer container and provided to contain food therein; and a lid container provided to cover the upper part of the inner container, wherein the outer container, the inner container, and the lid container are made of an eco-friendly bio-based plastic material containing plant-based raw materials, thereby enhancing carbon reduction performance during recycling and improving durability at a temperature of 120°C or higher.
  • the outer container, the inner container, and the lid container may be formed of a bio-based plastic material formed by mixing 60 to 75% of ethene and 1-propene polymer and 1-butene-ethylene copolymer, and 25 to 40% of talc and other additives.
  • the outer container may be characterized by including: an outer body part in the form of a container with an open top; an outer handle part formed on both upper sides of the outer body part; an outer injection part formed on the outer body part and provided to form a path for introducing water; and an outer reinforcement part formed at a constant interval along the perimeter of the inner bottom surface of the outer body part.
  • the outer handle portion may be characterized by including: an outer handle body that forms a body and is formed to extend along a perimeter of the outer body portion by a preset length; an outer handle joining hole formed in the center of the outer handle body and protruding downward; and an outer handle support hole formed in the outer handle body and formed on both sides of the outer handle joining hole.
  • the inner container may be provided in the form of a container with an open top and may include an inner body part provided to be inserted into the inner side of the outer body part; an inner handle part formed on both upper sides of the inner body part; a bottom steam inlet part provided on the bottom surface of the inner body part; and an inner injection part formed on the inner body part and provided to cover the upper part of the outer injection part.
  • the inner handle portion may be characterized by including: an inner handle body that forms a body and is formed to extend along a circumference of the inner handle main body portion by a preset length; an inner handle joining hole formed in the center of the inner handle body and protruding downward; and inner handle support holes formed in the inner handle body and formed on both sides of the inner handle joining hole.
  • the bottom steam inlet may be characterized by including: a circular bottom unit formed on the bottom surface of the inner body; raised units formed at regular intervals along the circumference of the bottom unit and protruding upward; and a steam inlet hole in the form of a hole formed on the inside of the raised unit and penetrating from the top to the bottom.
  • the floor unit may be formed so that its height increases toward the center, and the height of the center may be set to be the same as the height of the raised unit.
  • the inner container may further include an inner lining joint formed on the inner periphery of the inner lining main body, and the inner lining joint may include a protruding wall formed at a certain interval along the inner lining wall of the inner lining main body; and a joining hole formed in the protruding wall.
  • the lid container may be characterized by including a cover portion provided to cover the upper portion of the inner container; and a lid insertion portion coupled to the upper portion of the inner handle portion.
  • the effect of the present invention according to the above configuration is that the water required for the heating element to generate heat can be introduced by lifting only the inner handle portion, which is convenient.
  • the passage of the steam discharge hole is not blocked due to the shape of the separating wall and the steam discharge groove, so that steam generated in the outer container can smoothly flow into the inner container.
  • the heat preservation performance of food contained in the inner container can be improved.
  • the lid insertion part is located on the inner handle part, so the lid is opened by holding the lid insertion part and the inner handle part, so it is safe without the risk of burns.
  • the heat retention performance of food can be improved by allowing steam to be directly introduced from the bottom of the food through the bottom steam inlet.
  • the internal water vapor of the inner container can be discharged to the outside through the slit portion.
  • Figure 1 is a perspective view of an environmentally friendly heating food container for carbon reduction according to one embodiment of the present invention.
  • Figure 2 is an exploded perspective view of an eco-friendly heating food container for carbon reduction according to one embodiment of the present invention.
  • Figure 3 is a top view of an outer container according to one embodiment of the present invention.
  • FIG. 4 is a side view of an outer container according to one embodiment of the present invention.
  • Figure 5 is a top view of an inner container according to one embodiment of the present invention.
  • FIG. 6 is a side view of an inner container according to one embodiment of the present invention.
  • Figure 7 is a top view of a lid container according to one embodiment of the present invention.
  • Figure 8 is a side view of an eco-friendly heating food container for carbon reduction according to one embodiment of the present invention.
  • Figure 9 is a perspective view of a lid container according to another embodiment of the present invention.
  • the present invention comprises: an outer container having an open top, wherein a heating element that reacts with water and generates heat is positioned therein; an inner container having a shape corresponding to the outer container and inserted into the inside of the outer container and provided to contain food therein; and a lid container provided to cover the upper part of the inner container, wherein the outer container, the inner container, and the lid container are made of an eco-friendly bio-based plastic material containing plant-based raw materials, thereby enhancing carbon reduction performance during recycling and improving durability at a temperature of 120°C or higher.
  • ... section means a unit that processes at least one function or operation, which may be implemented by hardware, software, or a combination of hardware and software.
  • a step is located "before” or “after” another step, this includes not only the case where one step is in a direct time-series relationship with the other step, but also the same right in the case where the time-series order of the two steps may be changed, such as a mixing step after each step.
  • FIG. 1 is a perspective view of an environmentally friendly heating food container for carbon reduction according to an embodiment of the present invention
  • FIG. 2 is an exploded perspective view of an environmentally friendly heating food container for carbon reduction according to an embodiment of the present invention.
  • FIG. 3 is a top view of an outer container according to an embodiment of the present invention
  • FIG. 4 is a side view of an outer container according to an embodiment of the present invention.
  • FIG. 5 is a top view of an inner container according to an embodiment of the present invention
  • FIG. 6 is a side view of an inner container according to an embodiment of the present invention.
  • FIG. 7 is a top view of a lid container according to an embodiment of the present invention
  • FIG. 8 is a side view of an eco-friendly heating food container for carbon reduction according to an embodiment of the present invention.
  • an eco-friendly heating food container (1000) for carbon reduction may include an outer container (1100), an inner container (1200), and a lid container (1300).
  • the above outer container (1100) is provided so that a heating element that generates heat by reacting with water is positioned inside, and may be provided with an open top.
  • the heating element may be composed of a heating pack containing a heating material that reacts with water to generate heat.
  • the heating material may be, for example, one of quicklime, potassium hydroxide, calcium chloride, magnesium chloride, calcium carbonate, calcium hydroxide, sodium bicarbonate, and aluminum, or a mixture of at least two or more of these.
  • the above heating element may be provided with a cover made of a material having a density that emits water vapor during an exothermic reaction but does not emit a metal heating substance.
  • the heating element can be provided so that the heating performance can be maintained even when the lunch box is stored in a refrigerator.
  • the heating element can be configured so that the ratio of CaO and Al is adjusted so that the maximum temperature difference between the heating element refrigerated for 48 hours and the heating element at room temperature is within 5°C.
  • the above outer container (1000) may include an outer body part (1110), an outer handle part (1120), an outer insertion part (1130), and an outer reinforcement part (1140).
  • the above outer container (1100) may be provided to be thicker than the inner container (1200) and the lid container (1300) to increase insulation performance, thereby minimizing the extent to which heat generated from the heating element leaks to the outside.
  • the above outer container (1100) may be provided to have a thickness of 1.0 mm or more, and may be provided with an opaque material.
  • the above outer body part (1110) is provided in the form of a container with an open top and may include an outer bottom body (1111) and an outer wall body (1112).
  • the above outer skin bottom body (1111) may be provided to form the bottom surface of the outer skin main body part (1110).
  • the above outer skin bottom body (1111) may be formed in a circular shape as illustrated, but the shape of the above outer skin bottom body (1111) is not limited thereto.
  • the above outer skin bottom body (1111) may also be formed in a square shape.
  • outer floor body (1111) may be provided such that the peripheral portion extends in an upward diagonal direction and the peripheral portion has an inclined surface shape.
  • the above outer wall (1112) is formed along the perimeter of the outer floor (1111) and may be provided to extend upward so as to be perpendicular to the outer floor (1111) and form a wall surface of the outer main body (1110).
  • the above outer handle portion (1120) is formed on both sides of the upper portion of the outer body portion (1110) and may include an outer handle body (1121), an outer handle joining hole (1122), and an outer handle support hole (1123).
  • the above outer handle body (1121) forms a body and can be formed to extend on both sides of the upper portion of the outer body part (1110).
  • the outer handle body (1121) can be formed to extend along the circumference of the outer body part (1110) by a preset length. At this time, the outer handle body (1121) can be formed to extend longer than the length of the lid insertion part (1320) to be described later.
  • the above outer handle coupling hole (1122) is formed in the center of the outer handle body (1121) and may be formed to protrude downward. Specifically, as the outer handle coupling hole (1122) is formed to protrude downward, the upper portion may be provided in a recessed form toward the lower portion.
  • the above outer handle support hole (1123) is formed on both sides of the above outer handle joining hole (1122) and may be formed to protrude downward. Specifically, as the above outer handle support hole (1123) is formed to protrude downward, the upper part may be provided in a sunken form toward the lower part.
  • the eco-friendly heating food container (1000) for carbon reduction can be carried more safely without worrying about burns or slipping.
  • the above outer shell injection part (1130) is formed in the outer shell main body part (1110) and can be provided to form a path through which water is injected.
  • the above outer shell insertion part (1130) may include an outer shell insertion body (1131), an outer shell insertion hole (1132), an outer shell insertion protrusion (1133), an outer shell insertion handle (1134), and an outer shell insertion step (1135).
  • the above outer shell injection body (1131) is provided on one side of the upper portion of the outer shell main body (1110) and may be formed in the shape of a plate-shaped flange by extending further outward from one side of the outer shell wall (1112).
  • the above outer shell injection hole (1132) may be provided between the outer shell injection body (1131) and the outer shell main body part (1110) to form a passage through which water can flow into the interior.
  • the above outer skin insertion protrusion (1133) is formed on the outer skin insertion body (1131) and can be formed to protrude upward.
  • the above outer skin insertion protrusion (1133) can be formed to extend in the width direction of the outer skin insertion body (1131).
  • the above outer skin insertion handle (1134) is formed to extend further outward from the outer skin insertion body (1131) and can be formed to form a handle portion when the user opens and closes the inner skin insertion portion (1250).
  • the above-mentioned outer skin insertion step (1135) may be formed in an arc shape to extend to both sides of the outer skin insertion protrusion (1133) and surround the outer skin insertion hole (1132) together with the outer skin insertion protrusion (1133).
  • the outer skin insertion step (1135) may be formed to have a lower protrusion height than the outer skin insertion protrusion (1133) and to have a step.
  • the outer skin insertion protrusion (1133) and the outer skin insertion step (1135) formed in this manner can prevent water from flowing out in the lateral direction of the outer skin insertion hole (1132).
  • the outer shell reinforcement part (1140) may be formed at regular intervals along the perimeter of the inner bottom surface of the outer shell main body part (1110).
  • the outer shell reinforcement part (1140) may be formed on an inclined surface between the outer shell bottom body (1111) and the outer shell wall body (1112), and may be formed to protrude upward from the outer shell bottom body (1111).
  • the outer shell reinforcement part (1140) provided in this manner may prevent the shape of the food inside from being deformed by allowing the outer shell main body part (1110) to maintain its shape.
  • the above inner container (1200) is provided in a shape corresponding to the outer container (1100) and can be inserted into the inside of the outer container (1100) and food can be stored inside.
  • the inner container (1200) may be formed to be thinner than the outer container (1100) so that heat generated inside the outer container (1100) may be better transferred. However, if the inner container (1200) is designed to be thinner than 0.7 mm, problems may occur in vacuum forming, so the inner container (1200) may be formed to have a thickness of 0.7 mm or more, and may be formed of an opaque material.
  • the above inner skin container (1200) may include an inner skin main body part (1210), an inner skin handle part (1220), a bottom steam inlet part (1230), an inner skin joining part (1240), and an inner skin injection part (1250).
  • the above-mentioned inner body part (1210) may include an inner bottom body (1211) and an inner wall body (1212).
  • the inner bottom body (1211) may be provided to form the bottom surface of the inner main body part (1210).
  • the inner bottom body (1211) may be provided to be formed in a shape corresponding to the outer bottom body (1111).
  • the inner bottom body (1211) may be formed in a circular shape as illustrated, but the shape of the inner bottom body (1211) is not limited thereto.
  • the inner bottom body (1211) may also be formed in a square shape.
  • the inner bottom body (1211) when the inner bottom body (1211) is fully inserted into the outer main body (1110), it can be provided to be spaced apart from the outer bottom body (1111) by a certain distance so that a heating element can be positioned on the outer bottom body (1111).
  • the inner wall (1212) may be formed along the perimeter of the inner floor (1211) to form a wall surface of the inner main body (1210).
  • the inner wall (1212) may be formed to have a height such that when the inner floor (1211) is completely inserted into the outer main body (1110), the upper surface thereof may be positioned at the same height as the upper surface of the outer wall (1112).
  • the inner wall (1212) may be provided to be fitted into the upper portion of the outer wall (1211).
  • the above inner handle portion (1220) is formed on both sides of the upper portion of the inner body portion (1210) to correspond to the outer handle portion (1120), and may include an inner handle body (1221), an inner handle joining hole (1222), and an inner handle support hole (1223).
  • the inner handle body (1221) above forms a body and can be formed to extend on both sides of the upper portion of the inner handle body part (1210).
  • the inner handle body (1221) can be formed to extend along the circumference of the inner handle body part (1210) by a preset length.
  • the inner handle body (1221) can be formed to have a length corresponding to that of the outer handle body (1121).
  • the inner handle coupling hole (1222) is formed in the center of the inner handle body (1221) and may be formed to protrude downward. Specifically, since the inner handle coupling hole (1222) is formed to protrude downward, the upper portion may be provided in a recessed shape toward the lower portion. More specifically, the inner handle coupling hole (1222) may be provided in a position and shape corresponding to the outer handle coupling hole (1122). The lower portion of the inner handle coupling hole (1222) provided in this manner may be provided to be inserted into the upper inner portion of the outer handle coupling hole (1122) to form an insertion coupling.
  • the above inner handle support hole (1223) is formed on both sides of the inner handle joining hole (1222) and may be formed to protrude downward. Specifically, as the inner handle support hole (1223) is formed to protrude downward, the upper part may be provided in a sunken form toward the lower part.
  • the above-mentioned bottom steam inlet (1230) is provided on the bottom surface of the inner body (1210) and may include a bottom unit (1231), a raised unit (1232), and a steam inlet hole (1233).
  • the above-mentioned floor unit (1231) is formed in the central portion of the inner bottom body (1211), which is the bottom surface of the inner body part (1210), and can be formed in a circular shape.
  • the above-mentioned raised unit (1232) is formed on the outer side of the above-mentioned floor unit (1231), and may be formed at regular intervals along the circumference of the above-mentioned floor unit (1231). In addition, the above-mentioned raised unit (1232) may be formed to protrude upward.
  • the above steam inlet hole (1233) is formed on the inside of the raised unit (1232) and may be formed in the form of a hole that penetrates from the top to the bottom.
  • the steam inlet hole (1233) provided in this manner can allow steam and heat generated from a heating element accommodated in the outer container (1100) to be transferred to the inside of the inner container (1200).
  • the floor unit (1231) is formed so that its height increases toward the center, and the height of the center can be set to be the same as the height of the raised unit (1232). Accordingly, since the lower surface of the floor unit (1231) is set in a concave shape toward the top, the heat and steam generated in the outer container (1100) can be preserved for a longer time at a point corresponding to the floor unit (1231). Accordingly, the heat retention performance of food positioned on the floor unit (1231) can be further improved.
  • the above-mentioned inner joint portion (1240) is formed on the inner periphery of the above-mentioned inner body portion (1210) and may include a protruding wall body (1241) and a joint hole (1242).
  • the above protruding wall (1241) can be formed at a certain interval along the inner surface of the inner wall (1212), and can be provided in a form that protrudes and extends into the inner surface of the inner body (1210).
  • the above-mentioned joining hole (1242) is formed on the upper part of the above-mentioned protruding wall body (1241) and can be fitted with a joining body protruding downward at a corresponding position in the lid container (1300) located on the upper part.
  • the protruding wall (1241) may be formed to have a lower height than the inner wall (1212) so as to have a predetermined height.
  • the height of the protruding wall (1241) may be formed to be lower than the height of the inner wall (1212), but to be 80% or more of the height of the inner wall (1212).
  • the joining hole (1242) may be formed in the protruding wall (1241) in the form of a hole that penetrates from the upper side to the lower side.
  • the joining hole (1242) may not interfere with the food when the inner container (1200) contains food. That is, the joining hole (1242) does not block the passage through which steam and heat move by the food when the inner container (1200) contains food.
  • the above-mentioned joining hole (1242) can allow the heat and steam of the above-mentioned outer container (1100) to circulate within the above-mentioned inner container (1200), thereby increasing the heat retention effect.
  • the above inner skin insertion part (1250) is formed in the inner skin main body part (1210) and may be provided to cover the upper part of the outer skin insertion part (1130).
  • the above-mentioned endothelium injection part (1250) may include an endothelium injection body (1251), an endothelium injection joining groove (1252), an endothelium injection joining body (1253), an endothelium injection handle (1254), and an endothelium injection step (1255).
  • the above inner skin injection body (1251) is provided on one side of the inner skin main body (1250) and may be formed in the shape of a plate-shaped flange by extending further outward from one side of the inner skin wall (1212). At this time, the inner skin injection body (1251) may be provided in a shape corresponding to the outer skin injection body (1131).
  • the above inner skin insertion coupling groove (1252) is formed in the inner skin insertion body (1251) and may be provided at a position corresponding to the outer skin insertion hole (1132).
  • the inner skin insertion coupling groove (1252) may be formed to protrude downward and may be provided so as to be inserted into and fitted into the outer skin insertion hole (1132).
  • the above-mentioned inner skin insertion assembly (1253) is formed on the inner skin insertion body (1251), and may be formed to correspond to the outer skin insertion protrusion (1133).
  • the inner skin insertion assembly (1253) may be formed to protrude upward in the same manner as the outer skin insertion protrusion (1133) and may be provided to be fitted and connected with the outer skin insertion protrusion (1133).
  • the above-mentioned inner skin injection handle (1154) is formed to extend further outward from the inner skin injection body (1251) and can be formed to form a handle portion when the user opens and closes the inner skin injection portion (1250).
  • the above-mentioned inner skin insertion step (1255) may be formed in an arc shape to extend to both sides of the inner skin insertion assembly (1253) and surround the inner skin insertion joining groove (1252) together with the inner skin insertion assembly (1253).
  • the inner skin insertion step (1255) may be formed to have a lower protrusion height than the inner skin insertion assembly (1253) so as to have a step.
  • the inner skin insertion protrusion (1253) and the inner skin insertion step (1255) formed in this manner can prevent water from flowing out in the lateral direction of the inner skin insertion joining groove (1252).
  • the inner casing injection part (1250) provided in this manner can introduce water into the interior of the outer casing container (1100) without completely separating the inner casing container (1200) from the outer casing container (1100). Specifically, by lifting the inner casing injection part (1250) and separating only the inner casing injection joining groove (1252) and the outer casing injection hole (1132), water can be introduced toward the heating element accommodated in the outer casing container (1100) through the exposed outer casing injection hole (1132).
  • the above lid container (1300) may be provided to cover the upper part of the inner container (1200) and may be provided with a transparent material so that the food inside can be viewed.
  • the lid container (1300) since the lid container (1300) must be simultaneously connected to the outer container (1100) and the inner container (1200) to control the pressure and heat loss of the heating element, it may be provided to have a thickness of at least 0.6 mm.
  • the above lid container (1300) may include a cover portion (1310) and a lid insertion portion (1320).
  • the above cover part (1310) is provided to cover the upper part of the inner container (1200) and may include a cover bottom body (1311) and a cover assembly (1312).
  • the above-mentioned cover bottom body (1311) may be provided to form the bottom surface of the cover part (1310).
  • the cover bottom body (1311) may be provided to be formed in a shape corresponding to the inner bottom body (1211), but may be formed so that the height of the center side is higher than that of the outer side. That is, as illustrated in Fig. 8, the side surface of the cover bottom body (1311) may be provided so that the height increases toward the center by a certain length.
  • the above cover assembly (1312) may be formed along the perimeter of the cover bottom body (1311) and may be provided to fit and engage with the upper surface of the inner wall body (1212).
  • the above lid insertion part (1320) is coupled to the upper part of the inner skin insertion part (1250) and may include a lid insertion body (1321) and a lid anti-slip body (1322).
  • the above lid insertion body (1321) is provided on one side of the cover part (1310) and may be formed in the shape of a plate-shaped flange by extending further outward from one side of the cover assembly (1312). At this time, the lid insertion body (1321) may be formed to be positioned on the inner handle part (1220).
  • the above lid anti-slip body (1322) may be formed on the lid insertion body (1321).
  • the lid anti-slip body (1322) may be positioned at the upper portion of the inner lining insertion portion (1250) and may be provided to correspond to the shape of the inner lining handle coupling hole (1222) so that a fitting connection may be made.
  • the lid insertion part (1320) provided in this manner can be provided to be opened by holding the inner handle part (1220).
  • the lid insertion part (1320) was opened while being fitted and connected at a position corresponding to the inner handle part (1250) where water is introduced and heated, there was a risk of burns when opening the lid.
  • the risk of burns was even higher because the steam was discharged all at once through a narrow inlet.
  • the lid insertion part (1320) is provided on the inner handle part (1220) as in the present invention and is provided to be opened, there is a safe effect without the risk of burns.
  • the lid insertion part (1320) can be opened by holding the inner handle support holes (1223) located on both sides of the lid insertion part (1320), so that opening and closing is more convenient.
  • a protruding guide protruding upward may be provided between the inner handle coupling hole (1222) and the inner handle support hole (1223), and a guide groove may be formed in the lid insertion portion (1320) so that the protruding guide can be inserted at a position corresponding to the protruding guide.
  • the protruding guide and the guide groove may be provided so as to guide the lid insertion portion (1320) to be coupled onto the inner handle portion (1220).
  • the eco-friendly heat-generating food container (1000) for carbon reduction is made of an eco-friendly bio-based plastic material containing plant-based raw materials, so that the carbon reduction performance during recycling can be improved, and it can be prepared so that deformation does not occur even at high temperatures of 120°C or higher and 150°C or lower, and environmental hormones are not detected.
  • the eco-friendly heat-generating food container (1000) for carbon reduction can be prepared using an eco-friendly bio-based plastic material manufactured by mixing ethene and 1-propene polymer, 1-butene-ethylene copolymer, talc, and other additives.
  • the eco-friendly heating food container (1000) for carbon reduction can be prepared with a material formed by mixing 60 to 75% of ethene and 1-propene polymer and 1-butene-ethylene copolymer, and 25 to 40% of talc and other additives.
  • the above-mentioned other additives are a combination of inorganic and plant-based bio-materials, and may be a combination of one or more of corn skin, wheat skin, soybean skin, sugarcane extract residue, coffee grounds, tofu dregs, soymilk dregs, forestry waste including waste wood, reeds, kenaf, rice straw, rice husk, wheat straw, waste paper, tree bark, and seaweed by-products.
  • the eco-friendly heating food container (1000) for carbon reduction can be manufactured from a material excluding a hydrophilic material so that molecules are not separated from the heating agent that reacts with water.
  • the eco-friendly heating food container (1000) prepared in this way for carbon reduction can reduce carbon generated during combustion by about 25% or more and is 100% recyclable, making it eco-friendly.
  • the present invention contains less synthetic resin than general plastic, carbon emissions generated during manufacturing can also be reduced.
  • Figure 9 is a perspective view of a lid container according to another embodiment of the present invention.
  • the lid container (1300) may further include a slit portion (1330) and a discharge control portion (1340).
  • the above slit portion (1330) may be provided in the cover portion (1310) to discharge water vapor, and may include a slit groove (1331) and a slit hole (1332).
  • the slit groove (1331) may be formed as a circular groove along the circumference of a central portion of the cover bottom body (1311) having a constant height.
  • the above slit hole (1332) may be provided in the form of a hole extending along the bottom surface or side surface of the slit groove (1331) to discharge water vapor.
  • the slit hole (1332) may be formed at regular intervals along the length direction of the slit groove (1331).
  • the slit portion (1330) provided in this way may allow water vapor collected in the center to be discharged to the outside according to the shape of the cover bottom body (1311).
  • the above discharge control unit (1340) may be arranged to be coupled to the upper portion of the slit portion (1330).
  • the discharge control unit is coupled to the central portion of the cover portion (1310) where the slit portion (1330) is formed, and may be coupled by being fitted into the slit groove (1331).
  • the discharge control unit (1340) may include a discharge control body (1341) and a discharge control leg (1342).
  • the above discharge control body (1341) may be formed into a circle having the same diameter as the central portion of the cover bottom body (1311) surrounded by the slit groove (1331).
  • the above discharge control leg (1342) is formed along the circumference of the discharge control body (1341) and can be bent and extended downward from the side of the discharge control body (1341).
  • the above discharge control leg (1342) can be formed to correspond to the length and spacing of the slit hole (1332).
  • the discharge control unit (1340) provided in this manner can be provided so that the discharge control leg (1342) can control the degree of opening of the slit portion (1330) as the discharge control body (1341) rotates.
  • the discharge control leg (1342) may block all of the slit holes (1332) to prevent steam from being discharged, or the discharge control body (1341) may be rotated in one direction so that the discharge control leg (1342) that blocks the slit holes (1332) is positioned between the portions where the slit holes (1332) are formed, so that some or all of the slit holes (1332) are opened.
  • the lid container (1300) equipped with the slit portion (1330) and the discharge control portion (1340) can easily control the amount of steam discharged depending on the type and condition of food.
  • the lid container (1300) can be provided to control the temperature and humidity by controlling the amount of water vapor discharged.
  • the temperature of food can be stably preserved until it arrives at its destination. Accordingly, the taste quality of food can be prevented from deteriorating.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Cookers (AREA)

Abstract

La présente invention concerne un récipient alimentaire chauffé et, plus spécifiquement, un récipient alimentaire chauffé respectueux de l'environnement pour la réduction du carbone, qui est conçu pour maintenir la température d'un aliment à livrer et emballer dans un état chaud pendant une longue période, le récipient alimentaire chauffé pouvant non seulement réduire la quantité de carbone généré tout en permettant le recyclage, mais également assurer à la fois une flexibilité et une rigidité par utilisation d'un matériau respectueux de l'environnement au lieu d'un récipient d'emballage utilisé de manière classique constitué d'un matériau à base de pétrole, tel que le polypropylène (PP).
PCT/KR2023/007644 2023-06-01 2023-06-02 Récipient alimentaire chauffé respectueux de l'environnement pour réduction du carbone Pending WO2024248190A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2023-0070699 2023-06-01
KR1020230070699A KR20240172429A (ko) 2023-06-01 2023-06-01 탄소저감을 위한 친환경 발열 식품용기

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WO2024248190A1 true WO2024248190A1 (fr) 2024-12-05

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KR (1) KR20240172429A (fr)
WO (1) WO2024248190A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200335113Y1 (ko) * 2003-09-22 2003-12-06 주식회사 엔유씨전자 찜용기
CN209080637U (zh) * 2018-10-30 2019-07-09 福建有渔贸易有限公司 一种自加热包装盒
US20190300263A1 (en) * 2018-04-02 2019-10-03 Zume, Inc. Container for transport and storage of food products
KR102305465B1 (ko) * 2020-07-23 2021-09-30 시락푸드 주식회사 분진 제거 기능을 구비한 발열 식품 용기
KR20220060830A (ko) * 2020-11-05 2022-05-12 시락푸드 주식회사 금속 내측 용기를 구비한 발열 식품 용기
KR20230048746A (ko) * 2021-10-05 2023-04-12 주식회사 애니켐 탄소중립 친환경 발포시트 및 그로부터 얻어지는 물품

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200229200Y1 (ko) 2001-01-19 2001-07-03 (주)참맛 발열체 포장대가 구비된 일회용 식사 세트

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200335113Y1 (ko) * 2003-09-22 2003-12-06 주식회사 엔유씨전자 찜용기
US20190300263A1 (en) * 2018-04-02 2019-10-03 Zume, Inc. Container for transport and storage of food products
CN209080637U (zh) * 2018-10-30 2019-07-09 福建有渔贸易有限公司 一种自加热包装盒
KR102305465B1 (ko) * 2020-07-23 2021-09-30 시락푸드 주식회사 분진 제거 기능을 구비한 발열 식품 용기
KR20220060830A (ko) * 2020-11-05 2022-05-12 시락푸드 주식회사 금속 내측 용기를 구비한 발열 식품 용기
KR20230048746A (ko) * 2021-10-05 2023-04-12 주식회사 애니켐 탄소중립 친환경 발포시트 및 그로부터 얻어지는 물품

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