IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0817281
(2006-03-01)
|
등록번호 |
US-8133517
(2012-03-13)
|
우선권정보 |
JP-2005-056727 (2005-03-01) |
국제출원번호 |
PCT/JP2006/304414
(2006-03-01)
|
§371/§102 date |
20070828
(20070828)
|
국제공개번호 |
WO2006/093316
(2006-09-08)
|
발명자
/ 주소 |
- Ishino, Yuji
- Kadoya, Hironobu
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
5 |
초록
▼
A microwavable vacuum-packed frozen sushi product comprising: a flexible microwave-safe plastic packing bag which is vacuumed to a pressure of 50 to 600 mmHg and, in the pressure-reduced state, hermetically sealed; an open-topped plastic box placed in said packing bag; and a sushi product placed in
A microwavable vacuum-packed frozen sushi product comprising: a flexible microwave-safe plastic packing bag which is vacuumed to a pressure of 50 to 600 mmHg and, in the pressure-reduced state, hermetically sealed; an open-topped plastic box placed in said packing bag; and a sushi product placed in said box; said vacuum-packed frozen sushi product being such that a space is formed in said packing bag in the pressure-reduced state around said sushi product and the space has, in total, a volume 0.1 to 0.7 times that of said sushi product; an inner surface of said packing bag is in contact with an upper surface of said sushi product; and said packing bag, said box and said sushi product are frozen together in a unified form. Water vapor generated during thawing is allowed to flow through a space formed between the sushi material and the box and the packing bag to heat a rice section and a material or materials, thereby providing the sushi product with diminished unevenness in temperature distribution.
대표청구항
▼
1. A microwavable vacuum-packed frozen sushi product, configured for controlled thawing of a frozen sushi food material or frozen sushi food materials contained therein, the frozen sushi product containing a rice section, the frozen sushi product being configured to be thawed by means of a microwave
1. A microwavable vacuum-packed frozen sushi product, configured for controlled thawing of a frozen sushi food material or frozen sushi food materials contained therein, the frozen sushi product containing a rice section, the frozen sushi product being configured to be thawed by means of a microwave oven which elevates a temperature of an end portion on a surface of the rice section to 50° C. and higher, the frozen sushi product comprising: a microwavable flexible plastic packing bag which is vacuumed to a pressure of 140 to 350 mmHg and, in the pressure-reduced state, hermetically sealed;an open-topped plastic box, the top opening of which is formed so as to be broader than a bottom of the plastic box, placed in said plastic packing bag; anda frozen sushi food product which is formed by at least one shaped form of frozen boiled rice and the frozen sushi material or sushi food materials on a surface of each form of at least one shaped form of the frozen boiled rice, placed on the bottom of the box;the microwavable vacuum-packed frozen sushi product being configured such that microwave heating of the frozen sushi food product heats an end portion on a surface of the rice section to a temperature of at least 50° C., at which time the frozen sushi food product is removed from the microwave heating and wherein the heated rice provides heated water vapor which substantially evenly heats and thaws the sushi food material or sushi food materials to a temperature between 15° and 30° C., the microwavable vacuum-packed frozen sushi product being configured to provide the thawing of the sushi food material or sushi food materials with an inner surface of the plastic packing bag, the plastic box, and the sushi food product being frozen together in a unified form; andan empty space being allowed to remain in said hermetically sealed packing bag in the pressure-reduced state around said sushi food product with the empty space having a volume 0.2 to 0.5 times that of a volume of said sushi food product at the time of thawing, and the empty space in the hermetically sealed packing bag being configured to allow heating of the sushi product by steam emanating at least from the shaped rice section and flowing into the empty space between the sushi product and the box, after the elevation of the temperature of the rice section by means of the microwave oven and termination of the microwave heating thereby steaming the shaped rice section and the sushi food material or sushi food materials to a temperature between 15° and 30° C. 2. The microwavable vacuum-packed frozen sushi product according to claim 1, wherein the box is a box-, cylinder-like, tray- or dish-like container having a square shape, a round shape or an ellipse shape when viewed in a plan. 3. The microwavable vacuum-packed frozen sushi product according to claim 1, wherein a number of the sushi food product or sushi food products which are placed in said box is one or more. 4. The microwavable vacuum-packed frozen sushi product according to claim 1, wherein the microwave-safe plastic packing bag is made of a laminated film composed of a nylon film and a polypropylene film having a thickness larger than that of the nylon film. 5. The microwavable vacuum-packed frozen sushi product according to claim 4, wherein the box is a box-, cylinder-like, tray- or dish-like container having a square shape, a round shape or an ellipse shape when viewed in a plan. 6. A method for cooking and thawing separate parts of the microwavable vacuum-packed frozen sushi product of claim 1 by means of a microwave oven, said method comprising: applying heat to the vacuum-packed frozen sushi product by microwave heating of the hermetically sealed packing bag to thereby cook and bring a temperature of at least a part of exposed longitudinal ends of the shaped rice section to 50° C. or higher, followed by termination of the microwave heating; andallowing the resulting vacuum-packed sushi product to stand in a room or water or to stand in a room and then in water within a period of 30 minutes or shorter without unpacking, thereby steaming the shaped rice section and the sushi food material or sushi food materials by water vapor emanating in the hermetically sealed packing bag to thaw and bring temperatures of the sushi food material or sushi food materials and the rice section to 10° C. or higher up to room temperature. 7. A method for cooking and thawing separate parts of the microwavable vacuum-packed frozen sushi product of claim 2 by means of a microwave oven, said method comprising: applying heat to the vacuum-packed frozen sushi product by microwave heating of the hermetically sealed packing bag to thereby cook and bring a temperature of at least a part of exposed longitudinal ends of the shaped rice section to 50° C. or higher, followed by termination of the microwave heating; andallowing the resulting vacuum-packed sushi product to stand in a room or water or to stand in a room and then in water within a period of 30 minutes or shorter without unpacking, thereby steaming the shaped rice section and the sushi food material or sushi food materials by water vapor emanating in the hermetically sealed packing bag to thaw and bring temperatures of the sushi material or sushi materials and the rice section to 10° C. or higher up to room temperature. 8. A method for cooking and thawing separate parts of the microwavable vacuum-packed frozen sushi product of claim 3 by means of a microwave oven, said method comprising: applying heat to the vacuum-packed frozen sushi product by microwave heating of the hermetically sealed packing bag to thereby cook and bring a temperature of at least a part of exposed longitudinal ends of the shaped rice section to 50° C. or higher, followed by termination of the microwave heating; andallowing the resulting vacuum-packed sushi product to stand in a room or water or to stand in a room and then in water within a period of 30 minutes or shorter without unpacking, thereby steaming the shaped rice section and the sushi food material or sushi food materials by water vapor emanating in the hermetically sealed packing bag to thaw and bring temperatures of the sushi food material or sushi food materials and the rice section to 10° C. or higher up to room temperature. 9. A method for preparing a microwavable vacuum-packed frozen sushi product configured for controlled thawing of a frozen sushi food material or frozen sushi food materials contained therein, said method comprising: disposing a sushi material or sushi materials on a top of a shaped frozen boiled rice section or in the shaped frozen boiled rice section to prepare a sushi food product;placing the prepared sushi food product in a plastic box;placing said plastic box containing the sushi food product in a flexible microwave-safe plastic packing bag;vacuuming said packing bag to a pressure of 140 to 350 mmHg and hermetically sealing said packing bag to prepare a vacuum-packed sushi product with an empty space remaining in the vacuum-packed sushi product around the sushi food product with a volume 0.2 to 0.5 times that of the volume of the sushi food product; andcooling said vacuum-packed sushi product with a refrigerant cooled to a freezing temperature to freeze said hermetically sealed packing bag, said box and the sushi food product of said vacuum-packed sushi product together in a unified form.
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