WO2005082742A1 - Recipient pour aliments chauffes dans un four a micro-ondes - Google Patents
Recipient pour aliments chauffes dans un four a micro-ondes Download PDFInfo
- Publication number
- WO2005082742A1 WO2005082742A1 PCT/CN2005/000164 CN2005000164W WO2005082742A1 WO 2005082742 A1 WO2005082742 A1 WO 2005082742A1 CN 2005000164 W CN2005000164 W CN 2005000164W WO 2005082742 A1 WO2005082742 A1 WO 2005082742A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal foil
- microwave oven
- thickness
- food container
- box
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/647—Aspects related to microwave heating combined with other heating techniques
- H05B6/6491—Aspects related to microwave heating combined with other heating techniques combined with the use of susceptors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus
Definitions
- the invention relates to a food container, in particular to a food container which can be heated by a microwave oven. Background technique
- the purpose of the present invention is to provide a metal foil food container that can be heated by a microwave oven, so as to solve the problem that the existing food container with a metal layer (such as metal foil) cannot be placed in a microwave oven for heating, thereby inconvenient for consumers problem.
- the box body is composed of metal foil and polypropylene films compounded on both sides thereof; the thickness of the metal foil is 0.08 to 0.25 mm, and the thickness of the polypropylene film is 0.03 ⁇ 0.08mm.
- the metal foil is an aluminum foil with a thickness of 0.08 to 0.20 mm.
- the metal foil is tinplate, and its thickness is 0.15 to 0.25 mm.
- test proves that when water or other food is injected into the box of the present invention, and it is heated in an ordinary household microwave oven for 1-20 minutes, the contents of the box are normally heated without any damage to the box body and no odor overflow.
- boxed foods are heated in a microwave oven for no more than 20 minutes at a time, so the present invention can heat foods in a microwave oven, which greatly facilitates consumers.
- FIG. 1 is a schematic view of a three-dimensional structure of the present invention
- Fig. 2 is a schematic cross-sectional view of a box body according to the present invention. detailed description
- the present invention includes a box body 1 composed of a box bottom and a box side.
- a rim 2 is provided on an edge of the box side, and a reinforcing convex and concave edge 3 is provided on the box side of the box body.
- the box body 1 is composed of three layers of metal foil 5 and polypropylene films 4 and 6 compounded on both sides thereof.
- the three-layer structure is made of food-grade high-temperature-resistant cooking composite materials through a metal foil container molding process.
- the metal foil 5 may be an aluminum foil having a thickness of 0.08 to 0.20 mm.
- the metal foil 5 may be a tinplate having a thickness of 0.15 to 0.25 mm.
- the thickness of the polypropylene films 4 and 6 is 0.03 to 0.08.
- the present invention has undergone a large number of tests.
- the first is an empty box test. None is placed in the box, and it is continuously heated in an ordinary household microwave oven for 1 to 20 minutes. The box body is only slightly warm after heating, and no odor is generated.
- Another test is to inject water or other food into the box of the present invention, open it or cover it with a non-metallic lid, and place it in a microwave oven for 1 to 20 minutes.
- the contents of the box are normally heated (as compared with Food for comparison), and the box showed no damage and no odor spilled.
- boxed foods are generally heated in a microwave oven for no more than 20 minutes at a time. Therefore, the present invention can heat foods in a microwave oven, which greatly facilitates consumers.
- this structure does not damage the box structure due to microwave eddy current Or cause the local high temperature of the box body to emit odor gas.
- the possible reasons can be analyzed according to the structural characteristics, that is, because the thickness of the metal foil is very thin, and its two sides are tightly compounded with the polypropylene film, a large number of free electrons in the metal foil are attracted by the surface charges of the polypropylene film on its surface. Reduce the number of free electrons and the distance of lateral movement, which greatly reduces the energy of the eddy current. And the microwave energy enters the box body from the opening of the container to achieve the purpose of heating food in the box body.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Package Specialized In Special Use (AREA)
- Cookers (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200420005412.6 | 2004-02-27 | ||
CN 200420005412 CN2683568Y (zh) | 2004-02-27 | 2004-02-27 | 可用微波炉加热的食品容器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082742A1 true WO2005082742A1 (fr) | 2005-09-09 |
Family
ID=34605792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2005/000164 WO2005082742A1 (fr) | 2004-02-27 | 2005-02-05 | Recipient pour aliments chauffes dans un four a micro-ondes |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN2683568Y (zh) |
WO (1) | WO2005082742A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8528794B2 (en) | 2007-10-12 | 2013-09-10 | Henkel Ag & Co. Kgaa | Pressurized pack for viscous materials |
CN112654564A (zh) * | 2018-11-02 | 2021-04-13 | 必达包装国际有限公司 | 金属箔容器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63137827A (ja) * | 1986-11-29 | 1988-06-09 | Dainippon Printing Co Ltd | デイフアレンシヤル ヒ−テイング コンテナ−の製造方法 |
US4825025A (en) * | 1979-03-16 | 1989-04-25 | James River Corporation | Food receptacle for microwave cooking |
JPH0472170A (ja) * | 1990-07-04 | 1992-03-06 | Showa Denko Kk | マイクロ波加熱可能な複合容器 |
US5310980A (en) * | 1988-11-28 | 1994-05-10 | Beckett Industries, Inc. | Control of microwave energy in cooking foodstuffs |
JPH08217161A (ja) * | 1995-02-14 | 1996-08-27 | Tatsuki Fujinohara | 食品用包装材 |
WO2002016225A1 (fr) * | 2000-08-22 | 2002-02-28 | Mugibayashi, Yasuko | Recipient a regulation de temperature et conservation du froid pour four a micro-ondes |
-
2004
- 2004-02-27 CN CN 200420005412 patent/CN2683568Y/zh not_active Expired - Fee Related
-
2005
- 2005-02-05 WO PCT/CN2005/000164 patent/WO2005082742A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4825025A (en) * | 1979-03-16 | 1989-04-25 | James River Corporation | Food receptacle for microwave cooking |
JPS63137827A (ja) * | 1986-11-29 | 1988-06-09 | Dainippon Printing Co Ltd | デイフアレンシヤル ヒ−テイング コンテナ−の製造方法 |
US5310980A (en) * | 1988-11-28 | 1994-05-10 | Beckett Industries, Inc. | Control of microwave energy in cooking foodstuffs |
JPH0472170A (ja) * | 1990-07-04 | 1992-03-06 | Showa Denko Kk | マイクロ波加熱可能な複合容器 |
JPH08217161A (ja) * | 1995-02-14 | 1996-08-27 | Tatsuki Fujinohara | 食品用包装材 |
WO2002016225A1 (fr) * | 2000-08-22 | 2002-02-28 | Mugibayashi, Yasuko | Recipient a regulation de temperature et conservation du froid pour four a micro-ondes |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8528794B2 (en) | 2007-10-12 | 2013-09-10 | Henkel Ag & Co. Kgaa | Pressurized pack for viscous materials |
CN112654564A (zh) * | 2018-11-02 | 2021-04-13 | 必达包装国际有限公司 | 金属箔容器 |
CN112654564B (zh) * | 2018-11-02 | 2023-02-28 | 必达包装国际有限公司 | 金属箔容器 |
Also Published As
Publication number | Publication date |
---|---|
CN2683568Y (zh) | 2005-03-09 |
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