CN110338667B - Inner pot and cooking utensil - Google Patents
Inner pot and cooking utensil Download PDFInfo
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- CN110338667B CN110338667B CN201810286084.8A CN201810286084A CN110338667B CN 110338667 B CN110338667 B CN 110338667B CN 201810286084 A CN201810286084 A CN 201810286084A CN 110338667 B CN110338667 B CN 110338667B
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- metal layer
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses an inner pot and a cooking utensil, wherein the inner pot comprises a pot body and an annular edge wrapping ring, the pot body is made of metal, an annular flanging is formed at the edge of an upper port of the pot body, the pot body comprises an outer side surface metal layer positioned on the outermost side and an inner side surface metal layer positioned on the innermost side, an annular mounting groove is formed on the inner side of the annular edge wrapping ring, the annular mounting groove is matched with the annular flanging, the outer side surface metal layer and/or the inner side surface metal layer are corrosion-prone metal layers capable of generating battery reaction with the annular edge wrapping ring, and the annular edge wrapping ring is at least provided with a first insulating layer at a position corresponding to the corrosion-prone metal layer and/or is provided with a second insulating layer at a position where the corrosion-prone metal layer is matched with the annular edge wrapping ring. The annular edge-wrapping ring is insulated and spaced from the metal layer easy to corrode, so that battery reaction cannot occur between the annular edge-wrapping ring and the metal layer easy to corrode, and galvanic corrosion between the annular edge-wrapping ring and the pot body is prevented.
Description
Technical Field
The invention relates to the technical field of cooking appliances, in particular to an inner pot and a cooking appliance.
Background
Interior pot is common cooking utensils among the daily life, holds interior pot for the user's end in order to make things convenient for, and the upper port edge of pot takes place to damage because of the collision in order to prevent, and for the pleasing to the eye in interior pot outward appearance, among the prior art, often set up annular flanging edge and set up annular bordure circle on annular flanging edge on the pot body of interior pot. In actual use, performance requirements (such as heat conductivity requirements, rigidity requirements and the like) of the inner pan body and the annular edge covering ring are different, and in the prior art, the inner pan body and the annular edge covering ring are usually made of different metal materials. In addition, as shown in fig. 1, in the prior art, the annular edge wrapping ring is generally installed in a manner of clamping and fixing the annular edge wrapping ring on two sides of the annular outward flange of the pot body, a gap usually exists between the annular edge wrapping ring and the annular outward flange, so that once electrolyte such as brine enters the gap in the cooking process, galvanic corrosion occurs between the annular edge wrapping ring and the annular outward flange of the pot body, and the annular edge wrapping ring and the annular outward flange of the pot body are corroded, thereby affecting the use of the inner pot. In addition, gas generated by reaction in the galvanic corrosion process can easily cause bubbles of the non-stick coating of the inner pot, so that the non-stick coating falls off.
Disclosure of Invention
The invention mainly aims to provide an inner pot and a cooking utensil, aiming at preventing galvanic corrosion between a flanging ring and a pot body flanging.
In order to achieve the above object, the present invention provides an inner pot, comprising:
the pot body is provided with an annular flanging at the edge of an upper port of the pot body and comprises an outer side surface metal layer and an inner side surface metal layer; and the number of the first and second groups,
the inner side of the annular edge covering ring is provided with an annular mounting groove which is matched with the annular flanging;
the outer side surface metal layer and/or the inner side surface metal layer are/is an easily-corroded metal layer capable of reacting with the annular edge covering ring in a battery reaction mode, the annular edge covering ring is at least provided with a first insulating layer at a position corresponding to the easily-corroded metal layer and/or an annular flanging is provided with a second insulating layer at a position where the easily-corroded metal layer is matched with the annular edge covering ring.
Preferably, the first insulating layer is arranged to cover the whole surface of the annular edge covering ring; and/or the presence of a gas in the gas,
the second insulating layer is arranged on the surface of the whole annular flanging in a coating mode.
Preferably, the material of the first insulating layer and/or the second insulating layer is at least one of acrylic resin, polyurethane resin and epoxy polyester resin; alternatively, the first and second electrodes may be,
the first insulating layer and/or the second insulating layer is made of at least one of alumina ceramic, titanium oxide ceramic, zirconium oxide ceramic and silicon carbide ceramic.
Preferably, the thickness of the first insulating layer is T1, and 10 μm ≦ T1 ≦ 20 μm; and/or the presence of a gas in the gas,
the thickness of the second insulating layer is T2, and T2 is more than or equal to 20 mu m and less than or equal to 100 mu m.
Preferably, the pot body is formed by connecting a plurality of metal layers, and the metal layer on the inner surface layer is the metal layer easy to corrode.
Preferably, the material of the inner surface metal layer is aluminum; and/or the presence of a gas in the gas,
the annular edge covering ring is made of stainless steel or titanium alloy; and/or the presence of a gas in the gas,
the outer surface metal layer is made of carbon steel or cast iron.
Preferably, the thickness of the outer surface metal layer is T3, and T3 is more than or equal to 0.8mm and less than or equal to 2.0 mm.
Preferably, the thickness of the inner surface metal layer is T4, and T4 is more than or equal to 0.05mm and less than or equal to 0.5 mm.
Preferably, the second insulating layer is arranged on the upper surface of the annular flanging, and the second insulating layer extends inwards to exceed the inner end of the upper edge of the annular flanging.
Preferably, the size of the inner end of the upper edge of the second insulating layer, which is inwards beyond the annular flanging, is L, and L is larger than or equal to 1 mm.
Preferably, a non-stick coating is arranged on the inner surface metal layer; and/or the presence of a gas in the gas,
and the outer surface metal layer is provided with an outer spraying layer.
The invention also proposes a cooking appliance comprising an inner pan, said inner pan comprising:
the pot body is provided with an annular flanging at the edge of an upper port of the pot body and comprises an outer side surface metal layer and an inner side surface metal layer; and the number of the first and second groups,
the inner side of the annular edge covering ring is provided with an annular mounting groove which is matched with the annular flanging;
the outer side surface metal layer and/or the inner side surface metal layer are/is an easily-corroded metal layer capable of reacting with the annular edge covering ring in a battery reaction mode, the annular edge covering ring is at least provided with a first insulating layer at a position corresponding to the easily-corroded metal layer and/or an annular flanging is provided with a second insulating layer at a position where the easily-corroded metal layer is matched with the annular edge covering ring.
In the technical scheme provided by the invention, the annular edge covering ring is at least provided with a first insulating layer at a position corresponding to the metal layer easy to corrode and/or the annular flanging is provided with a second insulating layer at a position where the metal layer easy to corrode and the annular edge covering ring are matched, so that the annular edge covering ring and the metal layer easy to corrode are insulated and spaced, the annular edge covering ring and the metal layer easy to corrode can not generate battery reaction, and galvanic corrosion between the annular edge covering ring and the pot body can be prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic sectional view of a partial structure of an inner pot in the prior art;
FIG. 2 is a schematic cross-sectional view of a first embodiment of the inner pan provided by the present invention;
FIG. 3 is an enlarged schematic view of detail A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a second embodiment of the inner pan provided by the present invention;
fig. 5 is an enlarged schematic view of a portion B in fig. 4.
Prior art reference numerals illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1’ | Pot body | 13’ | Outer metal layer |
| 11’ | Annular flanging | 2’ | Annular edge wrapping ring |
| 12’ | Inner metal layer | 3’ | Non-stick coating |
The invention is illustrated by the reference numerals:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
15 | Outer spray coating |
| 1 | |
2 | Annular |
| 11 | |
21 | |
| 12 | Outer surface metal layer | 3 | A first |
| 13 | Inner surface metal layer | 4 | A second |
| 14 | Non-stick coating |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic partial sectional view of an inner pot in the prior art, in which a general inner pot includes a metal pot body 1 ', the pot body 1' is composed of an inner metal layer 12 'and an outer metal layer 13', an annular outward flange 11 'is formed on an outer side of the pot body 1', an annular edge covering ring 2 'is used to cooperate with the annular outward flange 11', in fig. 1, a gap exists between the annular edge covering ring 2 'and the pot body 1', and during cooking food, salt water or steam enters the gap, and the annular edge covering ring 2 'and the pot body 1' undergo a battery reaction, so that galvanic corrosion occurs between the annular edge covering ring 2 'and the pot body 1', and foaming and falling of a non-stick coating 3 'in the pot body 1' are caused.
The invention provides a cooking appliance, which comprises an inner pot, and as long as the cooking appliance with the inner pot belongs to the cooking appliance, fig. 2 to 3 show a first embodiment of the inner pot provided by the invention, and fig. 3 to 4 show a second embodiment of the inner pot provided by the invention.
Referring to fig. 2 to 5, the inner pan 100 includes a pan body 1 and an annular edge covering ring 2, wherein the pan body 1 is made of a metal material, an annular outward flange 11 is formed at an upper port edge of the pan body 1, the pan body 1 includes an outer surface metal layer 12 located at an outermost side and an inner surface metal layer 13 located at an innermost side, wherein the inner surface metal layer 13 and/or the outer surface metal layer 12 are corrosion-prone metal layers, an annular mounting groove 21 is formed at an inner side of the annular edge covering ring 2, the annular mounting groove 21 is matched with the annular outward flange 11, the material of the annular edge covering ring 2 and the material of the corrosion-prone metal layer are different metal materials capable of generating a battery reaction, and the annular edge covering ring 2 is provided with a first insulating layer 3 at least at a position corresponding to the corrosion-prone metal layer and/or the annular outward flange 11 is provided with a second insulating layer at a position where the corrosion-prone metal layer is matched with the annular edge covering ring 2 In the present invention, the condition of the battery reaction between the annular flanging 11 and the metal layer susceptible to corrosion is mainly broken by separating the annular flanging 11 and the metal layer susceptible to corrosion, but in the present invention, the first insulating layer 3 may be provided on the annular surrounding ring 2 alone, the second insulating layer 4 may be provided on the metal layer susceptible to corrosion alone, or the first insulating layer 3 and the second insulating layer 4 may be provided at the same time, and the following embodiments will be described only with respect to the case where the insulating layers are provided on the annular surrounding ring 2 alone or the metal layer susceptible to corrosion alone.
In the technical scheme provided by the invention, the annular edge covering ring 2 is at least provided with a first insulating layer 3 at a position corresponding to the metal layer easy to corrode and/or the annular outward flanging 11 is provided with a second insulating layer 4 at a position where the metal layer easy to corrode and the annular edge covering ring 2 are matched, so that the annular edge covering ring 2 and the metal layer easy to corrode are insulated and spaced, the annular edge covering ring 2 and the metal layer easy to corrode can not generate battery reaction, and galvanic corrosion between the annular edge covering ring 2 and the pot body 1 can be prevented.
In order to protect the metal layer susceptible to corrosion to a greater extent, in the embodiment of the present invention, the first insulating layer 3 is disposed to cover the entire surface of the annular rim 2, and the second insulating layer 4 is disposed to cover the entire surface of the annular flange 11, so that even if an extreme condition such as overflow of soup in the inner pot 100 occurs during cooking, galvanic corrosion between the annular rim 2 and the pot body 1 can be well prevented.
In the embodiment provided by the present invention, the first insulating layer 3 and the second insulating layer 4 are laid on the metal surface, in the embodiment provided by the present invention, the material of the first insulating layer 3 is at least one of acrylic resin, polyurethane resin and epoxy polyester resin, of course, other insulating materials may be adopted, such as at least one of alumina ceramic, titania ceramic, zirconia ceramic and silicon carbide ceramic, the material of the second insulating layer 4 is at least one of acrylic resin, polyurethane resin and epoxy polyester resin, of course, other insulating materials may be adopted, such as at least one of alumina ceramic, titania ceramic, zirconia ceramic and silicon carbide ceramic, of course, the material may be a single material, or a mixture of several materials, as long as the material can play an insulating role, and the scope of the present invention should be covered, in this embodiment, a polymer insulating material, such as acrylic resin, polyurethane resin, and epoxy polyester resin, is formed by applying an insulating layer on a metal layer by electrophoresis and electrostatic spraying, and a ceramic material, such as alumina ceramic, titania ceramic, zirconia ceramic, and silicon carbide ceramic, is formed by applying an insulating layer on a metal layer by thermal spraying, and different processes are used for different materials, so that the thicknesses of the first insulating layer 3 and the second insulating layer 4 are uniform, specifically, in this embodiment, the thickness of the first insulating layer 3 is T1, T1 is not more than 10 μm and not more than 20 μm, the thickness of the second insulating layer 4 is T2, T2 is not more than 20 μm and not more than 100 μm, and different manufacturing processes are selected according to different materials, so that the insulating requirements are met in a reasonable coating thickness range, and the manufacturing cost is saved as much as possible, the above thickness range is a preferable value, and has a preferable effect.
In the first and second embodiments of the present invention, the pot body 1 includes only two metal layers, namely, the outer surface metal layer 12 and the inner surface metal layer 13. It is honest and clean that pot body 1 includes the metal level also can be more than two-layer, outside top metal layer 12 with the material of inboard top metal layer 13 can be the same, also can not be the same, and when outside top metal layer 12 is the same with the material of inboard top metal layer 13, pot body 1 can only include a metal level, and this metal level both is outside top metal layer 12 and is inboard top metal layer 13, of course, is the form that the layer set up between the different metal levels.
As the inner surface metal layer 13 is more easily contacted with electrolytes such as brine in the cooking process, in order to better protect the inner surface metal layer 13, as shown in fig. 3, in this embodiment, the inner surface metal layer 13 is the metal layer prone to corrosion, in this embodiment, the metal layer prone to corrosion is made of aluminum, and the annular edge covering ring 2 is made of stainless steel or titanium alloy. The aluminum material has good heat-conducting property, and the common non-stick coating 14 in the prior art is suitable for being sprayed on the aluminum material, so that the aluminum material is suitable for manufacturing the easily corroded metal layer of the pot body 1. The stainless steel and the titanium alloy have the characteristic of being not easy to corrode, the annular edge covering ring 2 made of the stainless steel or the titanium alloy can keep the annular edge covering ring 2 smooth for a long time, and further keep the pot body 1 attractive.
Specifically, in the embodiment provided by the present invention, the thickness of the inner surface metal layer 13 is greater than or equal to 0.05mm, because the inner surface metal layer 13 generally needs to be sanded during the processing, if the inner surface metal layer 13 is too thin, the inner surface metal layer 13 may be completely sanded off on a local part of the pot body 1, and a preferable range is that the thickness of the inner surface metal layer 13 is 0.05 to 0.5 mm. The outer surface metal layer 12 determines the structural shape and rigidity of the entire inner pan 100, and a preferable range is 0.8 to 2.0mm in thickness of the outer surface metal layer 12 in combination with a related manufacturing process.
Referring to fig. 2 to 3, in order to prevent the food from sticking to the pot during cooking, the inner surface metal layer 13 is coated with a non-stick coating 14, and in order to prevent the outer surface metal layer 12 from rusting or being worn, the outer surface metal layer 12 is coated with an outer spray coating layer 15, and preferably, the outer spray coating layer 15 comprises an anti-rust layer or an anti-wear layer.
In order to prevent the non-stick coating 14 from peeling off from the edge, the invention provides an embodiment in which the non-stick coating 14 extends to the upper side of the annular flange 11. Since the edge of the non-stick coating 14 is located within the annular mounting groove 21, the non-stick coating 14 is not easily peeled off from the edge. Similarly, in order to prevent the outer sprayed layer 15 from peeling off from the edge, the outer sprayed layer 15 is provided to extend to the outer side surface of the annular flange 11.
In order to ensure that the second insulating layer 4 completely protects the aluminum layer, please refer to fig. 4 to 5, the second insulating layer 4 is disposed on the upper surface of the annular flanging 11, and the second insulating layer 4 extends inward to be disposed beyond the inner end of the upper edge of the annular flanging 11, preferably, the size of the inner end of the upper edge of the second insulating layer 4, which inwardly exceeds the annular flanging 11, is L, and L is greater than or equal to 1mm, so that the insulating effect is better.
In the invention, by adopting the technical scheme, the first insulating layer 3 is arranged on the annular edge covering ring 2 to prevent galvanic corrosion between the annular edge covering ring 2 and the pot body 1, so that a good effect is obtained, and relevant test conditions, test methods and test results are as follows:
1. and (3) testing conditions are as follows: the test saline water is diluted saline water with the mass fraction of 5%, the number of the inner pots to be tested is 4, namely the inner pot without the first insulating layer 3 arranged on the annular edge covering ring 2, the inner pot laid on the outer side surface metal layer 12 by electrophoretic acrylic resin (with the thickness of 10-20 microns), the inner pot laid on the outer side surface metal layer 12 by electrophoretic polyurethane resin (with the thickness of 10-20 microns), and the inner pot 100 laid on the outer side surface metal layer 12 by spraying epoxy polyester powder (with the thickness of 10-20 microns);
2. the test method comprises the following steps: respectively selecting a position on the annular edge covering ring 2 and the non-stick coating 14 to be adhered with a test electrode, and sealing the positions by using epoxy resin glue to prevent saline water from entering the test electrodes; electrically connecting the two test electrodes to the positive electrode and the negative electrode of a test ammeter respectively; completely standing the inner pot 100 in a container filled with the test saline water for boiling; reading the magnitude of the current value of the test ammeter at equal intervals, and recording the magnitude;
3. and (3) testing results:
4. and (4) analyzing results:
from the test conditions, the annular edge covering ring 2 is arranged in an insulating mode, the reading of the test ammeter is small, namely the corresponding corrosion current is small, the corrosion degree is slow, and galvanic corrosion between the annular edge covering ring 2 and the pot body 1 is effectively prevented.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. An inner pan, comprising:
the pot body is characterized by comprising a pot body, wherein a transversely extending annular outward flange is formed at the edge of an upper port of the pot body, and the pot body comprises an outer side surface metal layer and an inner side surface metal layer; and the number of the first and second groups,
the inner side of the annular edge covering ring is provided with an annular mounting groove which is matched with the annular flanging;
the outer side surface metal layer and/or the inner side surface metal layer are/is an easily-corroded metal layer capable of performing battery reaction with the annular edge covering ring, the annular edge covering ring is at least provided with a first insulating layer at a position corresponding to the easily-corroded metal layer, and/or the annular flanging is provided with a second insulating layer at a position where the easily-corroded metal layer is matched with the annular edge covering ring;
the metal layer on the surface layer of the inner side is provided with a non-stick coating; and/or the presence of a gas in the gas,
and the outer surface metal layer is provided with an outer spraying layer.
2. The inner pan of claim 1, wherein the first insulating layer is disposed to cover the entire surface of the annular rim; and/or the presence of a gas in the gas,
the second insulating layer is arranged on the surface of the whole annular flanging in a coating mode.
3. The inner pan of claim 1, wherein the first insulating layer and/or the second insulating layer is made of at least one of acrylic resin, polyurethane resin and epoxy polyester resin; alternatively, the first and second electrodes may be,
the first insulating layer and/or the second insulating layer is made of at least one of alumina ceramic, titanium oxide ceramic, zirconium oxide ceramic and silicon carbide ceramic.
4. The inner pan of claim 1, wherein the first insulating layer has a thickness of T1 and 10 μ ι η ≦ T1 ≦ 20 μ ι η; and/or the presence of a gas in the gas,
the thickness of the second insulating layer is T2, and T2 is more than or equal to 20 mu m and less than or equal to 100 mu m.
5. The inner pan as claimed in claim 1, wherein the pan body is formed by joining a plurality of metal layers, and the inner surface metal layer is the metal layer susceptible to corrosion.
6. The inner pan of claim 5, wherein the inner surface metal layer is made of aluminum; and/or the presence of a gas in the gas,
the annular edge covering ring is made of stainless steel or titanium alloy; and/or the presence of a gas in the gas,
the outer surface metal layer is made of carbon steel or cast iron.
7. The inner pan of claim 6, wherein the outer surface metal layer has a thickness of T3 and 0.8mm T3 mm 2.0 mm.
8. The inner pan of claim 6, wherein the thickness of the inner surface metal layer is T4, and 0.05mm ≦ T4 ≦ 0.5 mm.
9. The inner pan defined in claim 5 wherein the second insulating layer is provided on the upper surface of the annular flange and extends inwardly beyond the inner end of the upper rim of the annular flange.
10. The inner pan of claim 9, wherein the dimension of the second insulating layer inwardly beyond the inner end of the upper rim of the annular flange is L, and L is greater than or equal to 1 mm.
11. A cooking appliance comprising an inner pan as claimed in any one of claims 1 to 10.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810286084.8A CN110338667B (en) | 2018-04-02 | 2018-04-02 | Inner pot and cooking utensil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810286084.8A CN110338667B (en) | 2018-04-02 | 2018-04-02 | Inner pot and cooking utensil |
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| CN110338667A CN110338667A (en) | 2019-10-18 |
| CN110338667B true CN110338667B (en) | 2022-04-19 |
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| CN1376036A (en) * | 1999-08-31 | 2002-10-23 | 药物研究有限公司 | Metal-containing compositions, preparations and uses |
| CN2897089Y (en) * | 2006-03-08 | 2007-05-09 | 胡志明 | Universal composite-board pressure cooker |
| CN201127506Y (en) * | 2007-12-15 | 2008-10-08 | 胡志明 | Composite board stove cooking pot |
| CN202184609U (en) * | 2011-09-14 | 2012-04-11 | 浙江爱仕达电器股份有限公司 | Structure of multilayered compound pot body |
| CN106691157A (en) * | 2015-11-18 | 2017-05-24 | 佛山市顺德区美的电热电器制造有限公司 | Magnetic conductive porcelain pot |
| CN205285950U (en) * | 2015-11-30 | 2016-06-08 | 九阳股份有限公司 | Cooking utensil and electric heat pot |
| CN107136895A (en) * | 2016-03-01 | 2017-09-08 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus |
| CN206102359U (en) * | 2016-07-04 | 2017-04-19 | 浙江玛莉莎工贸有限公司 | Corrosion -resistant type pot |
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