CN108433514A - A kind of metal/ceramic composite pot tool and preparation method thereof and cooking pot tool - Google Patents
A kind of metal/ceramic composite pot tool and preparation method thereof and cooking pot tool Download PDFInfo
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- CN108433514A CN108433514A CN201710083411.5A CN201710083411A CN108433514A CN 108433514 A CN108433514 A CN 108433514A CN 201710083411 A CN201710083411 A CN 201710083411A CN 108433514 A CN108433514 A CN 108433514A
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- pot
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- ceramic
- pot body
- pot tool
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Classifications
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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
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
-
- 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
- A47J36/025—Vessels with non-stick features, e.g. coatings
-
- 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
Abstract
The present invention relates to electric heating appliance technical fields; disclose a kind of metal/ceramic composite pot tool and preparation method thereof and cooking pot tool; wherein; metal/ceramic composite pot tool includes pot body and is formed in the protective coating of inner surface of pot body, and the material of pot body is the mixing material containing metal material and ceramic material.The metal/ceramic composite pot tool of the present invention, the advantages of having both pot and ceramic inner vessel in metal, it is provided simultaneously with good heat conduction feature and heat preservation feature, and there is higher mechanical strength and larger case hardness, it is unlikely to deform, and have many advantages, such as adhesive force height, scratch-resistant, corrosion-resistant, not viscous due to being coated with wear-resistant unsticky coating again, using more convenient, effect is more preferable.
Description
Technical field
The present invention relates to electric heating appliance technical fields, and in particular, to a kind of metal/ceramic composite pot tool and its preparation side
Method and cooking pot tool.
Background technology
Currently, the interior pot or liner of the electric-heating cooking appliances such as electric cooker, electric pressure cooking saucepan be usually all with aluminium sheet, iron plate or
Compound plate stretching forms, and yielding in pot body molding and transportational process, heat insulation effect is poor, and inner surface of pot body often coats modeling
Material or resin non-sticking lining, not as good as ceramic coating in foodsafety.On the contrary, what can be solved these problems is that another is normal
Interior pot：Ceramic inner vessel, but ceramic inner vessel is frangible, and since ceramics do not have magnetic conductivity, be not suitable for IH coil panels and add
The situation of heat, is confined to the direct-fired cooking apparatus of the common hot plate of low side more, simultaneously because ceramic heat conductivility itself is poor,
This makes the efficiency of heating surface of product low, and energy consumption is big.
Invention content
The purpose of the invention is to overcome drawbacks described above in the prior art, a kind of metal/ceramic composite pot tool is provided
And preparation method thereof and cooking pot tool.
To achieve the goals above, in a first aspect, the present invention provides a kind of metal/ceramic composite pot tool, the cookware
Including pot body and it is formed in the protective coating of inner surface of pot body, wherein the material of the pot body is to contain metal material and pottery
The mixing material of ceramic material.
Second aspect, the present invention provides a kind of preparation method of metal/ceramic composite pot tool, this method includes：
(1) by metal material, ceramic material, optional binder and optional dispersant mixing, mixing material is obtained；
(2) pot body is made in the mixing material for utilizing step (1) to obtain；
(3) inner surface of pot body obtained in step (2) forms protective coating.
The third aspect, the present invention provides a kind of cooking pot tool, the cooking pot tool includes interior pot, and the interior pot is this hair
The bright metal/ceramic composite pot tool.
The present invention is utilized prepares pot body containing the mixing material of metal material and ceramic material, and in the inner surface shape of pot body
At protective coating, the equalization point between pot and ceramic inner vessel in metal is successfully searched out, one kind is obtained and having both pot and pottery in metal
The metal/ceramic composite pot tool of pot advantage in porcelain.Specifically, which has the heat conduction feature of pot in metal, can be used for
The electric heating cooking cooker of IH coil panels heating, it may have the heat preservation feature of ceramic inner vessel can be used for the electricity of common hot plate heating
Heat cooking cooker may be implemented good heat insulation effect, and have higher mechanical strength and larger case hardness, not variable
Shape, and have many advantages, such as adhesive force height, scratch-resistant, corrosion-resistant, not viscous due to being coated with the protective coatings such as wear-resistant unsticky coating again,
Using more convenient, effect is more preferable.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Fig. 1 is the structural schematic diagram of the metal/ceramic composite pot tool of the present invention.
Fig. 2 is the enlarged structure schematic diagram of the metal/ceramic composite pot tool of the present invention.
Reference sign
1 is pot body, 2 between metallic material particles and metallic material particles, ceramic particle and ceramic particle
Between sintering neck, 3 be metallic material particles or ceramic particle, 4 be protective coating.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
In a first aspect, as shown in Figure 1, the present invention provides a kind of metal/ceramic composite pot tool, the cookware includes pot body
1 and it is formed in the protective coating 4 of inner surface of pot body, wherein the material of the pot body 1 is to contain metal material and ceramic material
Mixing material.
In the metal/ceramic composite pot tool of the present invention, pot body is by the mixing material system containing metal material and ceramic material
At under preferable case, the thickness of pot body is 1.5-4mm, and the thickness of protective coating is 15-40 μm.
In the metal/ceramic composite pot tool of the present invention, for metal material, there is no particular limitation, can be this field
Conventional selection, under preferable case, metal material is iron, aluminium, stainless steel or metallic composite.
In the metal/ceramic composite pot tool of the present invention, for ceramic material, there is no particular limitation, can be this field
Conventional selection, under preferable case, ceramic material is clay.
In the metal/ceramic composite pot tool of the present invention, the advantages of in order to preferably have both pot and ceramic inner vessel in metal, more
Good each performance characteristic of balance, under preferable case, the weight ratio of metal material and ceramic material is 1：0.1-10, further preferably
It is 1：0.2-5 is still more preferably 1：0.3-3.
In the metal/ceramic composite pot tool of the present invention, metal material forms pot body with the uniform mixed distribution of ceramic material, by
There is a large amount of ceramic composition in inner surface of pot body, it is good with ceramic material caking property some can be coated in inner surface of pot body
Food-grade wear-resistant unsticky coating, such as ceramic coating, plastic coating or resinous coat, preferably ceramic coating.
Second aspect, the present invention provides a kind of preparation method of metal/ceramic composite pot tool, this method includes：
(1) by metal material, ceramic material, optional binder and optional dispersant mixing, mixing material is obtained；
(2) pot body is made in the mixing material for utilizing step (1) to obtain；
(3) inner surface of pot body obtained in step (2) forms protective coating.
In the method for the present invention, the advantages of in order to preferably have both pot and ceramic inner vessel in metal, each property is preferably balanced
Can feature, under preferable case, in step (1), the weight ratio of metal material and ceramic material is 1：0.1-10, further preferably
1：0.2-5 is still more preferably 1：0.3-3.
In the method for the present invention, for binder, there is no particular limitation, can be the conventional selection of this field, preferably feelings
Under condition, binder be polyvinyl alcohol (PVA), polyvinyl butyral (PVB) and polymethyl methacrylate (PMMA) in extremely
Few one kind, on the basis of the total weight of metal material and ceramic material, the dosage of binder is 0-10 weight %, further preferably
For 3-10 weight %.
In the method for the present invention, for dispersant, there is no particular limitation, can be the conventional selection of this field, preferably feelings
Under condition, dispersant is at least one of sodium metasilicate, sodium carbonate, sodium citrate, polyacrylamide and polyvinyl alcohol, with metal material
On the basis of the total weight of material and ceramic material, the dosage of dispersant is 0-1 weight %, preferably 0.1-1 weight %.
Wherein, the selection of metal material, ceramic material may refer to aforementioned corresponding contents, and details are not described herein.Binder
Specific type and dosage with dispersant can be according to the specific choices and follow-up specific system of metal material and ceramic material
The technique of standby pot body determines that this is well known to those skilled in the art, and details are not described herein.
In the method for the present invention, each material can pass through ball mill, blender, mixing machine or centrifuge etc. be mixed,
Grinding is mixed and is sintered for convenience, and under preferable case, in step (1), mixing material is spheric granules, grain size 10nm-
100μm。
In the method for the present invention, in step (2), for method that pot body is made, there is no particular limitation, can be ability
The common various methods that pot body is made in dusty material or granular materials in domain, for example, powder metallurgic method, specifically, Ke Yiwei
HIP sintering method, powder injection-molded method, loose sintering method, compression molding method or plasma agglomeration method.It is quiet for heat etc.
Press the concrete operation step and condition of sintering, powder injection-molded, loose sintering, compression molding and plasma agglomeration not special
Restriction, can be respectively the conventional selection of this field, this is well known to the skilled person.Preferably, compression molding
The condition of method includes：Sintering temperature is 700-1400 DEG C, sintering time 1-4h, pressure 0-500MPa.People in the art
Member can select corresponding condition according to the specific type of metal material and ceramic material, this is also those skilled in the art institute
Known, details are not described herein.
In the present invention, as shown in Fig. 2, during powder sintered pot body 1 processed, metallic material particles and metal material
Sintering neck (i.e. metallic material particles and metal material can be formed between grain, between ceramic particle and ceramic particle
Sintering neck 2 between particle, between ceramic particle and ceramic particle), according to metal material and ceramic material (i.e. metal
Material granule or ceramic particle 3) type can also be sent out between metal material and ceramic material under the conditions of certain temperature
Raw diffusion is compound, forms the back bone network of a kind of back bone network of metal-metal, ceramic to ceramic, is considered as ceramic material
Particle shape at skeleton between be filled with metal material skeleton, can also regard as metallic material particles formation skeleton between be filled with ceramics
Material skeleton, to form the compound pot body of metal/ceramic with some strength.
The present invention method in, in step (3), for formed protective coating method there is no particular limitation, Ke Yiwei
The method of various formation coatings commonly used in the art, for example, spray coating method, specific spraying operation and condition are art technology
Known to personnel, details are not described herein.
Preferably, protective coating be wear-resistant unsticky coating with improve inner surface of pot body scratch resistance, it is wear-resisting, corrosion-resistant, do not glue
Property etc. performances so that interior pot is using more convenient, effect is more preferable.For the coating, there is no particular limitation, can be this field
Conventional selection, and being commercially available, wherein wear-resistant unsticky coating is preferably ceramic coating, or plastic coating and
Resinous coat.
The third aspect, the present invention provides a kind of cooking pot tool, the cooking pot tool includes interior pot, and the interior pot is this hair
Bright metal/ceramic composite pot tool.
Under preferable case, cooking pot tool is electric cooker, electric pressure cooking saucepan or electric cooking pot.
Embodiment
The present invention will be described in detail by way of examples below, but is not intended to limit the present invention.
In following embodiment and comparative example, unless otherwise instructed, each material can be commercially available, and each method is this
The common method in field.
Ceramic non-stick coating is purchased from Xin Xier trade Co., Ltds of Zhongshan city, trade mark SSG-9338M0-1717.
Resin non-viscous paint is the organic-silicon-modified resin of material Science and Technology Ltd. of speeding purchased from Beijing Hua Tongrui, and the trade mark is
SCH-101。
Embodiment 1
(1) by 1kg iron powders, 2kg clay powders, 0.15kg polyvinyl alcohol and 0.015kg sodium metasilicate mixing, grinding, grain is obtained
The spherical mixing material that diameter is 1-10 μm；
(2) pot body that thickness is 3mm is made by compression molding in the mixing material that step (1) obtains, wherein be molded into
The condition of type includes：Sintering temperature is 1400 DEG C, sintering time 3h, pressure 300MPa；
(3) the ceramic coated non-viscous paint of inner surface of pot body obtained in step (2) forms the ceramic wear-resisting that thickness is 30 μm
Non-sticking lining obtains iron/Ceramic Composite cookware.
Embodiment 2
(1) by 1kg aluminium powders, 3kg clay powders, 0.32kg polymethyl methacrylates and 0.032kg polyacrylamides mixing,
Grinding obtains the spherical mixing material that grain size is 1-20 μm；
(2) pot body that thickness is 2.5mm is made by compression molding in the mixing material that step (1) obtains, wherein molding
Molding condition includes：Sintering temperature is 800 DEG C, sintering time 2.5h, pressure 400MPa；
(3) the ceramic coated non-viscous paint of inner surface of pot body obtained in step (2) forms the wear-resistant unsticky that thickness is 20 μm
Coating obtains aluminium/Ceramic Composite cookware.
Embodiment 3
(1) by 3kg stainless steel powders, 1kg clay powders, 0.24kg polyvinyl butyrals and 0.024kg sodium citrates mixing,
Grinding obtains the spherical mixing material that grain size is 900nm-10 μm；
(2) pot body that thickness is 2mm is made by compression molding in the mixing material that step (1) obtains, wherein be molded into
The condition of type includes：Sintering temperature is 1400 DEG C, sintering time 1.5h, pressure 500MPa；
(3) the ceramic coated non-viscous paint of inner surface of pot body obtained in step (2) forms the wear-resistant unsticky that thickness is 25 μm
Coating obtains stainless steel/Ceramic Composite cookware.
Embodiment 4
According to the method for embodiment 1, the difference is that, the raw material in step (1) is 10kg iron powders, 1kg clay powders, 0.55kg
Polyvinyl alcohol and 0.055kg sodium metasilicate.
Embodiment 5
According to the method for embodiment 1, the difference is that, the raw material in step (1) is 1kg iron powders, 10kg clay powders, 0.55kg
Polyvinyl alcohol and 0.055kg sodium metasilicate.
Embodiment 6
According to the method for embodiment 1, the difference is that, the raw material in step (1) is 5kg iron powders, 1kg clay powders, 0.3kg are poly-
Vinyl alcohol and 0.03kg sodium metasilicate.
Embodiment 7
According to the method for embodiment 1, the difference is that, the raw material in step (1) is 1kg iron powders, 5kg clay powders, 0.3kg are poly-
Vinyl alcohol and 0.03kg sodium metasilicate.
Embodiment 8
According to the method for embodiment 1, the difference is that, in step (3) ceramic non-stick coating is replaced with resin non-viscous paint.
Comparative example 1
According to the method for embodiment 1, unlike, the raw material in step (1) be 1kg iron powders, 0.15kg polyvinyl alcohol and
0.015kg sodium metasilicate.
Comparative example 2
According to the method for embodiment 1, the difference is that, the raw material in step (1) is 1kg clay powders, 0.15kg polyvinyl alcohol
With 0.015kg sodium metasilicate.
Test example
(1) adhesive force：According to GB/T 9286-1998, the pot obtained respectively in embodiment 1-8, comparative example 1-2 with blade
Have and draws 1mm on bottom surface2Small 100 lattice of lattice of square, cling protection painting with " 3M610 test tapes " in same 45 ° of diagonal positions
Layer, then with the quick pull-up adhesive plaster in 90 ° of angles, is repeated 3 times, according to the grade scale of table 1 in GB/T 9286-1998, record etc.
Grade, the results are shown in Table 1.
(2) Vickers hardness：The Vickers hardness for measuring embodiment 1-8, the cookware that comparative example 1-2 is obtained, the results are shown in Table 1.
(3) scratch resistance scratch hardness：According to GB/T 6739-1996, hardness-testing device is put down gently respectively in embodiment 1-8, comparison
The pan bottom that example 1-2 is obtained, holds pulley both sides, is to 10mm, observation pan bottom is pushed forward with the speed of 10cm/s
No to be scraped off, according to the sequence of pencil hardness, by soft to gradually testing firmly, record pencil will not scratch the highest of pan bottom completely
Hardness the results are shown in Table 1 as scratch resistance scratch hardness.
(4) magnetic conductivity：Embodiment 1-8, comparison are measured using vibrating specimen magnetometer (7404 type VSM of Lake Shore)
The magnetism for the cookware that example 1-2 is obtained, the results are shown in Table 1.
(5) thermal conductivity：(it is purchased from Xiang Tan Xiang Yi Instrument Ltd., model DRL-II/ using thermal conductivity measuring apparatus
III/III-C the thermal conductivity for) measuring embodiment 1-8, the cookware that comparative example 1-2 is obtained, the results are shown in Table 1.
Table 1
| Adhesive force | Vickers hardness | Scratch resistance scratch hardness | Magnetic conductivity | Thermal conductivity | |
| Embodiment 1 | 0 grade | △△△ | 8H | ○○○ | □□ |
| Embodiment 2 | 0 grade | △△△ | 8H | ○○○ | □□ |
| Embodiment 3 | 0 grade | △△△ | 8H | ○○○ | □□ |
| Embodiment 4 | 1 grade | △ | 8H | ○○○○○ | □□□□ |
| Embodiment 5 | 0 grade | △△△△ | 8H | ○● | □ |
| Embodiment 6 | 0 grade | △△ | 8H | ○○○○ | □□□ |
| Embodiment 7 | 0 grade | △△△ | 8H | ○○ | □□ |
| Embodiment 8 | 1 grade | △△△ | H | ○○○ | □□ |
| Comparative example 1 | 3 grades | ▲ | 8H | ○○○○○○ | □□□□□□ |
| Comparative example 2 | 0 grade | △△△△△▲ | 8H | -- | □ |
Note：The bright hardness of △ more multilists is bigger (▲ indicate 0.5 △), zero more the bright magnetic permeability of multilist it is bigger (-- indicate without, ●
Indicate 0.5 zero), is more, and thermal coefficient is bigger.
As it can be seen from table 1 the metal/ceramic composite pot tool of the present invention, the advantages of having both pot and ceramic inner vessel in metal,
It is provided simultaneously with good heat conduction feature and heat preservation feature, and there is higher mechanical strength and larger case hardness, it is not variable
Shape, and have many advantages, such as adhesive force height, scratch-resistant, corrosion-resistant, not viscous due to being coated with wear-resistant unsticky coating again, use is more square
Just, effect is more preferable.When the weight ratio of metal material and ceramic material is 1：When 0.3-3, aforementioned each performance characteristic can obtain more
Good balance.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (13)
1. a kind of metal/ceramic composite pot tool, which is characterized in that the cookware includes pot body and is formed in inner surface of pot body
Protective coating, wherein the material of the pot body is the mixing material containing metal material and ceramic material.
2. cookware according to claim 1, wherein the thickness of the pot body is 1.5-4mm, the thickness of the protective coating
It is 15-40 μm.
3. cookware according to claim 1 or 2, wherein the metal material is iron, aluminium, stainless steel or Metals composite
Material.
4. cookware according to claim 1 or 2, wherein the ceramic material is clay.
5. cookware according to claim 1 or 2, wherein the weight ratio of the metal material and the ceramic material is 1：
0.1-10, preferably 1：0.2-5, further preferably 1：0.3-3.
6. cookware according to claim 1 or 2, wherein the protective coating is wear-resistant unsticky coating, and preferably ceramics apply
Layer, resinous coat or plastic coating.
7. the preparation method of the metal/ceramic composite pot tool described in any one of claim 1-6, which is characterized in that the party
Method includes：
(1) by metal material, ceramic material, optional binder and optional dispersant mixing, mixing material is obtained；
(2) pot body is made in the mixing material for utilizing step (1) to obtain；
(3) inner surface of pot body obtained in step (2) forms protective coating.
8. according to the method described in claim 7, wherein, in step (1), the weight ratio of metal material and ceramic material is 1：
0.1-10, preferably 1：0.2-5, further preferably 1：0.3-3.
9. according to the method described in claim 7, wherein, in step (1), the binder is polyvinyl alcohol, polyvinyl alcohol contracting
At least one of butyraldehyde and polymethyl methacrylate, it is described viscous on the basis of the total weight of metal material and ceramic material
The dosage for tying agent is 0-10 weight %, preferably 3-10 weight %；
The dispersant is at least one of sodium metasilicate, sodium carbonate, sodium citrate, polyacrylamide and polyvinyl alcohol, with gold
On the basis of the total weight for belonging to material and ceramic material, the dosage of the dispersant is 0-1 weight %, preferably 0.1-1 weight %.
10. according to the method described in claim 7, wherein, in step (1), the mixing material is spheric granules, and grain size is
10nm-100μm。
11. according to the method described in claim 7, wherein, in step (2), the method that pot body is made is powder metallurgic method, preferably
For HIP sintering method, powder injection-molded method, loose sintering method, compression molding method or plasma agglomeration method；
It is further preferred that the condition of the compression molding method includes：Sintering temperature is 700-1400 DEG C, sintering time 1-
4h, pressure 0-500MPa.
12. a kind of cooking pot tool, which is characterized in that the cooking pot tool includes interior pot, and the interior pot is to appoint in claim 1-6
Cookware described in meaning one.
13. cooking pot tool according to claim 12, wherein the cooking pot tool is that electric cooker, electric pressure cooking saucepan or electricity are stewed
Pot.
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| CN111018489A (en) * | 2019-12-16 | 2020-04-17 | 王安华 | Bone china material for non-stick cookers, application of bone china material, non-stick cookers and manufacturing method of non-stick cookers |
| CN112137426A (en) * | 2019-06-28 | 2020-12-29 | 武汉苏泊尔炊具有限公司 | Coating and cooking utensil |
| IT201900020901A1 (en) * | 2019-11-12 | 2021-05-12 | Firemat S R L | A TOOL FOR COOKING FOOD IN REFRACTORY CERAMIC MATERIAL |
| CN113208409A (en) * | 2021-06-07 | 2021-08-06 | 淄博汇宝电器有限公司 | Ceramic heating pot special for induction cooker and preparation method thereof |
| CN113999555A (en) * | 2021-12-17 | 2022-02-01 | 武汉苏泊尔炊具有限公司 | Composite material, preparation method thereof and non-stick cookware |
| CN114158949B (en) * | 2021-12-17 | 2023-12-01 | 武汉苏泊尔炊具有限公司 | Composite material, preparation method thereof and non-stick cookware |
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| IT201900020901A1 (en) * | 2019-11-12 | 2021-05-12 | Firemat S R L | A TOOL FOR COOKING FOOD IN REFRACTORY CERAMIC MATERIAL |
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| CN113208409A (en) * | 2021-06-07 | 2021-08-06 | 淄博汇宝电器有限公司 | Ceramic heating pot special for induction cooker and preparation method thereof |
| CN113999555A (en) * | 2021-12-17 | 2022-02-01 | 武汉苏泊尔炊具有限公司 | Composite material, preparation method thereof and non-stick cookware |
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