CN106037441A - Special ceramic pot and preparation thereof - Google Patents
Special ceramic pot and preparation thereof Download PDFInfo
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- CN106037441A CN106037441A CN201610374712.9A CN201610374712A CN106037441A CN 106037441 A CN106037441 A CN 106037441A CN 201610374712 A CN201610374712 A CN 201610374712A CN 106037441 A CN106037441 A CN 106037441A
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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
- A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/16—Lean materials, e.g. grog, quartz
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/36—Reinforced clay-wares
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/74—Ceramic products containing macroscopic reinforcing agents containing shaped metallic materials
- C04B35/76—Fibres, filaments, whiskers, platelets, or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
- C04B2235/3445—Magnesium silicates, e.g. forsterite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cookers (AREA)
Abstract
The invention relates to a special ceramic pot and preparation of the special ceramic pot. The special ceramic pot comprises a pot body and a high-thermal-conductivity three-dimensional net, wherein the high-thermal-conductivity three-dimensional net is arranged in the bottom of the pot body, the side wall of the pot body is in a porous ceramic structure, and a rough body of the pot body is prepared by adopting a two-time pouring method, specifically, the two-time pouring method comprises the following steps: pouring ceramic slurry into a pot body mould the bottom of which is provided with the three-dimensional net weaved by a high-thermal-conductivity material and having the size approximate to that of the bottom of the pot body so that the ceramic slurry fills the whole bottom and is higher than the bottom by one part; adding a pore-forming agent in the ceramic slurry, uniformly mixing the pore-forming agent and the ceramic slurry, and filling the rest part of the pot body mould with the ceramic slurry mixed with the pore-forming agent. According to the special ceramic pot and the preparation of the special ceramic pot, the thermal conductivity at the heated part of the bottom of the pot body is increased, the heat dissipation potential of the side wall of the pot body is weakened, the heat-retaining capacity of the pot body is enhanced, and thus the pot body has the advantages of heating rapidness and long thermal insulation.
Description
Technical field
The invention belongs to pottery pot field, particularly relate to a kind of Special-purpose ceramic cooker and preparation thereof.
Background technology
At present, the pot on market be mostly metal pan (iron pan, stainless-steel pan) have easily get rusty, heat insulation effect undesirable
Etc. shortcoming, and metal pan is not enough in terms of wearability and corrosion resistance for ceramic pan.And ceramic pan not only has
The advantages such as the strongest wearability, corrosion resistance, and the food mouthfeel cooked with ceramic pan is more preferably.But the thermal conductivity of pottery
General the lowest, patent 201520753280.3 sets gradually high heat conducting coating and thermal boundary from the inside to the outside at ceramic pan sidewall and bottom
Coating, increases heat conductivity and the heat insulating ability of pot, but is coated with two layers of coatings on ceramic pan and not only considerably increases and be fabricated to
This, and two layers of coatings in use has the probability come off.
Summary of the invention
It is an object of the invention to provide a kind of Special-purpose ceramic cooker and prepare to overcome existing ceramic pan cost of manufacture high,
And two layers of coatings in use has the problems such as the probability that comes off.
For solving the problems referred to above, the invention provides a kind of Special-purpose ceramic cooker, including pot and high heat conduction three dimensional network, described
High heat conduction three dimensional network is located at the inside of described bottom of pot body, and described pot sidewall is porous ceramic structure, and described pot base substrate is adopted
It is prepared from by second pouring method.Three purse seines can uniformly exist and strip is interconnected, and thermal stress is uneven, and
And manufacturing process is more complicated.
Further, described high heat conduction three dimensional network is 10-30:70-90 with the volume ratio of described bottom of pot body.Such as fruit volume
More bad than too low heat-conducting effect；If volume ratio is too high, high heat conduction three dimensional network volume is big, easily ftractures, preparation difficulty.
Further, described high heat conduction three dimensional network by the one in ferrum, copper, silver, gold, nickel metal or alloy, carbon fiber or
Multiple material synthesizes.
Further, the mesh mesh number of described high heat conduction three dimensional network is not more than 40 mesh.Just it is difficult to roll more than 40 mesh pottery mud
It is pressed into three-dimensional network.
Further, the raw material of described pot includes following component and percentage composition: quartz 40-60, Kaolin 10-25,
Clay 10-20, potassium feldspar 8-15, Talcum 5-10, calcium carbonate 3-7.
Further, described pot sidewall is that the aperture of porous ceramic structure is not more than 0.5mm.
Further, inside and outside described pot base substrate, topcoating has one layer of enamel.
The preparation technology of a kind of Special-purpose ceramic cooker, mainly comprises the steps that
(1) preparation of raw material of pot is become ceramic size；
(2) part ceramic size is cast in bottom and is placed be compiled into highly heat-conductive material, size and bottom of pot body is close
In the pot mould of three-dimensional network, ceramic size is made to be full of whole bottom and higher than a bottom part；
(3) in residue ceramic size, add pore creating material and mix homogeneously, then the ceramic size being mixed with pore creating material is filled up surplus
Remaining pot mould；
(4) the pot base substrate of step (3) gained is first incubated at 300 DEG C～500 DEG C 1～2h, then at 1050 DEG C～1300 DEG C
Lower sintering 2～3h.
Further, the one during described pore creating material is starch, activated carbon powder, polystyrene, polymethyl methacrylate
Or it is multiple.
Further, described pore creating material accounts for the 10%-25% of residue ceramic size volume.
Compared with prior art, useful highly heat-conductive material in the present invention utilizes the method for second pouring to achieve bottom of pot body
Establishment three dimensional network and pot sidewall be the structure of porous ceramics, add bottom of pot body be heated place thermal conductivity, decrease pot
The heat-sinking capability of body sidewall, adds the insulating power of pot so that pot has the advantage that heating is fast, temperature retention time is long.
Accompanying drawing explanation
Fig. 1 is the sectional view of Special-purpose ceramic cooker of the present invention；
Fig. 2 is the structural representation of height heat conduction three dimensional network of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made into one
Step ground describes in detail.
Embodiment 1
The preparation technology of a kind of Special-purpose ceramic cooker, mainly comprises the steps that and weighs ceramic matrix raw material by mass fraction: quartz
40, Kaolin 25, clay 20, potassium feldspar 15, Talcum 10, calcium carbonate 7；According to bottom of pot body and sidewall volume, ceramic matrix is former
It is bottom of pot body raw material that material is divided into A, B two parts, A, and B is pot sidewall raw material；According to volume ratio bottom three dimensional network and ceramic pan it is
30:70, the ferritic stainless steel three dimensional network that mesh number is 40 mesh choosing respective volume is put in pot mould, according to pore creating material
Account for ceramic size volume 15%, weigh the pore creating material polymethyl methacrylate (PMMA) of respective volume；A part raw material is pressed
According to the hybrid technique of conventional ceramic idiosome, mixing and stirring, pore creating material polymethyl methacrylate (PMMA) is added B
In part raw material, according to the hybrid technique of conventional ceramic idiosome, mixing and stirring；A part slurry cast of mix homogeneously is entered
Bottom is placed with in rustless steel three dimensional network pot mould so that it is is full of whole bottom and higher than a bottom part, stands or shake several
Minute, then B part slurry of the band pore creating material of mix homogeneously is filled up residue pot mould；First pot base substrate is protected at 300 DEG C
Temperature 2 hours, after the glass-lined of pot base surface, then sinters 3 hours at 1050 DEG C, i.e. can get finished product.
Embodiment 2
The preparation technology of a kind of Special-purpose ceramic cooker, mainly comprises the steps that and weighs ceramic matrix raw material by mass fraction: quartz
50, Kaolin 18, clay 12, potassium feldspar 10, Talcum 7, calcium carbonate 3；According to bottom of pot body and sidewall volume, ceramic matrix is former
It is bottom of pot body raw material that material is divided into A, B two parts, A, and B is pot sidewall raw material；According to volume ratio bottom three dimensional network and ceramic pan it is
20:80, the silver-colored three dimensional network that mesh number is 20 mesh choosing respective volume is put in pot mould, accounts for ceramic size according to pore creating material
Volume 20%, weighs the pore creating material polystyrene (PS) of respective volume；By A part raw material according to the hybrid technique of conventional ceramic idiosome,
Mixing and stirring, adds pore creating material polystyrene (PS) in B part raw material, according to the hybrid technique of conventional ceramic idiosome, mixed
Conjunction stirs；A part slurry cast of mix homogeneously is entered in bottom is placed with silver three dimensional network pot mould so that it is be full of whole
Bottom and higher than bottom a part, stand or shake a few minutes, then B part slurry of mix homogeneously is filled up residue pot mould；
First pot base substrate is incubated 1.5 hours at 450 DEG C, after the glass-lined of pot base surface, then sintering 3 hours at 1150 DEG C, i.e.
Available finished product.
Embodiment 3
The preparation technology of a kind of Special-purpose ceramic cooker, mainly comprises the steps that and weighs ceramic matrix raw material by mass fraction: quartz
55, Kaolin 15, clay 13, potassium feldspar 8, Talcum 5, calcium carbonate 3；According to bottom of pot body and sidewall volume by ceramic matrix raw material
Being divided into A, B two parts, A is bottom of pot body raw material, and B is pot sidewall raw material；It is 15 according to volume ratio bottom three dimensional network and ceramic pan:
85, the nickel three dimensional network that mesh number is 20 mesh choosing respective volume is put in pot mould, accounts for ceramic size body according to pore creating material
Long-pending 20%, weigh the pore creating material starch of respective volume；By A part raw material according to the hybrid technique of conventional ceramic idiosome, mix and blend is equal
Even, pore creating material activated starch is added in B part raw material, according to the hybrid technique of conventional ceramic idiosome, mixing and stirring；Will be mixed
Close uniform A part slurry cast and enter in bottom is placed with nickel fibre three-dimensional net pot mould so that it is be full of whole bottom and be higher than
A bottom part, stands or shakes a few minutes, then B part slurry of mix homogeneously fills up residue pot mould；First by pot base
Body is incubated 1 hour at 500 DEG C, after the glass-lined of pot base surface, then sinters 2 hours at 1250 DEG C, i.e. can get finished product.
Embodiment 4
The preparation technology of a kind of Special-purpose ceramic cooker, mainly comprises the steps that and weighs ceramic matrix raw material by mass fraction: quartz
60, Kaolin 10, clay 10, potassium feldspar 9, Talcum 5, calcium carbonate 4；According to bottom of pot body and sidewall volume by ceramic matrix raw material
Being divided into A, B two parts, A is bottom of pot body raw material, and B is pot sidewall raw material；It is 10 according to volume ratio bottom three dimensional network and ceramic pan:
90, the carbon fiber three dimensional network that mesh number is 12 mesh choosing respective volume is put in pot mould, accounts for ceramic slurry according to pore creating material
Material volume 25%, weighs the pore creating material activated carbon powder of respective volume；By A part raw material according to the hybrid technique of conventional ceramic idiosome, mix
Conjunction stirs, and is added by pore creating material activated carbon powder in B part raw material, according to the hybrid technique of conventional ceramic idiosome, mix and blend
Uniformly；A part slurry cast of mix homogeneously is entered in bottom is placed with carbon fiber three dimensional network pot mould so that it is be full of the whole end
Portion and higher than bottom a part, stand or shake a few minutes, then B part slurry of mix homogeneously is filled up residue pot mould；First
Pot base substrate is incubated 1 hour at 500 DEG C, after the glass-lined of pot base surface, then sinters 2 hours at 1300 DEG C,
To finished product.
The Special-purpose ceramic cooker prepared according to the preparation technology of embodiment 1-4 as depicted in figs. 1 and 2, including pot and
High heat conduction three dimensional network 3, it is internal that high heat conduction three dimensional network 3 is located at bottom of pot body 1, and pot sidewall 2 is porous ceramic structure 4.High heat conduction
The mesh mesh number of three dimensional network 3 is not more than 40 mesh；The aperture of porous ceramic structure 4 is not more than 0.5mm.
Above-described embodiment is only to be described the detailed description of the invention of the present invention not to carry out the scope of the present invention
Limit, it is noted that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, also
Can make some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (10)
1. a Special-purpose ceramic cooker, it is characterised in that include that pot and high heat conduction three dimensional network, described high heat conduction three dimensional network are located at institute
Stating the inside of bottom of pot body, described pot sidewall is porous ceramic structure, and described pot base substrate uses second pouring method to prepare
Form.
Special-purpose ceramic cooker the most according to claim 1, it is characterised in that described high heat conduction three dimensional network and described bottom of pot body
Volume ratio is 10-30:70-90.
Special-purpose ceramic cooker the most according to claim 1, it is characterised in that described high heat conduction three dimensional network is by ferrum, copper, silver, gold, nickel
One or more materials synthesis in metal or alloy, carbon fiber.
Special-purpose ceramic cooker the most according to claim 3, it is characterised in that the mesh mesh number of described high heat conduction three dimensional network is not more than
40 mesh.
Special-purpose ceramic cooker the most according to claim 1, it is characterised in that the raw material of described pot includes following component and percentage
Content: quartz 40-60, Kaolin 10-25, clay 10-20, potassium feldspar 8-15, Talcum 5-10, calcium carbonate 3-7.
Special-purpose ceramic cooker the most according to claim 1, it is characterised in that described pot sidewall is the aperture of porous ceramic structure
It is not more than 0.5mm.
Special-purpose ceramic cooker the most according to claim 1, it is characterised in that inside and outside described pot base substrate, topcoating has one layer of enamel.
8. according to the preparation technology of Special-purpose ceramic cooker described in any one of claim 1-7, it is characterised in that mainly include following step
Rapid:
(1) preparation of raw material of pot is become ceramic size；
(2) part ceramic size is cast in bottom and is placed be compiled into highly heat-conductive material, size and bottom of pot body is close
In the pot mould of three-dimensional network, ceramic size is made to be full of whole bottom and higher than a bottom part；
(3) in residue ceramic size, add pore creating material and mix homogeneously, then the ceramic size being mixed with pore creating material is filled up surplus
Remaining pot mould；
(4) the pot base substrate of step (3) gained is first incubated at 300 DEG C～500 DEG C 1～2h, then at 1050 DEG C～1300 DEG C
Lower sintering 2～3h.
Preparation technology the most according to claim 8, it is characterised in that described pore creating material is starch, activated carbon powder, polyphenyl second
One or more in alkene, polymethyl methacrylate.
Preparation technology the most according to claim 9, it is characterised in that described pore creating material accounts for residue ceramic size volume
10%-25%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374712.9A CN106037441B (en) | 2016-05-31 | 2016-05-31 | A kind of Special-purpose ceramic cooker and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374712.9A CN106037441B (en) | 2016-05-31 | 2016-05-31 | A kind of Special-purpose ceramic cooker and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106037441A true CN106037441A (en) | 2016-10-26 |
| CN106037441B CN106037441B (en) | 2018-05-25 |
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ID=57172277
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113713U (en) * | 1991-12-18 | 1992-08-26 | 郭恩喜 | Insulation shield for domestic cooking utensil |
| CN201658229U (en) * | 2010-03-02 | 2010-12-01 | 王旭斌 | Ceramic boiler accepting multiple heating ways |
| CN201899344U (en) * | 2010-12-09 | 2011-07-20 | 上海伊索热能技术有限公司 | Energy-saving re-cooking pan |
| CN203122062U (en) * | 2013-03-11 | 2013-08-14 | 广东伊立浦电器股份有限公司 | Composite pot |
| CN204701213U (en) * | 2015-05-26 | 2015-10-14 | 王永锋 | A kind of composite material for making cooker |
-
2016
- 2016-05-31 CN CN201610374712.9A patent/CN106037441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2113713U (en) * | 1991-12-18 | 1992-08-26 | 郭恩喜 | Insulation shield for domestic cooking utensil |
| CN201658229U (en) * | 2010-03-02 | 2010-12-01 | 王旭斌 | Ceramic boiler accepting multiple heating ways |
| CN201899344U (en) * | 2010-12-09 | 2011-07-20 | 上海伊索热能技术有限公司 | Energy-saving re-cooking pan |
| CN203122062U (en) * | 2013-03-11 | 2013-08-14 | 广东伊立浦电器股份有限公司 | Composite pot |
| CN204701213U (en) * | 2015-05-26 | 2015-10-14 | 王永锋 | A kind of composite material for making cooker |
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| Publication number | Publication date |
|---|---|
| CN106037441B (en) | 2018-05-25 |
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