CN109618426A - A kind of electric ripple type PTC heating block being easily installed - Google Patents
A kind of electric ripple type PTC heating block being easily installed Download PDFInfo
- Publication number
- CN109618426A CN109618426A CN201811380334.0A CN201811380334A CN109618426A CN 109618426 A CN109618426 A CN 109618426A CN 201811380334 A CN201811380334 A CN 201811380334A CN 109618426 A CN109618426 A CN 109618426A
- Authority
- CN
- China
- Prior art keywords
- aluminium flake
- ripple
- heat
- clamping groove
- mounting bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
Abstract
The invention discloses a kind of electric ripple type PTC heating blocks being easily installed, including ceramic heating plate, the both ends of the ceramic heating plate are connected with side mounting bar, and the symmetrical parallel setting of side mounting bar, the ceramic heating plate two sides are equipped with ripple aluminium flake, and setting is spaced between ripple aluminium flake and ceramic heating plate, pass through thermally conductive gluing knot between the ripple aluminium flake and ceramic heating plate, the both ends of the ripple aluminium flake are welded with connection-peg, and the both ends of ripple aluminium flake are connect with side mounting bar, clamping groove is offered on the side mounting bar, the top and side of the clamping groove are equipped with opening, and the connection-peg at ripple aluminium flake both ends is placed in clamping groove.Compared with prior art, the present invention by heat-conducting glue by addition dispersing agent, change heat-conducting glue expand with heat and contract with cold after theres is a phenomenon where precipitate caused by heat-conducting glue fall off, and by add age resister, so that heat-conducting glue reduces the speed of aging in hot environment during the work time, increase service life.
Description
Technical field
The present invention relates to PTC heating block technical field, in particular to a kind of electric ripple type PTC fever being easily installed
Block.
Background technique
PTC heater is called ptc heater, is formed using PTC ceramics heater element and aluminum pipe.The type PTC heater
Have the advantages that thermal resistance is small, heat exchange efficiency is high, is the electric heater of a kind of automatic constant-temperature, power saving.Outstanding feature is security performance
On, surface " rubescent " phenomenon such as electric heating tubing heater will not be generated under any applicable cases, so as to cause scald, fire
Etc. security risks.
The aluminium flake of existing PTC heater mainly uses welding manner, is unfavorable for replacing, and when welding is easy to appear mistake,
So that installation in trouble, is unfavorable for later period replacement, and heat-conducting glue is in the long-term use, easy aging falls off, in view of this, being
This proposes a kind of electric ripple type PTC heating block being easily installed.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, a kind of electric ripple type being easily installed is provided
PTC heating block, by, by addition dispersing agent, changing heat-conducting glue caused by precipitating after heat-conducting glue expands with heat and contract with cold in heat-conducting glue
The phenomenon that falling off, and by addition age resister, so that heat-conducting glue reduces the speed of aging in hot environment during the work time,
Increase service life.
The technical scheme adopted by the invention to achieve the purpose is as follows:
A kind of electric ripple type PTC heating block being easily installed, including ceramic heating plate, the both ends connection of the ceramic heating plate
There are side mounting bar, and the symmetrical parallel setting of side mounting bar, the ceramic heating plate two sides are equipped with ripple aluminium flake and ripple
Setting is spaced between aluminium flake and ceramic heating plate, it is described by thermally conductive gluing knot between the ripple aluminium flake and ceramic heating plate
The both ends of ripple aluminium flake are welded with connection-peg, and the both ends of ripple aluminium flake are connect with side mounting bar, on the side mounting bar
Clamping groove is offered, the top and side of the clamping groove are equipped with opening, and the connection-peg at ripple aluminium flake both ends is placed in clamping groove
Interior, the clamping groove is equipped with the screw hole for being equipped with and being connected between multiple groups and clamping groove, corresponding position on the connection-peg
Equipped with screw hole, the screw hole internal screw thread is connected with installation bolt.
Further, the installation bolt-through connection-peg and clamping groove.
Further, position of the side mounting bar between clamping groove is equipped with electrode, and electrode and ceramic heating plate connect
It connects.
Further, protective cover is installed on the outside of the ripple aluminium flake and protective cover is fixedly mounted on side installation
The edge of item.
A kind of heat-conducting glue preparation method for the electric ripple type PTC heating block being easily installed, including the following steps:
S1, ingredient: Heat Conduction Material 35%-55%, graphite heat conducting material 20%-30%, modifying agent 1.0%-4.5%, adhesive 60%-
80%, dispersing agent 2%-4%, age resister 1%-2.5%；
S2, main material mixing: weighing Heat Conduction Material and modifying agent in proportion, and conduction powder and modifying agent are added in solvent and mixed
It closing, silk, in the case where revolving speed is 1500rpm, mixes 3min with homogenizer, graphite heat conducting material is then added into mixing again, wherein
Incorporation time is 3min, obtains mixture A；
S3, solidification: mixture A obtained in above-mentioned steps and adhesive are proportionally weighed, mixture A and adhesive are added
Enter in solution and mixed, and after being placed in strong stirring 1h at room temperature, is slowly added to dispersing agent, stands 1h after stirring,
To be added three times age resister after reaction while being sufficiently stirred, time interval is 15 minutes, is sufficiently mixed and finishes, finally
It is formed by curing heat-conducting glue.
Further, the ratio of the Heat Conduction Material and graphite heat conducting material is 1；0.8, and Heat Conduction Material mainly uses nothing
Machine salt material.
Compared with prior art, the invention has the benefit that
1, the present invention is by being arranged connection-peg at the both ends of ripple aluminium flake, and deletes in connection-peg and offer screw hole, and side is installed
It also is provided with crossing the connection-peg between clamping groove in the clamping groove of the corresponding position of item, during installation, by ripple aluminium flake both ends
Connection-peg is placed in clamping groove, and after then being screwed in using installation bolt, the both ends of ripple aluminium flake and side mounting bar are fixed, Gu
It fixes time simple and easy to operate.
2, heat-conducting glue of the invention is changed thermally conductive caused by precipitating after heat-conducting glue expands with heat and contract with cold by addition dispersing agent
The phenomenon that glue falls off, and by addition age resister, so that heat-conducting glue reduces the speed of aging in hot environment during the work time
Degree increases service life.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is corrugated aluminium slice mounting structure schematic diagram of the present invention；
In figure: 1, side mounting bar；2, protective cover；3, ripple aluminium flake；4, heat-conducting glue；5, ceramic heating plate；6, bolt is installed；7,
Screw hole；8, connection-peg；9, electrode；10, clamping groove.
Specific embodiment:
In order to which the purpose of the present invention and technical solution and advantage is more clearly understood, elaborate with reference to embodiments.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
A kind of electric ripple type PTC heating block being easily installed provided in this embodiment, please refers to shown in Fig. 1-2, including
Ceramic heating plate 5, the both ends of the ceramic heating plate 5 are connected with side mounting bar 1, and the symmetrical parallel setting of side mounting bar 1,
5 two sides of ceramic heating plate, which are equipped between ripple aluminium flake 3 and ripple aluminium flake 3 and ceramic heating plate 5, is spaced setting, described
It being bonded between ripple aluminium flake 3 and ceramic heating plate 5 by heat-conducting glue 4, the both ends of the ripple aluminium flake 3 are welded with connection-peg 8, and
The both ends of ripple aluminium flake 3 are connect with side mounting bar 1, and clamping groove 10, the clamping groove 10 are offered on the side mounting bar 1
Top and side be equipped with opening, and the connection-peg 8 at 3 both ends of ripple aluminium flake is placed in clamping groove 10, and the clamping groove 10 is equipped with
The screw hole 7 being connected is equipped between multiple groups and clamping groove 10, corresponding position also is provided with screw hole 7, institute on the connection-peg 8
It states 7 internal screw thread of screw hole and is connected with installation bolt 6.The installation bolt 6 runs through connection-peg 8 and clamping groove 10, the side installation
Position of the item 1 between clamping groove 10 is equipped with electrode 9, and electrode 9 is connect with ceramic heating plate 5, outside the ripple aluminium flake 3
Side is equipped with protective cover 2 and protective cover 2 is fixedly mounted on the edge of side mounting bar 1.
Embodiment 1
Heat Conduction Material 35%, graphite heat conducting material 20%, modifying agent 1.0%, adhesive 60%, dispersing agent 2%, age resister 1%；
Preparation process: weighing Heat Conduction Material and modifying agent in proportion, and conduction powder and modifying agent are added in solvent and mixed, silk is used
With homogenizer in the case where revolving speed is 1500rpm, 3min is mixed, graphite heat conducting material is then added into mixing again, wherein when mixing
Between be 3min, obtain mixture A；Mixture A obtained in above-mentioned steps and adhesive are proportionally weighed, by mixture A
It is added in solution and is mixed with adhesive, and after being placed in strong stirring 1h at room temperature, be slowly added to dispersing agent, stirring
After stand 1h, to be added three times age resister after reaction while being sufficiently stirred, time interval be 15 minutes, be sufficiently mixed
It finishes, final curing forms heat-conducting glue.
Embodiment 2
Heat Conduction Material 45%, graphite heat conducting material 25%, modifying agent 2.8%, adhesive 70%, dispersing agent 3%, age resister 1.8%；
Preparation process: weighing Heat Conduction Material and modifying agent in proportion, and conduction powder and modifying agent are added in solvent and mixed, silk is used
With homogenizer in the case where revolving speed is 1500rpm, 3min is mixed, graphite heat conducting material is then added into mixing again, wherein when mixing
Between be 3min, obtain mixture A；Mixture A obtained in above-mentioned steps and adhesive are proportionally weighed, by mixture A
It is added in solution and is mixed with adhesive, and after being placed in strong stirring 1h at room temperature, be slowly added to dispersing agent, stirring
After stand 1h, to be added three times age resister after reaction while being sufficiently stirred, time interval be 15 minutes, be sufficiently mixed
It finishes, final curing forms heat-conducting glue.
Embodiment 3
Heat Conduction Material 55%, graphite heat conducting material 30%, modifying agent 4.5%, adhesive 80%, dispersing agent 4%, age resister 2.5%；
Preparation process: weighing Heat Conduction Material and modifying agent in proportion, and conduction powder and modifying agent are added in solvent and mixed, silk is used
With homogenizer in the case where revolving speed is 1500rpm, 3min is mixed, graphite heat conducting material is then added into mixing again, wherein when mixing
Between be 3min, obtain mixture A；Mixture A obtained in above-mentioned steps and adhesive are proportionally weighed, by mixture A
It is added in solution and is mixed with adhesive, and after being placed in strong stirring 1h at room temperature, be slowly added to dispersing agent, stirring
After stand 1h, to be added three times age resister after reaction while being sufficiently stirred, time interval be 15 minutes, be sufficiently mixed
It finishes, final curing forms heat-conducting glue.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.
Claims (6)
1. a kind of electric ripple type PTC heating block being easily installed, including ceramic heating plate (5), which is characterized in that the ceramics
The both ends of fever tablet (5) are connected with side mounting bar (1), and side mounting bar (1) symmetrical parallel setting, the ceramic heating plate
(5) two sides, which are equipped between ripple aluminium flake (3) and ripple aluminium flake (3) and ceramic heating plate (5), is spaced setting, the corrugated aluminium
It is bonded between piece (3) and ceramic heating plate (5) by heat-conducting glue (4), the both ends of the ripple aluminium flake (3) are welded with connection-peg
(8), and the both ends of ripple aluminium flake (3) are connect with side mounting bar (1), offer clamping groove on the side mounting bar (1)
(10), the top and side of the clamping groove (10) are equipped with opening, and the connection-peg (8) at ripple aluminium flake (3) both ends is placed in clamping
In slot (10), the clamping groove (10) is equipped with the screw hole (7) for being equipped with and being connected between multiple groups and clamping groove (10), described to insert
Corresponding position also is provided with screw hole (7) on connector (8), and screw hole (7) internal screw thread is connected with installation bolt (6).
2. a kind of electric ripple type PTC heating block being easily installed as described in claim 1, which is characterized in that the installation
Bolt (6) runs through connection-peg (8) and clamping groove (10).
3. a kind of electric ripple type PTC heating block being easily installed as described in claim 1, which is characterized in that the side
Mounting bar (1) is located at the position between clamping groove (10) equipped with electrode (9), and electrode (9) is connect with ceramic heating plate (5).
4. a kind of electric ripple type PTC heating block being easily installed as claimed in claim 3, which is characterized in that the ripple
Protective cover (2) is installed on the outside of aluminium flake (3) and protective cover (2) is fixedly mounted on the edge of side mounting bar (1).
5. a kind of heat-conducting glue preparation method for the electric ripple type PTC heating block being easily installed described in a kind of claim 1-4,
It is characterized by composing the following steps:
S1, ingredient: Heat Conduction Material 35%-55%, graphite heat conducting material 20%-30%, modifying agent 1.0%-4.5%, adhesive 60%-
80%, dispersing agent 2%-4%, age resister 1%-2.5%；
S2, main material mixing: weighing Heat Conduction Material and modifying agent in proportion, and conduction powder and modifying agent are added in solvent and mixed
It closing, silk, in the case where revolving speed is 1500rpm, mixes 3min with homogenizer, graphite heat conducting material is then added into mixing again, wherein
Incorporation time is 3min, obtains mixture A；
S3, solidification: mixture A obtained in above-mentioned steps and adhesive are proportionally weighed, by mixture A and adhesive
It is added in solution and is mixed, and after being placed in strong stirring 1h at room temperature, be slowly added to dispersing agent, stood after stirring
1h, to be added three times age resister after reaction while being sufficiently stirred, time interval is 15 minutes, is sufficiently mixed and finishes, most
After be formed by curing heat-conducting glue.
6. a kind of preparation method for the electric ripple type PTC heating block being easily installed as claimed in claim 5, feature exist
In the ratio of the Heat Conduction Material and graphite heat conducting material is 1；0.8, and Heat Conduction Material mainly uses inorganic salt materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380334.0A CN109618426A (en) | 2018-11-20 | 2018-11-20 | A kind of electric ripple type PTC heating block being easily installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380334.0A CN109618426A (en) | 2018-11-20 | 2018-11-20 | A kind of electric ripple type PTC heating block being easily installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109618426A true CN109618426A (en) | 2019-04-12 |
Family
ID=66004570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811380334.0A Pending CN109618426A (en) | 2018-11-20 | 2018-11-20 | A kind of electric ripple type PTC heating block being easily installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109618426A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061235A (en) * | 1990-11-09 | 1992-05-20 | 青岛市市南区三利应用化工研究所 | Heat-conducting glue |
| CN1880399A (en) * | 2005-06-16 | 2006-12-20 | 鸿富锦精密工业（深圳）有限公司 | Thermally conductive glue and method of manufacturing same |
| CN202014379U (en) * | 2011-03-22 | 2011-10-19 | 安徽凯创电子科技股份有限公司 | Positive temperature coefficient (PTC) heater with electricity on surface |
| CN102504707A (en) * | 2011-11-01 | 2012-06-20 | 特艾弗新材料科技（上海）有限公司 | Fast cured thermal conductive adhesive and preparation method thereof |
| CN102876272A (en) * | 2012-09-27 | 2013-01-16 | 深圳清华大学研究院 | Heat-conduction binding material and preparation method thereof |
| CN203416434U (en) * | 2013-09-05 | 2014-01-29 | 孝感华工高理电子有限公司 | Insulated high-power automobile air-conditioning PTC heater |
| CN203675345U (en) * | 2013-11-18 | 2014-06-25 | 海盐正凯电气科技有限公司 | PTC heating sheet integrated assembly |
| CN203801082U (en) * | 2014-04-23 | 2014-08-27 | 孝感华工高理电子有限公司 | PTC heater of automobile air conditioner |
| CN204795634U (en) * | 2015-07-14 | 2015-11-18 | 孝感华工高理电子有限公司 | Air conditioner ptc heater |
| CN205005275U (en) * | 2015-10-14 | 2016-01-27 | 常熟市林芝电热器件有限公司 | PTC heating element that air conditioner was used |
| CN105602485A (en) * | 2016-01-26 | 2016-05-25 | 河北工业大学 | High-infrared-radiance insulating heat conduction adhesive and preparing method thereof |
| CN206413204U (en) * | 2017-01-16 | 2017-08-15 | 东莞市飞泸电子科技有限公司 | A kind of PTC heater of electric ripple |
| CN107197553A (en) * | 2017-06-02 | 2017-09-22 | 浙江工业大学 | A kind of PTC electric heater for aiding in separating air conditioner to heat |
| CN107880822A (en) * | 2017-12-15 | 2018-04-06 | 东莞市达瑞电子股份有限公司 | A kind of thermal conductive adhesive and its making without base material high-termal conductivity double faced adhesive tape |
| WO2018101407A1 (en) * | 2016-12-02 | 2018-06-07 | 株式会社デンソー | Electric heater and method for manufacturing same |
-
2018
- 2018-11-20 CN CN201811380334.0A patent/CN109618426A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061235A (en) * | 1990-11-09 | 1992-05-20 | 青岛市市南区三利应用化工研究所 | Heat-conducting glue |
| CN1880399A (en) * | 2005-06-16 | 2006-12-20 | 鸿富锦精密工业（深圳）有限公司 | Thermally conductive glue and method of manufacturing same |
| CN202014379U (en) * | 2011-03-22 | 2011-10-19 | 安徽凯创电子科技股份有限公司 | Positive temperature coefficient (PTC) heater with electricity on surface |
| CN102504707A (en) * | 2011-11-01 | 2012-06-20 | 特艾弗新材料科技（上海）有限公司 | Fast cured thermal conductive adhesive and preparation method thereof |
| CN102876272A (en) * | 2012-09-27 | 2013-01-16 | 深圳清华大学研究院 | Heat-conduction binding material and preparation method thereof |
| CN203416434U (en) * | 2013-09-05 | 2014-01-29 | 孝感华工高理电子有限公司 | Insulated high-power automobile air-conditioning PTC heater |
| CN203675345U (en) * | 2013-11-18 | 2014-06-25 | 海盐正凯电气科技有限公司 | PTC heating sheet integrated assembly |
| CN203801082U (en) * | 2014-04-23 | 2014-08-27 | 孝感华工高理电子有限公司 | PTC heater of automobile air conditioner |
| CN204795634U (en) * | 2015-07-14 | 2015-11-18 | 孝感华工高理电子有限公司 | Air conditioner ptc heater |
| CN205005275U (en) * | 2015-10-14 | 2016-01-27 | 常熟市林芝电热器件有限公司 | PTC heating element that air conditioner was used |
| CN105602485A (en) * | 2016-01-26 | 2016-05-25 | 河北工业大学 | High-infrared-radiance insulating heat conduction adhesive and preparing method thereof |
| WO2018101407A1 (en) * | 2016-12-02 | 2018-06-07 | 株式会社デンソー | Electric heater and method for manufacturing same |
| CN206413204U (en) * | 2017-01-16 | 2017-08-15 | 东莞市飞泸电子科技有限公司 | A kind of PTC heater of electric ripple |
| CN107197553A (en) * | 2017-06-02 | 2017-09-22 | 浙江工业大学 | A kind of PTC electric heater for aiding in separating air conditioner to heat |
| CN107880822A (en) * | 2017-12-15 | 2018-04-06 | 东莞市达瑞电子股份有限公司 | A kind of thermal conductive adhesive and its making without base material high-termal conductivity double faced adhesive tape |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6653118B2 (en) | Single-sided heat transfer type temperature equalizer | |
| CN109618426A (en) | A kind of electric ripple type PTC heating block being easily installed | |
| CN206639831U (en) | A kind of battery temperature control device | |
| CN206226751U (en) | A kind of PTC-ceramic heater | |
| CN208402144U (en) | A kind of teeth piece hair thermal module | |
| CN207050021U (en) | Kitchen range self charger | |
| CN102885583A (en) | Electric heating chassis and electric kettle | |
| CN201773835U (en) | Radiator for loop circuit heat pipe | |
| CN209366486U (en) | A kind of radiator for unmanned electromechanical tune | |
| CN102128519A (en) | Semiconductor heating and refrigerating device | |
| CN109285816A (en) | Film heating plate component and electronic equipment | |
| CN206796902U (en) | The driving plate that radiates and seal-affixing machine | |
| CN208767228U (en) | Contactor | |
| US10641499B2 (en) | Plug-in electric ceramic heating plate and electric stove provided with the heating plate | |
| CN202018157U (en) | Semiconductor heating and refrigerating device | |
| CN205196152U (en) | Supervisory equipment's protection casing and supervisory equipment | |
| CN218096678U (en) | Semiconductor refrigerating device | |
| CN110050521A (en) | A kind of heat-conducting pad matrix arrangement array architecture | |
| CN201935293U (en) | Heating element assembly of warmer | |
| CN217281222U (en) | Novel copper bar convenient to assembly | |
| CN215601519U (en) | Phase change heat abstractor and electromagnetic induction heating device | |
| CN210899660U (en) | MCH ceramic electric heater | |
| CN217279384U (en) | Temperature regulating device for concrete additive production | |
| CN209616110U (en) | A kind of energy-saving heater of drying machine | |
| CN208742342U (en) | A kind of stirring blade equipped with controllable electric heating plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |