CN109631459B - Household refrigerator capable of preventing cold air from leaking - Google Patents
Household refrigerator capable of preventing cold air from leaking Download PDFInfo
- Publication number
- CN109631459B CN109631459B CN201811481110.9A CN201811481110A CN109631459B CN 109631459 B CN109631459 B CN 109631459B CN 201811481110 A CN201811481110 A CN 201811481110A CN 109631459 B CN109631459 B CN 109631459B
- Authority
- CN
- China
- Prior art keywords
- refrigerator
- fixedly connected
- main body
- cold air
- refrigerator main
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000009191 jumping Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/023—Air curtain closures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/08—Parts formed wholly or mainly of plastics materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
- F25D2317/0681—Details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a household refrigerator for preventing cold air from leaking, which comprises a refrigerator main body, wherein a hinge is fixedly connected to the lower end of the right side of the refrigerator main body, a refrigerator door is fixedly connected to the left side of the hinge, a handle is fixedly connected to the lower end of the left side of the refrigerator door, a sealing rubber pad covers the upper end of the refrigerator door, the upper end of the left side of the refrigerator door is fixedly connected to the lower end of the left side of the refrigerator main body and is provided with a limit switch, sliding plates are vertically and fixedly connected to two sides in the refrigerator. According to the refrigerator, the power generated by wind blows off the rubber sealing gasket at the lower end, sucks the rubber sealing gasket at the upper end, and blows off the rubber sealing gasket at the other end in the opposite direction, so that the air wall is generated between the air holes at the two sides, the air wall prevents cold air in the refrigerator main body from leaking, the internal temperature is prevented from suddenly dropping when the refrigerator main body is opened, the refrigerator main body is prevented from being refrigerated by using electric energy after being opened every time, the energy is saved, the temperature is prevented from dropping every time, and the quality guarantee period of food is prolonged.
Description
Technical Field
The invention relates to the field of household equipment, in particular to a household refrigerator for preventing cold air from leaking.
Background
At present, a refrigerator is a refrigeration device for keeping constant low temperature, and is a civil product for keeping constant low temperature and cold state of food or other articles, and the refrigerator becomes an essential product for the life of residents due to the need of ensuring the freshness of the food for a long time along with the continuous development of the times;
1. the existing refrigerator is characterized in that a refrigerator door is opened to take articles, cold air in the refrigerator can leak out through the refrigerator door when the refrigerator door is opened, then the refrigerator door is closed again, and the temperature in the refrigerator is greatly changed, so that a refrigerating system in the refrigerator starts to work, power resources are consumed, and a large amount of electric energy is wasted in the past, and resources are wasted;
2. after the cold air is leaked, the temperature inside the refrigerator is changed in a jumping manner, so that the food inside the refrigerator is easily damaged due to the repeated change of the temperature in the repeated use process of the refrigerator, the shelf life of the food is shortened, and the practical performance of the refrigerator is reduced, so that a device is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a household refrigerator capable of preventing cold air from leaking, and aims to solve the problems that when the refrigerator is opened, the cold air in the refrigerator leaks out through a refrigerator door, then the refrigerator door is closed again, the temperature in the refrigerator is greatly changed, so that a refrigerating system in the refrigerator starts to work, power resources are consumed, a large amount of electric energy is wasted in the past, resources are wasted, and after the cold air leaks, due to the fact that the temperature in the refrigerator is changed in a jumping mode, food in the refrigerator is easily damaged due to the fact that the temperature is repeatedly changed in the repeated use process of the refrigerator.
In order to achieve the purpose, the invention provides the following technical scheme: a household refrigerator for preventing cold air leakage comprises a refrigerator main body, wherein a hinge is fixedly connected to the lower end of the right side of the refrigerator main body, a door is fixedly connected to the left side of the hinge, a handle is fixedly connected to the lower end of the left side of the door, a sealing rubber pad is covered on the upper end of the door, a limit switch is fixedly connected to the upper end of the left side of the door, slide plates are vertically and fixedly connected to two sides inside the refrigerator main body, a storage box is arranged at the front end of each slide plate, cavities are formed in two sides of the lower end inside the refrigerator main body, a baffle is fixedly connected to the inner side of each cavity, a plurality of air vents are uniformly formed in two sides of the front end of the baffle from top to bottom, rubber sealing rings are fixedly connected to the inside of, the inside lower extreme rigid coupling of wind pressure device is provided with the motor, the vertical fly leaf that is provided with in motor left side, the perpendicular rigid coupling of motor right side central point position is provided with first from the driving wheel, the inside upper end level of wind pressure device rigid coupling right is provided with the second from the driving wheel, fan right side central point position perpendicular rigid coupling is provided with the third from the driving wheel, first follow driving wheel and second are provided with the drive belt from encircleing between the driving wheel.
Preferably, the outer surface of the handle is provided with anti-skid lines in a surrounding mode.
Preferably, the rubber sealing ring is divided into four flaps.
Preferably, a separation net is arranged outside the fan.
Preferably, the upper end of the movable plate is horizontally provided with a fixing screw rod in a penetrating manner.
Preferably, the drive belt is wound around the outside of the third driven wheel.
Preferably, the first driven wheel and the second driven wheel have a half diameter of the third driven wheel.
Compared with the prior art, the invention has the beneficial effects that: the power that wind-force produced blows off the rubber packing pad of lower extreme to inhale and open upper end rubber packing pad, the other end blows off simultaneously and inhales rubber packing pad opposite direction, make and produce the wind wall between the both sides air vent, the wind wall prevents that the inside air conditioning of refrigerator main part from leaking, thereby prevent that inside temperature suddenly drops when opening the refrigerator main part, it utilizes the electric energy refrigeration to prevent to all need the refrigerator main part after opening at every turn, a large amount of energy has been practiced thrift, and prevent that the shelf life of food has also been prolonged simultaneously to the temperature reduction at every turn.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a wind pressure apparatus according to the present invention;
FIG. 3 is a schematic illustration of a belt construction according to the present invention;
FIG. 4 is a schematic view of the baffle structure of the present invention;
FIG. 5 is a schematic view of the cavity structure of the present invention.
In the figure: 1. refrigerator main part, 2, slide, 3, bin, 4, handle, 5, sealing rubber pad, 6, chamber door, 7, hinge, 8, limit switch, 9, cavity, 10, wind pressure device, 11, baffle, 12, air vent, 13, rubber seal, 14, motor, 15, fly leaf, 16, clamping screw, 17, fan, 18, the second follows driving wheel, 19, the first follow driving wheel, 20, drive belt, 21, the third follows the driving wheel.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a household refrigerator for preventing cold air from leaking comprises a refrigerator main body 1, a hinge 7 is fixedly connected to the lower end of the right side of the refrigerator main body 1, a refrigerator door 6 is fixedly connected to the left side of the hinge 7, the refrigerator door 6 rotates around the hinge 7, a handle 4 is fixedly connected to the lower end of the left side of the refrigerator door 6, the handle 4 facilitates to rotate the refrigerator door 6, anti-skid lines are arranged on the outer surface of the handle 4 in a surrounding mode, the anti-skid lines prevent the handle 4 from slipping out of a hand when in use, a sealing rubber pad 5 is covered on the upper end of the refrigerator door 6, the sealing rubber pad 5 facilitates to seal the refrigerator main body 1, the internal cooling leakage of the refrigerator main body 1 is prevented, the upper end of the left side of the refrigerator door 6 is fixedly connected with a limit switch 8, sliding plates 2 are vertically and fixedly connected to two sides, the refrigerator comprises a refrigerator main body 1, cavities 9 are arranged on two sides of the lower end inside the refrigerator main body 1, a baffle plate 11 is fixedly connected to the inner side of each cavity 9, a plurality of vent holes 12 are uniformly arranged on two sides of the front end of each baffle plate 11 from top to bottom, rubber seal rings 13 are fixedly connected to the inner sides of the vent holes 12, the rubber seal rings 13 are divided into four sections, a wind pressure device 10 is fixedly connected to the central position inside the cavity 9, a plurality of fans 17 are uniformly arranged on the front end of the wind pressure device 10 from top to bottom, a separation net is arranged on the outer side of each fan 17, a motor 14 is fixedly connected to the lower end inside the wind pressure device 10, a movable plate 15 is vertically arranged on the left side of the motor 14 and rotates around the lower end of the movable plate, a fixed, the upper end of the interior of the wind pressure device 10 is horizontally and rightwards fixedly connected with a second driven wheel 18, the center position of the right side of the fan 17 is vertically and fixedly connected with a third driven wheel 21, a transmission belt 20 is arranged between the first driven wheel 19 and the second driven wheel 18 in a surrounding mode, the transmission belt 20 is arranged on the outer side of the third driven wheel 21 in a surrounding mode, the diameters of the first driven wheel 19 and the second driven wheel 18 are half of the diameter of the third driven wheel 21, and the transmission belt 20 is convenient to cling to the outer side.
The working principle is as follows: when taking food inside the refrigerator main body 1, a user holds the handle 4, movably opens the refrigerator door 6, the refrigerator door 6 is far away from the limit switch 8, the limit switch 8 starts the motor 14, the motor 14 drives the first driven wheel 19 to rotate, the third driven wheel 21 is driven to rotate by the transmission belt 20, the third driven wheel 21 drives the fan 17 to rotate, wind power is generated, the power generated by the wind power blows off the rubber sealing ring 13 at the lower end and sucks the rubber sealing ring 13 at the upper end, meanwhile, the other end blows and sucks the rubber sealing ring 13 in the opposite direction, so that a wind wall is generated between the vent holes 12 at two sides, the wind wall prevents cold air inside the refrigerator main body 1 from leaking outwards, thereby preventing the internal temperature from suddenly dropping when the refrigerator main body 1 is opened, preventing the refrigerator main body 1 from being refrigerated by electric energy after being opened every time, saving a large amount of energy, and when the motor 14 is damaged, the fixing screw 16 is removed, and then the movable plate 15 is rotated to open the left side of the motor 14, so that the maintenance and replacement of the motor 14 are facilitated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A household refrigerator capable of preventing cold air from leaking comprises a refrigerator main body (1), wherein a hinge (7) is fixedly connected with the lower end of the right side of the refrigerator main body (1), a refrigerator door (6) is fixedly connected with the left side of the hinge (7), a handle (4) is fixedly connected with the lower end of the left side of the refrigerator door (6), a sealing rubber pad (5) is covered on the upper end of the refrigerator door (6), a limit switch (8) is fixedly connected with the upper end of the left side of the refrigerator main body (1), sliding plates (2) are fixedly connected with the two sides inside the refrigerator main body (1) vertically, a storage box (3) is arranged at the front end of each sliding plate (2), cavities (9) are arranged on the two sides of the lower end inside the refrigerator main body (1), a baffle plate (11) is fixedly connected with the inner side of each cavity (9, air vent (12) inside rigid coupling is provided with rubber seal (13), cavity (9) inside central point puts the rigid coupling and is provided with wind pressure device (10), wind pressure device (10) front end top-down evenly is provided with a plurality of fan (17), the inside lower extreme rigid coupling of wind pressure device (10) is provided with motor (14), motor (14) left side is vertical to be provided with fly leaf (15), motor (14) right side central point puts perpendicular rigid coupling and is provided with first from driving wheel (19), the inside upper end level right side rigid coupling of wind pressure device (10) is provided with the second from driving wheel (18), fan (17) right side central point puts perpendicular rigid coupling and is provided with the third from driving wheel (21), first from driving wheel (19) and second around being provided with drive belt (20) from between driving wheel (18).
2. A household cold air leakage preventing refrigerator in accordance with claim 1, wherein: the outer surface of the handle (4) is provided with anti-skid lines in a surrounding mode.
3. A household cold air leakage preventing refrigerator in accordance with claim 1, wherein: the rubber sealing ring (13) is divided into four sections.
4. A household cold air leakage preventing refrigerator in accordance with claim 1, wherein: and a separation net is arranged on the outer side of the fan (17).
5. A household cold air leakage preventing refrigerator in accordance with claim 1, wherein: the upper end of the movable plate (15) is horizontally provided with a fixed screw (16) in a penetrating way.
6. A household cold air leakage preventing refrigerator in accordance with claim 1, wherein: the transmission belt (20) is wound around the outer side of the third driven wheel (21).
7. A household cold air leakage preventing refrigerator in accordance with claim 1, wherein: the diameter of the first driven wheel (19) and the second driven wheel (18) is half of that of the third driven wheel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481110.9A CN109631459B (en) | 2018-12-05 | 2018-12-05 | Household refrigerator capable of preventing cold air from leaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481110.9A CN109631459B (en) | 2018-12-05 | 2018-12-05 | Household refrigerator capable of preventing cold air from leaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631459A CN109631459A (en) | 2019-04-16 |
| CN109631459B true CN109631459B (en) | 2020-11-10 |
Family
ID=66071238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811481110.9A Expired - Fee Related CN109631459B (en) | 2018-12-05 | 2018-12-05 | Household refrigerator capable of preventing cold air from leaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631459B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871188A (en) * | 1973-09-07 | 1975-03-18 | Thermo King Corp | Demountable transportation refrigeration unit |
| JPH08189745A (en) * | 1995-01-09 | 1996-07-23 | Sanyo Electric Co Ltd | Low temperature storage case |
| JP2007010184A (en) * | 2005-06-28 | 2007-01-18 | Royal Electric Co Ltd | Air curtain |
| CN102419057A (en) * | 2011-12-28 | 2012-04-18 | 林勇 | Top-blowing anti-condensation refrigerator |
| CN104344629A (en) * | 2014-01-13 | 2015-02-11 | 海尔集团公司 | Refrigerator and control method for air curtain generation devices in refrigerator |
| CN104848466A (en) * | 2015-05-27 | 2015-08-19 | 南通四方冷链装备股份有限公司 | Air curtain machine |
| CN105276895A (en) * | 2014-07-22 | 2016-01-27 | 苏州三星电子有限公司 | Air-cooling refrigerator |
| CN205690792U (en) * | 2016-06-22 | 2016-11-16 | 尤景全 | A kind of air-curtain door refrigerator |
-
2018
- 2018-12-05 CN CN201811481110.9A patent/CN109631459B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871188A (en) * | 1973-09-07 | 1975-03-18 | Thermo King Corp | Demountable transportation refrigeration unit |
| JPH08189745A (en) * | 1995-01-09 | 1996-07-23 | Sanyo Electric Co Ltd | Low temperature storage case |
| JP2007010184A (en) * | 2005-06-28 | 2007-01-18 | Royal Electric Co Ltd | Air curtain |
| CN102419057A (en) * | 2011-12-28 | 2012-04-18 | 林勇 | Top-blowing anti-condensation refrigerator |
| CN104344629A (en) * | 2014-01-13 | 2015-02-11 | 海尔集团公司 | Refrigerator and control method for air curtain generation devices in refrigerator |
| CN105276895A (en) * | 2014-07-22 | 2016-01-27 | 苏州三星电子有限公司 | Air-cooling refrigerator |
| CN104848466A (en) * | 2015-05-27 | 2015-08-19 | 南通四方冷链装备股份有限公司 | Air curtain machine |
| CN205690792U (en) * | 2016-06-22 | 2016-11-16 | 尤景全 | A kind of air-curtain door refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109631459A (en) | 2019-04-16 |
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Effective date of registration: 20201021 Address after: 221300 No. 88 Liaohe West Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Applicant after: SU Normal University Semiconductor Materials and Equipment Research Institute (Pizhou) Co.,Ltd. Address before: 300387 Tianjin city Xiqing District West Binshui Road No. 399, Tianjin University of Technology Applicant before: Yin Jie |
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Effective date of registration: 20220525 Address after: 221300 506, block B, electronic industrial park, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Bochuang Construction Development Group Co.,Ltd. Address before: No.88 Liaohe West Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: SU Normal University Semiconductor Materials and Equipment Research Institute (Pizhou) Co.,Ltd. |
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Granted publication date: 20201110 |