CN112477080A - Hot straightening device for thermoplastic parts - Google Patents
Hot straightening device for thermoplastic parts Download PDFInfo
- Publication number
- CN112477080A CN112477080A CN202011448168.0A CN202011448168A CN112477080A CN 112477080 A CN112477080 A CN 112477080A CN 202011448168 A CN202011448168 A CN 202011448168A CN 112477080 A CN112477080 A CN 112477080A
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- operation box
- screw rod
- correction
- bottom end
- 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.)
- Withdrawn
Links
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 22
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 238000005057 refrigeration Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011550 stock solution Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/16—Straightening or flattening
- B29C53/18—Straightening or flattening of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses a thermoplastic part thermal correction device, and relates to the technical field of thermoplastic part correction instruments. It comprises an operation box; the bottom end of the operation box is transversely provided with a sliding chute; the left part and the right part of the outer side surface of the bidirectional screw rod are respectively connected with a screw rod nut in a meshing way; the top ends of the screw nuts are fixedly provided with clamping plates; the outer side walls of the clamping plates are fixedly sleeved with protective pads; a sliding block is arranged in the adjusting opening in a sliding way; the bottom end of the sliding block is fixedly connected with a correcting bag; a liquid storage tank is fixedly arranged at the bottom end of the operating box; the top end and the bottom end of the semiconductor refrigeration piece are respectively provided with a conduction piece; circulating pumps are respectively arranged in the liquid storage cavities. The invention has the beneficial effects that: semiconductor refrigeration piece heats and the refrigeration treatment back to the correction liquid that the stock solution intracavity was filled, with the panel centre gripping of required correction, then will add correction liquid and pump respectively to correct in the bag and heat to panel and mould the type and correct to after correcting with its cooling design and accomplish the correction, it is more convenient to use, improves and corrects the effect, uses more reliably.
Description
Technical Field
The invention relates to the technical field of thermoplastic correcting instruments.
Background
The thermoplastic part is formed by processing thermoplastic plastics, the thermoplastic part such as a plate and the like usually deforms after being formed, and the use of the thermoplastic part is influenced, when the deformed plate is corrected, extrusion force is usually applied to the deformed plate to perform hard correction on the deformed plate, and after the deformed plate is corrected in place, the plate is usually deformed again, so that the correction effect is not ideal, and therefore the thermoplastic part can be corrected thermally according to the characteristics of the thermoplastic material to improve the correction effect.
Disclosure of Invention
The invention aims to solve the technical problem and provides a thermoplastic piece thermal straightening device aiming at the technical defects. Semiconductor refrigeration piece heats and the refrigeration treatment back to the correction liquid that the stock solution intracavity was filled, with the panel centre gripping of required correction, then will add correction liquid and pump respectively to correct in the bag and heat to panel and mould the type and correct to after correcting with its cooling design and accomplish the correction, it is more convenient to use, improves and corrects the effect, uses more reliably.
The technical scheme adopted by the invention is as follows: the thermoplastic thermal straightening device comprises an operation box; the rear end of the operation box is provided with an operation port; the bottom end of the operation box is transversely provided with a sliding chute; a bidirectional screw rod is rotatably arranged in the chute; the left part and the right part of the outer side surface of the bidirectional screw rod are respectively connected with a screw rod nut in a meshing way; the screw nut is in sliding connection and matching with the sliding chute; the top ends of the screw nuts are fixedly provided with clamping plates; the outer side walls of the clamping plates are fixedly sleeved with protective pads; the top end of the operation box is transversely provided with an adjusting opening; a sliding block is arranged in the adjusting opening in a sliding way; the bottom end of the sliding block is fixedly connected with a correcting bag; a liquid storage tank is fixedly arranged at the bottom end of the operating box; a semiconductor refrigerating sheet is arranged in the liquid storage tank; the top end and the bottom end of the semiconductor refrigeration piece are respectively provided with a conduction piece; the conduction pieces are respectively fixedly connected with the inner side wall of the liquid storage tank in a sealing way; the liquid storage tank is divided into liquid storage cavities which are distributed up and down by the conduction pieces; circulating pumps are respectively arranged in the liquid storage cavities; the circulating pumps are respectively communicated with circulating pipes; the circulating pipes respectively penetrate through the operation box in a sealing way and upwards penetrate through the sliding block to be communicated with the correcting bag; the upper part and the lower part of the side wall of the liquid storage tank are respectively provided with a control valve; the control valves are respectively communicated with the liquid storage cavities.
Further optimize this technical scheme, install vibrating motor respectively in the stock solution intracavity of hot orthotic devices of heat moulding.
Further optimize this technical scheme, install the operation window in the operation mouth of hot orthotic devices of hot plastic component.
Further optimizing the technical scheme, the left end and the right end of a bidirectional screw rod of the thermoplastic part thermal correction device respectively penetrate out of the operation box and are in rotating connection and matching with the operation box; handles are respectively arranged on the left part and the right part of the outer side wall of the bidirectional screw rod.
The invention has the beneficial effects that:
1. the correcting liquid with proper solution is filled into the liquid storage cavity, the semiconductor refrigerating sheet works to act and the conducting sheet respectively heats and refrigerates the correcting liquid filled in the liquid storage cavity, so that the thermoplastic sheet material to be corrected can be conveniently heated and timely cooled to be corrected, the correcting liquid is filled into the liquid storage cavity according to the actual use condition, and then the semiconductor refrigerating sheet is electrified to operate;
2. when the thermoplastic plate is corrected, required correction liquid is filled in the liquid storage cavity, the semiconductor refrigerating sheet works, the semiconductor refrigerating sheet has the characteristics of refrigerating and heating at the same time during working, so that the correction liquid filled in the liquid storage cavity is respectively heated and refrigerated through the conducting sheet, then the semiconductor refrigerating sheet is pumped to the correction bag through the circulating pump to be in contact extrusion with the plate, so that the plate is heated, molded and corrected, and is rapidly cooled after being corrected to be shaped so as to finish the correction, the use is more convenient and the correction efficiency is improved;
3. when the semiconductor refrigerating sheet heats and refrigerates the correction liquid filled in the liquid storage cavity, the vibration motor is started to vibrate the correction liquid in the liquid storage cavity, so that the correction liquid is heated and refrigerated more uniformly, and the heating and refrigerating efficiency is improved;
and rotate two-way screw rod and adjust the grip block position and carry out the centre gripping to panel through the handle when rectifying to panel, it is more convenient to adjust to when rectifying to panel, close and avoid panel to receive external environment to disturb and damage through closing the operation window to the operation mouth, use more reliably.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a drawing schematic view of the structure of the operation box of the present invention;
FIG. 4 is a schematic drawing showing the structure of the liquid storage tank of the present invention;
FIG. 5 is a schematic view of a slider structure according to the present invention.
In the figure, 1, an operation box; 2. an operation port; 3. a chute; 4. a bidirectional lead screw; 5. a lead screw nut; 6. a clamping plate; 7. a protective pad; 8. an adjustment port; 9. a slider; 10. a correction balloon; 11. a liquid storage tank; 12. a semiconductor refrigeration sheet; 13. a conductive sheet; 14. a liquid storage cavity; 15. a circulation pump; 16. a circulation pipe; 17. a control valve; 18. a vibration motor; 19. an operating window; 20. a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the thermoplastic thermal straightening device comprises an operation box 1; the rear end of the operation box 1 is provided with an operation port 2; the bottom end in the operation box 1 is provided with a sliding chute 3 along the transverse direction; a bidirectional screw rod 4 is rotatably arranged in the chute 3; the left part and the right part of the outer side surface of the bidirectional screw rod 4 are respectively connected with a screw rod nut 5 in a meshing way; the screw nut 5 is matched with the chute 3 in a sliding connection way; the top ends of the screw nuts 5 are fixedly provided with clamping plates 6; the outer side walls of the clamping plates 6 are fixedly sleeved with protective pads 7; the top end of the operation box 1 is transversely provided with an adjusting opening 8; a slide block 9 is arranged in the adjusting opening 8 in a sliding way; the bottom end of the sliding block 9 is fixedly connected with a correcting bag 10; the bottom end of the operation box 1 is fixedly provided with a liquid storage box 11; a semiconductor refrigerating sheet 12 is arranged in the liquid storage tank 11; the top end and the bottom end of the semiconductor refrigeration sheet 12 are respectively provided with a conduction sheet 13; the conduction pieces 13 are respectively fixedly connected with the inner side wall of the liquid storage tank 11 in a sealing way; the conduction sheets 13 divide the liquid storage tank 11 into liquid storage cavities 14 which are distributed up and down; the liquid storage cavities 14 are internally provided with circulating pumps 15 respectively; the circulating pumps 15 are respectively communicated with circulating pipes 16; the circulating pipes 16 respectively penetrate through the operation box 1 in a sealing way and upwards penetrate through the sliding blocks 9 to be communicated with the correcting bags 10; the upper part and the lower part of the side wall of the liquid storage tank 11 are respectively provided with a control valve 17; the control valves 17 are respectively communicated with the liquid storage cavities 14; the liquid storage cavities 14 are internally provided with vibration motors 18 respectively; an operation window 19 is arranged in the operation opening 2; the left end and the right end of the bidirectional screw rod 4 respectively penetrate out of the operation box 1 and are in rotating connection and matching with the operation box 1; the left and right parts of the outer side wall of the bidirectional screw rod 4 are respectively provided with a handle 20.
When the device is used for correcting a thermoplastic plate, correction liquid is respectively filled in the liquid storage cavity 14 through the control valve 17, the correction liquid can be a solution made of a proper material according to the actual use condition, after a proper amount of correction liquid is filled in the liquid storage cavity 14, the semiconductor refrigerating sheet 12 is electrified to work, the semiconductor refrigerating sheet 12 has the characteristic of refrigerating and heating one surface and acts on the conducting sheet 13 connected with the semiconductor refrigerating sheet 12 respectively so as to respectively refrigerate and heat the correction liquid in the liquid storage cavity 14, and in the heating and refrigerating processes of the semiconductor refrigerating sheet 13, the vibration motor 18 is started to respectively vibrate the correction liquid in the liquid storage cavity 14, so that the heating and refrigerating are more uniform, and the heating and refrigerating efficiency is improved;
when the semiconductor refrigeration piece 12 heats and refrigerates the correction liquid, the operation window 19 is opened to place a thermoplastic plate to be corrected between the clamping plates 6 in the operation box 1, then the position of the clamping plate 6 is adjusted by rotating the bidirectional screw 4 and the screw nut 5 to clamp the plate, the protective pad 7 on the outer wall of the clamping plate 6 avoids damaging the plate, and after the clamping plate 6 clamps the plate in place, the position of the correction bag 10 is adjusted through the slide block 9 to correct the plate;
after the correcting bag 10 is adjusted to be in place, the heated correcting liquid in the liquid storage cavity 14 is extracted and filled into the correcting bag 10 by starting the circulating pump 15, so that the correcting bag expands and deforms and performs contact extrusion on the correcting position required by the plate, at the moment, the heated correcting liquid filled in the correcting bag 10 performs heating treatment on the correcting position of the plate, the correcting bag 10 performs heating correction on the plate by extruding the correcting bag, after the correcting bag is in place, the circulating pump 15 extracts the correcting liquid in the correcting bag 10, and simultaneously, the circulating pump 15 in the other liquid storage cavity 14 is started to fill the refrigerated correcting liquid into the correcting bag 10, the corrected plate is rapidly cooled along with the extraction of the heated correcting liquid and the filling of the refrigerated correcting liquid into the correcting bag 10, so that the corrected plate is rapidly shaped, the correcting operation is completed, the correcting liquid filled in the correcting bag 10 is pumped back after the correcting bag 10 is completed, and the position of the clamping plate 6 is adjusted to take down the plate, so that the operation is convenient and fast.
Claims (4)
1. A thermal orthotic device for thermoplastic articles, comprising: comprises an operation box (1); the rear end of the operation box (1) is provided with an operation opening (2); the bottom end in the operation box (1) is provided with a sliding chute (3) along the transverse direction; a bidirectional screw rod (4) is rotatably arranged in the chute (3); the left part and the right part of the outer side surface of the bidirectional screw rod (4) are respectively connected with a screw rod nut (5) in a meshing way; the screw nut (5) is in sliding connection and matching with the chute (3); the top ends of the screw rod nuts (5) are fixedly provided with clamping plates (6); the outer side walls of the clamping plates (6) are fixedly sleeved with protective pads (7); the top end of the operation box (1) is transversely provided with an adjusting opening (8); a sliding block (9) is arranged in the adjusting opening (8) in a sliding way; the bottom end of the sliding block (9) is fixedly connected with a correcting bag (10); the bottom end of the operation box (1) is fixedly provided with a liquid storage box (11); a semiconductor refrigerating sheet (12) is arranged in the liquid storage tank (11); the top end and the bottom end of the semiconductor refrigeration sheet (12) are respectively provided with a conduction sheet (13); the conduction pieces (13) are respectively fixedly connected with the inner side wall of the liquid storage tank (11) in a sealing way; the conduction pieces (13) respectively divide the liquid storage tank (11) into liquid storage cavities (14) which are distributed up and down; the liquid storage cavities (14) are internally provided with circulating pumps (15) respectively; the circulating pumps (15) are respectively communicated with circulating pipes (16); the circulating pipes (16) respectively penetrate through the operation box (1) in a sealing way and upwards penetrate through the sliding blocks (9) to be communicated with the correcting capsules (10); the upper part and the lower part of the side wall of the liquid storage tank (11) are respectively provided with a control valve (17); the control valves (17) are respectively communicated with the liquid storage cavities (14).
2. The thermoplastic thermal straightening device of claim 1, wherein: vibration motors (18) are respectively arranged in the liquid storage cavities (14).
3. The thermoplastic thermal straightening device of claim 1, wherein: an operation window (19) is arranged in the operation opening (2).
4. The thermoplastic thermal straightening device of claim 1, wherein: the left end and the right end of the bidirectional screw rod (4) respectively penetrate out of the operation box (1) and are in rotating connection and matching with the operation box (1); the left part and the right part of the outer side wall of the bidirectional screw rod (4) are respectively provided with a handle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448168.0A CN112477080A (en) | 2020-12-09 | 2020-12-09 | Hot straightening device for thermoplastic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448168.0A CN112477080A (en) | 2020-12-09 | 2020-12-09 | Hot straightening device for thermoplastic parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112477080A true CN112477080A (en) | 2021-03-12 |
Family
ID=74941632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011448168.0A Withdrawn CN112477080A (en) | 2020-12-09 | 2020-12-09 | Hot straightening device for thermoplastic parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112477080A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2902105A1 (en) * | 2006-06-13 | 2007-12-14 | Essilor Int | METHOD FOR BONDING A FILM TO A CURVED SUBSTRATE |
| CN101585059A (en) * | 2009-04-10 | 2009-11-25 | 无锡华联精工机械有限公司 | Plate straightener |
| RU2387801C1 (en) * | 2009-04-17 | 2010-04-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Pipe flaring device |
| DE202010007546U1 (en) * | 2010-05-27 | 2010-08-26 | Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh | Pneumatic straightening device |
| CN102418489A (en) * | 2011-12-15 | 2012-04-18 | 西安通源石油科技股份有限公司 | Shape correcting machine for reshaping oil-gas well sleeve |
| CN203157130U (en) * | 2013-02-28 | 2013-08-28 | 深圳市友通塑焊机械有限公司 | Plastic component correcting device |
| CN105710163A (en) * | 2016-04-21 | 2016-06-29 | 中船黄埔文冲船舶有限公司 | Hull flame deformation correction auxiliary tooling |
| CN108437422A (en) * | 2018-05-18 | 2018-08-24 | 孟玉 | A kind of plastic tube shape apparatus for correcting and method for plastic pipe production line |
| CN209094227U (en) * | 2018-11-15 | 2019-07-12 | 天津一洋科技有限公司 | A kind of molding apparatus for correcting of aluminium alloy |
| CN211616597U (en) * | 2019-12-30 | 2020-10-02 | 浙江安吉亨运家具有限公司 | Injection molding orthopedic clamp |
| CN211942059U (en) * | 2020-02-28 | 2020-11-17 | 丽清电子科技(东莞)有限公司 | LED car light module U type soft board is bent and is straightened improvement device |
-
2020
- 2020-12-09 CN CN202011448168.0A patent/CN112477080A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2902105A1 (en) * | 2006-06-13 | 2007-12-14 | Essilor Int | METHOD FOR BONDING A FILM TO A CURVED SUBSTRATE |
| CN101585059A (en) * | 2009-04-10 | 2009-11-25 | 无锡华联精工机械有限公司 | Plate straightener |
| RU2387801C1 (en) * | 2009-04-17 | 2010-04-27 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Pipe flaring device |
| DE202010007546U1 (en) * | 2010-05-27 | 2010-08-26 | Hohenstein Vorrichtungsbau Und Spannsysteme Gmbh | Pneumatic straightening device |
| CN102418489A (en) * | 2011-12-15 | 2012-04-18 | 西安通源石油科技股份有限公司 | Shape correcting machine for reshaping oil-gas well sleeve |
| CN203157130U (en) * | 2013-02-28 | 2013-08-28 | 深圳市友通塑焊机械有限公司 | Plastic component correcting device |
| CN105710163A (en) * | 2016-04-21 | 2016-06-29 | 中船黄埔文冲船舶有限公司 | Hull flame deformation correction auxiliary tooling |
| CN108437422A (en) * | 2018-05-18 | 2018-08-24 | 孟玉 | A kind of plastic tube shape apparatus for correcting and method for plastic pipe production line |
| CN209094227U (en) * | 2018-11-15 | 2019-07-12 | 天津一洋科技有限公司 | A kind of molding apparatus for correcting of aluminium alloy |
| CN211616597U (en) * | 2019-12-30 | 2020-10-02 | 浙江安吉亨运家具有限公司 | Injection molding orthopedic clamp |
| CN211942059U (en) * | 2020-02-28 | 2020-11-17 | 丽清电子科技(东莞)有限公司 | LED car light module U type soft board is bent and is straightened improvement device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210999627U (en) | Plastic mold capable of being cooled and shaped quickly | |
| CN112477080A (en) | Hot straightening device for thermoplastic parts | |
| CN110667063A (en) | Injection mold | |
| CN109682184A (en) | A kind of apparatus for baking of solid contact heat transfer | |
| CN211467265U (en) | Automatic injection molding mold | |
| CN207000952U (en) | film bag heat-sealing device | |
| CN112170590B (en) | Die forming equipment | |
| CN104275763B (en) | A kind of hot-pressing forming system of foaming product | |
| CN216138285U (en) | Rotary automatic hot press for producing green environment-friendly bowl | |
| CN216230282U (en) | Cooling device for plastic mold | |
| CN215283223U (en) | Injection mold is used in processing of automotive interior plastics spare part | |
| CN214188328U (en) | Quick cooling and quick heating oil type mold temperature controller | |
| CN208867502U (en) | Injection molding machine cooling system | |
| CN210725363U (en) | Cast aluminum heater convenient to open fast | |
| CN220499870U (en) | Heating and temperature controlling structure of mold closing machine mold | |
| CN217970201U (en) | Antiseptic capper for production line | |
| CN220524652U (en) | Energy-saving electric heating equipment | |
| CN215887126U (en) | Automatic temperature control rapid thermal treatment curing device | |
| CN114516156B (en) | Multi-station electric appliance door inner container vacuum forming integrated machine | |
| CN221540697U (en) | Water system tube sealing machine equipment | |
| CN213856701U (en) | Cooling and conveying device for high-voltage electrical appliance stamping part | |
| CN211492730U (en) | Cooling device of plastic mold for socket production | |
| CN220411120U (en) | Vacuum packaging equipment for semen trichosanthis | |
| CN219235903U (en) | Silicone rubber mold | |
| CN216329899U (en) | Automobile rubber mold makes with cooling auxiliary device who has insulation construction |
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 | ||
| CB02 | Change of applicant information |
Address after: 325000 Wenzhou City National University Science Park incubator, No. 38 Dongfang South Road, Ouhai District, Wenzhou, Zhejiang Applicant after: WENZHOU VOCATIONAL & TECHNICAL College Address before: 325000 Cha Shan High Education Park in Wenzhou, Zhejiang and 81 Chiang Jia Qiao, Wenzhou. Applicant before: WENZHOU VOCATIONAL & TECHNICAL College |
|
| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210312 |
|
| WW01 | Invention patent application withdrawn after publication |