CN116463738A - Silk thread heat sink that ring spinning technique was woven - Google Patents
Silk thread heat sink that ring spinning technique was woven Download PDFInfo
- Publication number
- CN116463738A CN116463738A CN202310627114.8A CN202310627114A CN116463738A CN 116463738 A CN116463738 A CN 116463738A CN 202310627114 A CN202310627114 A CN 202310627114A CN 116463738 A CN116463738 A CN 116463738A
- Authority
- CN
- China
- Prior art keywords
- cooling box
- plate
- cooling
- box
- spinning
- 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- Withdrawn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
- 238000007378 ring spinning Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title description 3
- 238000001816 cooling Methods 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000009987 spinning Methods 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000578 dry spinning Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to the technical field of spinning cooling, in particular to a silk yarn cooling device woven by a ring spinning technology, which comprises: the cooling box is characterized in that a partition plate is fixedly arranged in the cooling box, a plurality of rows of through holes are uniformly formed in the partition plate, door plates are fixedly arranged at the left end and the right end of the cooling box, a mounting plate is arranged at the upper end of one door plate, a door plate is arranged at the lower end of the other door plate, wire holes are formed in the door plates, and guide rollers are arranged on the inner end side walls of the two door plates; the air inlet pipe is connected with an external air pipe, the water source of the water pipe and the water source of the external wall are connected, air enters into the bellows, then air is uniformly blown to one side of the cooling box through the air outlet hole, air cooling is performed on spinning, water enters into the shunt pipe through the water pipe, and then is sprayed to the other side in the cooling box through the spray head, so that the spinning is rapidly cooled, and the cooling efficiency of the spinning is improved.
Description
Technical Field
The invention relates to the technical field of spinning cooling, in particular to a silk yarn cooling device woven by a ring spinning technology.
Background
The spinning machine is a machine for forming a fiber-forming polymer solution or melt into filaments, and is classified into a wet spinning machine, a melt spinning machine, and a dry spinning machine according to a fiber spinning method.
In the prior art, when the fiber is formed in melt spinning, the spinning is required to be cooled and solidified into fiber by using annular blowing equipment, cooling air blows the spinning at the central position inside an annular blowing sleeve in all directions to cool the spinning, but the pure air cooling effect is limited, and when the spinning is more, the temperature in the sleeve is also higher, heat cannot be rapidly dissipated, the heat taken away by the pure air is extremely limited, and the cooling effect of the reduced spinning is reduced.
Disclosure of Invention
The invention aims to provide a silk yarn cooling device woven by a ring spinning technology, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a yarn cooling device for ring spinning technology spinning, comprising: the cooling box is characterized in that a partition plate is fixedly arranged in the cooling box, a plurality of rows of through holes are uniformly formed in the partition plate, door plates are fixedly arranged at the left end and the right end of the cooling box, a mounting plate is arranged at the upper end of one door plate, a mounting plate is arranged at the lower end of the other door plate, wire holes are formed in the mounting plate, and guide rollers are arranged on the inner end side walls of the two door plates;
the upper side of one end of the cooling box is detachably provided with an air box, the bottom end of the air box is provided with a plurality of air outlet holes, the air outlet holes are communicated with the inside of the cooling box, and the upper end of the air box is provided with an air inlet pipe;
the water pipe is fixedly arranged on the other side of the upper end of the cooling box, a plurality of shunt pipes are uniformly arranged at the lower end of the water pipe, and the lower ends of the shunt pipes enter the cooling box and are fixedly provided with spray heads.
Preferably, the first earplates are fixedly installed on the side walls of the left side and the right side of the outer end of the door plate, the mounting hole is formed in the side wall of the upper end of one door plate, the mounting hole is formed in the side wall of the lower end of the other door plate, the mounting hole is located between the first earplates, the mounting plate is located in the mounting hole, the second earplates are fixedly installed on the outer walls of the left end and the right end of the mounting plate, and the second earplates and the first earplates are fixed through bolts.
Preferably, the supporting legs are fixedly arranged on the side walls of the four sides of the lower end of the cooling box, a plurality of exhaust holes are uniformly formed in the side wall of the lower side of one end of the cooling box, a water guide groove is formed in the inner wall of the lower side of the other end of the cooling box, a drain pipe is fixedly arranged in the middle of the water guide groove, and the exhaust holes and the water guide groove are respectively positioned on the left side and the right side of the partition plate.
Preferably, an opening is formed in the upper side of one end of the cooling box, the opening is located on one side of the partition plate, a rubber pad is mounted on the outer wall of the upper port of the opening, the first fixing plate is fixedly mounted on the front side and the rear side of the upper end of the cooling box, and the first fixing plate is located on the front side and the rear side of the opening.
Preferably, limiting plates are fixedly installed on the side walls of the front side and the rear side of the lower end of the air box, a second fixing plate is fixedly installed on the left side and the right side of the front side and the rear side of the lower side of the air box, the lower end of the air box is placed on a rubber pad, the inner end side wall of the limiting plates are in sliding connection with the side wall of the cooling box, and the first fixing plate is fixedly connected with the second fixing plate through bolts.
Preferably, the upper end opposite side fixed mounting of cooler bin has the roof, and the water pipe is located the upper end of roof, and the one end fixed mounting of water pipe has the installation piece, and the lower extreme of installation piece passes through bolt fixed mounting on the one end lateral wall of cooler bin.
Preferably, the lower end of the water pipe is uniformly and fixedly provided with a plurality of shunt pipes, the lower ends of the shunt pipes penetrate through the top plate and are fixedly provided with spray heads, and the spray heads are positioned above the water guide grooves.
Preferably, two rotating blocks are fixedly arranged at the left end and the right end of the side wall of one mounting plate, a rotating shaft is rotatably connected between the two rotating blocks in the horizontal direction, and a water absorption layer is sleeved on the outer wall of the rotating shaft.
Preferably, the two water absorbing layers are respectively positioned at the upper end and the lower end of the wire hole on the mounting plate.
Preferably, the spinning is arranged in the wire hole of the mounting plate, the spinning passes through the wire hole on the mounting plate 12 near one side of the bellows and enters the cooling box, then enters the other side of the cooling box from the through hole on the partition plate, and then passes through the space between the two water absorption layers after being turned back in the cooling box by the two guide rollers.
Compared with the prior art, the invention has the beneficial effects that:
the air inlet pipe is connected with an external air pipe, the water source of the water pipe and the water source of the external wall are connected, air enters into the bellows, then air is uniformly blown to one side of the cooling box through the air outlet hole, air cooling is performed on spinning, water enters into the shunt pipe through the water pipe, and then is sprayed to the other side in the cooling box through the spray head, so that the spinning is rapidly cooled, and the cooling efficiency of the spinning is improved.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the upper end of the cooling box with the bellows of the present invention removed;
FIG. 4 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 5 is a schematic view of the mounting plate structure of the present invention;
fig. 6 is an enlarged view of the structure of the area a in fig. 3 according to the present invention.
In the figure: 1. a cooling box; 2. an exhaust hole; 3. a partition plate; 4. a through hole; 5. a water guide groove; 6. a drain pipe; 7. a support leg; 8. an opening; 9. a door panel; 10. a first fixing plate; 11. an ear plate I; 12. a mounting plate; 13. a mounting hole; 14. an ear plate II; 15. a guide roller; 16. a rubber pad; 17. a wind box; 18. an air inlet pipe; 19. an air outlet hole; 20. a second fixing plate; 21. a limiting plate; 22. a top plate; 23. a water pipe; 24. a mounting block; 25. a shunt; 26. a spray head; 27. a rotating block; 28. a rotating shaft; 29. a water-absorbing layer; 30. spinning.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.
Embodiment one:
referring to fig. 1 to 6, a yarn cooling device for ring spinning technology comprises: the cooling box 1, the inside of the cooling box 1 is fixedly provided with a baffle plate 3, a plurality of rows of through holes 4 are uniformly formed in the baffle plate 3, door plates 9 are fixedly arranged at the left end and the right end of the cooling box 1, the upper end of one door plate 9 is provided with a mounting plate 12, the lower end of the other door plate 9 is provided with a mounting plate 12, a wire hole (not marked in the figure) is formed in the mounting plate 12, and guide rollers 15 are arranged on the inner end side walls of the two door plates 9; an air box 17 is detachably arranged on the upper side of one end of the cooling box 1, a plurality of air outlet holes 19 are formed in the bottom end of the air box 17, the air outlet holes 19 are communicated with the inside of the cooling box 1, and an air inlet pipe 18 is arranged at the upper end of the air box 17; the other side of the upper end of the cooling box 1 is fixedly provided with a water pipe 23, the lower end of the water pipe 23 is uniformly provided with a plurality of shunt pipes 25, and the lower ends of the shunt pipes 25 enter the cooling box 1 and are fixedly provided with spray heads 26;
the two side walls of the left and right sides of the outer end of the door plate 9 are fixedly provided with the first lug plates 11, the side wall of the upper end of one door plate 9 is provided with the mounting hole 13, the side wall of the lower end of the other door plate 9 is provided with the mounting hole 13, the mounting hole 13 is positioned between the two first lug plates 11, the mounting plate 12 is positioned in the mounting hole 13, the outer walls of the left and right ends of the mounting plate 12 are fixedly provided with the second lug plates 14, the second lug plates 14 and the first lug plates 11 are fixed through bolts, the mounting plate 12 is fixedly arranged on the door plate 9, the effect of facilitating the mounting plate 12 is achieved, when the spinning 30 with different thicknesses is required to be cooled, the lower side of the inner end of the door plate 9 positioned at one end of the air box 17 is rotated to be connected with the guide roller 15, the upper side of the inner end of the other door plate 9 is rotated to be connected with the guide roller 15, the spinning 30 is arranged in the wire hole of the mounting plate 12, the wire hole on one side of the mounting plate 12 passes through the wire hole on the side close to the air box 17 to enter the cooling box 1, the other side of the cooling box 1 from the through hole 4 on the partition plate 3 is fixedly arranged on the other side of the cooling box 1, and then the water passes through the two guide rollers 29 in the cooling box 1;
the other side of the upper end of the cooling box 1 is fixedly provided with a top plate 22, a water pipe 23 is positioned at the upper end of the top plate 22, one end of the water pipe 23 is fixedly provided with a mounting block 24, the lower end of the mounting block 24 is fixedly arranged on the side wall of one end of the cooling box 1 through bolts, the lower end of the water pipe 23 is uniformly and fixedly provided with a plurality of shunt pipes 25, the lower ends of the shunt pipes 25 penetrate through the top plate 22 and are fixedly provided with spray heads 26, and the spray heads 26 are positioned above the water guide grooves 5;
through penetrating the one end of spinning 30 from cooling tank 1 and wearing out the other end, connect the tuber pipe 18 with outside tuber pipe, connect the water source of water pipe 23 and outer wall, the wind enters into bellows 17, then blow to one side of cooling tank 1 through the apopore 19 is even, cool down to the spinning 30 forced air cooling, water enters into shunt tubes 25 through water pipe 23 in, the opposite side in the rethread atomising head 26 spouts cooling tank 1, atomising head 26 is the superfine atomising head, spun water smoke is comparatively tiny, when tiny water smoke and spinning 30 contact, can be to the quick cooling of spinning 30, and spinning 30 makes a round trip in cooling tank 1, improve the cooling efficiency to spinning 30, and tiny water smoke can be quick evaporation, can not cause the influence to the quality of spinning 30.
Embodiment two:
on the basis of the first embodiment, in order to facilitate disassembly and assembly of the bellows 17, the supporting legs 7 are fixedly arranged on the side walls of the four sides of the lower end of the cooling box 1, a plurality of exhaust holes 2 are uniformly formed in the side wall of the lower side of one end of the cooling box 1, a water guide groove 5 is formed in the inner wall of the lower side of the other end of the cooling box, a water drain pipe 6 is fixedly arranged in the middle of the water guide groove 5, the exhaust holes 2 and the water guide groove 5 are respectively positioned on the left side and the right side of the partition plate 3, an opening 8 is formed in the upper side of one end of the cooling box 1, the opening 8 is positioned on one side of the partition plate 3, a rubber gasket 16 is arranged on the outer wall of the upper port of the opening 8, a first fixing plate 10 is fixedly arranged on the front side and the rear side of the upper end of the cooling box 1, a first fixing plate 10 is positioned on the front side and the rear side of the opening 8, a second fixing plate 20 is fixedly arranged on the side wall of the front side and the rear side of the lower end of the bellows 17, the lower end of the first fixing plate 20 is fixedly arranged on the left side and the right side of the lower side of the bellows 17, the lower end of the first fixing plate 20 is placed on the rubber gasket 16, the inner end of the limiting plate 21 is slidingly connected with the side wall of the cooling box 1, and the first fixing plate 20 is fixedly connected through bolts;
the bellows 17 is sleeved on the outer wall of the upper end of the cooling box 1 in a sliding manner through the limiting plate 21, the bolts penetrate through the second fixing plate 20 and the first fixing plate 10 and then are connected with the nuts in a threaded manner, the second fixing plate 20 is pulled to the first fixing plate 10 through screwing the nuts, meanwhile, the bellows 17 moves downwards through the extrusion rubber pad 16, the bellows 17 is fixed at the upper end of the cooling box 1, and the effect of facilitating disassembly and assembly of the bellows 17 is achieved.
Embodiment III:
on the basis of the first embodiment, in order to evaporate water on the spinning 30 rapidly, two rotating blocks 27 are fixedly installed at the left end and the right end of the side wall of one mounting plate 12, a rotating shaft 28 is rotatably connected between the two rotating blocks 27 in the horizontal direction, a water absorbing layer 29 is sleeved on the outer wall of the rotating shaft 28, and the two water absorbing layers 29 are respectively positioned at the upper end and the lower end of a wire hole on the mounting plate 12;
the cooled spinning 30 passes through the space between the two water absorbing layers 29, the water absorbing layers 29 absorb the small water mist remained on the surface of the spinning 30, and then the water on the spinning 30 can be completely evaporated by utilizing the residual temperature remained on the spinning 30.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A yarn cooling device for ring spinning technology spinning, comprising: the cooling box (1) is characterized in that a partition plate (3) is fixedly arranged in the cooling box (1), a plurality of rows of through holes (4) are uniformly formed in the partition plate (3), door plates (9) are fixedly arranged at the left end and the right end of the cooling box (1), a mounting plate (12) is arranged at the upper end of one door plate (9), a mounting plate (12) is arranged at the lower end of the other door plate (9), wire holes are formed in the mounting plate (12), and guide rollers (15) are arranged on the inner end side walls of the two door plates (9);
an air box (17) is detachably arranged at the upper side of one end of the cooling box (1), a plurality of air outlet holes (19) are formed in the bottom end of the air box (17), the air outlet holes (19) are communicated with the inside of the cooling box (1), and an air inlet pipe (18) is arranged at the upper end of the air box (17);
the other side of the upper end of the cooling box (1) is fixedly provided with a water pipe (23), the lower end of the water pipe (23) is uniformly provided with a plurality of shunt pipes (25), and the lower ends of the shunt pipes (25) enter the cooling box (1) and are fixedly provided with spray heads (26).
2. A yarn cooling device as claimed in claim 1, wherein: the side walls of the left side and the right side of the outer end of the door plate (9) are fixedly provided with a first lug plate (11), the side wall of the upper end of one door plate (9) is provided with a mounting hole (13), the side wall of the lower end of the other door plate (9) is provided with a mounting hole (13), the mounting hole (13) is located between the two first earplates (11), the mounting plate (12) is located in the mounting hole (13), the second earplates (14) are fixedly mounted on the outer walls of the left end and the right end of the mounting plate (12), and the second earplates (14) and the first earplates (11) are fixed through bolts.
3. A yarn cooling device as claimed in claim 1, wherein: the cooling box is characterized in that supporting legs (7) are fixedly arranged on the side walls of the four sides of the lower end of the cooling box (1), a plurality of exhaust holes (2) are uniformly formed in the side wall of the lower side of one end of the cooling box (1), a water guide groove (5) is formed in the inner wall of the lower side of the other end of the cooling box, a drain pipe (6) is fixedly arranged in the middle of the water guide groove (5), and the exhaust holes (2) and the water guide groove (5) are respectively located on the left side and the right side of the partition plate (3).
4. A yarn cooling device as claimed in claim 1, wherein: an opening (8) is formed in the upper side of one end of the cooling box (1), the opening (8) is located on one side of the partition plate (3), a rubber pad (16) is mounted on the outer wall of the upper port of the opening (8), a first fixing plate (10) is fixedly mounted on the front side and the rear side of the upper end of the cooling box (1), and the first fixing plate (10) is located on the front side and the rear side of the opening (8).
5. A yarn cooling device as claimed in claim 1, wherein: limiting plates (21) are fixedly mounted on the side walls of the front side and the rear side of the lower end of the air box (17), a fixing plate II (20) is fixedly mounted on the left side and the right side of the front side and the rear side of the lower side of the air box (17), the lower end of the air box (17) is placed on a rubber pad (16), the inner end side wall of the limiting plates (21) is in sliding connection with the side wall of the cooling box (1), and the fixing plate I (10) is fixedly connected with the fixing plate II (20) through bolts.
6. A yarn cooling device as claimed in claim 1, wherein: the cooling box is characterized in that a top plate (22) is fixedly arranged on the other side of the upper end of the cooling box (1), a water pipe (23) is arranged at the upper end of the top plate (22), a mounting block (24) is fixedly arranged at one end of the water pipe (23), and the lower end of the mounting block (24) is fixedly arranged on one end side wall of the cooling box (1) through a bolt.
7. A yarn cooling device as claimed in claim 1, wherein: the lower extreme of water pipe (23) evenly fixed mounting has a plurality of shunt tubes (25), and the lower extreme of shunt tubes (25) passes roof (22) and fixed mounting have atomising head (26), and atomising head (26) are located the top of guiding gutter (5).
8. A yarn cooling device as claimed in claim 1, wherein: two rotating blocks (27) are fixedly arranged at the left end and the right end of the side wall of one mounting plate (12), a rotating shaft (28) is connected between the two rotating blocks (27) in the horizontal direction in a rotating mode, and a water absorbing layer (29) is sleeved on the outer wall of the rotating shaft (28).
9. A yarn cooling device as claimed in claim 8, wherein: the two water absorption layers (29) are respectively positioned at the upper end and the lower end of the wire hole on the mounting plate (12).
10. A yarn cooling device as claimed in claim 1, wherein: the spinning device is characterized in that a spinning (30) is arranged in a wire hole of the mounting plate (12), the spinning (30) penetrates through the wire hole on the mounting plate 12 close to one side of the bellows (17) to enter the cooling box (1), then enters the other side of the cooling box (1) from the through hole (4) on the partition plate (3), and then penetrates out from the space between the two water absorption layers (29) after being folded back in the cooling box (1) through the two guide rollers (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310627114.8A CN116463738A (en) | 2023-05-30 | 2023-05-30 | Silk thread heat sink that ring spinning technique was woven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310627114.8A CN116463738A (en) | 2023-05-30 | 2023-05-30 | Silk thread heat sink that ring spinning technique was woven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116463738A true CN116463738A (en) | 2023-07-21 |
Family
ID=87175641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310627114.8A Withdrawn CN116463738A (en) | 2023-05-30 | 2023-05-30 | Silk thread heat sink that ring spinning technique was woven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116463738A (en) |
-
2023
- 2023-05-30 CN CN202310627114.8A patent/CN116463738A/en not_active Withdrawn
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230721 |
|
| WW01 | Invention patent application withdrawn after publication |