CN212288286U - Gum dipping mechanism is used in production of glass fiber insulating rod - Google Patents
Gum dipping mechanism is used in production of glass fiber insulating rod Download PDFInfo
- Publication number
- CN212288286U CN212288286U CN202020699785.7U CN202020699785U CN212288286U CN 212288286 U CN212288286 U CN 212288286U CN 202020699785 U CN202020699785 U CN 202020699785U CN 212288286 U CN212288286 U CN 212288286U
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- sieve
- groove
- plate
- rod
- 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
Images
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model discloses a gumming mechanism is used in production of glass fiber insulating rod relates to the insulating rod processing, aims at solving glass fiber gumming and impartial and smuggleing the bubble secretly, leads to the easy cracked problem of insulating rod, and its technical scheme main points are: including being used for holding soaking the groove of glue solution, its characterized in that: the two ends of the dipping tank are detachably connected with a first sieve plate and a second sieve plate respectively, the first sieve plate and the second sieve plate are used for sieving a plurality of glass fibers and pass through the dipping tank, a glue dipping plate used for extruding the glass fibers into the dipping tank is connected in the dipping tank in a sliding mode, and glue scraping holes used for containing the glass fibers to penetrate through are distributed in the glue dipping plate in an array mode. The utility model discloses a crisscross sieve one, the rubber dipping plate and the sieve two that set up make the glass fiber who restraints the form keep the state of slope around the gumming to through scraping gluey hole on the rubber dipping plate, extrude the bubble on glass fiber surface, make it break, solve the problem that glass fiber gumming does not thoroughly carry the bubble, improve the finished product quality of insulating rod.
Description
Technical Field
The utility model relates to an insulating rod processing, more specifically say, it relates to a gumming mechanism is used in production of glass fiber insulating rod.
Background
After the glass fiber is dipped in a dipping tank at normal pressure, the glass fiber is heated and cured by a forming die and is continuously extruded and drawn to form the composite insulating rod for producing the glass fiber. Because the glass fiber is dipped in the glue at normal pressure when passing through the dipping tank, the problems of the glass fiber that the dipping is not thorough and the glass fiber is easy to carry air bubbles are easy to occur, so that the produced insulating rod is easy to break and the quality is unreliable.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a gumming mechanism is used in production of glass fiber insulating rod, through sieve one, gumming plate and the sieve two of crisscross setting, the glass fiber who makes the beam form keeps the state of slope around the gumming to through scraping gluey hole on the gumming plate, extrude the bubble on glass fiber surface, make it break, solve the problem that glass fiber gumming does not thoroughly carry the bubble, improve the finished product quality of insulating rod.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a gumming mechanism is used in production of glass fiber insulating rod, is including the dip tank that is used for holding the glue solution, the both ends of dip tank can be dismantled respectively and be connected with sieve one and sieve two, sieve one and sieve dual-purpose are used for sieving a plurality of glass fiber through the dip tank, sliding connection has the gumming plate that is used for extrudeing glass fiber to the dip tank in the dip tank, the array distribution has the frictioning hole that is used for holding glass fiber and passes on the gumming plate.
Through adopting above-mentioned technical scheme, through set up sieve one and sieve two at the dip tank both ends, and set up the rubber dipping plate in the dip tank, and seted up on the rubber dipping plate and scraped the gluey hole, make the glass fiber of bundle form can pass through sieve one and sieve two in proper order, can be even with the glue solution contact, and improve glass fiber's gumming effect, and through scraping gluey hole on the rubber dipping plate, make glass fiber soak the glue solution and when scraping gluey hole, destroy the tension on glass fiber surface, make the bubble difficult absorption at glass fiber surface under the rubber dipping plate and the frictioning hole frictioning effect, solved and easily smuggle the bubble secretly among the glass fiber and lead to the cracked condition of insulating rod.
The utility model discloses further set up to: the first sieve plate is clamped at the top end of the dipping tank, and the horizontal height of the dipping plate is lower than that of the first sieve plate.
Through adopting above-mentioned technical scheme, the top of sieve one through the mode installation of joint and immersion tank makes things convenient for people's installation to sieve one to the level of dipping plywood is less than sieve one, makes glass fiber through the sieve temporarily, can be slow dip to the immersion tank in, reduces the production of bubble, improves the quality of glass fiber gumming.
The utility model discloses further set up to: the glue soaking device is characterized in that glue overflowing grooves arranged along the length direction of the soaking groove are formed in the two sides of the soaking groove, a connecting frame fixedly connected with the soaking groove is arranged at the upper end of each glue overflowing groove, and a displacement assembly used for connecting a glue soaking plate is connected onto each glue overflowing groove and the connecting frame in a sliding mode.
By adopting the technical scheme, through the arrangement of the glue overflow groove, when the glue solution is injected or the glass fiber is immersed into the glue solution, the overflowed glue solution is collected, the situation that the glue solution overflows to the ground to cause the pollution of a workshop is avoided, the position of the glue dipping plate can be adjusted through the displacement assembly, the inclination angle of the glass fiber passing through the first sieve plate and the glue dipping plate is changed, and the glue dipping effect is improved.
The utility model discloses further set up to: the displacement assembly comprises vertical rods which are connected to two sides of the dipping tank in a sliding mode and a transverse rod which is used for connecting the dipping plates, a sliding groove which is vertically arranged is formed in each vertical rod, and a fastening bolt which is in threaded connection with the connecting frame and the sliding groove is connected in the sliding groove in a sliding mode.
Through adopting above-mentioned technical scheme, through setting up the spout on the montant to connect erecting version and link, excessive gluey groove through fastening bolt, and then adjust the position of erecting the version, make things convenient for people's operation.
The utility model discloses further set up to: a plurality of adjusting rods arranged in parallel are arranged between the glue dipping plate and the cross rod, and the adjusting rods are used for adjusting the distance between the cross rod and the glue dipping plate.
By adopting the technical scheme, the eccentrically arranged adjusting rod is arranged between the cross rod and the impregnated plate, the distance between the cross rod and the impregnated plate can be adjusted, the adjusting range of the longitudinal position of the impregnated plate can be enlarged by matching with the arrangement of the vertical plate, the adjustment of people on the impregnated plate is facilitated, and the impregnation effect of the glass fiber is improved.
The utility model discloses further set up to: the adjusting rod is provided with a guide groove arranged along the length direction of the adjusting rod, and the cross rod is detachably connected with a fixing piece used for extruding the adjusting rod to fix the adjusting rod.
Through adopting above-mentioned technical scheme, through the setting of guide slot, make regulation pole and horizontal pole sliding connection to through the setting of mounting, can provide the effort of adjusting the pole extrusion horizontal pole, thereby improve the joint strength between regulation pole and the horizontal pole.
The utility model discloses further set up to: the connecting frame and the top fixedly connected with of soaking the groove have two grip blocks that the symmetry set up, the caulking groove that is used for holding sieve one is seted up to the opposite face of grip block.
Through adopting above-mentioned technical scheme, through setting up the grip block that two symmetries set up, and set up the caulking groove on the grip block for sieve one can be firm be connected with soaking the groove, and make things convenient for the installation of people to sieve one.
The utility model discloses further set up to: one end sliding connection who soaks the groove has the crane, the crane is Jiong shapes, the vertical end and the link of crane and overflow gluey groove sliding connection, the horizontal end of crane is located the upper end that soaks the groove and can dismantle with sieve two and be connected.
By adopting the technical scheme, the second sieve plate can be driven to longitudinally displace through the arrangement of the lifting frame, so that after the glass fiber is regulated to be subjected to gum dipping operation through the gum dipping plate, the inclination angle of the glue solution moved out of the glass fiber is regulated, the redundant glue solution on the surface of the glass fiber flows into the dipping tank along the inclined glass fiber under the action of gravity, and the redundant glue solution is blocked through the second sieve plate, so that the gum dipping effect of the glass fiber is improved.
The utility model discloses further set up to: the horizontal end of the lifting frame is provided with a through groove which runs through the lifting frame, a sliding rail which is located below the lifting frame is arranged on the inner wall of the soaking groove, the top end of the second sieve plate runs through the through groove and is detachably connected with the lifting frame, and the bottom end of the second sieve plate is slidably connected with the sliding rail.
Through adopting above-mentioned technical scheme, logical groove is seted up to the horizontal end of crane for inlay in the horizontal end of crane on the top of sieve two, and through the setting that soaks the inslot slide rail, when can adjust in the position of sieve two, play the guide effect to sieve two, and improve sieve two and the joint strength who soaks the groove.
To sum up, the utility model discloses following beneficial effect has:
through set up sieve one and sieve two at the dip tank both ends, and set up the rubber dipping plate in the dip tank, and seted up on the rubber dipping plate and scraped the gluey hole, make the glass fiber of bundle form can pass through sieve one and sieve two in proper order, can be even with the glue solution contact, and improve glass fiber's impregnation effect, and through scraping gluey hole on the rubber dipping plate, make glass fiber soak the glue solution and when scraping gluey hole, destroy the tension on glass fiber surface, make the bubble be difficult for adsorbing at the glass fiber surface under the rubber dipping plate and the frictioning hole frictioning effect, the easy condition of smuggleing the bubble and leading to the easy fracture of insulating rod of smuggleing secretly in the glass fiber has been solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 1. soaking the tank; 2. a first sieve plate; 3. a second sieve plate; 4. dipping the rubber plate; 5. scraping a glue hole; 6. a glue overflow groove; 7. a connecting frame; 8. a vertical rod; 9. a cross bar; 10. a chute; 11. fastening a bolt; 12. adjusting a rod; 13. A guide groove; 14. a fixing member; 15. a clamping plate; 16. a lifting frame; 17. a slide rail.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A gum dipping mechanism for producing a glass fiber insulating rod is shown in figure 1 and comprises a dipping tank 1 for containing gum solution, gum overflow tanks 6 arranged along the length direction of the dipping tank 1 are arranged at the two sides of the dipping tank 1, a connecting frame 7 fixedly connected with the dipping tank 1 is arranged at the upper ends of the gum overflow tanks 6, two symmetrically arranged clamping plates 15 are welded at the top ends of the connecting frame 7 and the immersion tank 1, the opposite surfaces of the clamping plates 15 are inwards sunken to form embedded grooves for accommodating the first sieve plates 2, in the embodiment, the caulking groove penetrates from the top end of the clamping plate 15 to the top surface of the dipping tank 1, so that the first sieve plate 2 is detachably connected at one end of the dipping tank 1, and one end of the soaking tank 1 far away from the first sieve plate 2 is detachably connected with a second sieve plate 3 through a lifting frame 16, in this embodiment, set up the through-hole of array distribution on sieve one 2 and the sieve two 3 for sieve one 2 and sieve two 3 can be in order to sieve the glass fiber process of a plurality of bundles of form and soak groove 1.
Refer to fig. 1 and 3 and show, wherein, crane 16 is Jiong shape, crane 16's horizontal end is seted up and is run through crane 16's logical groove, make the top of two 3 sieve inlay in logical inslot, and the top of two 3 sieve bonds and has the limiting plate that is located logical groove top, and the limiting plate passes through bolt and crane 16 fixed connection, realize that two 3 sieve can dismantle with crane 16 and be connected, and the welding has the slide rail 17 of vertical setting on soaking the inner wall of groove 1, and track in the slide rail 17 and logical groove displacement on the same vertical plane, make the bottom sliding connection of two 3 sieve in slide rail 17, and crane 16's vertical end has seted up the guide way, and sliding connection has the fixing bolt with link 7 and the 6 threaded connection of excessive gluey groove in the guide way, fixing bolt extrusion crane 16 is used for limiting crane 16's displacement.
Referring to fig. 1 and 2, a dip tank 1 is slidably connected with a dip plate 4 for extruding glass fibers into the dip tank 1, glue scraping holes 5 for accommodating the glass fibers to pass through are distributed in an array on the dip plate 4, a glue overflow tank 6 and a connecting frame 7 are slidably connected with a displacement assembly for connecting the dip plate 4, the displacement assembly comprises vertical rods 8 slidably connected to two sides of the dip tank 1 and a cross rod 9 for connecting the dip plate 4, a plurality of parallel adjusting rods 12 are arranged between the dip plate 4 and the cross rod 9, a guide groove 13 arranged along the length direction of the adjusting rod 12 is arranged on the adjusting rod 12, a fixing part 14 for extruding the adjusting rod 12 to fix the adjusting rod 12 is connected on the cross rod 9 in a threaded manner, the fixing part 14 is a bolt, the adjusting rod 12 can adjust the distance between the cross rod 9 and the dip plate 4, and the horizontal height of the dip plate 4 is lower than one 2 during the dipping operation, and a sliding groove 10 which is vertically arranged is formed in the vertical rod 8, and a fastening bolt 11 which is in threaded connection with the connecting frame 7 and the sliding groove 10 is connected in the sliding groove 10 in a sliding mode.
Referring to fig. 1 to 3, a first threaded hole and a second threaded hole are formed in the side walls of the connecting frame 7 and the glue overflow groove 6, the first threaded hole and the second threaded hole are in threaded connection with a fastening bolt 11, the first threaded hole on the connecting frame 7 horizontally penetrates through the connecting frame 7, the second threaded hole is distributed in an array mode along the length direction of the glue overflow groove 6, the depth of the second threaded hole is smaller than the thickness of the groove wall of the glue overflow groove, and the first threaded hole and the second threaded hole are arranged to achieve horizontal displacement of the displacement assembly.
The working process is as follows: during the impregnation operation, firstly, the fastening bolt 11 is unscrewed to separate the vertical plate from the oil spilling tank and the connecting frame 7, the horizontal position of the vertical rod 8 is adjusted through the arrangement of the first threaded hole, the second threaded hole and the fastening bolt 11, the horizontal height of the cross rod 9 is adjusted, then, the distance between the impregnated plate 4 and the cross rod 9 is adjusted through the guide groove 13 on the adjusting rod 12 and the sliding adjusting rod 12, so that the impregnated plate 4 is separated from the glue solution in the impregnation tank 1, then, the bundled glass fibers sequentially pass through the first sieve plate 2, the impregnated plate 4 and the second sieve plate 3, then, the fixing piece 14 is unscrewed to enable the impregnated plate 4 to be immersed into the glue solution in the impregnation tank 1 with the glass fibers, the impregnation operation is carried out, the glass fibers are driven to be displaced to a forming mold through an external tractor, the glass fibers are processed, and because the horizontal height of the first sieve plate 2 is higher than that of the impregnated plate 4, when the glass fibers are immersed into the, keeping an inclined state, further enabling the glue solution to slowly contact with the glass fibers, reducing the generation of bubbles on the surfaces of the glass fibers, enabling the first sieve plate 2 to enable the bunched glass fibers to be uniformly immersed into the immersion tank 1, enabling the glass fibers to be fully contacted with the glue solution, enabling the bubbles on the surfaces of the bunched glass fibers to be broken under the extrusion action through the glue scraping holes 5 distributed in the glue dipping plate 4 when the glass fibers pass through the glue scraping holes 5, further improving the glue dipping effect of the glass fibers, solving the problem that the insulation board after curing and forming is easy to break due to the bubbles on the surfaces of the glass fibers, and adjusting the distances between the glue dipping plate 4 and the first sieve plate 2 and the second sieve plate 3 respectively through a displacement assembly during glue dipping operation, before and after the glass fiber is dipped, when the glass fiber is displaced towards the second sieve plate 3, redundant glue solution on the surface of the glass fiber slides into the dipping tank 1 under the action of the second sieve plate 3 and gravity, so that the uniform glue solution on the surface of the glass fiber passing through the glue dipping mechanism is adhered, and subsequent forming and processing are facilitated.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a production of glass fiber insulating rod is with gumming mechanism, is including being used for holding dip tank (1) of glue solution, its characterized in that: the both ends of soaking groove (1) can be dismantled respectively and be connected with sieve (2) and sieve two (3), a plurality of glass fiber through soaking groove (1) are used for sieving in sieve (2) and sieve two (3), sliding connection has rubber dipping plate (4) that are used for extrudeing glass fiber to soaking groove (1) in soaking groove (1), array distribution has frictioning hole (5) that are used for holding glass fiber and pass on rubber dipping plate (4).
2. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 1, wherein: the first sieve plate (2) is clamped at the top end of the soaking tank (1), and the horizontal height of the soaking rubber plate (4) is lower than that of the first sieve plate (2).
3. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 2, wherein: the glue leaching device is characterized in that glue overflowing grooves (6) arranged along the length direction of the soaking groove (1) are formed in the two sides of the soaking groove (1), connecting frames (7) fixedly connected with the soaking groove (1) are arranged at the upper ends of the glue overflowing grooves (6), and displacement assemblies used for connecting glue leaching plates (4) are connected on the glue overflowing grooves (6) and the connecting frames (7) in a sliding mode.
4. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 3, wherein: the displacement assembly comprises a vertical rod (8) which is connected with two sides of the dipping tank (1) in a sliding manner and a transverse rod (9) which is used for connecting the dipping rubber plate (4), a sliding groove (10) which is vertically arranged is formed in the vertical rod (8), and a fastening bolt (11) which is connected with a connecting frame (7) and the sliding groove (10) in a threaded manner is connected in the sliding groove (10) in a sliding manner.
5. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 4, wherein: a plurality of adjusting rods (12) which are arranged in parallel are arranged between the rubber-impregnated plate (4) and the cross rod (9), and the adjusting rods (12) are used for adjusting the distance between the cross rod (9) and the rubber-impregnated plate (4).
6. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 5, wherein: the adjusting rod (12) is provided with a guide groove (13) arranged along the length direction of the adjusting rod, and the cross rod (9) is detachably connected with a fixing piece (14) used for extruding the adjusting rod (12) to fix the adjusting rod (12).
7. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 3, wherein: the connecting frame (7) and the top fixedly connected with clamping plate (15) that dip tank (1) set up symmetrically, the caulking groove that is used for holding sieve (2) is seted up to the opposite face of clamping plate (15).
8. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 3, wherein: one end sliding connection that soaks groove (1) has crane (16), crane (16) are Jiong shapes, the vertical end and link (7) and the groove (6) sliding connection that overflows of crane (16), the horizontal end of crane (16) is located the upper end that soaks groove (1) and can dismantle with sieve two (3) and be connected.
9. The impregnation mechanism for producing the glass fiber insulation rod as claimed in claim 8, wherein: the horizontal end of crane (16) is seted up and is run through logical groove of crane (16), be equipped with slide rail (17) that are located crane (16) below on the inner wall that soaks groove (1), the top of sieve two (3) is run through logical groove and can be dismantled with crane (16) and be connected, the bottom and slide rail (17) sliding connection of sieve two (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020699785.7U CN212288286U (en) | 2020-04-30 | 2020-04-30 | Gum dipping mechanism is used in production of glass fiber insulating rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020699785.7U CN212288286U (en) | 2020-04-30 | 2020-04-30 | Gum dipping mechanism is used in production of glass fiber insulating rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212288286U true CN212288286U (en) | 2021-01-05 |
Family
ID=73963278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020699785.7U Expired - Fee Related CN212288286U (en) | 2020-04-30 | 2020-04-30 | Gum dipping mechanism is used in production of glass fiber insulating rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212288286U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227843A (en) * | 2021-12-22 | 2022-03-25 | 湖北巨江实业有限公司 | High-density fiberboard impregnator and use method thereof |
| CN115467110A (en) * | 2022-09-22 | 2022-12-13 | 浙江联洋先进材料有限公司 | Device and method for improving fiber wettability of pultruded composite material |
-
2020
- 2020-04-30 CN CN202020699785.7U patent/CN212288286U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227843A (en) * | 2021-12-22 | 2022-03-25 | 湖北巨江实业有限公司 | High-density fiberboard impregnator and use method thereof |
| CN115467110A (en) * | 2022-09-22 | 2022-12-13 | 浙江联洋先进材料有限公司 | Device and method for improving fiber wettability of pultruded composite material |
| CN115467110B (en) * | 2022-09-22 | 2023-12-15 | 浙江联洋先进材料有限公司 | Device and method for improving fiber wettability by pultrusion of composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212288286U (en) | Gum dipping mechanism is used in production of glass fiber insulating rod | |
| CN210828572U (en) | High-insulativity lightweight composite cross arm | |
| DE2535923C3 (en) | Method and form for encapsulating electrical components | |
| DE2121209A1 (en) | Process for the production of glass fiber reinforced molded parts and device for carrying out the process | |
| CN205629010U (en) | Integral type stretch benders | |
| CN209810541U (en) | Wire feeding and dipping device for producing glass fiber grinding wheel screen cloth | |
| CN209810542U (en) | Gumming device for producing glass fiber grinding wheel screen cloth | |
| DE54910T1 (en) | NOZZLE FOR PRODUCING THE FIRST COATING OF OPTICAL FIBERS AND METHOD FOR PRODUCING THE NOZZLE. | |
| CN110640981A (en) | Automatic discharging device of injection mold for combined foot pad | |
| CN109760183A (en) | A kind of environment-friendly type silicate aluminum board vacuum adsorption molding equipment and forming method | |
| CN212193580U (en) | Fine forming device on prefabricated part | |
| CN215542261U (en) | Glass fiber rod gumming device | |
| CN1217973A (en) | Method and apparatus for manufacture of fiber reinforced foamed resin products | |
| CN210059707U (en) | Hole pricking device for sodium silicate sand casting sand mold | |
| CN209020983U (en) | A kind of straightening shaping equipment for steel pipe's production | |
| CN221249502U (en) | Composite material composite sleeper device | |
| CN206601512U (en) | A kind of device filled for optical fiber cable ointment | |
| CN215550127U (en) | Multistage gumming device of glass fiber rod | |
| CN114571751B (en) | SMC sheet material impregnating and extruding device | |
| CN213533892U (en) | Glass fiber reinforced plastic pultrusion equipment with noise reduction function | |
| CN108015925B (en) | Secondary presoaked prepreg impregnation device and impregnation method thereof | |
| CN218051321U (en) | Simple plate slotting device | |
| CN209368131U (en) | Film removing device is used in a kind of production of hollow glass | |
| CN217909083U (en) | Be used for fine cloth of glass to get bubble device after gumming | |
| CN217373561U (en) | Epoxy glass fiber and carbon fiber mixed pultrusion preforming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |