CN211973038U - Bituminous paving fluting repair subassembly and manufacturing installation thereof - Google Patents
Bituminous paving fluting repair subassembly and manufacturing installation thereof Download PDFInfo
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- CN211973038U CN211973038U CN202020000420.0U CN202020000420U CN211973038U CN 211973038 U CN211973038 U CN 211973038U CN 202020000420 U CN202020000420 U CN 202020000420U CN 211973038 U CN211973038 U CN 211973038U
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Abstract
The utility model relates to a bituminous paving fluting repair assembly and manufacturing installation thereof, which belongs to the technical field of municipal road construction, in particular to the field of pipeline building or laying in the road, the repair assembly comprises an upper die body and a lower die body, the upper part of the upper die body is provided with a filling groove with an upward opening, a filling layer is arranged in the filling groove, the filling layer adopts mixed asphalt and gravel, and the upper surface of the filling layer exceeds the notch of the filling groove; the lower part of the upper die body is provided with a semi-tubular upper accommodating groove, and the upper part of the lower die body is provided with a semi-tubular lower accommodating groove; the upper accommodating groove and the lower accommodating groove are matched to form a circular tube-shaped accommodating cavity; after the pipe embedding groove with the specified depth and width is formed in the asphalt pavement, the lower die body and the upper die body are sequentially placed in the pipe embedding groove, so that the upper surface of the filling layer is flush with the asphalt pavement. Standardized backfill management is carried out aiming at the grooves formed in the pavement, so that normal use of the grooved pavement is guaranteed, and the influence of the grooved asphalt pavement on the service life of the road is reduced.
Description
Technical Field
The utility model relates to a bituminous paving fluting repair subassembly and manufacturing installation thereof belongs to town road construction technical field, and the pipeline is built or is laid the field in especially the road.
Background
In order to adapt to the driving action and the influence of natural factors, various road building materials are used for building multi-layer firm, stable, flat and certain-roughness road surfaces in the range of the roadways on the roadbed. The structure of the artificial leather is generally composed of a surface layer, a base layer (bearing layer) and a cushion layer, and the surface of the artificial leather is made into a road arch so as to facilitate water drainage. However, in the actual municipal infrastructure construction, sometimes the road surface needs to be grooved, and the pipeline is buried and laid in a grooving mode, so that the existing pipeline construction lacks an assembly or device capable of effectively managing the grooves formed in the road surface, so that the grooves with smaller width, particularly the grooves with the width less than 30cm, cannot be effectively managed in the existing road surface construction process, and the grooves formed in the road surface influence the service life integrity of the road surface.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above problem, designed the utility model discloses, carry out standardized backfill management to the groove that the road surface was seted up to guarantee the normal use behind the road surface fluting, influence to road life behind the less bituminous paving fluting simultaneously.
The utility model provides a technical scheme that its technical problem adopted is:
a bituminous pavement slotting and repairing assembly comprises an upper die body and a lower die body, wherein a filling groove with an upward opening is formed in the upper portion of the upper die body, a filling layer is arranged in the filling groove, the filling layer is made of mixed asphalt and crushed stone, and the upper surface of the filling layer exceeds the notch of the filling groove; the lower part of the upper die body is provided with a semi-tubular upper accommodating groove, and the upper part of the lower die body is provided with a semi-tubular lower accommodating groove; the upper accommodating groove and the lower accommodating groove are matched to form a circular tube-shaped accommodating cavity, and the accommodating cavity is used for distributing pipeline bodies; the left side and the right side of the lower holding tank are respectively provided with a plurality of positioning columns, the left side and the right side of the upper holding tank are respectively provided with a plurality of positioning holes, and the positioning holes are waist-shaped holes and correspond to the positioning columns one by one; after the pipe embedding groove with the specified depth and width is formed in the asphalt pavement, the lower die body and the upper die body are sequentially placed in the pipe embedding groove, so that the upper surface of the filling layer is flush with the asphalt pavement.
Furthermore, a plurality of reinforcing ribs are arranged in the upper die body and the lower die body respectively, and the reinforcing ribs are arranged along the length direction of the upper die body and the lower die body.
Furthermore, the reinforcing ribs are made of steel bars with the diameter of 4-6 mm; the average particle size of the broken stones in the filling layer is not more than 6 mm; the upper die body and the lower die body are both made of concrete.
Furthermore, the bottom of the lower die body is flat, a leveling layer is arranged below the lower die body and used for leveling the bottom of the pipe burying groove.
Further, the repairing method of the pipe burying groove comprises the following steps:
step 1: planning a slotting path on the road surface, segmenting the slotting path by taking 5-8m as the length, and successively arranging pipe burying grooves on the road surface according to the segmentation sequence on the road surface; the depth of the pipe embedding groove is matched with the sum of the heights of the upper die body and the lower die body, and the width of the pipe embedding groove is matched with the width of the upper die body or the lower die body;
step 2: paving fine sand with the average grain diameter of 0.5-1mm in the pipe burying groove, paving the bottom of the pipe burying groove, uniformly spraying water on the fine sand and tamping the fine sand to form a leveling layer, wherein the height of the upper surface of the leveling layer from the asphalt pavement is the sum of the heights of the upper mold body and the lower mold body;
and step 3: successively placing the lower die body and the upper die body into the pipe burying groove, and placing the pipeline body into the accommodating cavity so that the upper surface of the upper die body is flush with the asphalt pavement;
and 4, step 4: and filling molten asphalt in a gap between the upper die body and the asphalt pavement.
Furthermore, the manufacturing device of the upper die body comprises a supporting table, a door-shaped frame, a pressurizing mechanism, an extrusion roller and a transmission mechanism, wherein a die groove matched with the upper die to be placed is formed in the upper part of the supporting table, and the notch of the die groove is higher than the upper part of the upper die; sliding grooves are respectively arranged on two sides of the supporting platform, the door-shaped frame covers the supporting platform, the inner side of the lower part of the door-shaped frame is respectively connected with a tight-resisting pulley, and the door-shaped frame is tightly resisted to the side wall of the corresponding sliding groove through the tight-resisting pulley and moves along the sliding groove; vertical guide waist-shaped holes are respectively formed in the arms on the left side and the right side of the door-shaped frame, the extrusion roller wheels are horizontally arranged on the inner side of the door-shaped frame, limiting guide shafts are respectively arranged at two ends of the extrusion roller wheels, and the limiting guide shafts penetrate into the corresponding guide waist-shaped holes to limit and guide the extrusion roller wheels; the transmission mechanism comprises transmission seats and transmission screws, the two transmission seats are connected to the outer sides of the two lower parts of the door-shaped frame, the two transmission screws are horizontally arranged and are in threaded fit with the corresponding transmission seats, and the transmission screws drive the door-shaped frame to move along the length direction of the die groove through the transmission seats; the pressurizing mechanism is arranged above the extrusion roller wheel and comprises a pressing wheel frame, pressing wheels, a pressing screw and a rotating handle, the two pressing wheels are respectively arranged on two sides of the pressing wheel frame, the lower end of the pressing screw is rotatably connected to the middle of the pressing wheel frame, the upper portion of the pressing screw vertically penetrates through the door-shaped frame and is connected with the rotating handle, and the pressing screw is in threaded fit with the door-shaped frame and pushes the extrusion roller wheel to the filling structure through the pressing wheel frame and the pressing wheels to tamp the filling layer.
Furthermore, a screw motor is connected to the compression screw, and a shell of the screw motor is connected to the top of the portal frame.
Further, a method of using a manufacturing apparatus, comprising the steps of:
step 1: heating the crushed stone and asphalt, stirring and mixing to form a filler for later use, wherein the average particle size of the crushed stone is 5-8 mm; the ambient temperature of the heating environment is 150-;
step 2: putting an upper mould made of concrete into a mould groove, and uniformly spraying an asphalt coating layer with the thickness of 3-5mm in a filling groove of the upper mould for later use;
and step 3: uniformly spreading the filling material into the filling groove, wherein the height of the filling material is 2-3cm higher than the notch of the filling groove; pressing the extrusion roller onto the filler, and then rotating the transmission screw to enable the door-shaped frame to move back and forth along the supporting platform to compact the filler;
and 4, step 4: when the filling material is flattened to the notch of the filling groove, the filling material is spread again to enable the height of the filling material to be 1cm higher than that of the notch of the filling groove, and then the transmission screw is rotated again and the filling material is compacted by the extrusion roller;
and 5: repeating the step 4 for a plurality of times to enable the filling material to be compacted to form a filling layer and enable the density of the filling layer to be larger than that of the asphalt pavement.
The utility model has the advantages that:
1. the repairing assembly of the device can realize the standardized and standardized repairing of pavement grooving behavior and the repairing after grooving, and simultaneously, the upper and lower molds can support the side walls at two sides of the pipe burying groove by utilizing the structures of the upper and lower molds supported by concrete, so that the external force intervention is carried out on the stress in the side walls at two sides of the pipe burying groove, the problem of road surface deformation caused by the extrusion of the side walls of the pipe burying groove into the groove when a vehicle runs is reduced, and the service life of the grooved pavement is ensured;
2. in the device, the pipeline body is protected by the accommodating cavity formed by matching the upper and lower concrete molds, so that the protection firmness of the pipeline body can be effectively protected, in addition, the upper and lower molds can provide upward supporting force for a vehicle, so that the situation that the notch is settled under the pressure of the vehicle is effectively avoided, and the vehicle with larger weight can be supported;
3. in the design, the buried pipe groove on the road surface can be subjected to standardized management, the passing of vehicles can not be influenced, and in addition, the components in the structure are arranged by adopting placement, so that the structure can be disassembled, a pipeline can be recovered, and the method is particularly suitable for a scene of temporary pipeline arrangement;
4. the filling grooves are filled with substances with the same structure as the pavement, so that the integrity and the skid resistance of the pavement are kept consistent, and the filling layer in the upper die can be customized in a unified factory, so that the pavement structure has the characteristics of quick installation and convenient construction; the influence of the driving of the butt joint vehicle on the road is small, and the filling structure is customized in batch, so that the defect that the standard road grooving and repairing process is not available in the existing road construction is overcome;
5. the upper die and the lower die are supported by concrete, the concrete support has the characteristics of strong compressive capacity, high deformation and high plasticity, the concrete support not only has the characteristics of convenience in manufacture and use, but also can be used for customizing the width and the length according to actual needs, and the arrangement of reinforcing ribs of the concrete support can ensure that the upper die has strong strength in the length direction and can be used for customizing the upper die in batches by taking 5-6m as a unit.
Drawings
FIG. 1 is a view of a state of use of a pipe installation assembly;
FIG. 2 is a structural view of a manufacturing apparatus;
fig. 3 is a side sectional view of the manufacturing apparatus.
Reference numerals: 1-filling layer, 2-upper die body, 3-pavement, 4-positioning column, 5-lower die body, 6-paving layer, 7-pipeline body, 8-reinforcing rib, 9-door type frame, 10-pressing wheel, 11-guiding waist type hole, 12-transmission seat, 13-abutting pulley, 14-supporting table, 15-transmission screw, 16-sliding groove, 17-extruding roller wheel, 18-pressing wheel frame, 19-pressing screw, 20-rotating handle and 21-limiting guide shaft.
Detailed Description
Example 1
As shown in the attached drawings, the utility model discloses a bituminous pavement slotting and repairing assembly, including upper die body 2 and lower die body 5, the upper portion of upper die body 2 is provided with the packing groove of opening up, is provided with filling layer 1 in the packing groove, and filling layer 1 adopts mixed pitch and rubble, and the upper surface of filling layer 1 surpasss the notch of packing groove; the lower part of the upper die body 2 is provided with a semi-tubular upper accommodating groove, and the upper part of the lower die body 5 is provided with a semi-tubular lower accommodating groove; the upper accommodating groove and the lower accommodating groove are matched to form a circular tube-shaped accommodating cavity, and the accommodating cavity is used for distributing the pipeline body 7; the left side and the right side of the lower holding tank are respectively provided with a plurality of positioning columns 4, the left side and the right side of the upper holding tank are respectively provided with a plurality of positioning holes, and the positioning holes are waist-shaped holes and correspond to the positioning columns 4 one by one; after the asphalt pavement is provided with the pipe embedding grooves with the specified depth and width, the lower die body 5 and the upper die body 2 are sequentially placed in the pipe embedding grooves, so that the upper surface of the filling layer 1 is flush with the asphalt pavement.
A plurality of reinforcing ribs 8 are respectively arranged in the upper die body 2 and the lower die body 5, and the reinforcing ribs 8 are arranged along the length direction of the upper die body 2 and the lower die body 5.
The reinforcing ribs 8 are made of steel bars with the diameter of 4-6 mm; the average particle size of the crushed stones in the filling layer 1 is not more than 6 mm; the upper die body 2 and the lower die body 5 are both made of concrete.
The bottom of the lower die body 5 is flat, a leveling layer 6 is arranged below the lower die body 5, and the leveling layer 6 is used for leveling the bottom of the pipe burying groove.
Example 2
A method of repairing a buried pipe trench using the repair assembly of embodiment 1, comprising the steps of:
step 1: planning a slotting path on the road surface, segmenting the slotting path by taking 5-8m as the length, and successively arranging pipe burying grooves on the road surface according to the segmentation sequence on the road surface; the depth of the pipe embedding groove is matched with the sum of the heights of the upper die body 2 and the lower die body 5, and the width of the pipe embedding groove is matched with the width of the upper die body 2 or the lower die body 5;
step 2: paving fine sand with the average grain diameter of 0.5-1mm in the pipe burying groove, paving the bottom of the pipe burying groove, uniformly spraying water on the fine sand and tamping the fine sand to form a leveling layer 6, wherein the distance between the upper surface of the leveling layer 6 and the asphalt pavement is the sum of the heights of the upper mold body 2 and the lower mold body 5;
and step 3: the lower die body 5 and the upper die body 2 are sequentially placed into the pipe burying groove, and the pipeline body 7 is placed into the accommodating cavity, so that the upper surface of the upper die body 2 is flush with the asphalt pavement;
and 4, step 4: and molten asphalt is filled in a gap between the upper die body 2 and the asphalt pavement.
Example 3
The manufacturing device of the upper die body 2 in embodiment 1 comprises a supporting table 14, a door-shaped frame 9, a pressurizing mechanism, an extrusion roller 17 and a transmission mechanism, wherein a die groove matched with an upper die is formed in the upper part of the supporting table 14, and a notch of the die groove is higher than the upper part of the upper die; sliding grooves 16 are respectively formed in two sides of the supporting platform 14, the door-shaped frame 9 covers the supporting platform 14, the inner side of the lower portion of the door-shaped frame 9 is respectively connected with a tight-resisting pulley 13, and the door-shaped frame 9 is tightly resisted to the side wall of the corresponding sliding groove 16 through the tight-resisting pulley 13 and moves along the sliding groove 16; vertical guide waist-shaped holes 11 are respectively formed in the arms on the left side and the right side of the door-shaped frame 9, the extrusion roller wheels 17 are horizontally arranged on the inner side of the door-shaped frame 9, limiting guide shafts 21 are respectively arranged at two ends of the extrusion roller wheels 17, and the limiting guide shafts 21 penetrate into the corresponding guide waist-shaped holes 11 to limit and guide the extrusion roller wheels 17; the transmission mechanism comprises transmission seats 12 and transmission screws 15, the two transmission seats 12 are connected to the outer sides of the two lower parts of the door-shaped frame 9, the two transmission screws 15 are horizontally arranged and are in threaded fit with the corresponding transmission seats 12, and the transmission screws 15 drive the door-shaped frame 9 to move along the length direction of the die slot through the transmission seats 12; the pressurizing mechanism is arranged above the squeezing roller wheel 17 and comprises a pressing wheel frame 18, pressing wheels 10, a pressing screw rod 19 and a rotating handle 20, the two pressing wheels 10 are respectively arranged on two sides of the pressing wheel frame 18, the lower end of the pressing screw rod 19 is rotatably connected to the middle of the pressing wheel frame 18, the upper portion of the pressing screw rod 19 vertically penetrates through the portal frame 9 and is connected with the rotating handle 20, the pressing screw rod 19 is in threaded fit with the portal frame 9, and the squeezing roller wheel 17 is pushed to the filling structure through the pressing wheel frame 18 and the pressing wheels 10 so that the filling layer 1 is tamped.
The compression screw 19 is connected with a screw motor, and the shell of the screw motor is connected to the top of the door-shaped frame 9.
Example 4
The manufacturing apparatus in embodiment 3 manufactures a manufacturing method of an upper mold, including the steps of:
step 1: heating the crushed stone and asphalt, stirring and mixing to form a filler for later use, wherein the average particle size of the crushed stone is 5-8 mm; the ambient temperature of the heating environment is 150-;
step 2: putting an upper mould made of concrete into a mould groove, and uniformly spraying an asphalt coating layer with the thickness of 3-5mm in a filling groove of the upper mould for later use;
and step 3: uniformly spreading the filling material into the filling groove, wherein the height of the filling material is 2-3cm higher than the notch of the filling groove; pressing the extrusion roller 17 onto the filler, and then rotating the transmission screw 15 to make the door-shaped frame 9 move back and forth along the saddle 14 to compact the filler;
and 4, step 4: when the filling material is flattened to the notch of the filling groove, the filling material is spread again to enable the height of the filling material to be 1cm higher than that of the notch of the filling groove, then the transmission screw 15 is rotated again, and the filling material is compacted by the extrusion roller 17;
and 5: repeating the step 4 for a plurality of times to compact the filling material to form the filling layer 1 and to make the density of the filling layer 1 greater than that of the asphalt pavement.
The foregoing examples are provided for clarity of illustration only and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (6)
1. The bituminous pavement slotting and repairing assembly is characterized by comprising an upper die body (2) and a lower die body (5), wherein a filling groove with an upward opening is formed in the upper part of the upper die body (2), a filling layer (1) is arranged in the filling groove, the filling layer (1) adopts mixed asphalt and gravel, and the upper surface of the filling layer (1) exceeds the notch of the filling groove; the lower part of the upper die body (2) is provided with a semi-tubular upper accommodating groove, and the upper part of the lower die body (5) is provided with a semi-tubular lower accommodating groove; the upper accommodating groove and the lower accommodating groove are matched to form a circular tube-shaped accommodating cavity, and the accommodating cavity is used for distributing a pipeline body (7); the left side and the right side of the lower holding tank are respectively provided with a plurality of positioning columns (4), the left side and the right side of the upper holding tank are respectively provided with a plurality of positioning holes, and the positioning holes are waist-shaped holes and correspond to the positioning columns (4) one by one; after the pipe embedding groove with the specified depth and width is formed in the asphalt pavement, the lower die body (5) and the upper die body (2) are sequentially placed in the pipe embedding groove, so that the upper surface of the filling layer (1) is flush with the asphalt pavement.
2. The asphalt pavement grooving and repairing assembly according to claim 1, wherein a plurality of reinforcing ribs (8) are respectively provided in the upper mold body (2) and the lower mold body (5), and the reinforcing ribs (8) are arranged along the length direction of the upper mold body (2) and the lower mold body (5).
3. The asphalt pavement grooving repair assembly according to claim 2, wherein the reinforcing bars (8) are steel bars having a diameter of 4-6 mm; the average particle size of the crushed stones in the filling layer (1) is not more than 6 mm; the upper die body (2) and the lower die body (5) are both made of concrete.
4. The asphalt pavement grooving and repairing assembly according to claim 3, wherein the bottom of the lower mold body (5) is leveled, and a leveling layer (6) is disposed below the lower mold body (5), and the leveling layer (6) is used for leveling the bottom of the buried pipe groove.
5. The asphalt pavement grooving and repairing assembly according to claim 4, wherein the manufacturing device of the upper mold body (2) comprises a supporting platform (14), a door-shaped frame (9), a pressurizing mechanism, a squeezing roller (17) and a transmission mechanism, a mold groove placed in cooperation with the upper mold is formed in the upper portion of the supporting platform (14), and a notch of the mold groove is higher than that of the upper mold; sliding grooves (16) are respectively formed in two sides of the supporting platform (14), the door-shaped frame (9) covers the supporting platform (14), abutting pulleys (13) are respectively connected to the inner sides of the lower portions of the door-shaped frame (9), and the door-shaped frame (9) abuts against the side wall of the corresponding sliding groove (16) through the abutting pulleys (13) and moves along the sliding groove (16); vertical guide waist-shaped holes (11) are respectively formed in arms on the left side and the right side of the door-shaped frame (9), the extrusion roller (17) is horizontally arranged on the inner side of the door-shaped frame (9), limiting guide shafts (21) are respectively arranged at two ends of the extrusion roller (17), and the limiting guide shafts (21) penetrate into the corresponding guide waist-shaped holes (11) to limit and guide the extrusion roller (17); the transmission mechanism comprises transmission seats (12) and transmission screws (15), the two transmission seats (12) are connected to the outer sides of the two lower parts of the door-shaped frame (9), the two transmission screws (15) are horizontally arranged and are in threaded fit with the corresponding transmission seats (12), and the transmission screws (15) drive the door-shaped frame (9) to move along the length direction of the die groove through the transmission seats (12); the pressurizing mechanism is arranged above the extrusion roller (17), the pressurizing mechanism comprises a pressing wheel frame (18), pressing wheels (10), a pressing screw rod (19) and a rotating handle (20), the two pressing wheels (10) are respectively arranged on two sides of the pressing wheel frame (18), the lower end of the pressing screw rod (19) is rotatably connected to the middle of the pressing wheel frame (18), the upper part of the pressing screw rod (19) vertically penetrates through the door-shaped frame (9) and is connected with the rotating handle (20), the pressing screw rod (19) is in threaded fit with the door-shaped frame (9) and pushes the extrusion roller (17) to the filling structure through the pressing wheel frame (18) and the pressing wheels (10) to tamp the filling layer (1).
6. The asphalt pavement grooving repair assembly according to claim 5, wherein the hold-down screw (19) is connected to a screw motor, and a housing of the screw motor is connected to a top of the gate frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000420.0U CN211973038U (en) | 2020-01-02 | 2020-01-02 | Bituminous paving fluting repair subassembly and manufacturing installation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000420.0U CN211973038U (en) | 2020-01-02 | 2020-01-02 | Bituminous paving fluting repair subassembly and manufacturing installation thereof |
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| Publication Number | Publication Date |
|---|---|
| CN211973038U true CN211973038U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020000420.0U Expired - Fee Related CN211973038U (en) | 2020-01-02 | 2020-01-02 | Bituminous paving fluting repair subassembly and manufacturing installation thereof |
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| Country | Link |
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| CN (1) | CN211973038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924283A (en) * | 2020-01-02 | 2020-03-27 | 成都九执星科技有限公司 | Asphalt pavement slotting and repairing assembly and manufacturing device and manufacturing method thereof |
-
2020
- 2020-01-02 CN CN202020000420.0U patent/CN211973038U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924283A (en) * | 2020-01-02 | 2020-03-27 | 成都九执星科技有限公司 | Asphalt pavement slotting and repairing assembly and manufacturing device and manufacturing method thereof |
| CN110924283B (en) * | 2020-01-02 | 2024-04-19 | 会同县广业建材有限公司 | Asphalt pavement grooving repair assembly and manufacturing device and manufacturing method thereof |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201210 Address after: 535000 Guangxi Zhiling Transportation Construction Co.,Ltd. on the fourth floor of the office building of the first district management committee of Real Madrid Industrial Park, Qinbei District, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ZHILING TRAFFIC CONSTRUCTION Co.,Ltd. Address before: Room 3107, 31 / F, unit 1, building 1, No. 28, north section of Tianfu Avenue, hi tech Zone, Chengdu, Sichuan 610000 Patentee before: CHENGDU JIUZHIXING TECHNOLOGY Co.,Ltd. |
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| 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: 20201120 Termination date: 20220102 |