CN113972614B - Flexible intensive busbar device - Google Patents
Flexible intensive busbar device Download PDFInfo
- Publication number
- CN113972614B CN113972614B CN202111145345.2A CN202111145345A CN113972614B CN 113972614 B CN113972614 B CN 113972614B CN 202111145345 A CN202111145345 A CN 202111145345A CN 113972614 B CN113972614 B CN 113972614B
- Authority
- CN
- China
- Prior art keywords
- copper
- flexible
- insulating
- hard
- bus
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The invention discloses a flexible intensive bus device, which comprises two positioning tables, a plurality of clamping units, bolts and nuts, wherein the plurality of clamping units are stacked between the two positioning tables, and the two positioning tables clamp the plurality of clamping units through the bolts and the nuts; the clamping unit comprises an insulating block, a copper plate and a flexible insulating rubber sheet, and the flexible insulating rubber sheet is arranged between the insulating block and the copper plate; the copper plate comprises a hard copper bar and a flexible copper bar, wherein the flexible copper bar is arranged between the two hard copper bars, and the flexible copper bar is formed by stacking a plurality of thin copper sheets. The invention provides a flexible intensive bus connector, which enables copper plates of the connector to be in closer contact with buses, reduces contact resistance at the joint and reduces the occurrence probability of abnormal temperature of the bus connector.
Description
Technical Field
The invention relates to the field of low-voltage electrical equipment, in particular to a flexible intensive bus device.
Background
With the advent of modern engineering facilities and equipment, power consumption in various industries has increased rapidly, particularly in large amounts of high-rise buildings and large workshops. Conventional cables cannot meet the requirements of high-current transmission systems as transmission conductors. The use of parallel road cables presents a number of inconveniences for field installation and construction connections. The plug-in dense bus has been developed as a new type of distribution line. The material of the dense bus is a system composed of a metal plate (steel plate or aluminum plate) as a protective shell, a conductive strip, an insulating material and related accessories. The power supply device can be manufactured into a part with standard length and is connected by a dense bus connector, so that great convenience is brought to power supply, installation and maintenance, the plug-in dense bus is an alternating current three-phase four-wire or five-wire system, and the power supply device is applicable to power supply and power distribution with the frequency of 50-60 Hz, the rated current of 100-6300A and the rated voltage of 690V or below, and is particularly applicable to industrial low-voltage workshops, mines and the like. Power distribution systems and power supply systems for high-rise commercial and residential buildings, hotels, hospitals, and the like. The intensive bus connector is common equipment of the system, and the intensive bus connector applied at present has the defect that copper plates of the connector are not tightly contacted with buses, so that the contact resistance at the connecting part is too high, the temperature abnormality is easy to occur, and further, the occurrence of power failure accidents is caused, so that the normal power utilization of users is influenced. Therefore, a flexible intensive bus connector is required to be designed, so that copper plates of the connector are in closer contact with buses, contact resistance at the connecting position is reduced, and the occurrence probability of abnormal temperature of the bus connector is reduced.
Chinese patent application publication No. CN213026639U, publication day is 2021, 04 month and 20 day, and the name is "bus connector convenient to use", discloses a bus connector convenient to use, relates to bus technical field, including bus connector base, a side top-down of bus connector base is provided with a plurality of first grip blocks, and all is provided with the second grip block between two upper and lower adjacent first grip blocks, and the bottom of bus connector base is fixed with the baffle. The bus connector top cover provided by the invention can be clamped on the bus connector base, the connecting sheet can play a role in stably connecting the bus connector top cover and the bus connector base, the bending plate is matched with the second groove and the fourth groove for use, the connecting sheet can be effectively limited, the connecting sheet is prevented from moving relative to the bus connector top cover and the bus connector base, the position of the connecting sheet is relatively stable, the whole structure of the bus connector is stable, other fixing pieces such as screws are not needed, the trouble in mounting or dismounting is reduced, and the bus row can be stably clamped. But the bus bar connector still does not solve the above-mentioned problems.
Disclosure of Invention
The invention provides a flexible intensive bus connector, which aims to solve the problem that the copper plate of the connector is not tightly contacted with a bus in the intensive bus connector in the prior art, so that the copper plate of the connector is more tightly contacted with the bus, the contact resistance of a connecting part is reduced, and the occurrence probability of abnormal temperature of the bus connector is reduced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a flexible intensive bus device comprises two positioning tables, a plurality of clamping units, bolts and nuts, wherein the clamping units are stacked between the two positioning tables, and the two positioning tables clamp the clamping units through the bolts and the nuts; the clamping unit comprises an insulating block, a copper plate and a flexible insulating rubber sheet, and the flexible insulating rubber sheet is arranged between the insulating block and the copper plate. The copper plate comprises a hard copper bar and a flexible copper bar, wherein the flexible copper bar is arranged between the two hard copper bars, and the flexible copper bar is formed by stacking a plurality of thin copper sheets.
According to the technical scheme, the copper plate has certain deformability and elasticity through the combination of the insulating block, the copper plate and the flexible insulating rubber sheet in the clamping unit, so that the copper plate can clamp the bus when the bus is inserted into two adjacent copper plates, and the bus can adapt to different bus thicknesses. And the clamping unit comprises a flexible insulating rubber sheet made of high-strength flexible insulating silicon rubber, so that the flexible insulating rubber sheet has strong elastic tension on the contact surface of the copper plate after the installation is finished, the effective contact of the copper plate can be ensured, and the current passing capability of the intensive bus is enhanced. According to the technical scheme, the flexibility of the copper plate can be improved, the hard copper bar can be easily taken and positioned when the copper plate is integrally installed, and the flexible copper bar can be fixedly supported. The flexible copper bar can increase the flexibility of the copper plate, can adapt to the surface of the bus completely attached to the mounting angle, and ensures the effective contact of the copper bar surface.
Preferably, the hard copper bar is formed into a hard structure by heating and extruding after a plurality of thin copper sheets are stacked, and the hard copper bar is of a flexible copper bar integrated structure. The copper is formed by a plurality of stacked thin copper sheets through post-processing, wherein the hard copper bars are formed into a hard structure through heating extrusion, so that the copper can be ensured to keep an integral structure without scattering during use, the copper is convenient to take and position, the flexibility of the thin copper sheets for many times can be fully utilized, and the processing mode is simple.
Preferably, the clamping unit is provided with a through hole, and the bolt passes through the through hole.
Preferably, a copper gasket is arranged between two adjacent clamping units, the bolt penetrates through the copper gasket, and the upper end and the lower end of the copper gasket are respectively contacted with the two adjacent copper plates. The copper gasket can enable a certain initial gap to exist between two adjacent copper plates, and bus insertion is facilitated. The thickness of the copper gasket is smaller than that of the bus bar.
Preferably, two pressing strips are arranged on the inner side of the positioning table and are respectively arranged on two sides of the bolt. The pressing bar may press the outermost clamping unit inward.
Preferably, an elastic strip is arranged on the inner side of the positioning table, and the elastic strip is in contact with the clamping unit. The elastic strip can press the outermost clamping unit inwards and has certain elasticity.
Preferably, the number of the elastic strips is two, and the two elastic strips are arranged outside the two pressing strips.
Preferably, the thickness of the elastic strip is greater than the thickness of the pressing strip in the axial direction of the bolt. The structure can ensure that the clamping force of the position of the copper plate far away from the bolt is larger, and the position of the copper plate close to the bolt has larger clearance, so that the bus is convenient to clamp.
Preferably, the positioning table is provided with an elastic gasket, and the bolt compresses the elastic gasket.
Preferably, the positioning table is provided with a clamping groove for placing the elastic gasket.
Preferably, the bolt is sleeved with an insulating sleeve.
Preferably, the insulating sleeve is provided with a positioning column, the positioning table is provided with a positioning hole for limiting the rotation of the insulating sleeve, the positioning column is matched with the positioning hole, the insulating block can slide relative to the insulating sleeve, and the insulating block cannot rotate relative to the insulating sleeve. In the technical scheme, the outer contour of the cross section of the insulating sleeve is a non-perfect circle figure such as an ellipse, a polygon and the like. The insulation block is limited to rotate through the insulation sleeve by limiting the rotation of the insulation sleeve relative to the positioning table through the positioning column, so that the whole bus device is guaranteed to be in the installation process and the use process, the relative rotation of internal parts can not occur, and the stability of a connecting structure is guaranteed.
Preferably, the insulating block is provided with a containing groove for placing the copper plate and the flexible insulating rubber sheet.
Preferably, the nut is a square nut.
The beneficial effects of the invention are as follows: (1) The connector main body contains high-strength flexible insulating silicon rubber, and has strong elastic tension on the copper bar contact surface after the installation is finished, so that the effective contact of the copper bar surface can be ensured, and the current passing capability of the intensive bus is greatly enhanced; (2) The middle of the connector is in soft connection, so that the copper bar can be completely attached to the connector by self-adapting the installation angle, and the connector can adapt to different bus thicknesses; (3) The copper gasket can enable a certain initial gap to exist between two adjacent copper plates, so that bus insertion is facilitated; (4) The hard copper bar is formed into a hard structure through heating and extrusion, so that the copper plate can be ensured to keep an integral structure without scattering during use, the copper plate is convenient to take and position, the flexibility of the copper plate can be fully utilized for many times, and the processing mode is simple; (5) The insulation block is limited to rotate through the insulation sleeve by limiting the rotation of the insulation sleeve relative to the positioning table through the positioning column, so that the whole bus device is guaranteed to be in the installation process and the use process, the relative rotation of internal parts can not occur, and the stability of a connecting structure is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of the copper plate of the present invention;
FIG. 5 is a schematic view of the structure of an insulating block according to the present invention;
FIG. 6 is a schematic view of the structure of the positioning table of the present invention;
fig. 7 is a schematic view of the structure of an insulating sleeve according to the present invention.
In the figure: positioning table 1, compressing strip 1.1, elastic strip 1.2, positioning hole 1.3, clamping unit 2, insulating block 2.1, holding tank 2.1.1, copper plate 2.2, hard copper bar 2.2.1, flexible copper bar 2.2.2, flexible insulating rubber sheet 2.3, bolt 3, nut 4, elastic gasket 5, insulating sleeve 6, positioning column 6.1, copper gasket 7.
Detailed Description
The invention is further described below with reference to the drawings and specific embodiments.
Example 1:
as shown in fig. 1, 2 and 3, a flexible compact busbar device comprises two positioning tables 1, a plurality of clamping units 2, bolts 3 and nuts 4, wherein the plurality of clamping units 2 are stacked between the two positioning tables 1, and the two positioning tables 1 clamp the plurality of clamping units 2 through the bolts 3 and the nuts 4; the clamping unit 2 is provided with a through hole, and the bolt 3 passes through the through hole. The clamping unit 2 comprises an insulating block 2.1, a copper plate 2.2 and a flexible insulating rubber sheet 2.3, wherein the flexible insulating rubber sheet 2.3 is arranged between the insulating block 2.1 and the copper plate 2.2. As shown in fig. 4, the copper plate 2.2 comprises a hard copper bar 2.2.1 and a flexible copper bar 2.2.2, wherein the flexible copper bar 2.2.2 is arranged between the two hard copper bars 2.2.1, and the flexible copper bar 2.2.2 is formed by stacking a plurality of thin copper sheets. After the hard copper bar 2.2.1 is formed by stacking a plurality of thin copper sheets, a hard structure is formed by heating and extruding, and the hard copper bar 2.2.1 is of a flexible copper bar 2.2.2 integrated structure. As shown in fig. 1 and 2, a copper washer 7 is disposed between two adjacent clamping units 2, the bolt 3 passes through the copper washer 7, and the upper and lower ends of the copper washer 7 are respectively contacted with two adjacent copper plates 2.2. An elastic gasket 5 is arranged on the positioning table 1, and the bolt 3 compresses the elastic gasket 5. The positioning table 1 is provided with a clamping groove for placing the elastic gasket 5. The nut 4 is a square nut 4.
In the above technical scheme, through the combination of the insulating block 2.1, the copper plate 2.2 and the flexible insulating rubber sheet 2.3 in the clamping unit 2, the copper plate 2.2 has certain deformability and certain elasticity, and when the bus is inserted into two adjacent copper plates 2.2, the copper plate 2.2 can clamp the bus, so that the bus can adapt to different bus thicknesses. And because the clamping unit 2 contains the flexible insulating rubber sheet 2.3 made of high-strength flexible insulating silicon rubber, the copper plate 2.2 contact surface is provided with very strong elastic tension after the installation is finished, the effective contact of the copper plate 2.2 can be ensured, and the current capacity of the intensive bus is enhanced. The hard copper bar 2.2.1 can ensure that the copper plate 2.2 is easy to take and position when being integrally installed, and can also play a role in fixing and supporting the flexible copper bar 2.2.2. The flexibility of the copper plate 2.2 can be increased by the flexible copper bar 2.2, the self-adaptive mounting angle can be completely attached to the surface of the bus, and the effective contact of the copper bar surface is ensured. The copper plate 2.2 is formed by stacking a plurality of thin copper sheets and then processing, wherein the hard copper bar 2.2.1 forms a hard structure through heating and extrusion, so that the copper plate 2.2 can be ensured to keep an integral structure without scattering when in use, the copper plate 2.2 is convenient to take and position, the flexibility of the thin copper sheets for many times can be fully utilized, and the processing mode is simple.
Example 2:
as shown in fig. 2 and 6, on the basis of embodiment 1, two pressing strips 1.1 are disposed on the inner side of the positioning table 1, and the two pressing strips 1.1 are disposed on two sides of the bolt 3 respectively. The inner side of the positioning table 1 is provided with two elastic strips 1.2, and the two elastic strips 1.2 are arranged on the outer sides of the two pressing strips 1.1. The elastic strip 1.2 is in contact with the clamping unit 2. The thickness of the elastic strip 1.2 is greater than the thickness of the compression strip 1.1 in the axial direction of the bolt 3. The compression strip 1.1 may compress the outermost clamping unit 2 inwardly. The elastic strip 1.2 can press the outermost clamping unit 2 inwards and has a certain elasticity. The structure can ensure that the clamping force of the position of the copper plate 2.2 far away from the bolt 3 is larger, and the position of the copper plate 2.2 close to the bolt 3 has larger clearance, so that the bus bar can be clamped conveniently.
Example 3:
as shown in fig. 2, in the embodiment 1, the bolt 3 is sleeved with an insulating sleeve 6. As shown in fig. 7, the insulating sleeve 6 is provided with a positioning column 6.1, as shown in fig. 6, the positioning table 1 is provided with a positioning hole 1.3 for limiting the rotation of the insulating sleeve 6, the positioning column 6.1 is matched with the positioning hole 1.3, the insulating block 2.1 can slide relative to the insulating sleeve 6, and the insulating block 2.1 cannot rotate relative to the insulating sleeve 6. As shown in fig. 5, the insulating block 2.1 is provided with a receiving groove 2.1.1 for placing the copper plate 2.2 and the flexible insulating rubber sheet 2.3.
In the above technical solution, the outer contour of the cross section of the insulating sleeve 6 is a non-perfect circle pattern such as an ellipse, a polygon, etc. The insulating sleeve 6 is limited to rotate relative to the positioning table 1 through the positioning column 6.1, and the insulating block 2.1 is limited to rotate through the insulating sleeve 6, so that the relative rotation of internal parts in the installation process and the use process of the whole bus device is guaranteed, and the stability of a connecting structure is guaranteed.
The beneficial effects of the invention are as follows: (1) The connector main body contains high-strength flexible insulating silicon rubber, and has strong elastic tension on the copper bar contact surface after the installation is finished, so that the effective contact of the copper bar surface can be ensured, and the current passing capability of the intensive bus is greatly enhanced; (2) The middle of the connector is in soft connection, so that the copper bar can be completely attached to the connector by self-adapting the installation angle, and the connector can adapt to different bus thicknesses; (3) The copper gasket 7 can enable a certain initial gap to exist between two adjacent copper plates 2.2, so that bus insertion is facilitated; (4) The hard copper bar 2.2.1 forms a hard structure through heating and extrusion, so that the copper plate 2.2 can be ensured to keep an integral structure from scattering when in use, the copper plate 2.2 is convenient to take and position, the flexibility of the copper plate can be fully utilized for many times, and the processing mode is simple; (5) The insulating sleeve 6 is limited to rotate relative to the positioning table 1 through the positioning column 6.1, and the insulating block 2.1 is limited to rotate through the insulating sleeve 6, so that the relative rotation of internal parts in the installation process and the use process of the whole bus device is guaranteed, and the stability of a connecting structure is guaranteed.
Claims (4)
1. The flexible intensive bus device is characterized by comprising two positioning tables, a plurality of clamping units, bolts and nuts, wherein the clamping units are stacked between the two positioning tables, and the two positioning tables clamp the clamping units through the bolts and the nuts; the clamping unit comprises an insulating block, a copper plate and a flexible insulating rubber sheet, and the flexible insulating rubber sheet is arranged between the insulating block and the copper plate; the copper plate comprises hard copper bars and flexible copper bars, the flexible copper bars are arranged between the two hard copper bars, and the flexible copper bars are formed by stacking a plurality of thin copper sheets; two pressing strips are arranged on the inner side of the positioning table; an elastic strip is arranged on the inner side of the positioning table and is contacted with the clamping unit; the number of the elastic strips is two, and the two elastic strips are arranged at the outer sides of the two pressing strips; on the axis direction of bolt, the thickness of elastic strip is greater than the thickness of compressing tightly the strip, be equipped with the through-hole on the clamping unit, the bolt passes the through-hole, and two compress tightly the strip and set up the both sides at the bolt respectively, the cover is equipped with insulating sleeve on the bolt, be equipped with the reference column on the insulating sleeve, be equipped with on the locating bench and be used for restricting insulating sleeve pivoted locating hole, reference column and locating hole adaptation, the insulating block can be relative insulating sleeve slip, and the insulating block can not rotate relative insulating sleeve.
2. The flexible intensive bus bar device according to claim 1, wherein the hard copper bar is formed into a hard structure by heating and extruding after a plurality of copper sheets are stacked, and the hard copper bar is of a flexible copper bar integrated structure.
3. A flexible compact busbar device according to claim 1 or claim 2, wherein a copper gasket is provided between two adjacent clamping units, the bolts passing through the copper gasket, and the upper and lower ends of the copper gasket are respectively in contact with two adjacent copper plates.
4. The flexible compact bus bar assembly of claim 1 wherein the insulating blocks are provided with receiving slots for placement of copper plates and flexible insulating rubber sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145345.2A CN113972614B (en) | 2021-09-28 | 2021-09-28 | Flexible intensive busbar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145345.2A CN113972614B (en) | 2021-09-28 | 2021-09-28 | Flexible intensive busbar device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113972614A CN113972614A (en) | 2022-01-25 |
| CN113972614B true CN113972614B (en) | 2023-10-13 |
Family
ID=79586982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111145345.2A Active CN113972614B (en) | 2021-09-28 | 2021-09-28 | Flexible intensive busbar device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113972614B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186460Y (en) * | 1994-04-01 | 1994-12-28 | 镇江市电器设备厂 | Bus series terminal |
| CN2220695Y (en) * | 1994-10-18 | 1996-02-21 | 镇江市线路设备厂 | Busbar groove splice |
| CN103746329A (en) * | 2013-11-12 | 2014-04-23 | 中船重工（昆明）灵湖科技发展有限公司 | Mechanical interlocking connector for armoured cables |
| CN204289866U (en) * | 2014-12-15 | 2015-04-22 | 镇江加勒母线有限公司 | Quick height protection bus-bar slot connecting apparatus |
| CN204304352U (en) * | 2014-11-19 | 2015-04-29 | 廖亚辉 | A kind of novel anti-deflection bus-duct connector |
| CN206759000U (en) * | 2017-05-04 | 2017-12-15 | 成都高标电气有限公司 | A kind of waterproof busway connector |
| CN210468706U (en) * | 2019-09-03 | 2020-05-05 | 江苏柏亚电气有限公司 | Bus duct connector convenient to dismantle |
-
2021
- 2021-09-28 CN CN202111145345.2A patent/CN113972614B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186460Y (en) * | 1994-04-01 | 1994-12-28 | 镇江市电器设备厂 | Bus series terminal |
| CN2220695Y (en) * | 1994-10-18 | 1996-02-21 | 镇江市线路设备厂 | Busbar groove splice |
| CN103746329A (en) * | 2013-11-12 | 2014-04-23 | 中船重工（昆明）灵湖科技发展有限公司 | Mechanical interlocking connector for armoured cables |
| CN204304352U (en) * | 2014-11-19 | 2015-04-29 | 廖亚辉 | A kind of novel anti-deflection bus-duct connector |
| CN204289866U (en) * | 2014-12-15 | 2015-04-22 | 镇江加勒母线有限公司 | Quick height protection bus-bar slot connecting apparatus |
| CN206759000U (en) * | 2017-05-04 | 2017-12-15 | 成都高标电气有限公司 | A kind of waterproof busway connector |
| CN210468706U (en) * | 2019-09-03 | 2020-05-05 | 江苏柏亚电气有限公司 | Bus duct connector convenient to dismantle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113972614A (en) | 2022-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110635428A (en) | Elastic supporting structure of intensive bus duct with socket splicer | |
| CN113972614B (en) | Flexible intensive busbar device | |
| CN206379478U (en) | A kind of wire clamp | |
| CN214850350U (en) | Non-deformable prevents fire-resistant bus duct of spalling | |
| CN216214230U (en) | Bus flexible connector | |
| CN210468706U (en) | Bus duct connector convenient to dismantle | |
| CN210468599U (en) | Quick electricity taking device for low-voltage overhead line | |
| CN208489365U (en) | A kind of power equipment connecting terminal | |
| CN219304182U (en) | Bus connecting assembly, connecting unit and ring main unit | |
| CN2300205Y (en) | Bus-bar unit connecting device | |
| CN210120241U (en) | Bus duct tapping device | |
| CN2211662Y (en) | Assembled wire insulating clamp | |
| CN2678069Y (en) | Capacitive voltage-sharing dry type insulated bus | |
| CN216489651U (en) | Inserted connection type bus duct connector | |
| CN212113600U (en) | Connecting terminal of omega-shaped contact piece | |
| CN212303940U (en) | Special anti-pulling and anti-dropping wire clamp for high-speed railway contact net isolating switch lead | |
| CN217469135U (en) | Bus connecting structure with copper cylinder | |
| CN111193361A (en) | Busbar with ladder arrangement structure | |
| CN215221204U (en) | Direct current equipment of converter station and fastener gold utensil connection structure | |
| CN210120262U (en) | Bus duct plugging device | |
| CN220672862U (en) | Low-voltage household line doubling device | |
| CN219833059U (en) | Parallel groove clamp | |
| CN217388118U (en) | Electric wire installation fixing device for electrical engineering construction | |
| CN220172399U (en) | Self-adaptation overhauls uses terminal | |
| CN214336952U (en) | Special doubling clamp for electric power installation |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |