CN113346410B - Electric power construction wire tightening device and method - Google Patents
Electric power construction wire tightening device and method Download PDFInfo
- Publication number
- CN113346410B CN113346410B CN202110631322.6A CN202110631322A CN113346410B CN 113346410 B CN113346410 B CN 113346410B CN 202110631322 A CN202110631322 A CN 202110631322A CN 113346410 B CN113346410 B CN 113346410B
- Authority
- CN
- China
- Prior art keywords
- arc
- shaped plate
- wire
- transmission line
- base
- 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
Images
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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Abstract
The utility model discloses an electric power construction tensioner bullwheel includes: the fixing ring is arranged on the side surface of the base; the wire guide wheel is arranged at one end of the upper part of the base; the wire coil is arranged at the other end of the upper part of the base; a ratchet wheel is arranged at one end of the wire coil, and a pawl matched with the ratchet wheel is arranged on the base; a spiral groove is formed in the winding part of the wire coil, and a clamping piece is arranged in the spiral groove; this openly has realized that the staff carries out the taut purpose of work of transmission line on ground, through the setting of ratchet, has avoided the problem of drum gyration, simultaneously, through set up spiral groove on the drum and set up the clamping piece in the recess, has solved the taut fixed problem on the drum of transmission line.
Description
Technical Field
The disclosure belongs to the technical field of power equipment, and particularly relates to a power construction line tightening device and method.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
With the progress of national economy, people have more and more large demand on electric power, and the construction and the updating of electric power equipment in electric power construction are accelerated continuously; in the construction of electric power equipment, the construction of a power transmission line is particularly important, the construction workload is large, and the laying of the power transmission line is mainly based on the erection mode of an overhead power transmission line in China; in the process of erecting the overhead electric wire, the worker is required to lay and strain the electric wire on a pole or a power transmission tower, and the construction difficulty of tensioning the electric wire is high due to the fact that the length of the overhead electric wire is long and the weight of a free sagging section is large.
In order to solve the problem of tensioning operation of the overhead transmission line during construction, various electric power construction line tensioning devices are developed by related units and individuals; the inventor finds that the existing electric power construction wire tightening device has the problems that workers need to carry out high-altitude operation on a wire rod, the wire coil winding capacity is not enough, the rotation is easy to occur, the transmission line cannot obtain a fixing requirement in an initial tightening stage, and the like.
Disclosure of Invention
The electric power construction stringing device and the electric power construction stringing method achieve the purpose that workers carry out electric power transmission line tensioning work on the ground, the problem of rotation of a wire coil is avoided through the arrangement of a ratchet wheel, and meanwhile, the fixing problem that the electric power transmission line is tensioned on the wire coil is solved through the arrangement of a spiral groove on the wire coil and the arrangement of a clamping piece in the groove.
In order to achieve the above object, a first technical solution of the present disclosure is an electric power construction line tightening device, and the present disclosure adopts the following technical solutions:
an electric power construction tensioner bullwheel comprising:
a base;
the fixing ring is arranged on the side surface of the base and used for fixing the wire tightening device on the wire rod;
the wire guide wheel is arranged at one end of the upper part of the base to realize the guide of the power transmission line;
the wire coil is arranged at the other end of the upper part of the base; a ratchet wheel is arranged at one end of the wire coil, and a pawl matched with the ratchet wheel is arranged on the base; the wire winding part of the wire coil is provided with a spiral groove, and a clamping piece is arranged in the spiral groove.
Furthermore, the retainer plate includes the fixed second retainer plate in first retainer plate and the base upper end that the base lower extreme set up.
Further, the wire guide wheel is fixed on the base through a tripod, and a cross beam is arranged in the middle of the tripod; the wire guide wheel comprises a first wire guide wheel far away from the wire coil and a second wire guide wheel close to the wire coil, and the height of the first wire guide wheel is lower than that of the second wire guide wheel.
Further, a handle is arranged on the ratchet wheel.
Furthermore, the clamping pieces are multiple and are uniformly arranged along the axis direction of the wire coil.
Furthermore, the clamping piece comprises a first arc-shaped plate and a second arc-shaped plate, wherein the openings of the first arc-shaped plate and the second arc-shaped plate are oppositely arranged, the first arc-shaped plate and the second arc-shaped plate are respectively connected with one ends of a first connecting rod and a second connecting rod, and the other ends of the first connecting rod and the second connecting rod are hinged on the same telescopic device; the spiral groove is internally provided with a space for accommodating the first arc-shaped plate and the second arc, a tapered hole for accommodating the first connecting rod and the second connecting rod is formed in the space, and the end, facing the inside of the wire coil, of the tapered hole is a smaller-diameter end.
Further, rubber layers are arranged on the inner sides of the first arc-shaped plate and the second arc-shaped plate.
Furthermore, a plurality of bulges are uniformly distributed on the inner sides of the first arc-shaped plate and the second arc-shaped plate.
Furthermore, the lower part of the base is provided with a travelling wheel.
In order to achieve the purpose, a second technical scheme of the disclosure is an electric power construction wire tightening method, which adopts the electric power construction wire tightening device in the first scheme; the concrete content is as follows:
the wire tightening device moves to the operation area;
the fixing ring is fixed on the wire rod in the working area;
the transmission line respectively bypasses the lower part of the first wire guide wheel, the upper part of the second wire guide wheel and the lower part of the wire coil;
the end part of the power transmission line is placed at one end of the spiral groove, and the telescopic device corresponding to the fastening piece is started to fasten the power transmission line;
rotate the handle, the power transmission line is constantly twined in the spiral groove, starts the clamping piece that corresponds in proper order and fixes the power transmission line.
Compared with the prior art, the beneficial effect of this disclosure is:
1. according to the wire coil fixing device, the ratchet wheel is arranged at one end of the wire coil, so that the wire coil is fixed under the action of the pawl, and the problem that the wire coil rotates under the action of a power transmission line is solved.
2. The method and the device realize the wire tightening operation of the power transmission line on the ground by the workers, and solve the safety problem caused by the high-altitude operation of the workers.
3. This openly set up the fixed of spiral groove power transmission line when being used for the tight line to begin on the drum, improved the winding ability of power transmission line on the drum, set up a plurality of clamping pieces simultaneously in the recess, guaranteed the fixed effect of power transmission line on the drum, avoided the problem that tight line in-process power transmission line skidded on the drum.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the present embodiments, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the present embodiments and together with the description serve to explain the present embodiments without unduly limiting the present embodiments.
Fig. 1 is a front view of embodiment 1 of the present disclosure;
fig. 2 is a top view of example 1 of the present disclosure;
fig. 3 is a schematic view of the clamping member and power transmission line of example 1 of the present disclosure;
fig. 4 is a schematic view showing a state where the clamping member of embodiment 1 of the present disclosure clamps the power transmission line;
FIG. 5 is a schematic view of a rubber layer on the clamping member of example 1 of the present disclosure;
fig. 6 is a schematic view of a protrusion on a clamping member according to embodiment 1 of the present disclosure.
In the figure, 1, a base, 2, a first fixed ring, 3, a second fixed ring, 4, a first wire guide wheel, 5, a second wire guide wheel, 6, a handle, 7, a wire coil, 8, a ratchet wheel, 9, a pawl, 10 travelling wheels, 11, a spiral groove, 12, a clamping piece, 1201, a first clamping piece, 1203, a second clamping piece, 1203, a first connecting rod, 1204, a second connecting rod, 1205 and a telescopic device; 1206. rubber layer 1207, bulge, 13, power line.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example 1:
as shown in fig. 1, the present disclosure provides an electric power construction tensioner comprising a base 1, a retainer ring, a wire wheel, and a wire coil 7.
In the embodiment, a walking wheel 10 is arranged at the lower part of the base 1, and the walking wheel 10 can be arranged at the lower part of the base 1 in a bolt fixing manner; preferably, the walking wheels 10 are 4 and are respectively arranged at 4 corners of the base, and 2 walking wheels close to the wire coil 7 on the base 1 are universal wheels.
4 travelling wheels 10 are arranged at the lower part of the base 1, so that the wire tightening device can travel according to working requirements, and the use flexibility of the device is improved; 2 walking wheels close to the wire coil 7 adopt universal wheels, so that the change of a route in the process of carrying the wire tightening device is facilitated.
In this embodiment, the fixing rings include a first fixing ring 2 disposed at the lower end of the side surface of the base 1 and a first fixing ring 3 disposed at the upper end of the side surface of the base 1, and the two fixing rings are fixed on the wire rod at the same time, so that the stability of the wire tightening device is improved; specifically, the retainer plate is circular, and its diameter designs according to the line pole diameter, the articulated setting of a semicircle ring of retainer plate can realize opening and shutting of ring, and two semicircles trade and link the department and set up the otic placode, set up the through-hole on the otic placode, carry out solid fixed ring's closure through set up fastening bolt in the through-hole.
In the embodiment, the wire guide wheel is fixed on the base through a tripod, and a beam is arranged in the middle of the tripod; said wire guide wheels comprising a first wire guide wheel 4 distal from said spool 7 and a second wire guide wheel proximal to said spool 7, said first wire guide wheel 4 being lower in height than said second wire guide wheel 5; specifically, as shown in fig. 2, the number of the triangular supports is two, the triangular supports are arranged on the base 1 in a bolt connection or welding manner, the axis of the wire guide wheel has a certain length to ensure that the power transmission line moves left and right, and protrusions are arranged at two ends of the wire guide wheel to prevent the power transmission line from separating from the wire guide wheel; the rolling of the wire guide wheel is achieved by means of the cooperation of the bearing and the shaft, which is not described in detail here.
In this embodiment, the wire coil 7 is rotatably arranged on the base through a bracket; a ratchet wheel 8 is arranged at one end of the wire coil 7, a pawl 9 matched with the ratchet wheel 8 is arranged on the base 1, and a handle 6 is arranged on the ratchet wheel 7; when receiving the line, operating personnel rotates handle 6 for ratchet 8 with drum 7 rotates, drum 7 rotates and realizes receiving the line of power transmission line under the effect of pawl 9, ratchet 8 with drum 7 can not turn round, has avoided leading to under the power transmission line effect the problem of drum 7 gyration has improved the tight line effect simultaneously.
In this embodiment, a spiral groove 11 is provided on the winding portion of the wire coil 7, and a plurality of clamping members 12 are provided in the spiral groove 11, and are uniformly arranged along the axial direction of the wire coil 7.
As shown in fig. 3, in particular, the clamping member 12 includes a first arc plate 1201 and a second arc plate 1202 with opposite openings, the first arc plate 1201 and the second arc plate 1202 are respectively connected to one ends of a first connecting rod 1203 and a second connecting rod 1204, and the other ends of the first connecting rod 1203 and the second connecting rod 1204 are hinged to a same telescopic device 1205; a space for accommodating the first arc-shaped plate 1201 and the second arc 1202 is arranged in the spiral groove 11, tapered holes for accommodating the first connecting rod 1203 and the second connecting rod 1204 are formed in the space, and one end of each tapered hole facing the inside of the wire coil is a smaller-diameter end; it should be noted that, the telescopic device 1205 may be a hydraulic telescopic rod, and is fixed in the inner space of the wire coil, and the specific telescopic control of the telescopic device 1205 is the prior art and will not be described in detail herein.
As shown in fig. 4, the telescopic device 1205 drives the first connecting rod 1203 and the second connecting rod 1204 to move downward, and the first arc-shaped plate 1201 and the second arc-shaped plate 1202 are fastened under the interference of the tapered holes, so as to fix the power transmission line 13.
Preferably, as shown in fig. 5, a rubber layer 1206 is disposed inside the first arc-shaped plate 1201 and the second arc-shaped plate 1202, so as to avoid damage to the sheath of the power transmission line 13 due to excessive force.
Example 2:
as shown in fig. 6, the present disclosure provides an electric power construction stringing device, which is different from the electric power construction stringing device in embodiment 1, in that a plurality of protrusions 1207 are uniformly distributed on the inner sides of the first arc-shaped plate 1201 and the second arc-shaped plate 1202, and the arrangement of the protrusions 1207 improves the friction force between the arc-shaped plates and the power transmission line 13, so that the fastening effect is better, and the electric power construction stringing device is suitable for the stringing operation of the power transmission line 13 which allows a short winding length.
Example 3:
the embodiment discloses an electric power construction wire tightening method, which adopts the electric power construction wire tightening devices in the embodiments 1 and 2; the concrete contents are as follows:
the wire tightening device moves to the operation area;
the fixing ring is fixed on the wire rod in the working area;
the transmission line respectively passes through the lower part of the first wire guide wheel 4, the upper part of the second wire guide wheel 5 and the lower part of the wire coil 7; the trend of the power transmission line forms a triangular structure, and the line tightening effect on the power transmission line is improved.
The end part of the transmission line is placed at one end of the spiral groove 11, and the telescopic device corresponding to the clamping piece 12 is started to clamp the transmission line;
the handle 6 is rotated, the power transmission line is continuously wound in the spiral groove, and the corresponding clamping pieces 12 are sequentially started to fix the power transmission line.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present embodiment shall be included in the protection scope of the present embodiment.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (4)
1. The utility model provides an electric power construction tensioner bullwheel which characterized in that includes:
a base;
the fixing ring is arranged on the side surface of the base;
the wire guide wheel is arranged at one end of the upper part of the base; the wire guide wheel is fixed on the base through a tripod, and a beam is arranged in the middle of the tripod; the wire guide wheel comprises a first wire guide wheel far away from the wire coil and a second wire guide wheel close to the wire coil, and the height of the first wire guide wheel is lower than that of the second wire guide wheel; the power transmission line respectively bypasses the lower part of the first wire guide wheel, the upper part of the second wire guide wheel and the lower part of the wire coil; the trend of the power transmission line forms a triangular structure;
the wire coil is arranged at the other end of the upper part of the base; a ratchet wheel is arranged at one end of the wire coil, and a pawl matched with the ratchet wheel is arranged on the base; a spiral groove is formed in the winding part of the wire coil, and a clamping piece is arranged in the spiral groove; a handle is arranged on the ratchet wheel;
the clamping piece comprises a first arc-shaped plate and a second arc-shaped plate, wherein the openings of the first arc-shaped plate and the second arc-shaped plate are oppositely arranged, the first arc-shaped plate and the second arc-shaped plate are respectively connected with one end of a first connecting rod and one end of a second connecting rod, and the other ends of the first connecting rod and the second connecting rod are hinged on the same telescopic device; a space for accommodating the first arc-shaped plate and the second arc-shaped plate is arranged in the spiral groove, tapered holes for accommodating the first connecting rod and the second connecting rod are formed in the space, and one end, facing the inside of the wire coil, of each tapered hole is a smaller-diameter end; the telescopic device drives the first connecting rod and the second connecting rod to move downwards, and the first arc-shaped plate and the second arc-shaped plate are clamped tightly under the interference of the tapered holes, so that the power transmission line is fixed;
rubber layers are arranged on the inner sides of the first arc-shaped plate and the second arc-shaped plate;
the clamping pieces are uniformly arranged along the axial direction of the wire coil; a plurality of bulges are uniformly distributed on the inner sides of the first arc-shaped plate and the second arc-shaped plate.
2. The electric power construction tensioner as claimed in claim 1, wherein the fixing ring comprises a first fixing ring provided at a lower end of the base and a second fixing ring fixed at an upper end of the base.
3. The electric power construction stringing device as defined in claim 1, wherein the base is provided at a lower portion thereof with road wheels.
4. An electric power construction line tightening method, characterized in that the electric power construction line tightening device of any one of claims 1 to 3 is adopted; the concrete content is as follows:
the wire tightening device moves to the operation area;
the fixing ring is fixed on the wire rod in the working area;
the power transmission line respectively bypasses the lower part of the first wire guide wheel, the upper part of the second wire guide wheel and the lower part of the wire coil;
the end part of the power transmission line is placed at one end of the spiral groove, and the telescopic device corresponding to the fastening piece is started to fasten the power transmission line;
rotate the handle, the power transmission line constantly twines in the spiral groove, starts the clamping piece that corresponds in proper order and fixes the power transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110631322.6A CN113346410B (en) | 2021-06-07 | 2021-06-07 | Electric power construction wire tightening device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110631322.6A CN113346410B (en) | 2021-06-07 | 2021-06-07 | Electric power construction wire tightening device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113346410A CN113346410A (en) | 2021-09-03 |
| CN113346410B true CN113346410B (en) | 2022-10-18 |
Family
ID=77474572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110631322.6A Active CN113346410B (en) | 2021-06-07 | 2021-06-07 | Electric power construction wire tightening device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113346410B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443592A (en) * | 2014-11-28 | 2015-03-25 | 重庆市川瑞俞厨食品有限公司 | Clamp forceps for can packaging |
| CN206475200U (en) * | 2017-02-14 | 2017-09-08 | 泉州苗亿自动化机械有限公司 | Casting clamping jaw structure |
| CN208196308U (en) * | 2018-05-24 | 2018-12-07 | 宋秀群 | A kind of tubular object extruding clamping device |
| CN208869079U (en) * | 2018-09-21 | 2019-05-17 | 国家电网公司 | A kind of power line bobbin winder device easy to use |
| CN209516470U (en) * | 2019-04-02 | 2019-10-18 | 徐州市彭源电力安装工程有限公司 | A kind of power ampere loads line apparatus |
| CN211437818U (en) * | 2019-12-24 | 2020-09-08 | 山东裕泰石油装备有限公司 | Multifunctional necking machine |
| CN112172596A (en) * | 2020-10-21 | 2021-01-05 | 永康普物电子科技有限公司 | Electric motor car trades battery website by oneself |
| CN112319281A (en) * | 2020-11-19 | 2021-02-05 | 苏州碳索能源科技有限公司 | New energy charging pile device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100956799B1 (en) * | 2008-04-29 | 2010-05-07 | 이상철 | Wedge clamp for fixing steel wire |
| CN204854692U (en) * | 2015-06-25 | 2015-12-09 | 国网山东省电力公司济南供电公司 | Cable length -measuring appliance |
| CN205911709U (en) * | 2016-06-25 | 2017-01-25 | 苏州市吴中区欣鑫开关配件厂 | Power transmission line straining device |
| CN206827835U (en) * | 2017-06-01 | 2018-01-02 | 泉州装备制造研究所 | A kind of combination unit for power transmission and transformation installation |
| CN108622724A (en) * | 2018-05-22 | 2018-10-09 | 安徽电信器材贸易工业有限责任公司 | A kind of universal optical reeler in adjustable rotating hole |
| CN209844409U (en) * | 2019-06-13 | 2019-12-24 | 中国石油化工股份有限公司 | Hoisting frame for power transmission line |
| CN213302402U (en) * | 2020-07-09 | 2021-05-28 | 赵俊 | Positioning device for rush repair of power distribution network based on triangular balance |
| CN213230932U (en) * | 2020-09-10 | 2021-05-18 | 青岛睿尔泽电子科技有限公司 | Wire harness branching device |
-
2021
- 2021-06-07 CN CN202110631322.6A patent/CN113346410B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443592A (en) * | 2014-11-28 | 2015-03-25 | 重庆市川瑞俞厨食品有限公司 | Clamp forceps for can packaging |
| CN206475200U (en) * | 2017-02-14 | 2017-09-08 | 泉州苗亿自动化机械有限公司 | Casting clamping jaw structure |
| CN208196308U (en) * | 2018-05-24 | 2018-12-07 | 宋秀群 | A kind of tubular object extruding clamping device |
| CN208869079U (en) * | 2018-09-21 | 2019-05-17 | 国家电网公司 | A kind of power line bobbin winder device easy to use |
| CN209516470U (en) * | 2019-04-02 | 2019-10-18 | 徐州市彭源电力安装工程有限公司 | A kind of power ampere loads line apparatus |
| CN211437818U (en) * | 2019-12-24 | 2020-09-08 | 山东裕泰石油装备有限公司 | Multifunctional necking machine |
| CN112172596A (en) * | 2020-10-21 | 2021-01-05 | 永康普物电子科技有限公司 | Electric motor car trades battery website by oneself |
| CN112319281A (en) * | 2020-11-19 | 2021-02-05 | 苏州碳索能源科技有限公司 | New energy charging pile device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113346410A (en) | 2021-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113937665B (en) | Cable tensioning device for overhead laying of cables based on electric power engineering | |
| CN209419096U (en) | Transmission line of electricity block device | |
| CN113346410B (en) | Electric power construction wire tightening device and method | |
| CN205348010U (en) | Pull change of friction formula anchor jib and use device | |
| CN109494621B (en) | Power transmission line blocking device | |
| CN113581313A (en) | Cable climbing robot | |
| CN207582311U (en) | A kind of intelligent equipment that is wrapped of bridge cable PVF bands | |
| CN210297198U (en) | Cable adapter for electric power engineering | |
| CN104184096B (en) | Automatic locking shockproof hammer | |
| CN210483198U (en) | Electric power tower | |
| CN206076833U (en) | A kind of wire-binding device of convenient use | |
| CN106276401A (en) | A kind of wire carrier structure of spiral capable of circulation | |
| CN210680463U (en) | Clamping line type contact net elastic sling installation device | |
| CN206188114U (en) | Wire carrier structure of circulated spiral | |
| CN207512611U (en) | A kind of drafting tool for steel strand wires | |
| CN210047556U (en) | Body of rod climbing robot | |
| CN202279551U (en) | Pipe reeling device and engineering machinery | |
| CN219801699U (en) | Cable traction device | |
| CN113415678B (en) | Temporary supporting structure for laying power line | |
| CN220822415U (en) | Wire fixing device for distribution live working | |
| JP2004023858A (en) | Cable transferring method and device for stringing cable | |
| CN108512126A (en) | A kind of power ampere loads line apparatus | |
| CN215119877U (en) | Electric power construction draw gear | |
| CN216382816U (en) | Circuit stretching rotating shaft | |
| CN212050142U (en) | Triangular self-balancing hoisting rigging for hoisting truss |
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 |