CN113020805A - Laser engraving machine for three-dimensional application of curved surface - Google Patents
Laser engraving machine for three-dimensional application of curved surface Download PDFInfo
- Publication number
- CN113020805A CN113020805A CN202110311411.2A CN202110311411A CN113020805A CN 113020805 A CN113020805 A CN 113020805A CN 202110311411 A CN202110311411 A CN 202110311411A CN 113020805 A CN113020805 A CN 113020805A
- Authority
- CN
- China
- Prior art keywords
- cradle
- rotating shaft
- laser
- shaft part
- cam
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
- B23K26/0884—Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser marking machine for three-dimensional application of curved surfaces, which comprises: the marble worktable comprises a moving module positioned on the surface of the marble worktable and a five-axis cam turntable positioned on one side of the moving module; five cam revolving stages include: the cradle tilting arms are respectively arranged on the outer sides of two ends of the cradle tilting arms in an opposite way, and form a supporting part and a cam reduction box which are rotationally connected with the cradle tilting arms, and a rotating shaft part is arranged at the top end of the center of the cradle tilting arms; a first servo motor for driving the rotating shaft part is arranged in the cradle tilt arm, and a height adjusting platform clamped with the rotating shaft part is arranged at the top end of the rotating shaft part; an access window is arranged on one side of the supporting part, which deviates from the cradle inclined arm, and a second servo motor is arranged on the outer side of the cam reduction box. The laser engraving machine for three-dimensional application of the curved surface disclosed by the invention realizes larger coverage of the three-dimensional curved surface, has higher movement adjustment speed and meets the requirement of realizing the movement path of a highly complex solid curved surface model.
Description
Technical Field
The invention relates to the technical field of laser engraving, in particular to a laser engraving machine with a curved surface applied in a three-dimensional mode.
Background
Laser is a new light source in the 60's of the 20 th century, and has the characteristics of good directivity, high brightness, good monochromaticity, high energy density and the like. The laser industry based on lasers is rapidly developing in the world and is now widely used in industrial production, communication, information processing, medical health, military, cultural education, scientific research and other fields. Statistically, the annual and laser-related products and services have a market value of up to billions of dollars, from high-end optical fibers to common barcode scanners.
The prospect of development prospect and transformation upgrade analysis report of the laser industry of China, published by the industry research institute of prospect, shows that the laser industry forms complete and mature industrial chain distribution. The upstream mainly comprises laser materials and matched components, the midstream mainly comprises various lasers and matched equipment thereof, and the downstream mainly comprises laser application products, consumer products and instrument equipment.
At present, the domestic laser market is mainly divided into laser processing equipment, optical communication devices and equipment, laser measuring equipment, lasers, laser medical equipment, laser components and the like, and the products are mainly applied to the industrial processing and optical communication markets, and the products occupy the market space of nearly 7.
With the progress of laser technology, the laser industry in China must be rapidly developed, in five years in the future, the laser market in China is developed at a speed of about 20% under the drive of related industries, and in 2015, laser application fields in China form a laser industry group taking laser processing, laser communication, laser medical treatment, laser display, laser holography and the like as industries, so that the development prospect of the industry is good. The laser processing technology is a technology for cutting, welding, surface processing, punching, micromachining materials (including metals and non-metals) by utilizing the interaction characteristic of laser beams and substances, and serving as a light source and identifying objects, and the laser processing technology is the most widely applied field in the traditional technology. Laser marking: the laser is widely applied to various materials and almost all industries, and the currently used lasers include a YAG laser, a CO2 laser and a semiconductor pump laser. The existing laser equipment adopts three shafts, and in laser marking, the marking precision is greatly different from that of an irregular complex component due to the fact that the flatness of a marking object is limited, the marking cannot be carried out on the irregular complex component, the processing is difficult, the cost rises suddenly, and the time consumption is long.
In view of the above, there is a need for an improved apparatus in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a laser engraving machine applied to three-dimensional curved surfaces, which is suitable for three-dimensional machining of complex irregular components.
In order to achieve the above object, the present invention provides a laser imprinter for three-dimensional application of curved surface, comprising: the marble worktable comprises a moving module positioned on the surface of the marble worktable and a five-axis cam turntable positioned on one side of the moving module;
five cam revolving stages include: the cradle tilting arms are respectively arranged on the outer sides of two ends of the cradle tilting arms in an opposite way, and form a supporting part and a cam reduction box which are rotationally connected with the cradle tilting arms, and a rotating shaft part is arranged at the top end of the center of the cradle tilting arms;
a first servo motor for driving the rotating shaft part is arranged in the cradle tilt arm, and a height adjusting platform clamped with the rotating shaft part is arranged at the top end of the rotating shaft part;
an access window is arranged on one side of the supporting part, which deviates from the cradle inclined arm, and a second servo motor is arranged on the outer side of the cam reduction box.
As a further improvement of the cradle, the support part and one side of the cam reduction box facing the cradle inclined arm are both provided with rotating shafts, and the rotating shafts are driven by a second servo motor to rotate along the circumferential direction.
As a further improvement of the invention, the angle of the inclined swinging of the cradle inclined arm is between plus or minus 30 degrees.
As a further improvement of the present invention, the bottom end of the tilt arm of the cradle is kept separated from the marble work table.
As a further improvement of the invention, the rotating shaft part is driven by the first servo motor to rotate circularly, and the dividing precision is within plus or minus 5 sec.
As a further improvement of the invention, the maximum workpiece load when the rotating shaft part and the marble worktable are kept parallel is 500 KG.
As a further improvement of the invention, when the cradle tilting arm is positioned at the maximum swinging angle, the maximum workpiece load of the rotating shaft part is 300 KG.
As a further improvement of the invention, a fixing clamp is arranged on the upper end surface of the height adjusting platform.
As a further improvement of the present invention, the minimum setting unit of the rotation shaft portion and the rotation shaft is 0.001 degrees.
As a further improvement of the present invention, the braking mode of the rotating shaft portion and the rotating shaft is hydraulic pressure.
Compared with the prior art, the invention has the beneficial effects that:
(1) the utility model provides a laser imprinter that curved surface three-dimensional was used, can carry out laser treatment to irregular structures such as ball, boss, frustum, has enlarged the field scope of laser seal, can overcome the angle requirement of laser to the work piece during laser seal, can process complicated space curved surface, its simple structure, rigidity performance is good, and life reaches for a long time 10 years, and permanent tolerance control is within 5 microns.
(2) The three-axis moving module is technically matched with two axes of the five-axis cam rotary table, so that the three-dimensional curved surface can be covered in a larger range, the moving speed is higher, the laser precision is higher, and the requirement of re-engraving the moving path of a high-complexity solid curved surface model can be met.
Drawings
FIG. 1 is a schematic structural diagram of a curved surface three-dimensional laser imprinter according to the present invention;
fig. 2 is a schematic structural diagram of a curved surface three-dimensional laser imprinter in a side view.
In the figure: 1. a marble work bench; 2. a moving module; 3. a five-axis cam turntable; 31. a cradle tilt arm; 32. a support portion; 33. a cam reduction box; 34. a rotating shaft part; 35. a first servo motor; 36. a second servo motor; 37. and (6) overhauling the window.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Fig. 1 to fig. 2 show an embodiment of a laser imprinter for three-dimensional application of curved surfaces according to the present invention.
The invention provides a laser marking machine for three-dimensional application of curved surfaces, which comprises: the marble working table comprises a marble working table 1, a moving module 2 positioned on the surface of the marble working table 1, and a five-axis cam rotary table 3 positioned on one side of the moving module 2; the positioning accuracy of the mobile module 2 is within the range of 0.002-0.005mm, and the mobile module 2 comprises: the embedded linear motor X-axis module, the embedded linear motor Y-axis module and the high-precision Z-axis module are arranged in the embedded linear motor X-axis module; embedded linear electric motor X axle module embeds first direction arresting gear, and first direction arresting gear includes: the linear motor is distributed along the horizontal parallel direction, the linear guide rails are vertically distributed on two sides of the linear motor, a plurality of groups of heavy-duty sliding blocks are arranged on the linear guide rails, and the grating ruler is positioned between the linear motor and the heavy-duty sliding blocks; the embedded linear motor X-axis module drives the embedded linear motor Y-axis module positioned above to move along the horizontal direction; the built-in second direction arresting gear of embedded linear electric motor Y axle module, second direction arresting gear includes: the linear motor is distributed along the horizontal and vertical direction, the linear guide rails are vertically distributed on two sides of the linear motor, a plurality of groups of heavy-duty sliding blocks are arranged on the linear guide rails, and the grating ruler is positioned between the linear motor and the heavy-duty sliding blocks; the embedded linear motor X-axis module and the embedded linear motor Y-axis module respectively drive the high-precision Z-axis module from the horizontal parallel direction and the horizontal vertical direction; the high-precision Z-axis module is internally provided with a precision module lead screw and is provided with a grating ruler, and the external top end of the high-precision Z-axis module is provided with a servo motor.
Five cam revolving stages 3 include: a U-shaped cradle tilt arm 31, a support part 32 and a cam reducer 33 which are respectively arranged at the outer sides of the two ends of the cradle tilt arm 31 in an opposite way and are rotationally connected with the cradle tilt arm 31, and a rotating shaft part 34 arranged at the central top end of the cradle tilt arm 31; a first servo motor 35 for driving the rotating shaft part 34 is arranged in the cradle tilting arm 31, and a height adjusting platform clamped with the rotating shaft part 34 is arranged at the top end of the rotating shaft part 34; through the altitude mixture control platform, on the one hand can the most effective quick distance of regulation focus, on the other hand, the processing of the little work piece of being convenient for. An access window 37 is arranged on one side of the support part 32 departing from the cradle tilting arm 31, and the cradle tilting arm is convenient to maintain and repair due to the arrangement of the access window. A second servo motor 36 is disposed outside the cam gear box 33. The support part 32 and one side of the cam reduction box 33 facing the cradle tilt arm 31 are both provided with rotating shafts, and the rotating shafts are driven by a second servo motor 36 to rotate along the circumferential direction. The angle of the inclined swinging of the cradle inclined arm 31 is between plus or minus 30 degrees. The bottom end of the cradle tilt arm 31 is kept separated from the marble work table 1, and the cradle tilt arm 31 is prevented from colliding with the marble work table 1 when rotating, so that a sufficient space is reserved. The rotary shaft portion 34 is driven to rotate circularly by a first servo motor 35, and the division accuracy is within plus or minus 5 sec. The maximum workpiece load when the rotating shaft 34 is parallel to the marble table 1 is 500 KG. When the cradle tilt arm 31 is at the maximum swing angle, the maximum workpiece load of the rotating shaft part 34 is 300 KG. The upper end face of the height adjusting platform is provided with a fixing clamp, so that a workpiece can be conveniently fixed, and unnecessary loss caused by the fact that the workpiece deviates from a processing position in the rotating process of the cradle tilting arm 31 is prevented. The minimum setting unit of the rotating shaft portion 34 and the rotating shaft is 0.001 degree. The braking mode of the rotating shaft part 34 and the rotating shaft is oil pressure, and the five-shaft cam rotary table 3 can be quickly and effectively controlled to move. The extended cradle tilting shaft and the rotating shaft can realize the covering of a larger range of the three-dimensional curved surface, the motion adjustment speed is relatively high, and the motion path of a high-complexity solid curved surface model can be realized.
The utility model provides a laser imprinter that curved surface three-dimensional was used, can carry out laser treatment to irregular structures such as ball, boss, frustum, has enlarged the field scope of laser seal, can overcome the angle requirement of laser to the work piece during laser seal, can process complicated space curved surface, its simple structure, rigidity performance is good, and life reaches for a long time 10 years, and permanent tolerance control is within 5 microns. The three-axis moving module 2 is technically matched with two axes of the five-axis cam rotary table 3, so that the three-dimensional curved surface can be covered in a larger range, the moving speed is higher, the laser precision is higher, and the requirement of complex engraving of the moving path of a high-complexity solid curved surface model can be met.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A laser imprinter for three-dimensional application of curved surfaces, comprising: the marble worktable comprises a moving module positioned on the surface of the marble worktable and a five-axis cam turntable positioned on one side of the moving module;
five cam revolving stages include: the cradle tilting arms are respectively arranged on the outer sides of two ends of the cradle tilting arms in an opposite way, and form a supporting part and a cam reduction box which are rotationally connected with the cradle tilting arms, and a rotating shaft part is arranged at the top end of the center of the cradle tilting arms;
a first servo motor for driving the rotating shaft part is arranged in the cradle tilt arm, and a height adjusting platform clamped with the rotating shaft part is arranged at the top end of the rotating shaft part;
an access window is arranged on one side of the supporting part, which deviates from the cradle inclined arm, and a second servo motor is arranged on the outer side of the cam reduction box.
2. The laser imprinter for curved surface three-dimensional application according to claim 1, wherein the support part and the side of the cam reduction box facing the cradle tilt arm are provided with rotating shafts, and the rotating shafts are driven by a second servo motor to rotate along the circumferential direction.
3. The laser imprinter according to claim 2, wherein the angle of the tilting arm of the cradle is between plus or minus 30 degrees.
4. The laser imprinter for curved three-dimensional applications according to claim 1, wherein the bottom end of the cradle tilt arm is kept separate from the marble table.
5. A laser imprinter for three-dimensional application of curved surfaces according to claim 1, wherein said spindle is driven by a first servo motor to rotate circularly with a division precision of plus or minus 5 sec.
6. The laser imprinter for three-dimensional application of curved surfaces according to claim 2, wherein the maximum workpiece weight of the rotating shaft part and the marble table kept parallel is 500 KG.
7. The laser imprinter for three-dimensional curved surface application according to claim 2, wherein the maximum workpiece load of the rotating shaft part is 300KG when the cradle tilt arm is at the maximum swing angle.
8. The laser marking machine for three-dimensional application of curved surfaces according to claim 1, wherein the height adjusting platform is provided with a fixing clamp on the upper end surface.
9. The laser imprinter for three-dimensional application of curved surfaces according to claim 1, wherein the minimum set unit of the rotation shaft portion and the rotation shaft is 0.001 degree.
10. The laser imprinter for three-dimensional application of curved surfaces according to claim 1, wherein the brake mode of the rotating shaft part and the rotating shaft is oil pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110311411.2A CN113020805A (en) | 2021-03-24 | 2021-03-24 | Laser engraving machine for three-dimensional application of curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110311411.2A CN113020805A (en) | 2021-03-24 | 2021-03-24 | Laser engraving machine for three-dimensional application of curved surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113020805A true CN113020805A (en) | 2021-06-25 |
Family
ID=76473091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110311411.2A Pending CN113020805A (en) | 2021-03-24 | 2021-03-24 | Laser engraving machine for three-dimensional application of curved surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113020805A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240910A (en) * | 2011-07-01 | 2011-11-16 | 沈阳机床(集团)有限责任公司 | Mechanical type numerical control double-shaft turntable device |
| CN204868367U (en) * | 2015-07-17 | 2015-12-16 | 深圳市万嘉科技有限公司 | Processing equipment and processing lines |
| CN205237541U (en) * | 2015-12-22 | 2016-05-18 | 上海拓璞数控科技有限公司 | Five vertical machining center of two revolving stages |
| CN205520078U (en) * | 2016-02-01 | 2016-08-31 | 江苏亚太霍夫曼金属打印科技有限公司 | Five laser cladding mechanisms |
| CN106799613A (en) * | 2016-12-29 | 2017-06-06 | 大族激光科技产业集团股份有限公司 | A kind of processing method of laser composite manufacture device and complex parts |
| CN207309412U (en) * | 2017-09-19 | 2018-05-04 | 东莞市沃迪士精密机械有限公司 | A kind of new roller cam gapless five-shaft numerical control rotary table |
| CN111015253A (en) * | 2019-12-31 | 2020-04-17 | 苏州古田自动化科技有限公司 | Five-axis structure of cam-type cradle |
-
2021
- 2021-03-24 CN CN202110311411.2A patent/CN113020805A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240910A (en) * | 2011-07-01 | 2011-11-16 | 沈阳机床(集团)有限责任公司 | Mechanical type numerical control double-shaft turntable device |
| CN204868367U (en) * | 2015-07-17 | 2015-12-16 | 深圳市万嘉科技有限公司 | Processing equipment and processing lines |
| CN205237541U (en) * | 2015-12-22 | 2016-05-18 | 上海拓璞数控科技有限公司 | Five vertical machining center of two revolving stages |
| CN205520078U (en) * | 2016-02-01 | 2016-08-31 | 江苏亚太霍夫曼金属打印科技有限公司 | Five laser cladding mechanisms |
| CN106799613A (en) * | 2016-12-29 | 2017-06-06 | 大族激光科技产业集团股份有限公司 | A kind of processing method of laser composite manufacture device and complex parts |
| CN207309412U (en) * | 2017-09-19 | 2018-05-04 | 东莞市沃迪士精密机械有限公司 | A kind of new roller cam gapless five-shaft numerical control rotary table |
| CN111015253A (en) * | 2019-12-31 | 2020-04-17 | 苏州古田自动化科技有限公司 | Five-axis structure of cam-type cradle |
Non-Patent Citations (1)
| Title |
|---|
| 魏保志: "《创新汇智 热点技术专利分析》", 31 January 2019, 知识产权出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207873426U (en) | Claw, turntable and process equipment | |
| CN107214422A (en) | A kind of double end asynchronous excitation cutting machine | |
| CN106938397A (en) | Multi-axle multi-station endoporus cuts with scissors top gem of a girdle-pendant lathe | |
| CN212217783U (en) | Vertical series-parallel carving machine | |
| CN214558313U (en) | High-precision three-dimensional high-speed laser cutting device | |
| CN113020805A (en) | Laser engraving machine for three-dimensional application of curved surface | |
| CN207043747U (en) | A kind of Polyhedron processing center | |
| CN210588449U (en) | Ion source five-axis tracking mechanism for ion beam polishing machine and optical part machining equipment | |
| CN212042999U (en) | Automatic angle regulation's rack grinding machine | |
| CN112571068A (en) | Horizontal five-axis turning and milling composite machining center with opposite double main shafts | |
| CN209756590U (en) | Five-axis three-dimensional engraving machine | |
| CN111098042A (en) | Three-dimensional five-axis linkage laser cutting equipment | |
| CN114589410A (en) | Laser engraving device for three-dimensional texture forming | |
| CN217202956U (en) | Numerical control type ductile iron special-shaped piece laser cladding repair equipment | |
| CN113001029A (en) | Laser equipment of multidimension degree stamp mark | |
| CN210678026U (en) | Horizontal machine tool | |
| CN109677171B (en) | Engraving machine | |
| CN113814577A (en) | Five-axis linkage laser three-dimensional cutting machine | |
| CN113843529A (en) | Laser cutting machine for machining automobile equipment | |
| CN206343773U (en) | A kind of optical-fiber laser cutting machine | |
| CN220881339U (en) | Machining center of crown block gantry type five-axis structure | |
| CN117182121B (en) | Five-axis processing equipment | |
| CN218745657U (en) | Automatic retracting and releasing pressing and positioning mechanism for laser engraving machine | |
| CN218694894U (en) | Table-type triaxial engraving and milling marking tool for gantry | |
| CN212793536U (en) | Five-axis linkage laser processing system |
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 |