CN108673041A - A kind of pressure vessel special welding device and welding method - Google Patents
A kind of pressure vessel special welding device and welding method Download PDFInfo
- Publication number
- CN108673041A CN108673041A CN201810803923.9A CN201810803923A CN108673041A CN 108673041 A CN108673041 A CN 108673041A CN 201810803923 A CN201810803923 A CN 201810803923A CN 108673041 A CN108673041 A CN 108673041A
- Authority
- CN
- China
- Prior art keywords
- welding
- crossbeam
- pressure vessel
- compression roller
- driving motor
- 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
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention discloses a kind of pressure vessel special welding device and welding methods, including rack and crossbeam, it is provided with driven roller below the rack, the crossbeam is located at the top of rack, it is provided with guide rail on the inside of the crossbeam, and mobile supporting block is provided on the inside of guide rail, it is provided with electric telescopic rod below the mobile supporting block, and mounting bracket is provided with below electric telescopic rod, it is provided with welding gun below the mounting bracket, and the side of welding gun is provided with compression roller, and holddown spring is provided with above compression roller, the side of first driving motor is provided with retarder.The pressure vessel special welding device is provided with compression roller, holddown spring is coordinated to use during the use of device, it being fixed in order to container to be welded, the compression roller of two relative tilts is in rotation simultaneously, the component being mutually adjacent to can be applied to two welding assemblies, be welded convenient for the fitting of component.
Description
Technical field
The present invention relates to pressure vessel manufacturing correlative technology field, specially a kind of pressure vessel special welding device and weldering
Connect method.
Background technology
Pressure vessel will generally store high pressure gas or liquid, therefore higher to pressure vessel seal request, most of pressures
Force container is all tube structure, when volume volume is larger, is often formed by more piece cylinder welding, welding procedure is reliable herein
Property be the key that determine pressure vessel overall tightness it is up to standard, but present production process be typically by human weld it is complete
At, and manual welding is time-consuming and laborious, causes working efficiency relatively low, while manual welding is also susceptible to error and manufacture flaw,
Influence product quality and safe to use.
In view of the above-mentioned problems, carrying out innovative design on the basis of original welder.
Invention content
The purpose of the present invention is to provide a kind of pressure vessel special welding device and welding methods, to solve above-mentioned background
It is proposed that pressure vessel manual welding is time-consuming and laborious in technology, production efficiency and second-rate problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of pressure vessel special welding device, including machine
Frame and crossbeam are provided with driven roller below the rack, and the side of driven roller is provided with the first driving motor, the crossbeam
The side of the top of rack, and crossbeam is provided with the second driving motor, the side of second driving motor is provided with connection
Axis device, and the end of shaft coupling is provided with lead screw, guide rail is provided on the inside of the crossbeam, and movement is provided on the inside of guide rail
Supporting block is provided with electric telescopic rod below the mobile supporting block, and is provided with mounting bracket below electric telescopic rod, institute
It states and is provided with welding gun below mounting bracket, and the side of welding gun is provided with compression roller, and be provided with compression above compression roller
The side of spring, first driving motor is provided with retarder.
Preferably, the driven roller is provided with 2, and the central axes of driven roller and the central axes of crossbeam are mutually parallel.
Preferably, the central axes of the crossbeam, lead screw and guide rail overlap, and the central axes of crossbeam and electric telescopic rod
Central axes be mutually perpendicular to.
Preferably, it is connected with each other by shaft coupling between the lead screw and the second driving motor, and lead screw and mobile support
Block is to be threadedly coupled.
Preferably, it is connected with each other by holddown spring between the mounting bracket and compression roller, and the minimum point of compression roller is high
Minimum point height of the degree less than welding gun.
Preferably, the compression roller is provided with 2, and 2 compression rollers are in the distribution that in rotational direction slopes inwardly.
Compared with prior art, the beneficial effects of the invention are as follows：The pressure vessel special welding device,
1, it is provided with driven roller, 2 driven rollers can carry out parallel support to container material during the use of device, simultaneously
Coordinate the first driving motor and retarder to use, welded vessel can be treated and slowly moved, convenient for being welded to junction
It connects；
2, it is provided with guide rail, the second driving motor and lead screw is coordinated to use during the use of device, mobile support can be made
Block steadily moves in the horizontal direction, to drive the welding gun movement of lower section, is adjusted convenient for the welding position to device；
3, it is provided with electric telescopic rod, electric telescopic rod can drive mounting bracket move down during the use of device
It is dynamic, convenient for being adjacent to for compression roller and container to be welded, while being welded close to container to be welded convenient for welding gun；
4, it is provided with compression roller, coordinates holddown spring to use during the use of device, it can be in order to the pressure of container to be welded
It fastens, while the compression roller of two relative tilts can apply the component being mutually adjacent in rotation to two welding assemblies,
It is welded convenient for the fitting of component.
Description of the drawings
Fig. 1 is positive structure schematic of the present invention；
Fig. 2 is side structure schematic diagram of the present invention；
Fig. 3 is enlarged structure schematic diagram at a in Fig. 1 of the present invention.
In figure：1, rack；2, driven roller；3, the first driving motor；4, crossbeam；5, the second driving motor；6, shaft coupling；7、
Lead screw；8, guide rail；9, mobile supporting block；10, electric telescopic rod；11, mounting bracket；12, welding gun；13, compression roller；14, bullet is compressed
Spring；15, retarder.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of pressure vessel special welding device, including rack
1, driven roller 2, the first driving motor 3, crossbeam 4, the second driving motor 5, shaft coupling 6, lead screw 7, guide rail 8, mobile supporting block 9,
Electric telescopic rod 10, mounting bracket 11, welding gun 12, compression roller 13, holddown spring 14 and retarder 15, the lower section of rack 1 are provided with
Driven roller 2, and the side of driven roller 2 is provided with the first driving motor 3, crossbeam 4 is located at the top of rack 1, and the side of crossbeam 4
It is provided with the second driving motor 5, the side of the second driving motor 5 is provided with shaft coupling 6, and the end of shaft coupling 6 is provided with silk
The inside of bar 7, crossbeam 4 is provided with guide rail 8, and the inside of guide rail 8 is provided with mobile supporting block 9, and the lower section of mobile supporting block 9 is set
It is equipped with electric telescopic rod 10, and the lower section of electric telescopic rod 10 is provided with mounting bracket 11, the lower section of mounting bracket 11 is provided with welding gun
12, and the side of welding gun 12 is provided with compression roller 13, and the top of compression roller 13 is provided with holddown spring 14, the first driving electricity
The side of machine 3 is provided with retarder 15.
The driven roller 2 of this example is provided with 2, and the central axes of driven roller 2 and the central axes of crossbeam 4 are mutually parallel, and are convenient for
It treats welded vessel and carries out smoothly support movement.
The central axes of crossbeam 4, lead screw 7 and guide rail 8 overlap, and in the central axes of crossbeam 4 and electric telescopic rod 10
Axis is mutually perpendicular to, and the movement in horizontal and vertical direction is carried out convenient for Butt welding gun 12.
It is connected with each other by shaft coupling 6 between lead screw 7 and the second driving motor 5, and lead screw 7 and mobile supporting block 9 are spiral shell
Line connects, convenient for driving mobile supporting block 9 steadily to be moved by the rotation of lead screw 7.
It is connected with each other by holddown spring 14 between mounting bracket 11 and compression roller 13, and the minimum point height of compression roller 13 is low
In the minimum point height of welding gun 12, treats after welded vessel is compressed and weld convenient for compression roller 13.
Compression roller 13 is provided with 2, and 2 compression rollers 13 are distributed in rotational direction sloping inwardly, convenient for making two to wait for
Welding material keeps being adjacent in the welding process.
A kind of pressure vessel special welding device and welding method：When using the pressure vessel special welding device, root
Shown in Fig. 1-2, the power supply of device and power grid are connected with each other first, so as to begin to use, in the use process of device
In, container material to be welded is lifted on to 2 top of driven roller of rack 1 first, by two sections of material close to being placed in parallel, so
After open the first driving motor 3, by after retarder 15 drive driven roller 2 rotated so that relay part to be welded synchronizes
Rotation opens the second driving motor 5 according to Fig.3, and lead screw 7 is driven to be rotated so that mobile supporting block 9 is along guide rail 8
It is moved, to which the welding gun 12 of lower section is moved to alignment above pad, the elongation of electric telescopic rod 10 later drives installation
Frame 11 declines, and so that inclined compression roller 13 is adjacent to relay part to be welded, and rotate therewith, while applying to two welding assemblies certain
The component being mutually adjacent to makes two welding assembly holdings be adjacent to, and welding gun 12 continues to decline later, and holddown spring 14 is shunk, welding gun
12 pairs of components weld, while driven roller 2 continues that component is driven to be rotated, to persistently complete the complete weldering of two components
It connects, the content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of pressure vessel special welding device, including rack（1）And crossbeam（4）, it is characterised in that：The rack（1）'s
Lower section is provided with driven roller（2）, and driven roller（2）Side be provided with the first driving motor（3）, the crossbeam（4）Positioned at machine
Frame（1）Top, and crossbeam（4）Side be provided with the second driving motor（5）, second driving motor（5）Side set
It is equipped with shaft coupling（6）, and shaft coupling（6）End be provided with lead screw（7）, the crossbeam（4）Inside be provided with guide rail（8）,
And guide rail（8）Inside be provided with mobile supporting block（9）, the mobile supporting block（9）Lower section be provided with electric telescopic rod
（10）, and electric telescopic rod（10）Lower section be provided with mounting bracket（11）, the mounting bracket（11）Lower section be provided with welding gun
（12）, and welding gun（12）Side be provided with compression roller（13）, and compression roller（13）Top be provided with holddown spring（14）,
First driving motor（3）Side be provided with retarder（15）, the driven roller（2）It is provided with 2, and driven roller（2）
Central axes and crossbeam（4）Central axes be mutually parallel, the crossbeam（4）, lead screw（7）And guide rail（8）Central axes phase mutual respect
It closes, and crossbeam（4）Central axes and electric telescopic rod（10）Central axes be mutually perpendicular to.
2. a kind of pressure vessel special welding device according to claim 1, it is characterised in that：The lead screw（7）With
Two driving motors（5）Between pass through shaft coupling（6）It is connected with each other, and lead screw（7）With mobile supporting block（9）To be threadedly coupled.
3. a kind of pressure vessel special welding device according to claim 1, it is characterised in that：The mounting bracket（11）With
Compression roller（13）Between pass through holddown spring（14）It is connected with each other, and compression roller（13）Minimum point height be less than welding gun（12）'s
Minimum point height.
4. a kind of pressure vessel special welding device according to claim 1, it is characterised in that：The compression roller（13）If
It is equipped with 2, and 2 compression rollers（13）In the distribution that in rotational direction slopes inwardly.
5. a kind of pressure vessel special welding device and welding method, it is characterised in that：Specifically welding method is：First by device
Power supply and power grid be connected with each other, so as to begin to use, during the use of device, first by container material to be welded
Material is lifted on rack（1）Driven roller（2）The first driving motor is then opened by two sections of material close to being placed in parallel in top
（3）, pass through retarder（15）After drive driven roller（2）It is rotated so that relay part to be welded synchronizes rotation, opens second
Driving motor（5）, drive lead screw（7）It is rotated so that mobile supporting block（9）Along guide rail（8）Moved, to will under
The welding gun of side（12）It is moved to alignment above pad, later electric telescopic rod（10）Elongation drives mounting bracket（11）Decline, makes
Inclined compression roller（13）It is adjacent to relay part to be welded, and is rotated therewith, while two welding assembly applications are centainly mutually adjacent to
Component, so that the holding of two welding assemblies is adjacent to, later welding gun（12）Continue to decline, holddown spring（14）It shrinks, welding gun（12）
Component is welded, while driven roller（2）Continue that component is driven to be rotated, to persistently complete the complete weldering of two components
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803923.9A CN108673041A (en) | 2018-07-20 | 2018-07-20 | A kind of pressure vessel special welding device and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803923.9A CN108673041A (en) | 2018-07-20 | 2018-07-20 | A kind of pressure vessel special welding device and welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108673041A true CN108673041A (en) | 2018-10-19 |
Family
ID=63814674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810803923.9A Pending CN108673041A (en) | 2018-07-20 | 2018-07-20 | A kind of pressure vessel special welding device and welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108673041A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107688A (en) * | 2019-05-17 | 2019-08-09 | 江苏久维压力容器制造有限公司 | Cover compression type pressure vessel |
| CN112222701A (en) * | 2020-09-14 | 2021-01-15 | 费建国 | Pressure vessel welding equipment and operation method |
| CN113333927A (en) * | 2021-06-04 | 2021-09-03 | 杨立涛 | Resistance welding equipment for battery tab |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058362U (en) * | 1989-03-10 | 1990-06-20 | 辽河石油勘探局淮建一公司 | Mechanically-driven device for butt-welding of steel tube |
| JPH08215839A (en) * | 1995-02-09 | 1996-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | Welding method of container inner peripheral face and equipment therefor |
| CN2848445Y (en) * | 2005-12-06 | 2006-12-20 | 宁波燎原灯具股份有限公司 | Welding machine used for processing conical shaped pipe |
| CN202199951U (en) * | 2011-07-26 | 2012-04-25 | 南京奥特电气有限公司 | Pressure arm-type automatic pipe welding machine |
| CN102689120A (en) * | 2012-06-05 | 2012-09-26 | 深圳市神拓机电设备有限公司 | Steel pipe rotation driving device |
| CN204235049U (en) * | 2014-07-07 | 2015-04-01 | 田承芳 | For the welder of tank body |
| CN206105182U (en) * | 2016-10-12 | 2017-04-19 | 天津沃盾耐磨材料有限公司 | Steel band butt welder |
| CN206351310U (en) * | 2017-01-11 | 2017-07-25 | 芜湖晶宇威尔耐磨工业有限公司 | A kind of brand-new compression roller wearing layer build-up welding apparatus |
| CN107900603A (en) * | 2017-12-28 | 2018-04-13 | 江苏巨鑫石油钢管有限公司 | A kind of auxiliary device for the docking of heavy caliber steel cylinder |
| CN207240828U (en) * | 2017-10-09 | 2018-04-17 | 上海优泰装饰材料有限公司 | A kind of heat insulating strip extrusion equipment |
| CN207272502U (en) * | 2017-09-26 | 2018-04-27 | 无锡硕普减震器有限公司 | A kind of two-sided Repair Welding Machine automatic repair welding device |
| CN208513981U (en) * | 2018-07-20 | 2019-02-19 | 盐城市大明化工机械有限公司 | A kind of pressure vessel special welding device |
-
2018
- 2018-07-20 CN CN201810803923.9A patent/CN108673041A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058362U (en) * | 1989-03-10 | 1990-06-20 | 辽河石油勘探局淮建一公司 | Mechanically-driven device for butt-welding of steel tube |
| JPH08215839A (en) * | 1995-02-09 | 1996-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | Welding method of container inner peripheral face and equipment therefor |
| CN2848445Y (en) * | 2005-12-06 | 2006-12-20 | 宁波燎原灯具股份有限公司 | Welding machine used for processing conical shaped pipe |
| CN202199951U (en) * | 2011-07-26 | 2012-04-25 | 南京奥特电气有限公司 | Pressure arm-type automatic pipe welding machine |
| CN102689120A (en) * | 2012-06-05 | 2012-09-26 | 深圳市神拓机电设备有限公司 | Steel pipe rotation driving device |
| CN204235049U (en) * | 2014-07-07 | 2015-04-01 | 田承芳 | For the welder of tank body |
| CN206105182U (en) * | 2016-10-12 | 2017-04-19 | 天津沃盾耐磨材料有限公司 | Steel band butt welder |
| CN206351310U (en) * | 2017-01-11 | 2017-07-25 | 芜湖晶宇威尔耐磨工业有限公司 | A kind of brand-new compression roller wearing layer build-up welding apparatus |
| CN207272502U (en) * | 2017-09-26 | 2018-04-27 | 无锡硕普减震器有限公司 | A kind of two-sided Repair Welding Machine automatic repair welding device |
| CN207240828U (en) * | 2017-10-09 | 2018-04-17 | 上海优泰装饰材料有限公司 | A kind of heat insulating strip extrusion equipment |
| CN107900603A (en) * | 2017-12-28 | 2018-04-13 | 江苏巨鑫石油钢管有限公司 | A kind of auxiliary device for the docking of heavy caliber steel cylinder |
| CN208513981U (en) * | 2018-07-20 | 2019-02-19 | 盐城市大明化工机械有限公司 | A kind of pressure vessel special welding device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107688A (en) * | 2019-05-17 | 2019-08-09 | 江苏久维压力容器制造有限公司 | Cover compression type pressure vessel |
| CN112222701A (en) * | 2020-09-14 | 2021-01-15 | 费建国 | Pressure vessel welding equipment and operation method |
| CN113333927A (en) * | 2021-06-04 | 2021-09-03 | 杨立涛 | Resistance welding equipment for battery tab |
| CN113333927B (en) * | 2021-06-04 | 2022-12-06 | 广东意杰科技有限公司 | Resistance welding equipment for battery tab |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108673041A (en) | A kind of pressure vessel special welding device and welding method | |
| CN208261577U (en) | A kind of steel pipe automatic flattening device | |
| CN107414375A (en) | A kind of novel welding device | |
| CN209256213U (en) | A kind of rail traffic headwall welder | |
| CN104439807A (en) | Full-automatic welding workstation and method | |
| CN110000503A (en) | A kind of rotary people welding fixture and its working method | |
| CN206396340U (en) | A kind of fixture automatic charging device | |
| CN110977235A (en) | Steel pipe installing support welding equipment | |
| CN205817177U (en) | A kind of steel pipe circular weld mechanism | |
| CN208513981U (en) | A kind of pressure vessel special welding device | |
| CN205021089U (en) | Bridge panel unit's U type muscle welding positioner | |
| CN206764085U (en) | A kind of round end cap or boss double welding gun welding tooling | |
| CN201603945U (en) | Resistance-type double-sealing-head welding machine | |
| CN107262987B (en) | Double-sided automatic welding device for web member end socket | |
| CN206732348U (en) | Safety guard net welder | |
| CN206732451U (en) | A kind of electromobile frame produces seat weld fixture apparatus | |
| CN208513891U (en) | A kind of welder for elevator production | |
| CN209256218U (en) | A kind of welder for the processing of red copper interface tube | |
| CN207748844U (en) | A kind of can sterile filling capping apparatus | |
| CN206952335U (en) | A kind of military stainless steel heat-insulation water bottle automatic profiling welding equipment | |
| CN106903472A (en) | A kind of Novel welding machine | |
| CN207858039U (en) | A kind of kettle spout automatic spot-welding device | |
| CN207358463U (en) | A kind of rotary type suspension and support processing platform | |
| CN208322476U (en) | A kind of Semiautomatic welding device of high-cleanness gas chemicals stainless steel pipe | |
| CN206838828U (en) | A kind of welding rod processes apparatus for bending |
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 |