CN113518752B - Driving of reel cutters - Google Patents
Driving of reel cutters Download PDFInfo
- Publication number
- CN113518752B CN113518752B CN201980093292.9A CN201980093292A CN113518752B CN 113518752 B CN113518752 B CN 113518752B CN 201980093292 A CN201980093292 A CN 201980093292A CN 113518752 B CN113518752 B CN 113518752B
- Authority
- CN
- China
- Prior art keywords
- drive
- winding
- roll
- web
- parent roll
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/145—Reel-to-reel type web winding and unwinding mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/044—Sensing web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
- B65H23/198—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations motor-controlled (Controlling electrical drive motors therefor)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4148—Winding slitting
Abstract
The invention relates to a method and a device for winding a material web (1) onto a winding drum (2) in a roll cutter after longitudinal cutting of the material web (1) unwound from a parent roll (4) to form a winding drum (3), wherein the parent roll (4) and the winding drum (3) are driven and the web draw between the parent roll (4) and the winding drum (3) is measured. The winding result in the reel cutter is improved in that the drive (8) of the parent reel (4) or the drive (9, 10) of the winding reel (3) is effected in dependence on the operating state in such a way that the web tension lies within a predetermined interval.
Description
Technical Field
The invention relates to a method for winding a material web onto a winding drum in a roll cutter after longitudinal cutting of the material web unwound from a parent roll to form a winding roll, wherein the parent roll and the winding roll are driven.
The invention also relates to a device for winding a material web onto a winding drum in a roll cutter after longitudinal cutting of the material web unwound from a parent roll to form a winding roll, which device is used for carrying out the method, which device comprises two carrier rollers arranged axially parallel to each other for supporting the winding roll with the formation of two winding gaps, wherein in a first winding gap the material web is guided to the winding roll with at least partial winding of a first carrier roller and a second carrier roller placed after the first carrier roller in the running direction of the material web is not wound by the material web, the parent roll and the first carrier roller being provided with a drive with a control unit, respectively, and at least one sensor for detecting the tension of the material web being arranged between the parent roll and the first carrier roller.
Background
The invention is described below in connection with the treatment of a paper web. The invention can be used correspondingly in other similarly processed webs. For example, but not exclusively, a material web of cardboard, paperboard, plastic or metal foil.
The paper web is produced in a paper machine with a relatively large width of up to 11m or more. The production is in practice carried out almost continuously. The product running direction of the paper machine defines here the longitudinal direction of all the machines and devices in the paper mill and the transverse direction perpendicular thereto in the horizontal plane.
At the end of the paper machine, the resulting web is wound onto a winding core with full width. The winding cores are regularly replaced, generally at continuous production. A roll over the width of a web formed in this way is often referred to as a parent roll or whole cylinder.
For the convenience of subsequent users, such as printing plants, the web wound on the parent roll must be cut into a plurality of parallel extending sub-webs, the width of which is adapted to the respective subsequent user. The width may vary greatly from case to case, and therefore the web is typically divided according to individually definable cutting dies. The sub-web is then wound into a wound roll, called sub-web roll or finished roll, and is jointly output as a so-called roll stack. The cutting dies for each roll set may be different. The longitudinal cutting and winding are suitably carried out in a single machine, commonly referred to as a roll cutting apparatus.
All the winding devices described above, that is to say the winding device for producing parent rolls and the winding device for producing child or finished rolls, have in common that the web to be wound for forming a winding roll forms a winding gap with at least one winding roller on which the web is supported or is placed against or on which the winding roller and which is therefore referred to as a support roller or carrier roller. These take-up rolls, which are in direct contact with the winding being formed, are therefore also direct acting tools by means of which the winding quality can be influenced.
The main drive of the winding is rotation-speed-controllable and determines the speed of the roll cutter, the drive of the parent roll being effected in torque-controlled manner by means of superimposed web traction adjustment.
In particular, during unwinding acceleration and braking, fluctuations in web tension occur in this case, which impair the winding effect. The rotational quality of the parent roll is very important here.
But the parent roll is quite uneven in terms of specific gravity because it is generally stiffer in the core winding than in the outer portion. The calculation of the rotational mass and thus the control of the drive torque during acceleration and braking is therefore very inaccurate.
Such a machine is described, for example, in document DE3030798A1 and DE102010039007 A1.
In document EP2133298 A2 (fuite patent co. Responsible) published 12/16 2009, an apparatus and a method are described which detect the web tension between parent roll and winding roll by means of a measuring device and control the drive of the carrier roller and winding roll by means of pre-adjustment and fine adjustment and separate these two controls from each other.
Disclosure of Invention
The technical problem to be solved by the invention is to improve the winding effect in a roll cutter.
The invention solves the technical problem by realizing the driving of the parent roll or the driving of the winding roll according to the running state, so that the web tension is in a preset interval.
In this way fluctuations in the force ratio in the range between unwinding and winding can be reduced. The force ratio in the winding area is thus stable and reproducible.
Since the web tension varies particularly strongly, for example during acceleration and braking, the driving of the winding during acceleration and braking of the unwinding is responsible for the regulation of the web tension. The drive of the parent roll determines the facility speed. Also advantageous in peristaltic processes.
Since the weight of the wound roll is significantly smaller, the effective turning mass is also significantly smaller than in the parent roll.
In the case of the production speed of unwinding, the driving of the parent roll is responsible for the regulation of the web tension, as is usual and proven to be appropriate before. The drive of the winding determines the speed of the installation in this operating state.
The intermittent rotational speed of the parent roll is controllably/adjustably driven and the intermittent torque is controllably/adjustably driven depending on or depending on the operating conditions.
Advantageously, the parent roll should be driven during the peristaltic process, at the acceleration or braking of the unwinding, at a rotational speed controllable/adjustable, and at the production speed of the unwinding, at a torque controllable/adjustable.
In contrast, the winding should be driven at least in a main rotational speed controllable/adjustable manner.
It is important in connection with this device that at least one sensor for detecting the web tension is arranged between the parent roll and the first carrier roller, which sensor can be connected to the control unit for the drive of the parent roll or the control unit for the drive of the first carrier roller, depending on the operating state, by means of the machine control.
Drawings
The invention is further illustrated below according to one embodiment. In the drawings:
fig. 1 shows a schematic structure of a roll cutter.
Detailed Description
The preferred embodiment of the winding device according to the invention shown in the figures is realized in combination with a roll cutting device designed as a carrier roller winding device.
The main components of the reel-cutting device are an unwinding device 15, in which a paper web 1, which in its width corresponds substantially to the working width of a paper machine, which is preceded by the reel-cutting device and is not shown here, is pulled out of the parent reel 4, a cutting section 17, in which cutting section 17 the paper web 1 is divided longitudinally in its running direction to produce sub-webs of selectable width format, and a winding device 16 in its winding area.
The parent roll 4 is provided with its own drive 8 with a control unit.
The cutting section 17 comprises for this purpose, as a main component, a generally disk-shaped cutting device, which is shown here in the form of an interacting upper blade 18 and lower blade 19.
In order to prevent vibrations of the running web 1 in the region of the cutting section 17, which is defined by the deflection roller 20 in the example shown.
In addition to the two idlers 5, 6, at least one winding 3 to be wound and the support roller 21 form the main elements of the winding device 16. Although only the end face of the single winding 3 is visible in the figure, it is considered here that the further winding 3, which is located behind the winding 3 shown, is located in the winding bed formed by the two carrier rollers 5, 6 in the Y-direction extending into the drawing plane.
The coils 3 formed during the winding process are each composed of a winding drum 2 at the core thereof, to which the beginning of the final section of the sub-web of the web 1 is connected and then bound by continuous winding in the formation of a so-called winding layer.
The two idlers 5, 6 arranged axially parallel to one another serve to support the winding drum 3 with the formation of two winding gaps 11, 12, wherein in the first winding gap 11 the material web 1 is guided to the winding drum 3 with partial winding of the first idler 5 and the second idler 6, which is arranged behind the first idler 5 in the web travel direction 7, is not wound by the material web 1.
The second carrier roller 6, which forms a second winding gap 12 on the outer circumference of the winding 3 in the direction of rotation of the winding 3, is always mechanically coupled to the first carrier roller 5 via the winding 3.
The two carrier rollers 5, 6 are each assigned a drive 9, 10 with a control unit. It has proven to be suitable here if the first support roller 5 is speed-adjustable and the second support roller 6 is torque-adjustable in the web travel direction 7 of the web 1, wherein the torque adjustment of the second support roller 6 takes place independently of the influence of the actual value of the speed of the first support roller 5 and the load distribution takes place in such a way that the winding reel 3 is driven at least predominantly in a speed-adjusted manner.
The idlers 5, 6 may have elastic support means for damping or dampening vibrations. Likewise, at least one of the two idlers 5, 6 may have a coating or sheath that acts on the web 1.
In order to ensure a continuous unwinding and winding process with optimal winding results, it is necessary that the web traction of the web between unwinding and winding is substantially constant so as not to cause damage to the web 1. Winding errors caused by uneven web pulling can be reflected in, for example, cracks or wrinkles and can also lead to corresponding indirect damage. However, particularly during acceleration and braking, considerable variations in web traction can occur.
Thus, the unwinding and winding processes must be mutually adapted. For this purpose, the drive 8 of the parent roll 4 and the drives 9, 10 of the idlers 5, 6 are connected by their respective control units to a machine control 14.
In addition, the web drag of the web 1 between the parent roll 4 and the first carrier roller 5 is detected by the sensor 13 and is transferred to the machine unit 14.
The control device is understood here to be the entirety of the functional components and their couplings required for performing the control and regulation tasks. This includes the control device, the regulator, the means for detecting the actual value, the disturbance variable and the adjustment means, and their interconnection means.
Depending on the operating state, the machine control 14 should ensure that the drive 8 of the parent roll 4 or the drives 9, 10 of the winding roll 3 is implemented such that the web tension lies within a predetermined interval.
For this purpose, the sensor 13 is connected to the control unit of the drive 8 of the parent roll 4 or the control unit of the drive 9 of the first carrier roller 5 for the upper web-pulling control, as a function of the operating state, by means of the machine control 14.
In normal operation, i.e. at the production speed of unwinding, the drive 8 of the parent roll 4 is effected in torque-controlled manner by means of an upper-level web-pulling control, so that the web tension lies within a predetermined interval. The drive 9 of the first carrier roller 5 is in this case only rotational speed-adjustable.
In contrast, during the peristaltic process and during the acceleration or braking of the unwinding, the drive 9 of the first carrier roller 5 is effected in a rotation-speed-controlled manner by the upper-level web-pulling control, so that the web tension lies within a predetermined interval. The drive 8 of the parent roll 4 is here only rotational speed-adjustable.
This means that the parent roll 4 is intermittently driven in a rotational speed-regulated manner and intermittently in a torque-regulated manner.
During critical creep, acceleration and braking, the relevant turning mass is thus substantially determined by the winding 3 being significantly lighter than the parent roll 4, which minimizes fluctuations in web tension.
Claims (9)
1. Method for winding a material web (1) onto a winding drum (2) in a roll cutter after longitudinal cutting of the material web (1) unwound from a parent roll (4) to form a winding drum (3), wherein the parent roll (4) and the winding drum (3) are driven, web traction between the parent roll (4) and the winding drum (3) is measured, characterized in that the drive (8) of the parent roll (4) or the first drive (9) and the second drive (10) of the winding drum (3) is effected in dependence on the operating state such that the web tension lies within a preset interval, wherein the operating state comprises an unwinding production speed situation, wherein in the unwinding production speed situation the drive of the parent roll is effected in a torque-controlled manner by means of an upper-level web traction adjustment, and the drive of the first drive (9) is here only rotational speed adjustable.
2. A method according to claim 1, characterized in that the driving (9, 10) of the winding (3) is effected during acceleration or braking of the unwinding so that the web tension is within a predetermined interval.
3. A method according to claim 1 or 2, characterized in that the driving (9, 10) of the winding (3) is performed during the peristaltic process such that the web tension is within a predetermined interval.
4. A method according to claim 1 or 2, characterized in that in the case of the production speed of the unwinding, the drive (8) of the parent roll (4) is effected such that the web tension lies within a predetermined interval.
5. A method according to claim 1 or 2, characterized in that the intermittent rotational speed is controllable/adjustable and the intermittent torque is controllable/adjustable to drive said parent roll (4).
6. A method according to claim 1 or 2, characterized in that at least the main rotational speed is controllable/adjustable for driving said winding (3).
7. A method according to claim 1 or 2, characterized in that the rotational speed drives the parent roll (4) controllably/adjustably during the peristaltic process, at acceleration of the unwinding or at braking of the unwinding.
8. A method according to claim 1 or 2, characterized in that the torque drives the parent roll (4) controllably/adjustably in the case of the production speed of the unwinding.
9. Device for winding a material web (1) onto a winding drum (2) in a roll cutter after longitudinal cutting of the material web (1) unwound from a parent roll (4) to form a winding drum (3), for carrying out the method according to one of the preceding claims, comprising two rolls arranged axially parallel to each other, namely a first roll (5) and a second roll (6), for supporting the winding drum (3) with the formation of two winding gaps (11, 12), wherein in the first winding gap (11) the material web (1) is guided to the winding drum (3) with the first roll (5) at least partly wound, and in the web running direction (7) the second roll (6) placed after the first roll (5) is not wound by the material web (1), the parent roll (4) is provided with a drive (8) with a control unit and the first roll (5) is provided with a drive (9) with a control unit,
at least one sensor (13) for detecting the web tension is arranged between the parent roll (4) and the first carrier roller (5), characterized in that the sensor (13) can be connected to a control unit of the drive (8) of the parent roll (4) or to a control unit of the drive (9) of the first carrier roller by means of a machine control (14) as a function of the operating state, wherein the operating state comprises an unwinding production speed situation, wherein the control unit of the drive (8) of the parent roll (4) and the control unit of the drive (9) of the first carrier roller are configured such that in the unwinding production speed situation the drive of the parent roll is realized by means of an upper web traction control in a torque-controlled manner, and the drive of the first drive (9) is here only rotational speed-adjustable.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019105485.0A DE102019105485A1 (en) | 2019-03-05 | 2019-03-05 | Slitter winder drive |
| DE102019105485.0 | 2019-03-05 | ||
| PCT/EP2019/084303 WO2020177910A1 (en) | 2019-03-05 | 2019-12-10 | Driving of a roll slitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113518752A CN113518752A (en) | 2021-10-19 |
| CN113518752B true CN113518752B (en) | 2023-07-28 |
Family
ID=68841133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980093292.9A Active CN113518752B (en) | 2019-03-05 | 2019-12-10 | Driving of reel cutters |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3934997B1 (en) |
| CN (1) | CN113518752B (en) |
| DE (1) | DE102019105485A1 (en) |
| WO (1) | WO2020177910A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021119111A1 (en) | 2021-07-23 | 2022-09-22 | Voith Patent Gmbh | Method and device for winding up a material web in a slitting machine |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3810589A (en) * | 1972-01-28 | 1974-05-14 | J Mousseau | Process and apparatus for winding sheet material |
| US4238082A (en) * | 1979-08-14 | 1980-12-09 | Lund Morten A | Method and apparatus for slitting and rewinding web materials |
| CN2097192U (en) * | 1990-12-08 | 1992-02-26 | 常州轻工机械厂 | Rewinder |
| DE4402874A1 (en) * | 1994-02-01 | 1995-08-03 | Beloit Technologies Inc | System for creating a perfect winding structure |
| CN2207371Y (en) * | 1994-04-01 | 1995-09-13 | 河南省周口市实用机械研究所 | Computer-controlled precision disk paper cutter |
| JPH09172795A (en) * | 1995-12-18 | 1997-06-30 | Toshiba Corp | Winder controller |
| EP1215321B1 (en) * | 2000-11-07 | 2007-04-04 | Tsudakoma Kogyo Kabushiki Kaisha | Take-up motion control system for loom |
| DE102008002315A1 (en) * | 2008-06-09 | 2009-12-10 | Voith Patent Gmbh | Method for optimizing the operation of a device for winding a material web in a slitter-winder and slitter-winder |
| FI20086059L (en) * | 2008-11-10 | 2010-05-11 | Metso Paper Inc | The method in connection with a fiber web length cutter |
| DE102010039007A1 (en) * | 2010-08-06 | 2012-02-09 | Voith Patent Gmbh | Method for winding a material web and roll cutting device |
| CN203033520U (en) * | 2012-12-25 | 2013-07-03 | 广州鹿山新材料股份有限公司 | Film cutting equipment |
| CN203033522U (en) * | 2012-12-28 | 2013-07-03 | 湖南晶鑫科技股份有限公司 | Novel slitting machine |
| CN205099047U (en) * | 2015-10-27 | 2016-03-23 | 吉安市三江超纤无纺有限公司 | Non -woven fabrics cuts coiling mechanism for facial mask |
| CN108217270A (en) * | 2018-03-19 | 2018-06-29 | 浙江德龙科技有限公司 | A kind of transmission and tension control system and its control method |
| CN109051948A (en) * | 2018-07-09 | 2018-12-21 | 广东辰宇电气有限公司 | A kind of rewinding machine electric control system |
-
2019
- 2019-03-05 DE DE102019105485.0A patent/DE102019105485A1/en active Pending
- 2019-12-10 CN CN201980093292.9A patent/CN113518752B/en active Active
- 2019-12-10 WO PCT/EP2019/084303 patent/WO2020177910A1/en unknown
- 2019-12-10 EP EP19817691.9A patent/EP3934997B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3934997C0 (en) | 2024-02-21 |
| CN113518752A (en) | 2021-10-19 |
| DE102019105485A1 (en) | 2020-09-10 |
| EP3934997B1 (en) | 2024-02-21 |
| WO2020177910A1 (en) | 2020-09-10 |
| EP3934997A1 (en) | 2022-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2847115B1 (en) | Controller and system for controllably rotating a roll of material | |
| EP1056666B1 (en) | Method and apparatus in reeling of a web | |
| KR102407024B1 (en) | Tension Control Direct Driven Roller Festoon | |
| US6578479B2 (en) | Method of operating a web-fed rotary printing machine | |
| CN113518752B (en) | Driving of reel cutters | |
| MXPA05003861A (en) | A method for unwinding rolls of web material. | |
| CN213230248U (en) | Shaftless transmission device of flexo printing machine | |
| US20130277489A1 (en) | Method and Device for Winding of Fiber Webs, Especially of Partial Paper and Board Webs | |
| EP2133298A2 (en) | Method of optimising the operation of a device to roll up a sheet of material in a roll cutting device and roll cutting device | |
| FI121460B (en) | Carrier roller wheelchair and method for operating a carrier roller wheelchair | |
| JP6476014B2 (en) | Method for preventing wrinkle generation in winder device | |
| US4171942A (en) | Calendering installation for thermoplastic sheets | |
| CN108622698B (en) | Method for controlling the operation of a winder for a fibrous web | |
| US7011267B2 (en) | Method and device for winding a paper or board web | |
| JP2604334B2 (en) | Web processing machine | |
| CN113165822B (en) | Rewinding machine and method for controlling the speed of a motor in a rewinding machine | |
| EP2749513A1 (en) | Method of operating a slitter-winder for winding fiber webs | |
| JP7301614B2 (en) | Winder device operation control method | |
| CN219832725U (en) | Winding equipment | |
| JP7364361B2 (en) | Winder device operation control method | |
| EP2341021A2 (en) | Roll winding device | |
| JPH0696420B2 (en) | Winding method | |
| JP2006016099A (en) | Sheet winding apparatus | |
| DE102021119111A1 (en) | Method and device for winding up a material web in a slitting machine | |
| KOrea | Factors to Consider when Choosing |
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 |