CN114703556A - Filament dividing device - Google Patents

Filament dividing device Download PDF

Info

Publication number
CN114703556A
CN114703556A CN202210127923.8A CN202210127923A CN114703556A CN 114703556 A CN114703556 A CN 114703556A CN 202210127923 A CN202210127923 A CN 202210127923A CN 114703556 A CN114703556 A CN 114703556A
Authority
CN
China
Prior art keywords
filament
backup pad
silk
assembly
transmission
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
Application number
CN202210127923.8A
Other languages
Chinese (zh)
Inventor
陆建峰
徐明峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Pan Bo Automobile Fiber Co ltd
Original Assignee
Jiangsu Pan Bo Automobile Fiber Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Pan Bo Automobile Fiber Co ltd filed Critical Jiangsu Pan Bo Automobile Fiber Co ltd
Priority to CN202210127923.8A priority Critical patent/CN114703556A/en
Publication of CN114703556A publication Critical patent/CN114703556A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D11/00Other features of manufacture
    • D01D11/02Opening bundles to space the threads or filaments from one another
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06Washing or drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The invention discloses a filament dividing device, which belongs to the technical field of filament processing and comprises a first supporting plate, wherein conveying rollers are arranged at two ends of the first supporting plate, a filament dividing mechanism is arranged on the side surface of the first supporting plate, the filament dividing mechanism comprises a filament dividing assembly for dividing filaments, a driving assembly for driving the filament dividing assembly to be in a working state, and a cleaning assembly for cleaning the filaments by matching with the filament dividing assembly, the driving assembly is arranged at two ends of the filament dividing assembly, the cleaning assembly is arranged at one end of the filament dividing assembly, which is far away from the filaments, the filament dividing assembly comprises a fourth supporting plate, and a third supporting plate is arranged at one side of the fourth supporting plate at intervals; the filament separating device is simple in structure, convenient to use, low in cost and low in fault rate, and when the filament separating device is used, filaments interwoven together are separated through the mutual matching of the filament separating assembly and the driving assembly, so that the using effect of the filament separating device is better.

Description

Filament dividing device
Technical Field
The invention belongs to the technical field of silk thread processing, and particularly relates to a filament dividing device.
Background
The filament is a filament with very long length, which can be divided into monofilament and multifilament, the filament is a filament produced by extruding spinning fluid continuously from a spinneret orifice, cooling by air or coagulating in a coagulating bath to form a filament, and then performing post-processing procedures such as stretching, twisting or deforming, the filament is easy to interweave together in the processing process, and a filament dividing device is needed to divide the filament at the moment;
the traditional filament separating device comprises a bottom plate, a clamping plate, a filament separating plate, an adjusting motor, a hydraulic rod, a linear motor, a telescopic rod and the like, and has the advantages that the filament separating direction can be adjusted, so that multi-directional transmission is achieved through filament separation;
however, the filament separating device cannot separate the interlaced filaments, so that the use effect of the filament separating device is not ideal, and the popularization and the use of the filament separating device are not facilitated.
Disclosure of Invention
The invention aims to provide a filament dividing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a long filament divides silk device, includes first backup pad, and the both ends of first backup pad are provided with the conveying roller, the side of first backup pad is provided with divides silk mechanism, divides silk mechanism including being used for playing the branch silk subassembly that divides the silk effect to the long filament, be used for the drive to divide the drive assembly that the silk subassembly is in operating condition, be used for the cooperation to divide the clearance subassembly that the silk subassembly played the clearance effect to the long filament, and drive assembly sets up at the both ends of dividing the silk subassembly, and the clearance subassembly setting is dividing the one end that the silk subassembly kept away from the long filament.
As a further scheme of the invention: divide the silk subassembly to include the fourth backup pad, one side interval of fourth backup pad is provided with the third backup pad, and the side of third backup pad is provided with the branch silk board that is used for playing branch silk effect to long filament, and the both ends of third backup pad are provided with the scalable bracing piece corresponding with the fourth backup pad, and the both ends of fourth backup pad are provided with and are used for the drive to divide the elastic drive piece that the silk board is close to the fourth backup pad.
As a still further scheme of the invention: the elastic driving piece is a spring or an elastic rubber belt.
As a still further scheme of the invention: the side of the fourth supporting plate is provided with an elastic gas transmission cover, and the side of the wire separating plate is provided with a plurality of slag discharging through holes corresponding to the elastic gas transmission cover.
As a still further scheme of the invention: the material of dividing the silk board is rubber or silica gel.
As a still further scheme of the invention: the drive assembly comprises a driver, a transmission disc is arranged at the output end of the driver, a transmission pipe is arranged at one side of the transmission disc at an interval, transmission rods used for playing a transmission role are arranged at two ends of the transmission pipe, and a transmission column used for driving the transmission pipe to perform vertical reciprocating motion is arranged at one end of the transmission disc.
As a still further scheme of the invention: the driver is an electric motor or a pneumatic motor.
As a still further scheme of the invention: the clearance subassembly includes the bin, and the inside of bin is provided with the filter plate, and the both ends of bin are provided with the division board corresponding with the filter plate.
As a still further scheme of the invention: the cleaning assembly further comprises an air pumping piece, the air pumping piece is arranged at two ends of the storage box, a single-pass air pumping pipe used for forming negative pressure in the storage box is arranged at one end of the air pumping piece, and a single-pass exhaust pipe is arranged on one side of the single-pass air pumping pipe.
As a still further scheme of the invention: one side interval of first backup pad is provided with the second backup pad, and the both ends of second backup pad are provided with the adjustable support pole that is used for playing the altitude mixture control effect to first backup pad.
Compared with the prior art, the invention has the beneficial effects that: the filament separating device is simple in structure, convenient to use, low in cost and low in fault rate, when the filament separating device is used, filaments interwoven together are separated through the mutual matching of the filament separating component and the driving component, so that the using effect of the filament separating device is better, and secondly, the filament separating device can clean filament wadding remaining on the surfaces of the filaments through the linkage matching of the driving component, the filament separating component and the cleaning component, so that the functions of the filament separating device are richer, and the filament separating device is worthy of popularization and use.
Drawings
FIG. 1 is a schematic structural view of a filament dividing device;
FIG. 2 is a schematic structural view of a yarn separating mechanism in a filament yarn separating device;
FIG. 3 is a schematic view of a third support plate in a filament separating device;
FIG. 4 is a schematic view of a cleaning assembly in a filament separating device;
FIG. 5 is a schematic view of a driving assembly in a filament dividing apparatus;
in the figure: 1-a first supporting plate, 2-a conveying roller, 3-a wire separating mechanism, 4-a second supporting plate, 5-an adjustable supporting rod, 31-a cleaning component, 32-a driving component, 33-a wire separating component, 311-a one-way exhaust pipe, 312-a storage box, 313-a one-way exhaust pipe, 314-an exhaust component, 315-a separating plate, 316-a filter screen plate, 321-a driver, 322-a driving disc, 323-a driving pipe, 324-a driving rod, 325-a driving column, 331-a wire separating plate, 332-a third supporting plate, 333-an elastic gas conveying cover, 334-a fourth supporting plate, 335-an elastic driving component, 336-a telescopic supporting rod and 337-a slag discharging through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed.
The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1 and 2, the present embodiment provides a filament dividing device, including a first support plate 1, two ends of the first support plate 1 are provided with conveying rollers 2, a filament dividing mechanism 3 is provided on a side surface of the first support plate 1, the filament dividing mechanism 3 includes a filament dividing assembly 33 for dividing filaments, a driving assembly 32 for driving the filament dividing assembly 33 to be in a working state, and a cleaning assembly 31 for cleaning the filaments by matching with the filament dividing assembly 33, the driving assembly 32 is provided at two ends of the filament dividing assembly 33, and the cleaning assembly 31 is provided at one end of the filament dividing assembly 33 away from the filaments;
referring to fig. 2 and fig. 3, in an embodiment, in order to make the filament dividing effect of the filament dividing assembly 33 better, in the embodiment, preferably, the filament dividing assembly 33 includes a fourth support plate 334, a third support plate 332 is disposed at an interval on one side of the fourth support plate 334, a filament dividing plate 331 for dividing filaments is disposed on a side surface of the third support plate 332, two ends of the third support plate 332 are provided with retractable support rods 336 corresponding to the fourth support plate 334, two ends of the fourth support plate 334 are provided with elastic driving members 335 for driving the filament dividing plate 331 to approach the fourth support plate 334, the elastic driving members 335 are springs or elastic rubber belts, when the third support plate 332 drives the filament dividing plate 331 to move upward to divide filaments into flaps, the elastic driving members 335 drive the third support plate 332 to move downward, so that the third support plate 332 performs a vertical reciprocating motion;
referring to fig. 2 and 3, in an embodiment, in order to make the function of the wire separating assembly 33 more abundant, in this embodiment, preferably, an elastic gas transmission cover 333 is disposed on a side surface of the fourth supporting plate 334, a plurality of slag discharge through holes 337 corresponding to the elastic gas transmission cover 333 are disposed on a side surface of the wire separating plate 331, and the wire separating plate 331 and the elastic gas transmission cover 333 are made of rubber or silica gel;
when the device is used, the filaments are flapped through the vertical reciprocating motion of the filament separating plate 331, so that the interlaced filaments are separated, and a filament separating effect is achieved;
in another embodiment, the filament separating assembly 33 includes a fourth support plate 334, a third support plate 332 is disposed at an interval on one side of the fourth support plate 334, a filament separating plate 331 for separating filaments is disposed on a side surface of the third support plate 332, a retractable support rod 336 corresponding to the fourth support plate 334 is disposed at two ends of the third support plate 332, and a limit spring corresponding to the third support plate 332 is disposed at two ends of the filament separating plate 331, so as to play a role of buffering through the limit spring when in use;
referring to fig. 5, in an embodiment, in order to improve the driving effect of the driving assembly 32, in the embodiment, preferably, the driving assembly 32 includes a driver 321, an output end of the driver 321 is provided with a driving disc 322, one side of the driving disc 322 is provided with driving pipes 323 at intervals, two ends of the driving pipes 323 are provided with driving rods 324 for performing a driving function, one end of the driving disc 322 is provided with a driving post 325 for driving the driving pipes 323 to perform a vertical reciprocating motion, and the driver 321 is a motor or a pneumatic motor;
when the device is used, the driver 321 drives the transmission disc 322 to rotate, so that the transmission disc 322 is matched with the transmission post 325 to drive the transmission pipe 323 to vertically reciprocate, and the transmission pipe 323 is matched with the transmission rod 324 to drive the third support plate 332 to vertically reciprocate;
in another embodiment, the driving assembly 32 includes a motor, a driving cam is disposed at an output end of the motor, and the driving cam is driven to rotate by the motor when in use, and the third supporting plate 332 is driven to vertically reciprocate by the rotation of the driving cam;
referring to fig. 2, 3 and 4, in one embodiment, in order to make the use of the cleaning assembly 31 more reliable, in this embodiment, preferably, the cleaning assembly 31 includes a storage tank 312, the connection between the storage tank 312 and the first support plate 1 has good sealing performance, a filter screen 316 is disposed inside the storage tank 312, two ends of the storage tank 312 are provided with partition plates 315 corresponding to the filter screen 316, the connection between the partition plates 315 and the storage tank 312 has good sealing performance, and the silk wadding is stored through the storage tank 312 during use;
referring to fig. 4, in an embodiment, in order to enable the cleaning assembly 31 to clean the filaments better, in this embodiment, preferably, the cleaning assembly 31 further includes an air extractor 314, the air extractor 314 is disposed at two ends of the storage box 312, the air extractor 314 is a piston cylinder or an elastic air bag, one end of the air extractor 314 is provided with a one-way air extracting pipe 311 for forming a negative pressure in the storage box 312, and one side of the one-way air extracting pipe 311 is provided with a one-way air exhausting pipe 313;
when the air suction device 314 is used, the air suction device 314 is driven to continuously extend and contract, when the air suction device 314 extends, the one-way air suction pipe 311 sucks air in the storage box 312, negative pressure is formed inside the storage box 312, and therefore silk flock on the filaments can be sucked into the storage box 312 for storage;
in another embodiment, the cleaning assembly 31 includes a storage tank 312, a filter screen 316 is disposed inside the storage tank 312, partition plates 315 corresponding to the filter screen 316 are disposed at two ends of the storage tank 312, a negative pressure fan for forming negative pressure inside the storage tank 312 is fixedly connected to two ends of the storage tank 312, and the filter screen 316 prevents lint from entering the negative pressure fan;
referring to fig. 1, in an embodiment, in order to make the application range of the yarn separating device wider, in the embodiment, preferably, a second supporting plate 4 is arranged at an interval on one side of the first supporting plate 1, and adjustable supporting rods 5 for adjusting the height of the first supporting plate 1 are arranged at two ends of the second supporting plate 4, so that the height of the first supporting plate 1 can be adjusted by the adjustable supporting rods 5 during use, the yarn separating device can meet the use requirements under different conditions, and the applicability of the yarn separating device is improved.
The working principle and the using process of the invention are as follows: when the device is used, the filament dividing device is installed and fixed in a conventional mode, the filaments are conveyed through the conveying roller 2, the filaments move transversely above the filament dividing plate 331, then the filament dividing plate 331 is driven by the driver 321 to do vertical reciprocating motion, so that the filaments are intermittently flapped through the filament dividing plate 331, the filaments which are interwoven together are separated, the filament dividing operation is realized, meanwhile, the residual filament flocs on the filaments fall down through the beating of the filaments, and the filaments are cleaned;
secondly, when dividing filament plate 331 to carry out vertical reciprocating motion, carry out work through third backup pad 332 drive piece 314 of taking out air, make piece 314 of taking out air constantly extend and contract, thereby form the negative pressure in the inside of bin 312 through piece 314 of taking out air, the cooperation is to the patting of long filament, the realization is to the high-efficient clearance of long filament, make debris on the long filament get into and store in the bin 312, make the function of dividing the silk device abundanter, promote the quality of long filament, be worth promoting and using.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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. The utility model provides a long filament divides silk device, includes first backup pad, and the both ends of first backup pad are provided with conveying roller, its characterized in that: the side of first backup pad is provided with divides silk mechanism, divides silk mechanism including being used for playing the branch silk subassembly that divides the silk effect to the long filament, be used for the drive to divide the drive assembly that the silk subassembly is in operating condition, be used for the cooperation to divide the clearance subassembly that the silk subassembly played the clearance effect to the long filament, drive assembly sets up at the both ends of dividing the silk subassembly, and the clearance subassembly sets up the one end of keeping away from the long filament at the branch silk subassembly.
2. A filament dividing apparatus as defined in claim 1, wherein: divide the silk subassembly to include the fourth backup pad, one side interval of fourth backup pad is provided with the third backup pad, and the side of third backup pad is provided with the branch silk board that is used for playing branch silk effect to the long filament, and the both ends of third backup pad are provided with the scalable bracing piece corresponding with the fourth backup pad, and the both ends of fourth backup pad are provided with and are used for the drive to divide the silk board to be close to the elastic drive spare of fourth backup pad.
3. A filament dividing apparatus as defined in claim 2, wherein: the elastic driving piece is a spring or an elastic rubber belt.
4. A filament dividing apparatus as defined in claim 2, wherein: the side of the fourth supporting plate is provided with an elastic gas transmission cover, and the side of the wire separating plate is provided with a plurality of slag discharge through holes corresponding to the elastic gas transmission cover.
5. A filament dividing apparatus as defined in claim 4, wherein: the material of dividing the silk board is rubber or silica gel.
6. A filament dividing apparatus as defined in claim 4, wherein: the drive assembly comprises a driver, a transmission disc is arranged at the output end of the driver, a transmission pipe is arranged at one side of the transmission disc at an interval, transmission rods used for playing a transmission role are arranged at two ends of the transmission pipe, and a transmission column used for driving the transmission pipe to perform vertical reciprocating motion is arranged at one end of the transmission disc.
7. A filament dividing apparatus as defined in claim 6, wherein: the driver is an electric motor or a pneumatic motor.
8. A filament dividing apparatus as defined in claim 6, wherein: the clearance subassembly includes the bin, and the inside of bin is provided with the filter plate, and the both ends of bin are provided with the division board corresponding with the filter plate.
9. A filament dividing apparatus as defined in claim 8, wherein: the cleaning assembly further comprises an air pumping piece, the air pumping piece is arranged at two ends of the storage box, a single-pass air pumping pipe used for forming negative pressure in the storage box is arranged at one end of the air pumping piece, and a single-pass exhaust pipe is arranged on one side of the single-pass air pumping pipe.
10. A filament dividing apparatus according to any one of claims 1 to 9, wherein: one side interval of first backup pad is provided with the second backup pad, and the both ends of second backup pad are provided with the adjustable support pole that is used for playing the altitude mixture control effect to first backup pad.
CN202210127923.8A 2022-02-11 2022-02-11 Filament dividing device Pending CN114703556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210127923.8A CN114703556A (en) 2022-02-11 2022-02-11 Filament dividing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210127923.8A CN114703556A (en) 2022-02-11 2022-02-11 Filament dividing device

Publications (1)

Publication Number Publication Date
CN114703556A true CN114703556A (en) 2022-07-05

Family

ID=82167695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210127923.8A Pending CN114703556A (en) 2022-02-11 2022-02-11 Filament dividing device

Country Status (1)

Country Link
CN (1) CN114703556A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005033394A2 (en) * 2003-09-02 2005-04-14 Karl Mayer Malimo Textilmaschinenfabrik Gmbh Method and device for feeding and fixing band-shaped filament bundles
CN107881617A (en) * 2017-12-13 2018-04-06 常州市新创智能科技有限公司 A kind of yarn opens up fine cornerite automatic regulating apparatus and its control method
CN211142331U (en) * 2019-09-06 2020-07-31 天津工大航泰复合材料有限公司 Fiber bundle yarn vibration yarn spreading device based on hot air flow fusion fiber expansion
CN111975549A (en) * 2020-08-26 2020-11-24 田小华 Grinding device for hardware processing with cleaning function
CN213925223U (en) * 2020-10-26 2021-08-10 智上新材料科技(东台)有限公司 Expansion device of carbon fiber tows
CN113370059A (en) * 2021-08-12 2021-09-10 徐州益和木业有限公司 Plank burnishing device is used in furniture production
CN214736387U (en) * 2021-04-30 2021-11-16 杭州辰泽新材料有限公司 Multi-directional adjustable yarn separating device for high-strength polyester filament yarns

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005033394A2 (en) * 2003-09-02 2005-04-14 Karl Mayer Malimo Textilmaschinenfabrik Gmbh Method and device for feeding and fixing band-shaped filament bundles
CN107881617A (en) * 2017-12-13 2018-04-06 常州市新创智能科技有限公司 A kind of yarn opens up fine cornerite automatic regulating apparatus and its control method
CN211142331U (en) * 2019-09-06 2020-07-31 天津工大航泰复合材料有限公司 Fiber bundle yarn vibration yarn spreading device based on hot air flow fusion fiber expansion
CN111975549A (en) * 2020-08-26 2020-11-24 田小华 Grinding device for hardware processing with cleaning function
CN213925223U (en) * 2020-10-26 2021-08-10 智上新材料科技(东台)有限公司 Expansion device of carbon fiber tows
CN214736387U (en) * 2021-04-30 2021-11-16 杭州辰泽新材料有限公司 Multi-directional adjustable yarn separating device for high-strength polyester filament yarns
CN113370059A (en) * 2021-08-12 2021-09-10 徐州益和木业有限公司 Plank burnishing device is used in furniture production

Similar Documents

Publication Publication Date Title
CN207138253U (en) A kind of prepared slices of Chinese crude drugs vibration purification screening plant
CN111826920B (en) Conveying and impurity-absorbing device for melt-blown fabric production
CN112458679B (en) Anti-sideslip carding method for textile production
CN109355839A (en) A kind of modified yarn oiling machine
CN115287884A (en) Fabric finishing method
CN109576928A (en) A kind of new type yarn dip dyeing formula oiling machine
CN112281355A (en) Fabric cleaning device with filtering and circulating functions for textile processing
CN216404859U (en) Nylon yarn spinning fabric production platform with cleaning function
CN114703556A (en) Filament dividing device
CN111719209B (en) Deep dust removal method for spinning frame
CN201372339Y (en) Device for automatically cleaning sieve of ring spinning frame
CN208415172U (en) A kind of sweeping machine cleaning mechanism
CN205258720U (en) Spinning machine cleaning device
CN215388213U (en) Cloth bag pulse type dust collector with good filtering effect
CN214193795U (en) Multifunctional non-woven fabric ironing device
CN216614981U (en) Waste yarn dust collection device for textile industry two-for-one twister
CN212923531U (en) Material suction machine
CN219752571U (en) Impurity removing device for nylon filament production
CN216572143U (en) Dust collecting device of circular knitting machine for producing woven cloth
CN217351698U (en) Independent selvedge device of water jet loom
CN219253177U (en) Multi-cylinder grain dust remover
CN215713721U (en) From high-efficient rapier weaving machine of dust type industrial cloth production usefulness
CN220812747U (en) Cotton box for spinning
CN221016979U (en) High-temperature volatile material input equipment for dust-free cloth production
CN218580319U (en) Surface dust removal device for garment material processing

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