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CN107056089A - A kind of on-line control system of optical fiber coating die holder - Google Patents

A kind of on-line control system of optical fiber coating die holder Download PDF

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Publication number
CN107056089A
CN107056089A CN201710293057.9A CN201710293057A CN107056089A CN 107056089 A CN107056089 A CN 107056089A CN 201710293057 A CN201710293057 A CN 201710293057A CN 107056089 A CN107056089 A CN 107056089A
Authority
CN
China
Prior art keywords
die holder
optical fiber
coating die
drive mechanism
straight line
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
CN201710293057.9A
Other languages
Chinese (zh)
Inventor
张正涛
刘文早
刘和林
廖度君
曾春洪
向勇
杨梅
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.)
CHENGDU SEI OPTICAL FIBER Co Ltd
Original Assignee
CHENGDU SEI OPTICAL 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 CHENGDU SEI OPTICAL FIBER Co Ltd filed Critical CHENGDU SEI OPTICAL FIBER Co Ltd
Priority to CN201710293057.9A priority Critical patent/CN107056089A/en
Publication of CN107056089A publication Critical patent/CN107056089A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/12General methods of coating; Devices therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Abstract

The present invention discloses a kind of on-line control system of optical fiber coating die holder, including coating die holder, fiber perpendicular passes through the hole opened up on coating die holder to be coated processing, it is characterized in that, it is connected to be also provided with concentricity testing device in the drive mechanism for driving coating die holder to move in transverse plane, described optical fiber passage path on described coating die holder.Present invention system is simple in construction, strong applicability, it can facilitate, flexible on-line tuning coats the position of die holder to be adapted to optical fiber, so that optical fiber holding and the center for coating die holder are concentric, coating uniformity consistency is improved, coating quality is ensured, greatly improve production qualification rate, the quality of production is ensured, production loss is reduced, production economy benefit is improved.

Description

A kind of on-line control system of optical fiber coating die holder
Technical field
The present invention relates to the technical field of optical fiber coating equipment, more particularly to a kind of on-line control system of optical fiber coating die holder System.
Background technology
The drawing production process of optical fiber is first vertically to send into prefabricated rods in higher than 2000 DEG C fiber drawing furnaces by feed cartridge, Prefabricated rods are drawn into filament after high temperature melting, and rapid shrink attenuates as bare fibre under drawing tensile force effect, goes out out of stove Come high temperature bare fibre enter cooling system carry out cooling down after, bare fibre surface micro-crack not yet by moisture in air Deng influence expand when, it is necessary to rapidly be coated to protect optical fiber surface, in application system optical fiber surface coating sets Grease coating material, subsequently into cure system, bare fibre stretch-proof, crooking ability are strengthened in cured shaping, are finally filled by Winding Put and collect optical fiber.The purpose of coated with resins layer is the different extraneous dust particle contacts of protection bare fibre on optical fiber surface, these Particle can significantly reduce the intensity of optical fiber, and coating can also prevent the moisture etch optical fiber in the external world, it is to avoid loss increase, moreover it is possible to In various environment micro-bend protection is provided to optical fiber.
It must assure that wire drawing optical fiber, in the center of coating die holder, otherwise can cause optical fiber in the process of coating Coating concentricity is unqualified, intensity difference, causes serious quality problems.All it is thousand points used at present in conventional coating unit Chi is connected with coating die holder, and operating personnel by adjusting micrometer manually, to adjust coating die holder.In drawing process, periodically Sampling one saves wire drawing optical fiber, and censorship test step tests its concentricity, manual again according to the concentricity result that tester feeds back Put at regulation coating die seat.But during production, coating concentricity is easily changed by external influence, is Make coating not eccentric, concentricity and real-time online regulation need to be paid close attention to during optical fiber continuous drawing.At present in production Regular sampling can not ensure in time optical fiber all the time with coating die holder it is concentric, there is deviation in coating quality, be easily caused largely Optical fiber can not be up to standard and scrapped, and causes serious production loss.And when sampling every time, wire drawing optical fiber point disk switching will be carried out, Sampling frequency is too high, can cause the disconnected fine rate increase of point disk switching, cause production loss, reduce productivity effect..
The content of the invention
The technical problems to be solved by the invention and the technical assignment proposed are to be improved that there is provided one kind to prior art The on-line control system of optical fiber coating die holder, solves to adjust again after optical fiber coating die holder traditional in current technology uses periodically sampling observation The mode of section, regulation promptness is poor, it is difficult to ensure coating quality, and production disqualification rate is high, the problem of production loss is big.
To solve above technical problem, the technical scheme is that:
A kind of on-line control system of optical fiber coating die holder, including coating die holder, fiber perpendicular is passed through to be opened on coating die holder If hole be coated processing, it is characterised in that be connected on described coating die holder drive coating die holder in transverse plane Concentricity testing device is also provided with mobile drive mechanism, described optical fiber passage path.Optical fiber of the present invention is applied The on-line control system for covering die holder utilizes the position situation of concentricity testing device on-line checking optical fiber, if position has skew, Then coating die holder is driven to be adjusted in the horizontal by drive mechanism, the final optical fiber for draw out is kept and coating die holder Center with one heart, improve coating uniformity consistency, ensure coating quality so that optical fiber can obtain good protection, it is to avoid There are the undesirable conditions such as fiber strength difference, improve the quality of production, reduce production loss, increase economic efficiency.And the present invention is adopted It is adapted to the mode of optical fiber skew fluctuation with regulation coating die holder to reach concentric purpose, the weight for coating die holder is small, driving Small power consumption, regulation displacement is small, the stability of effective guarantee fibre-optical drawing, it is to avoid be adapted to standing by adjusting the position of optical fiber Coating die holder cause optical fiber the production abnormal accident such as disconnected fibre occur, ensure the continuous stability of production.
Further, described drive mechanism includes the orthogonal first straight line drive mechanism and the being located in transverse direction Two straight line driving mechanisms, first straight line drive mechanism and second straight line drive mechanism are connected with controller, concentricity testing device Real-time detector data is returned to controller, controller control first straight line drive mechanism and second straight line drive mechanism drive coating Die holder carries out position adjustments in the horizontal, straight by controller and concentricity testing device, first straight line drive mechanism and second Line drive mechanism, which cooperates, realizes automation regulation, the artificial operation labor intensity of reduction, and degree of regulation is high, flexibility is strong, Artificial operational error is avoided to cause production abnormal.
Further, described first straight line drive mechanism includes the first telescoping mechanism and is arranged on the first telescoping mechanism end First chute vertical with the first telescoping mechanism is set on first sliding block in portion, coating die holder, the first sliding block is placed in the first chute Inside slide along, be additionally provided with the second chute perpendicular to the first chute on coating die holder, second straight line drive mechanism includes the Two telescoping mechanisms and the second sliding block for being arranged on the second telescoping mechanism end, the second telescoping mechanism is perpendicular to the second chute, second Sliding block is placed in the second chute and slid along.
Further, the first described telescoping mechanism, the second telescoping mechanism are driven using servomotor, and servomotor can have Effect control speed, torque and rotating speed are converted into drive control object, positional precision precise control by voltage signal.
Further, described controller, which is used, sets concentricity threshold range in PLC, controller, When deviation between the axle center line position of optical fiber and coating die holder center exceeds concentricity threshold range, controller driving the One straight line driving mechanism and the action of second straight line drive mechanism, otherwise first straight line drive mechanism and second straight line drive mechanism are protected Hold coating die holder and be in reference position, the control freedom degree height of PLC, reliability are high, strong antijamming capability, easily In extension, strong applicability.
Further, described concentricity testing device includes two light sources, and the exit direction of two light sources is located at laterally And be mutually perpendicular to, the positive offside in the beam projecting direction of light source is provided with receiver, by preform into optical fiber from The light intersection of two light sources passes through.The light part that light source is sent is stopped by optical fiber, forms diffraction dark space on the receiver, leads to The shaft core position for calculating the data of diffraction dark space size and can obtain optical fiber is crossed, then will actually measure obtained optical fiber axle center position Put and be compared with coating the center of die holder, you can obtain offset direction and the distance of optical fiber, it is then straight by first again Line drive mechanism and second straight line drive mechanism drive coating die holder adjustment position, you can adjust optical fiber to coating die holder Center with one heart, ensures optical fiber coating quality.
Further, described light source sends directional light, ensures the counting accuracy of optical fiber shaft core position.
Further, described concentricity testing device uses Laser Bi-direction Rod Gauge, the reliability of on-line measurement and steady Qualitative height.
Further, described light source is penetrated and forms striation on the receiver, and optical fiber blocks some light of light source in striation It is upper to produce the two diffraction dark spaces in left and right, the distance of reference center's point that diffraction dark space is set on striation be respectively left width and Right width, controller drives first straight line drive mechanism and second straight line drive mechanism dynamic according to the ratio of left width and right width Make, when ratio be 1 interval scale optical fiber without skew, ratio then represents that optical fiber has skew when not being 1, passes through and adjusts coating die holder Position is adapted to optical fiber, ensures coating quality.
Further, described concentricity threshold range is 0.9~1.1, and the ratio of left width and right width is less than 0.9 When, drive mechanism drives the direction movement where width to the right of coating die holder;When the ratio of left width and right width is more than 1.1, drive Motivation structure drives the direction movement where width to the left of coating die holder;When the ratio of left width and right width is 0.9~1.1, driving Mechanism is maintained at reference position by die holder is coated.Degree of regulation is high, flexibility is strong, ensures coating quality.
Compared with prior art, the invention has the advantages that:
The on-line control system architecture of optical fiber coating die holder of the present invention is simple, strong applicability, can conveniently, flexibly The position of on-line tuning coating die holder offsets the optical fiber of fluctuation to be adapted to so that the center that optical fiber kept and coated die holder is same The heart, improves coating uniformity consistency, ensures coating quality so that optical fiber can obtain good protection, greatly improve production Qualification rate, ensures the quality of production, reduces production loss, improves production economy benefit;And the regulation driving power consumption of the present invention is small, Adjust displacement small, the stability of effective guarantee fibre-optical drawing, it is to avoid be adapted to the coating of standing by adjusting the position of optical fiber Die holder causes optical fiber the production abnormal accident such as disconnected fibre occur, ensures the continuous stability of production.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of drive mechanism;
Fig. 3 is the side structure schematic view of drive mechanism;
Fig. 4 is the structural representation of concentricity testing device;
Fig. 5 is concentricity Principles of Regulation schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
A kind of on-line control system of optical fiber coating die holder disclosed in the embodiment of the present invention, can real-time online regulation coating The position of die holder, it is ensured that the center and the center of optical fiber of coating die holder are concentric, it is ensured that optical fiber coating uniformity, protect Hinder coating quality, flexible adjustment, precision are high, ensure optical fiber production quality, reduction quality of production loss improves production economy effect Benefit.
As shown in Figures 1 to 5, a kind of on-line control system of optical fiber coating die holder, including coating die holder 1, optical fiber 2 are vertical The hole opened up on through coating die holder 1, which is coated on processing, described coating die holder 1, is connected to drive coating die holder 1 in horizontal stroke Concentricity testing device 5, drive mechanism are also provided with the drive mechanism moved into plane, the described passage path of optical fiber 2 Including the orthogonal first straight line drive mechanism 3 and second straight line drive mechanism 4 in transverse direction, first straight line driving machine Structure 3 and second straight line drive mechanism 4 are connected with controller 6, and controller 6 uses PLC, concentricity testing device 5 return to real-time detector data to controller 6, the control first straight line of controller 6 drive mechanism 3 and the band of second straight line drive mechanism 4 Dynamic coating die holder 1 is flexibly free in the horizontal to carry out position adjustments.
In the present embodiment, first straight line drive mechanism 3 includes the first telescoping mechanism 31 and is arranged on the first telescoping mechanism First chute 33 vertical with the first telescoping mechanism 31, the first sliding block 32 are set on first sliding block 32 of 31 ends, coating die holder 1 It is placed in the first chute 33 and slides along, the second chute 43 perpendicular to the first chute 33, second is additionally provided with coating die holder 1 Straight line driving mechanism 4 includes the second telescoping mechanism 41 and is arranged on the second sliding block 42 of the end of the second telescoping mechanism 41, and second stretches Contracting mechanism 41 is placed in the second chute 43 and slid along perpendicular to the second chute 43, the second sliding block 42, the first telescoping mechanism 31, Two telescoping mechanisms 41 are driven using servomotor, steady accurately to adjust coating die holder 1 to match the optical fiber 2 of skew fluctuation.
Concentricity testing device 5 includes two light sources 51, and light source 51 sends directional light, the exit direction position of two light sources 51 In transverse direction and it is mutually perpendicular to, the positive offside in the beam projecting direction of light source 51 is provided with receiver 52, by preform Into the light intersections of optical fiber from two light sources 51 pass through.
In the present embodiment, concentricity testing device 5 can use Laser Bi-direction Rod Gauge, the laser that generating laser is sent Beam becomes directional light by one group of lens processing, and optical fiber blocks light beam, just has signal generation on the receiver, passes through photoelectric sensing Device passes to this signal on controller, and the end positions data to receiver top shadow region while calibrating are calculated i.e. The shaft core position of optical fiber is can obtain, first straight line drive mechanism 3 and second straight line are driven according to the optical fiber shaft core position of actual measurement The action of drive mechanism 4 is adjusted, it is ensured that the shaft core position of optical fiber can keep concentric with coating the center of die holder 1.
The light that light source 51 is projected forms striation L on receiver 52, and optical fiber blocks some light of light source 51 on striation The two diffraction dark space d in left and right are produced, the distance for reference center's point that diffraction dark space d is set on striation L is respectively left width A1 and right width a2.When left width a1 is more than right width a2, illustrate that optical fiber is offset, it is necessary to which die holder 1 will be coated to moving to left to the left It is dynamic;When left width a1 is less than right width a2, illustrate that optical fiber is offset to the right, it is necessary to which coating die holder 1 is moved right;When left width When a1 is equal to right width a2, illustrate that optical fiber is located at striation L central reference position, coating die holder 1 is maintained at reference position. In the present embodiment, the skew situation of optical fiber is represented with left width a1 and right width a2 ratio, controller 6 is by the ratio of actual measurement It is compared with the concentricity threshold range that sets, then drives first straight line drive mechanism 3 and second straight line drive mechanism 4 Act to adjust the position of coating die holder 1 so that optical fiber effectively keeps concentric with coating die holder 1, ensures coating quality.
Concentricity threshold range is set in controller 6, between the axle center line position of optical fiber 2 and coating die holder 1 center Deviation when exceeding concentricity threshold range, the driving of controller 6 first straight line drive mechanism 3 and second straight line drive mechanism 4 are dynamic Make, otherwise first straight line drive mechanism 3 and second straight line drive mechanism 4 keep coating die holder 1 to be in reference position.In this implementation In example, concentricity threshold range is 0.9~1.1, when left width a1 and right width a2 ratio is less than 0.9, and drive mechanism drives Coat the direction movement where width a2 to the right of die holder 1;When left width a1 and right width a2 ratio is more than 1.1, drive mechanism band Dynamic coating die holder 1 direction movement where width a1 to the left;When left width a1 and right width a2 ratio is 0.9~1.1, driving machine Structure will coat die holder 1, and to be maintained at reference position motionless.By Concentricity tolerance control within production allowed band, it is to avoid frequently adjust The position of section coating die holder 1 causes drive mechanism live load big, reduction regulation power consumption, increases the service life.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change Enter and retouch and also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of on-line control system of optical fiber coating die holder, including coating die holder (1), optical fiber (2) pass perpendicularly through coating die holder (1) hole opened up on is coated processing, it is characterised in that be connected to drive coating die holder (1) on described coating die holder (1) Concentricity testing device (5) is also provided with the drive mechanism moved in transverse plane, described optical fiber (2) passage path.
2. the on-line control system of optical fiber coating die holder according to claim 1, it is characterised in that described drive mechanism Including the orthogonal first straight line drive mechanism (3) in transverse direction and second straight line drive mechanism (4), first straight line is driven Motivation structure (3) and second straight line drive mechanism (4) are connected with controller (6), and concentricity testing device (5) returns to detection number in real time According to controller (6) is given, controller (6) control first straight line drive mechanism (3) and second straight line drive mechanism (4) drive coating die Seat (1) carries out position adjustments in the horizontal.
3. the on-line control system of optical fiber coating die holder according to claim 2, it is characterised in that described first straight line Drive mechanism (3) includes the first telescoping mechanism (31) and is arranged on first sliding block (32) of the first telescoping mechanism (31) end, applies Setting first chute (33) vertical with the first telescoping mechanism (31) on die holder (1) is covered, the first sliding block (32) is placed in the first chute (33) slid along in, the second chute (43) perpendicular to the first chute (33), second straight line are additionally provided with coating die holder (1) Drive mechanism (4) includes the second telescoping mechanism (41) and is arranged on second sliding block (42) of the second telescoping mechanism (41) end, the Two telescoping mechanisms (41) are perpendicular to the second chute (43), and the second sliding block (42) is placed in the second chute (43) and slid along.
4. the on-line control system of optical fiber coating die holder according to claim 3, it is characterised in that described first stretches Mechanism (31), the second telescoping mechanism (41) are driven using servomotor.
5. the on-line control system of optical fiber coating die holder according to claim 2, it is characterised in that described controller (6) use and concentricity threshold range is set in PLC, controller (6), the axle center line position of optical fiber (2) is with applying When covering the deviation between die holder (1) center beyond concentricity threshold range, controller (6) driving first straight line drive mechanism (3) acted with second straight line drive mechanism (4), otherwise first straight line drive mechanism (3) and second straight line drive mechanism (4) are kept Coating die holder (1) is in reference position.
6. the on-line control system of optical fiber coating die holder according to claim 5, it is characterised in that described concentricity inspection Surveying device (5) includes two light sources (51), and the exit direction of two light sources (51) is located at transverse direction and is mutually perpendicular to, in light source (51) the positive offside in beam projecting direction is provided with receiver (52), by preform into optical fiber from two light sources (51) Light intersection pass through.
7. the on-line control system of optical fiber coating die holder according to claim 6, it is characterised in that described light source (51) Send directional light.
8. the on-line control system of optical fiber coating die holder according to claim 6, it is characterised in that described concentricity inspection Survey device (5) and use Laser Bi-direction Rod Gauge.
9. the on-line control system of optical fiber coating die holder according to claim 6, it is characterised in that described light source (51) Penetrate and striation (L) formed on receiver (52), optical fiber block light source (51) some light produced on striation left and right two spread out Dark space (d) is penetrated, the distance for reference center's point that diffraction dark space (d) is set on striation (L) is respectively left width (a1) and the right side Width (a2), controller (6) drives first straight line drive mechanism (3) and the according to the ratio of left width (a1) and right width (a2) Two straight line driving mechanisms (4) are acted.
10. the on-line control system of optical fiber coating die holder according to claim 9, it is characterised in that described concentricity Threshold range is 0.9~1.1, and when left width (a1) and the ratio of right width (a2) are less than 0.9, drive mechanism drives coating die holder (1) direction movement where width (a2) to the right;When left width (a1) and the ratio of right width (a2) are more than 1.1, drive mechanism band The direction movement where width (a1) to the left of dynamic coating die holder (1);The ratio of left width (a1) and right width (a2) is 0.9~1.1 When, drive mechanism will coat die holder (1) and be maintained at reference position.
CN201710293057.9A 2017-04-28 2017-04-28 A kind of on-line control system of optical fiber coating die holder Pending CN107056089A (en)

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Publication number Priority date Publication date Assignee Title
CN107401988A (en) * 2017-09-08 2017-11-28 成都中住光纤有限公司 A kind of optical fiber coating concentricity monitoring system
CN108314312A (en) * 2018-01-17 2018-07-24 江东科技有限公司 Optical fiber automatic threading device and method
CN111484260A (en) * 2020-06-29 2020-08-04 江苏亨通光纤科技有限公司 Optical fiber processing device
CN114349369A (en) * 2021-12-27 2022-04-15 江苏亨通智能科技有限公司 Optical fiber drawing coating concentricity online detection adjusting device and using method thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107401988A (en) * 2017-09-08 2017-11-28 成都中住光纤有限公司 A kind of optical fiber coating concentricity monitoring system
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CN108314312A (en) * 2018-01-17 2018-07-24 江东科技有限公司 Optical fiber automatic threading device and method
WO2019140980A1 (en) * 2018-01-17 2019-07-25 江东科技有限公司 Automatic optical fiber wire feeding device and method
CN108314312B (en) * 2018-01-17 2019-08-16 江东科技有限公司 Optical fiber automatic threading device and method
CN111484260A (en) * 2020-06-29 2020-08-04 江苏亨通光纤科技有限公司 Optical fiber processing device
CN114349369A (en) * 2021-12-27 2022-04-15 江苏亨通智能科技有限公司 Optical fiber drawing coating concentricity online detection adjusting device and using method thereof

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Application publication date: 20170818