US20180297096A1 - A coiling system and a method for forming a hot rolled product into an annular coil - Google Patents

A coiling system and a method for forming a hot rolled product into an annular coil Download PDF

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Publication number
US20180297096A1
US20180297096A1 US15/768,324 US201615768324A US2018297096A1 US 20180297096 A1 US20180297096 A1 US 20180297096A1 US 201615768324 A US201615768324 A US 201615768324A US 2018297096 A1 US2018297096 A1 US 2018297096A1
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US
United States
Prior art keywords
base assembly
coil
coiling
coiling system
hot rolled
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.)
Abandoned
Application number
US15/768,324
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English (en)
Inventor
Magnus Holmberg
Sebastian Sachse
Ove Englund
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.)
Morgardshammar AB
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Morgardshammar AB
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Filing date
Publication date
Application filed by Morgardshammar AB filed Critical Morgardshammar AB
Assigned to MORGÅRDSHAMMAR AB reassignment MORGÅRDSHAMMAR AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ENGLUND, OVE, HOLMBERG, MAGNUS, SACHSE, SEBASTIAN
Publication of US20180297096A1 publication Critical patent/US20180297096A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B21C47/045—Winding-up or coiling on or in reels or drums, without using a moving guide in rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/242—Devices for swinging the coil from horizontal to vertical, or vice versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/32—Tongs or gripping means specially adapted for reeling operations

Definitions

  • the present invention relates to a coiling system for coiling a hot rolled product according to the preamble of claim 1 , and to a method for forming a hot rolled product according to the preamble of the independent method claim.
  • a hot rolled product here refers to a bar, wire, rod, strip or the like formed by hot rolling and made from a metal material, including but not limited to copper, brass, aluminium, and steel, such as spring steel, bearing steel, stainless steel, etc.
  • a common type of coiling system for forming a hot rolled product into a coil comprises a base assembly supported by a support structure.
  • the support structure comprises a drive mechanism configured to rotate the base assembly around a vertical axis of rotation.
  • the base assembly comprises a base plate for supporting the coil, a central drum extending from the base plate along the vertical axis, and an outer housing, attached to the base plate outside of said central drum, such that an annular space is formed between the central drum and the outer housing.
  • the coiling system further comprises a feeding device configured to feed hot rolled product to the base assembly so as to form a coil.
  • hot rolled product When in use, hot rolled product is fed from the feeding device into the space provided between the central drum and the outer housing, so that a first end of the hot rolled product lands on the base plate. As the base assembly is rotated, hot rolled product forms a coil around the central drum. The outer housing ensures that each newly formed loop of the coil is formed on top of an already formed loop.
  • WO2009123685 discloses a coiling system in which an outer housing is movable in the vertical direction, together with the feeding device. In this way, the distance that the hot rolled product drops can be significantly reduced.
  • this coiling system as well as other known coiling systems, become very tall and space consuming.
  • the finished coil is to be removed from the coiling system, the coil is lifted from the base assembly, or the base assembly is lowered so that the coil may be removed. A basement or an additional floor is therefore typically required to be able to remove the coil. This is inconvenient, as the available space is often limited and may be needed for other purposes.
  • Another object is to provide a coiling system which is versatile and easily adaptable to different coil sizes and product diameters.
  • Yet another object is to provide a coiling system and a method for forming a hot rolled product by means of which a relatively high density and uniformity of the finished coil can be achieved.
  • At least the primary object is achieved by means of a coiling system as initially defined, which is characterised in that the base assembly is releasably connected to the first drive mechanism so that the base assembly, after coiling, may be removed from the support structure.
  • the coil does not need to be lifted off from the base plate when the base plate is mounted on the support structure.
  • the entire base assembly, comprising the finished coil can be disconnected from the support structure before removing the coil from the base structure and transferring it to e.g. a conveyor or a pallet. This reduces the vertical space needed to accommodate the coiling system.
  • the removal of the coil from the base assembly can be carried out either in immediate connection to the coiling system, or at another location after transport using e.g. a conveyor. Removal of the coil can be achieved e.g. by tilting the base assembly and transferring the coil to a suitable coil holder, or by lifting off the coil. In either way, the vertical space needed to remove the coil from the coiling system is reduced.
  • the base assembly is removable, the coiling system is also easy to adapt to e.g. different diameters of the hot rolled product, or different desired coil diameters. By simply switching base assemblies, the same support structure can be used for different applications.
  • the removable base assembly also reduces the cycle time of the coiling system, since the base assembly after coiling can be quickly removed from the support structure, and replaced by another empty base assembly. In this way, it is not necessary to have two separate coiling systems to alternate between. Instead, it is sufficient to have one support structure and at least two base assemblies.
  • the coiling system further comprises an annular collecting member arranged around the central drum above the receiving sleeve and movable in the axial direction together with the feeding device so as to guide the hot rolled product onto a previously coiled portion of said product.
  • the receiving sleeve has a height which is substantially smaller than a height of the central drum, since it only needs to cover a first few loops of the coil as it is being formed.
  • the annular collecting member collects and guides the hot rolled product onto those loops as the coiling cycle proceeds.
  • the annular collecting member is arranged above the receiving sleeve.
  • the annular collecting member thus forms a movable outer drum, reducing the distance between the feeding device and the previously coiled portion on which the hot rolled product is to land.
  • the movable annular collecting member also enables formation of uniform coils of different height, since there is no fixed outer housing.
  • Another advantage of this embodiment is that the moment of inertia of the base assembly can be reduced, since the annular collecting member removes the need for an outer housing, e.g. a receiving sleeve having a similar vertical extension as the central drum, connected to and rotating together with the base assembly. The total energy consumption of the coiling system can thereby be reduced.
  • the annular collecting member has a shorter extension along the vertical axis than the central drum, so that the annular collecting member surrounds only a minor portion of the central drum.
  • the total height of the coiling system can thereby be reduced in comparison with coiling systems comprising a tall movable outer drum or the like, completely encapsulating the formed coil. Furthermore, the weight of the coiling system is reduced, further reducing the energy consumption.
  • the annular collecting member is connected to the feeding device. This is a convenient way of achieving simultaneous vertical movement of the feeding member and the annular collecting member.
  • the annular collecting member is in the form of a rotatable collecting ring.
  • a collecting ring provides a stable support for the hot rolled product as it is being coiled.
  • the rotatable collecting ring may e.g. be rotated by means of the first drive mechanism, used to rotate the base assembly, or by a separate drive mechanism. Rotating the collecting ring prevents scratches on the hot rolled product.
  • the coiling system further comprises a support on which the collecting ring is rotatably mounted.
  • the support provides a convenient means for supporting also a drive mechanism and for connecting the annular collecting member to the feeding device.
  • the coiling system further comprises a second drive mechanism configured to rotate the collecting ring around the vertical axis. Separate drive mechanisms simplifies the construction of the coiling system.
  • the first and the second drive mechanisms are configured to be operable independently of each other. In this way, the rotational speed of the collecting ring can be adjusted independently of the rotational speed of the base assembly and the coiling conditions can thereby be optimised.
  • the coiling system further comprises a pre-bending device configured to bend the hot rolled product as it is being fed from the feeding device. This makes the hot rolled product easier to form into a coil.
  • the central drum comprises wall segments that are movable between an outer position and an inner position.
  • the wall segments can be collapsed, which reduces the risk of damaging the coil during removal.
  • the coiling system further comprises a transfer arrangement configured to move the base assembly away from the support structure in a horizontal or essentially horizontal plane.
  • a transfer arrangement enables fast removal of the base assembly from the support structure after coiling, enabling short cycle times.
  • the vertical space needed for the coiling system can be minimised since the movement of the base assembly is essentially in the horizontal plane, although a small vertical movement may be necessary to release the base assembly from the support structure.
  • Such a vertical movement can be in the order of a few decimetres, such as 3-4 dm.
  • the coiling system is energy efficient since vertical lifting of the base assembly holding the finished coil, which is often heavy, is to a large extent avoided.
  • At least the primary object is achieved by a method for forming a hot rolled product into an annular coil as initially defined, characterised in that the step of removing the coil from the coiling system comprises removing the base assembly from the support structure prior to removing the coil from the base assembly.
  • the coil can be removed from the coiling system without the need to lift the coil along the vertical axis.
  • the method is thereby less space consuming and more energy efficient than known methods in which the coil is removed by lifting it off the coiling system as the base assembly is mounted on the support structure.
  • the proposed coiling system is advantageously used in the method according to the invention. Advantages and advantageous features of the method according to the invention correspond to those discussed in connection with the proposed coiling system.
  • the step of removing the coil from the coiling system comprises tilting the base assembly prior to removing the coil. Vertical space can thereby be saved, since the coil can be removed from the base assembly by movement in a horizontal plane.
  • the coiling system is located in a coiling station, and the base assembly holding the coil is transported away from the coiling station using a conveyor prior to removing the coil from the base assembly.
  • This is suitable for smaller rolling mills, and enables a time efficient handling of coils since the coil does not need to be transferred to an intermediate coil pallet or the like used for transporting the coil to a coil compacting station.
  • the base assembly is transported to the compacting station, where the coil is removed from the base assembly and thereafter compacted.
  • an annular collecting member arranged around the central drum comprises guiding the hot rolled product onto a previously coiled portion of said product by moving the feeding device together with the annular collecting member upwardly along the vertical axis.
  • FIG. 1 schematically shows a coiling system according to an embodiment of the invention in a first position
  • FIG. 2 shows the coiling system in FIG. 1 in a second position
  • FIG. 3 shows a side view of parts of the coiling system in FIG. 2 .
  • FIG. 4 is a flow chart illustrating a method according to an embodiment of the invention.
  • FIG. 1-3 A coiling station comprising a coiling system 1 according to an embodiment of the invention is shown in FIG. 1-3 .
  • the coiling system 1 comprises a support structure 2 , a base assembly 3 , and a feeding device 4 .
  • the support structure 2 is located on a flat surface 5 , such as on a floor or on the ground, and supports the base assembly 3 , which is positioned on top of the support structure 2 .
  • the support structure 2 comprises a first drive mechanism (not shown), which is configured to rotate the base assembly 3 around a vertical axis of rotation.
  • a fastening mechanism (not shown) is used to releasably fasten the base assembly 3 to the support structure 2 .
  • the fastening mechanism can e.g.
  • the fastening members comprise male and female fastening members configured to engage with each other in a locking position and thereby securely fasten the base assembly 3 to the support structure 2 .
  • the fastening members In an open position, the fastening members are disengaged and the base assembly 3 is released from the support structure 2 .
  • the base assembly 3 comprises a base plate 6 , a central drum 7 extending from the base plate 6 along the vertical axis, and a receiving sleeve 8 arranged outside of the central drum 7 , such that an annular space is provided near the base plate 6 , between the central drum 7 and the receiving sleeve 8 .
  • the central drum 7 has collapsible wall segments 7 a, 7 b, 7 c that are movable between an outer position and an inner position.
  • the receiving sleeve 8 has a height corresponding to a few loops of coiled hot rolled product, substantially smaller than a total height of the central drum 7 .
  • the feeding device 4 is configured to feed hot rolled product from e.g. a rolling mill downwardly to a pre-bending device 9 provided at a front end of the feeding device 4 .
  • the pre-bending device 9 is configured to bend the hot rolled-product before it is being coiled.
  • the feeding device 4 and in particular its front end, is movable up and down along the vertical axis, so that hot rolled product can be fed to the base assembly 3 at a suitable height.
  • a rotatable collecting ring 10 arranged around the central drum 7 is provided, rotatably mounted on a support 11 .
  • the collecting ring 10 has an inner diameter equivalent to an inner diameter of the receiving sleeve 8 .
  • the collecting ring 10 is movable together with the feeding device 4 up and down along the vertical axis. In the vertical direction, it surrounds only a minor portion of the central drum 7 , since it has a small height in comparison with the central drum 7 .
  • a second drive mechanism 12 configured to rotate the collecting ring 10 around the vertical axis, is also provided on the support 11 .
  • the second drive mechanism 12 is here operable independently of the first drive mechanism. It may thus rotate the collecting ring 10 at the same rotational speed as the base assembly 3 or at a different rotational speed.
  • the coiling system 1 further comprises a transfer arrangement 13 configured to move the base assembly 3 away from the support structure 2 in a horizontal plane when the base assembly 3 has been released from the support structure 2 .
  • the transfer arrangement 13 here comprises two rotatable arms 14 extending from a hub 15 positioned between the support structure 2 and a rest 16 , to which the base assembly can be transferred from the support structure 2 .
  • the transfer arrangement 13 is also used to transfer an empty base assembly 3 , not holding a coil 17 , to the support structure 2 from the rest 16 .
  • the base assembly 3 When a coil is to be formed using the shown coiling system 1 , the base assembly 3 is mounted onto the support structure 2 with the wall segments 7 a, 7 b, 7 c in the outer position. The base assembly 3 is rotated by means of the first drive mechanism at a rotational speed ⁇ _1. Via the feeding device 4 , the pre-bending device 9 , and the collecting ring 10 , a first end of a hot rolled product is fed to the rotating base assembly 3 . As the coil forming process begins, the feeding device 4 , the pre-bending device 9 and the collecting ring 10 are in a lowermost position close to the receiving sleeve 8 , as shown in FIG. 1 .
  • the hot rolled product exits the pre-bending device 9 , it enters via the collecting ring 10 into the annular space formed between the receiving sleeve 8 and the central drum 7 . Meanwhile, the collecting ring 10 is rotated by means of the second drive mechanism 12 at a second rotational speed ⁇ _2, which may be equivalent or slightly different from the first rotational speed ⁇ _1.
  • ⁇ _2 second rotational speed
  • a first end of the hot rolled product lands on the base plate and a coil 17 starts to form as hot rolled product is continuously fed onto the rotating base assembly 3 .
  • the feeding device 4 and the collecting ring 10 are moved upwardly so that the vertical distance between a landing position of the hot rolled product being coiled and the pre-bending device 9 is kept constant or essentially constant during the entire coil forming process.
  • the feeding device 4 , the pre-bending device 9 and the collecting ring 10 have reached an uppermost position and the coil 17 is finished, see FIG. 2 .
  • the base assembly 3 holding the finished coil 17 is thereafter released from the support structure 2 and transferred to the rest 16 using one of the rotatable arms. At the same time, an empty base assembly 3 is transferred from the rest 16 to the support structure 2 for formation of another coil.
  • the base assembly 3 holding the finished coil 17 is thereafter tilted, the wall segments 7 a, 7 b, 7 c are moved to the inner position, and the coil 17 is removed from the base assembly 3 and transferred to a coil pallet 18 via an intermediate support 19 .
  • the coil pallet 18 holding the coil 17 can thereafter be transported away from the coiling station, e.g. using a conveyor.
  • the coil is usually transferred from the coiling station to a compacting station, where it is compacted prior to further transportation.
  • An alternative to using a coil pallet 18 is to transport the entire base assembly 3 holding the coil 17 away from the coiling station using a conveyor.
  • the base assembly 3 in this case functions as a coil pallet.
  • FIG. 4 A method for forming a hot rolled product into an annular coil 17 according to an embodiment of the invention is illustrated in FIG. 4 .
  • a coiling system 1 as described above is provided on a coiling station.
  • the base assembly 3 is set to rotate using the first drive mechanism.
  • a first end of the hot rolled product is guided from a rolling mill, via the feeding device 4 and into the annular space provided between the receiving sleeve 8 and the central drum 7 .
  • An annular coil 17 starts to form around the central drum 7 by rotating the base assembly 3 around the vertical axis of rotation while feeding the hot rolled product downwardly using the feeding device 4 .
  • a fourth step S 4 the feeding device 4 together with the collecting ring 10 are moved upwardly along the vertical axis, as the collecting ring 10 and the base assembly 3 are both rotated and as the hot rolled product is continuously fed to the base assembly 3 .
  • the base assembly 3 is removed from the support structure 2 by releasing the fastening mechanism and, by means of one of the rotatable arms 14 , transferring the base assembly 3 to the rest 16 , or to a conveyor used to transport the base assembly 3 holding the coil 17 to e.g. a compacting station.
  • the coil 17 is removed from the base assembly 3 , preferably after tilting of the base assembly 3 .
  • the annular collecting member may comprise at least two vertically spaced apart rings, between which a number of rotatable rolls are provided. The rolls in this case serve to collect the hot rolled product without the use of a second drive mechanism.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
US15/768,324 2015-10-15 2016-10-11 A coiling system and a method for forming a hot rolled product into an annular coil Abandoned US20180297096A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE1551334A SE539421C2 (sv) 2015-10-15 2015-10-15 A coiling system and a method for forming a hot rolled product into an annular coil
SE1551334-4 2015-10-15
PCT/SE2016/050977 WO2017065675A1 (fr) 2015-10-15 2016-10-11 Système de bobinage et procédé de formage d'un produit laminé à chaud en bobine annulaire

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US20180297096A1 true US20180297096A1 (en) 2018-10-18

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US15/768,324 Abandoned US20180297096A1 (en) 2015-10-15 2016-10-11 A coiling system and a method for forming a hot rolled product into an annular coil

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Country Link
US (1) US20180297096A1 (fr)
EP (1) EP3362200B1 (fr)
JP (1) JP2018530435A (fr)
KR (1) KR20180067615A (fr)
CN (1) CN108367327A (fr)
RU (1) RU2717431C2 (fr)
SE (1) SE539421C2 (fr)
WO (1) WO2017065675A1 (fr)

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IT201800004134A1 (it) * 2018-03-30 2019-09-30 Sms Group S P A Sistema e metodo di bobinatura di un prodotto laminato a caldo tramite bobinatrice rotante
JP7054978B2 (ja) * 2019-04-22 2022-04-15 株式会社五十鈴製作所 コイル状線材の移替装置およびコイル状線材移替装置の制御方法
WO2023027651A2 (fr) * 2021-08-26 2023-03-02 Domeks Maki̇ne Li̇mi̇ted Şi̇rketi̇ Procédé permettant d'enrouler le câble dans des machines d'enroulement automatique de câble et appareil à garniture associé

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US6240617B1 (en) * 1997-04-04 2001-06-05 Kawasaki Steel Corporation Large unit weight hot rolling process and rolling apparatus therefor

Also Published As

Publication number Publication date
EP3362200A1 (fr) 2018-08-22
RU2717431C2 (ru) 2020-03-23
SE1551334A1 (en) 2017-04-16
RU2018117353A3 (fr) 2020-01-28
EP3362200B1 (fr) 2020-09-23
JP2018530435A (ja) 2018-10-18
SE539421C2 (sv) 2017-09-19
CN108367327A (zh) 2018-08-03
EP3362200A4 (fr) 2019-06-26
KR20180067615A (ko) 2018-06-20
RU2018117353A (ru) 2019-11-21
WO2017065675A1 (fr) 2017-04-20

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