EP2455517B1 - Faserkanaleinsatz - Google Patents

Faserkanaleinsatz Download PDF

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Publication number
EP2455517B1
EP2455517B1 EP11189267.5A EP11189267A EP2455517B1 EP 2455517 B1 EP2455517 B1 EP 2455517B1 EP 11189267 A EP11189267 A EP 11189267A EP 2455517 B1 EP2455517 B1 EP 2455517B1
Authority
EP
European Patent Office
Prior art keywords
fibre channel
channel insert
fiber channel
insert
fiber
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
Application number
EP11189267.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2455517A2 (de
EP2455517A3 (de
Inventor
Siegfried Krohmer
Mathias Burchert
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP2455517A2 publication Critical patent/EP2455517A2/de
Publication of EP2455517A3 publication Critical patent/EP2455517A3/de
Application granted granted Critical
Publication of EP2455517B1 publication Critical patent/EP2455517B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/38—Channels for feeding fibres to the yarn forming region

Definitions

  • the present invention relates to a fiber channel insert which can be inserted into a receiving opening of an opening roller housing of an open-end spinning device.
  • the fiber channel insert in this case has a Faskananalkorpus and contains a portion of a fiber channel.
  • the invention relates to an open-end spinning device with a spinning element and an opening roller housing, in which an opening roller is rotatably arranged.
  • the open-end spinning apparatus further has a fiber channel, which transports the fiber material to be spun from the opening roller to the spinning element, a portion of the fiber channel being provided in a fiber channel insert insertable into a receiving opening of the opening cylinder housing.
  • the design of the fiber channels, in particular of the entry region of the fiber channels is of great importance with regard to the quality of the spun yarn and the spinning stability.
  • the surface design and the execution of the technologically particularly significant entry region of the fiber channels it is possible to adapt to various materials to be spun, for example, coarse yarn, fine yarn or synthetics to make.
  • the DE 44 16 977 A1 describes an open-end spinning device in which the fiber feed channel consists of two sub-channels, wherein the first sub-channel consists of a arranged in a recess of the opening roller housing insert.
  • the insert is interchangeable arranged by means of an elastic retaining element in the opening roller housing. As a result, in the case of wear, this portion of the fiber channel can be easily replaced by a new portion by replacing the insert.
  • the interchangeability allows an adaptation to different fiber materials.
  • the dissolving housing must first be folded away from the rotor housing. Subsequently, the insert can be removed in a direction perpendicular to the opening roller axis.
  • the DE 197 12 881 B4 also shows a fiber feed channel, which is used as an insert replaceable in an opening roller housing.
  • This fiber channel should be designed as a casting, wherein a molded-position fixing device is provided, which is intended to ensure compliance with a predetermined mounting position in the opening roller housing.
  • the fiber channel insert has the actual fiber channel and the fiber tear-off edge, while the fiber release region is located in the opening cylinder housing.
  • the FR 2 130 507 A1 shows a fiber channel insert containing a portion of a fiber feed channel and a thread withdrawal channel.
  • the insert also serves the connection between the opening roller or its housing and the spinning device or the housing and is therefore fixed both in the opening roller housing, as well as in the rotor housing. In case of wear of the fiber feed channel therefore always the entire insert must be replaced with the Fadenabzugiskanal .
  • the insertion or removal of the insert can also in the FR 2 130 507 A1 only done after the dissolution housing has been opened.
  • the object of the present invention is to provide a fiber channel insert which on the one hand allows a simple adaptation to different applications and on the other hand allows a favorable transition from the opening cylinder housing into the fiber channel. Furthermore, a corresponding open-end spinning device is to be created.
  • a fiber channel insert which can be inserted into a receiving opening of an opening roller housing of an open-end spinning device, has a fiber channel body.
  • the fiber channel insert contains a portion of a fiber channel.
  • According to the fiber channel body is oriented with its major axis substantially transverse to a major axis of the fiber channel.
  • An open-end spinning device has a spinning element and an opening roller housing with an opening roller rotatably disposed therein, which are connected by a fiber channel for transporting the fiber material to be spun.
  • the opening roller housing has a receiving opening into which a fiber channel insert with a fiber channel body can be inserted, which contains a portion of the fiber channel.
  • the fiber channel body according to the invention extends with its main axis essentially transversely to a main axis of the fiber channel, wherein the fiber channel insert can be inserted substantially parallel to the axis of the opening roller.
  • the receiving opening in the opening roller housing thus extends axially parallel to the opening roller.
  • the present invention proposes a fiber channel insert with its major axis transverse, preferably arranged at 90 °, offset to the direction of the fiber channel.
  • the main axis of the fiber channel insert corresponds in the case of a substantially cylindrical or conical geometry to the axis of rotation or, in the case of another geometry, to the direction of the longest dimension.
  • This staggered arrangement offers the possibility of designing the starting region of the fiber channel and in particular the transition from the opening cylinder housing into the fiber channel in accordance with the requirements of the fiber, since, for example, the fiber channel insert has a large diameter Part or the entire width of the opening roller housing may extend.
  • the orientation of the fiber channel insert lying transversely to the fiber channel main axis offers improved possibilities for designing the entry region into the fiber channel.
  • the interchangeability of the fiber channel insert is facilitated because it can be mounted axially parallel to the opening roller axis or dismantled and according to no pivoting of the opening roller housing of the rotor housing is required. The accessibility to the fiber channel insert is thereby improved.
  • the fiber channel insert can contain as subregions, for example, only the fiber removal area or the fiber removal edge or also the two named areas which form the entry area. Furthermore, the fiber channel insert may also contain the beginning region of the actual fiber channel. If the further transport area of the fiber channel is also provided in a replaceable insert, the flexibility is further increased and the matching to individual applications is particularly well possible.
  • the fiber channel insert has a stop face, which is oriented substantially parallel to the main axis of the fiber channel and which determines the position of the fiber channel with respect to the axial direction of the opening roller.
  • the receiving opening has a stop face oriented essentially parallel to the main axis of the fiber channel, wherein the fiber passage can be positioned with respect to the axial direction of the opening roller in cooperation with the stop face of the fiber channel insert. It can thereby ensure the correct position of the fiber channel with respect to the width of the opening roller.
  • the stop surface contains at least one positioning device and / or a centering device.
  • the fiber channel insert can be positioned with respect to its angle to the opening roller and on the other hand ensure that caused by a twisted position of the fiber channel insert no unfavorable transition stages from the opening roller housing to the fiber channel use. Likewise, such unfavorable transition stages can be avoided with the centering device.
  • a centering device on the stop surface instead of a centering device on the stop surface, however, a centering over the lateral surface of the fiber channel body is also possible by, for example, a centering diameter is provided.
  • the positioning of the fiber channel insert can also take place on arranged on the lateral surface positioning, which cooperate with corresponding positioning of the receiving opening.
  • the fiber channel body has a substantially circular cylindrical area, in particular a foot area, with a groove for a sealing element.
  • the fiber channel can thereby be reliably sealed against the opening cylinder housing.
  • the circular cylindrical area can be used for mounting and removing the fiber channel insert.
  • the fiber channel insert contains only the fiber release region. This can be unfavorable Transitions from the opening cylinder housing into the fiber channel, which could obstruct a stretched orientation of the fibers or cause fiber seizure, are avoided. It is particularly advantageous in this case if the fiber channel insert continues to form part of the circumferential wall of the opening roller in the fiber flow direction before the fiber removal area. The entry area into the fiber channel can thereby be optimized with respect to the fiber flow and the transition can be laid in a non-critical area outside the entrance area.
  • the fiber channel insert further contains the fiber release edge. This is often subject to high wear and can be made wear-prone on the insert. It is also advantageous if the fiber channel insert still contains the initial region of the fiber channel, so that an adaptation to different circumstances, for example, by different fiber channel cross sections is possible in this area.
  • the fiber channel insert is easily replaceable inserted into the receiving opening of the opening roller housing.
  • An adaptation to different spinning materials as well as a replacement in case of wear is simplified thereby.
  • the fiber channel insert on two work areas, each containing at least one fiber removal area.
  • two different sections of a fiber channel can be arranged in a single insert and an adaptation to the spinning materials without replacement of the fiber channel use only by a corresponding offset or twisted mounting the same fiber channel use accomplished.
  • the two working areas are arranged radially offset in the fiber channel body.
  • the fiber channel insert can be inserted in two radially offset positions in the receiving opening.
  • the fiber channel insert has a grip area by means of which it can be inserted into the receiving opening and / or removed therefrom. The assembly or disassembly of the fiber channel insert is thereby further facilitated.
  • Fig. 1 shows an open-end spinning device 1 according to the invention with a fiber channel insert 2 according to the invention in a schematic sectional view.
  • the open-end spinning apparatus 1 comprises an opening roller housing 3 with an opening roller 4 rotatably mounted therein and a spinning rotor 5 as a spinning element, which is arranged in a rotor housing 6 subjected to negative pressure.
  • the open-end spinning apparatus 1 includes a fiber channel 9, which transports the fiber material F to be spun from the opening roller 4 to the spinning element 5.
  • the fiber channel 9 includes a transport region 9c, which in the present case is arranged in a manner known per se in a fiber channel component 7 which can be inserted into the opening cylinder housing 3.
  • a feed region 9a of the fiber channel 9 is furthermore provided in a channel plate adapter 8 which can be inserted interchangeably into the rotor housing 6, which allows easy adaptation to different spinning conditions or different rotor diameters.
  • the feed region 9a can also be fixedly arranged in the rotor housing 6 or the transport region 9 of the fiber channel 9 can also be arranged fixedly in the dissolution housing.
  • the opening roller 4 is supplied in a known manner, a fiber material F via a feed device 10.
  • a fiber material F By the rotation of the opening roller 4, which is indicated by an arrow, the fibers are combed out of the fiber material F, dissolved into individual fibers and fed to the fiber channel 9.
  • an air flow is produced in the fiber channel 9 which finally effects the transport of the dissolved individual fibers through the fiber channel 9 to the spinning element 5, in which the individual fibers are spun and pulled off in a known manner into a yarn 11.
  • a fiber channel insert 2 is now provided which can be inserted into a receiving opening 12 of the opening cylinder housing 3 and the contains at least a portion 9b, 13, 14 of the fiber channel 9.
  • the fiber channel body extends with its major axis HA2 substantially transverse to a major axis HA1 of the fiber channel 9 and thus substantially parallel to an axis AW of the opening roller 4.
  • the fiber channel body extends with its major axis HA2 is offset by 90 ° from the fiber channel main axis HA1, but the fiber channel body can also hit the fiber channel main axis HA1 at a slight angle.
  • the fiber channel insert 2 includes the fiber release region 13, which guides the dissolved fibers into the transport region 9c of the fiber channel 9, and the fiber release edge 14, by means of which the fibers are detached from the opening roller 4.
  • the fiber channel insert 2 also contains the initial region 9b of the fiber channel 9.
  • the fiber channel insert 2 is light, i. H. without tools, arranged interchangeable in the receiving opening 12 of the opening cylinder housing 3, so that a simple adaptation to different spinning conditions and fiber materials can be done.
  • the inventive orientation of the fiber channel insert 2 transversely to the fiber channel main axis HA1 a particularly favorable fiber flow can be achieved and the risk of adherence of fibers at transition points 15, 16 and the kinking of fibers are significantly reduced.
  • the fiber channel insert 2 extends over almost the entire width of the opening roller 4 and the corresponding portion of the opening roller housing 3, so that, in contrast to known fiber channel inserts 2 of the prior art transition gaps 15 form, which extend transversely to the fiber flow direction. Since the transition column 15 As a result, lie outside the fiber entry region or the fiber removal region 13, the risk of sticking and damage to the fibers is greatly reduced.
  • Another transition gap 16 is formed along the Faserflußplatz between the fiber channel insert 2 and the opening cylinder housing 3. Since the fiber channel insert 2 extends in contrast to inserts of the prior art over almost the entire width of the inner wall of the opening cylinder housing 3, the transition 16 is outside the fiber flow region , Likewise, the second transition gap 15 between the opening cylinder housing 3 and the fiber channel insert 2 is located outside the fiber flow area with respect to the fiber flow direction. Due to the design with a fiber channel insert offset to the fiber channel main axis HA1, the first transition gap 15 can furthermore be placed in a region far in front of the fiber release region, in which the risk of damage and adhesion of fibers is reduced.
  • the fibers can thus be transported in a particularly gentle manner, whereby optimum adaptation can always be achieved through different configurations of the fiber channel insert 2 with respect to the cross section of the starting region 9b of the fiber channel 9 and the surface finish, and the detachment properties can be influenced.
  • the fiber channel insert 2 is hereby arranged somewhat laterally offset from the fiber channel component 7, so that a comparatively long fiber detachment region 13 is created and very favorable conditions and a particularly favorable position of the first transition gap 15 in the fiber flow direction are achieved in the entire fiber entry region.
  • size and arrangement of the fiber channel insert 2 but this can also, as in Fig. 1 shown to be centrally located in direct extension of the fiber channel main axis HA1.
  • the initial region 9b of the fiber channel 9 deviating from the remaining fiber channel 9 and dem To design transport area 9c, for example, with a widened or narrowed cross-section.
  • Fig. 4 shows a rear view of an opening cylinder housing 3, in which in a receiving opening 12 of the fiber channel insert 2 according to the invention is used.
  • the fiber channel insert 2 is in this case mounted substantially axially parallel to the opening roller axis AW (opening roller 4 not shown here) or dismantled, wherein by corresponding centering and positioning devices (s. Fig. 3 ) the fiber channel insert 2 automatically reaches its correct position with respect to the fiber channel component 7.
  • the assembly and disassembly of the fiber channel insert 2 according to the invention is in this case particularly simple, since access to the fiber channel insert 2 is already obtained when folding the entire pivot housing without opening the dissolution housing 3.
  • the assembly and disassembly of the fiber channel insert 2 can in this case take place independently of the fiber channel component 7 and the channel plate adapter 8, so that the alignment of these components to each other and the tightness of the fiber channel thereof is unaffected.
  • Fig. 3 shows a perspective view of a fiber channel insert 2 according to the invention.
  • the fiber channel insert 2 has a substantially cylindrical Faserkanalkorpus in which present perpendicular to the main axis HA2 of the cylindrical body of the initial region 9b of the fiber channel 9 is introduced.
  • the initial region of the fiber channel 9b or the fiber channel 9 may also be arranged at an angle to the main axis HA2.
  • the fiber channel insert 2 further contains the fiber removal region 13 and the technologically significant fiber removal edge 14. Due to the length of the cylindrical body, which extends over almost the entire width of the inner wall of the opening cylinder housing 3, in the fiber channel insert 2 according to the invention a plurality of variations in expansion, Arrangement and geometry of the fiber entry region and the initial region 9b possible.
  • the fiber channel insert 2 has the complete fiber detachment region 13, so that it does not contain any transitions unfavorable to the fiber flow.
  • the fiber channel insert 2 has a centering device 17 and two positioning devices 18.
  • the centering can also take place over the outer diameter of the body of the fiber channel insert 2.
  • the positioning can also be effected by a projection attached to the lateral surface of the fiber channel body, which projection cooperates with a corresponding groove on the opening roller housing 3 in the region of the receiving opening 12.
  • the centering and positioning axes are in this case also transversely, in this case arranged offset by 90 ° to the fiber channel main axis HA1 corresponding to the main extension of the fiber channel insert 2.
  • the centering device 17 and the positioning devices 18 are provided on a stop surface 22 extending essentially parallel to the main axis HA1 of the fiber channel 9.
  • the stop surface 22 acts together with a stop surface of the opening roller housing 3, not shown, and thereby determines the position of the fiber channel insert 2 in the axial direction of the opening roller.
  • the fiber channel insert 2 further comprises a circular cylindrical portion 19, which contains a groove 20 for a sealing element, not shown here.
  • the opening roller housing 3 can be sealed by means of the sealing element to prevent the inflow of false air.
  • a grip region 21 is provided on the circular-cylindrical region or in the present case at the rear end of the fiber channel insert 2, by means of which the fiber channel insert 2 can be easily removed from the receiving opening 12.
  • only the circular cylindrical portion 19 may be provided as a grip area.
  • Fig. 5 shows a development of the invention, in which the fiber channel insert 2 has a second work area A ', which contains at least one second fiber removal area 13'.
  • the two working areas A and A ' are arranged one behind the other with respect to the longitudinal direction of the body of the fiber channel insert.
  • the fiber channel insert 2 is in this case also rotated by 180 ° in the receiving opening 12 of the opening roller housing 3 used. This makes it possible to provide two different sections 9b, 13, 14 of a fiber channel 9 in a single fiber channel insert 2, which are applicable without changing the insert.
  • Fig. 6 shows a schematic sectional view of a fiber channel insert 2, in which two working areas A and A 'in succession, based on the circumferential direction of the fiber channel insert 2, are provided.
  • fiber channel insert 2 in addition to facilitated assembly and disassembly as well as improvements with regard to the fiber flow, a much higher flexibility with regard to the applications is thus possible.
  • various fiber entry regions can be provided in which the radius or the position of the fiber removal edge 14 is changed or the fiber removal region 13 is adapted in its execution to the fiber material FM to be spinned, the spinning conditions and the fiber throughput.
  • different fiber channel cross sections can be realized with certain constrictions or extensions in the initial region 9b.
  • the invention is not limited to the illustrated embodiments.
  • a fiber channel insert 2 which contains only the fiber removal region 13, while the fiber removal edge 14 in the opening cylinder housing 3 or in a likewise executed as an insert Fiber channel component 7 is arranged. Due to the simple interchangeability, however, it is advantageous to arrange the fiber removal edge 14, which is usually subjected to heavy wear, to the easily exchangeable fiber channel insert 2. Further modifications are possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP11189267.5A 2010-11-19 2011-11-16 Faserkanaleinsatz Active EP2455517B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010044181A DE102010044181A1 (de) 2010-11-19 2010-11-19 Faserkanaleinsatz

Publications (3)

Publication Number Publication Date
EP2455517A2 EP2455517A2 (de) 2012-05-23
EP2455517A3 EP2455517A3 (de) 2015-01-28
EP2455517B1 true EP2455517B1 (de) 2016-03-30

Family

ID=45440084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11189267.5A Active EP2455517B1 (de) 2010-11-19 2011-11-16 Faserkanaleinsatz

Country Status (6)

Country Link
US (1) US8371098B2 (zh)
EP (1) EP2455517B1 (zh)
CN (1) CN102560757B (zh)
BR (1) BRPI1105649B1 (zh)
DE (1) DE102010044181A1 (zh)
TW (1) TW201221715A (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103334187A (zh) * 2013-07-25 2013-10-02 上海淳瑞机械科技有限公司 一种抽气式转杯纺纱机的纺纱器
CN103911697B (zh) * 2014-03-24 2016-08-17 东华大学 一种双喂给分梳机构
US10845069B2 (en) 2017-03-16 2020-11-24 Therma-Stor LLC Dehumidifier with multi-circuited evaporator and secondary condenser coils
DE102018105075A1 (de) * 2018-03-06 2019-09-12 Saurer Spinning Solutions Gmbh & Co. Kg Faserleitkanaleinrichtung für eine Offenend-Spinnvorrichtung mit einer Rastverbindung
DE102018007069A1 (de) * 2018-09-07 2020-03-12 Saurer Spinning Solutions Gmbh & Co. Kg Auflösewalzengehäuse für eine Auflösevorrichtung einer Offenend-Rotorspinnvorrichtung
DE102019102337A1 (de) 2019-01-30 2020-07-30 Saurer Spinning Solutions Gmbh & Co. Kg Faserführungseinsatz für ein Auflösewalzengehäuse
CZ2019187A3 (cs) * 2019-03-28 2020-10-07 Rieter Cz S.R.O. Spřádací jednotka rotorového spřádacího stroje a dílec spřádací jednotky
CN110592746A (zh) * 2019-09-25 2019-12-20 江苏海特服饰股份有限公司 摩擦纺夹芯包捻生产线

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Publication number Priority date Publication date Assignee Title
CS163843B1 (zh) * 1971-03-26 1975-11-07 Elitex Zavody Textilniho
CS228617B1 (cs) * 1982-04-23 1984-05-14 Milos Holzbach Vložka pro dopřádaci stroj
DE3923060A1 (de) * 1989-07-13 1991-01-24 Schubert & Salzer Maschinen Offenend-spinnvorrichtung
DE4227016C2 (de) * 1992-08-14 1995-09-28 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung
DE4416977C2 (de) * 1994-05-13 1996-12-19 Rieter Ingolstadt Spinnerei Offenend-Spinnvorrichtung
CZ5018U1 (cs) * 1996-06-20 1996-07-23 Václav Ing. Šafář Spřádací jednotka
CZ5599U1 (cs) * 1996-10-18 1997-01-27 Rieter Elitex A.S. Oddělovací těleso ojednocených vláken
DE19712881B4 (de) 1997-03-27 2005-12-22 Saurer Gmbh & Co. Kg Offenend-Spinnvorrichtung
DE19742498A1 (de) * 1997-09-26 1999-04-01 Friedrich Legrom Faserzuführelement einer Rotorspinnmaschine
DE19836066A1 (de) * 1998-08-10 2000-02-17 Schlafhorst & Co W Offenend-Spinnvorrichtung
DE10348710A1 (de) * 2003-10-16 2005-05-12 Saurer Gmbh & Co Kg Faserleitkanal
DE102004005429A1 (de) * 2004-02-04 2005-08-25 Saurer Gmbh & Co. Kg Faserleitkanal für eine Offenend-Spinnvorrichtung sowie Verfahren zum Herstellen eines Faserleitkanals
DE102005050102B4 (de) * 2005-10-18 2018-04-05 Rieter Ingolstadt Gmbh Offenend-Spinnvorrichtung mit einem Faserkanal aus mehreren Kanalbauteilen
DE102007000621A1 (de) * 2007-11-05 2009-05-07 Rieter Ingolstadt Gmbh Faserleitkanalbauteil für eine Offenend-Spinnvorrichtung
DE102009012045A1 (de) * 2009-03-06 2010-09-09 Oerlikon Textile Gmbh & Co. Kg Offenend-Rotorspinnvorrichtung
DE102011010925A1 (de) * 2011-02-11 2012-08-16 Oerlikon Textile Gmbh & Co. Kg Faserleitkanaleinrichtung für eine Offenend-Spinnvorrichtung

Also Published As

Publication number Publication date
BRPI1105649A2 (pt) 2014-08-19
TW201221715A (en) 2012-06-01
US8371098B2 (en) 2013-02-12
US20120159920A1 (en) 2012-06-28
DE102010044181A1 (de) 2012-05-24
CN102560757B (zh) 2016-01-13
CN102560757A (zh) 2012-07-11
EP2455517A2 (de) 2012-05-23
EP2455517A3 (de) 2015-01-28
BRPI1105649B1 (pt) 2020-01-21

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