EP2382346B1 - Dispositif destiné à l'entraînement sans contact d'une navette dans un ros d'un métier à tisser circulaire - Google Patents

Dispositif destiné à l'entraînement sans contact d'une navette dans un ros d'un métier à tisser circulaire Download PDF

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Publication number
EP2382346B1
EP2382346B1 EP10700254.5A EP10700254A EP2382346B1 EP 2382346 B1 EP2382346 B1 EP 2382346B1 EP 10700254 A EP10700254 A EP 10700254A EP 2382346 B1 EP2382346 B1 EP 2382346B1
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EP
European Patent Office
Prior art keywords
shuttle
magnets
actuation element
magnetic
shooter
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
EP10700254.5A
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German (de)
English (en)
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EP2382346A1 (fr
Inventor
Nikolaus Wagner
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.)
Starlinger and Co GmbH
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Starlinger and Co GmbH
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Publication date
Application filed by Starlinger and Co GmbH filed Critical Starlinger and Co GmbH
Publication of EP2382346A1 publication Critical patent/EP2382346A1/fr
Application granted granted Critical
Publication of EP2382346B1 publication Critical patent/EP2382346B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D37/00—Circular looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/24—Mechanisms for inserting shuttle in shed
    • D03D49/44—Mechanisms for inserting shuttle in shed whereby the shuttle is propelled by electric or magnetic means
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/60—Construction or operation of slay
    • D03D49/66—Shuttle races

Definitions

  • the invention relates to a device for non-contact driving a movable along a circular orbit in Riet a loom movable shooter, with at least one permanent magnet on the shooter and at least one with the at least one permanent magnet of the shooter operatively connected magnet on a concentric to the orbit of the shooter movable drive element is arranged, wherein an air gap between the shooter and the drive element is formed, according to the preamble of claim 1.
  • Such a device is from the document US 2 177 742 A known.
  • the CH 562 898 A5 discloses a device for the contactless conveyance of objects, in particular of weavers in wave weaving machines.
  • the magnetic drive mechanism presented in this document has an attraction-based magnet assembly.
  • a shuttle with two magnets each mounted at its forward and rearward directions of movement is moved along a circular path by magnetic repulsion forces by two respective same-pole magnets fixed on a rotating drive disk at an appropriate distance from each other.
  • the moving direction on the Drive disc located behind the winder magnet drives the shuttle in front of him, the leading magnet on the drive disc prevents the shuttle from rushing it and leaving its proper position with respect to the drive pulley.
  • the object of the present invention is to overcome the known disadvantages of the prior art of such drives of weavers.
  • a drive device has at least one permanent magnet on the contactor and a magnet on the revolving drive element, which are in operative connection with each other and are poled so that they attract each other.
  • the magnetic attraction acting between the shooter and the drive element is preferably oriented normal to the direction of movement of the shooter. Becomes When the driving member moves, an offset and a magnetic force accompanying this offset are normal to the magnetic axis of the attracting portion.
  • the air gap between the shooter and the drive element can be configured geometrically favorable and large enough to achieve a secure guidance of Kettbmixchen through the air gap.
  • At least one magnetic repulsion portion between the shooter and the drive element is further formed, comprising at least one permanent magnet arranged on the shooter and at least one arranged on the drive element magnets which are poled so that they repel each other.
  • This at least one repulsion section between the drive element and the shooter causes normal to the orbit of the shooter, the magnetic attraction of the magnetic attraction section and the weight of the shuttle is compensated, so that a free air gap between shooter and drive element is adjustable without guide rollers. It should be noted that this repulsion portion between the drive member and the shooter does not cancel the shearing forces generated by the magnetic attraction portion between the shooter and the drive member. It should also be mentioned that in this embodiment of the invention of the weavers guide rollers are provided to compensate for centrifugal forces.
  • the magnetic attraction section seen in the orbit of the shooter - successively arranged, preferably strip-shaped, permanent magnets with alternating polarity on Sagittarius and successively arranged, preferably strip-shaped, magnets with alternating polarity on the drive element, wherein the permanent magnets of the shooter and the magnets of the drive element facing each other in pairs and are poled so that attract two opposing individual magnets of the shooter or the drive element respectively. Due to the design with several individual magnets with alternating polarity, the magnetic active connection is amplified and the occurring offset between contactor and drive element is limited, since even with the slightest slip, larger shearing forces are transmitted in the direction of movement. For optimum alignment of the magnetic field lines in the magnetic section, the attachment of the individual magnets on a return plate is recommended.
  • a very strong magnetic operative connection is achieved if the permanent magnets of the shooter are arranged so that their magnetic axes face the drive element, and the magnets of the drive element are arranged so that their magnetic axes are facing the shooter.
  • the at least one magnetic repulsion section between contactors and drive element - seen in the orbit of the shooter - side by side preferably strip-shaped, permanent magnets with alternating polarity at Sagittarius and juxtaposed, preferably strip-shaped, magnets with alternating polarity on the drive element, said the permanent magnets of the shooter and the magnets of the drive element facing each other in pairs and are poled so that two opposing individual magnets of the shooter or the drive element repel each.
  • two magnetic repulsion sections are provided between the drive element and the contactor, which are arranged, for example, at the two ends of a longitudinal side of the shooter and in between, i.e. between the contactors.
  • the magnetic attraction portion is arranged.
  • the sequence of two magnetically repulsive portions and a centrally located, magnetically attracting section ensures a stable flat position between the shooter and the moving drive element with approximately constant gap width.
  • the proposed arrangement of the permanent magnets of the shuttle and the magnets of the drive element, the attractive magnetic forces of the attractive section are compensated by repulsive forces of the repulsion sections, whereby the shear forces generated by the attraction section between the drive element and the shooter are not affected.
  • the individual magnets are arranged side by side on both sides of the shooter, as well as the rotating drive element so that in each case two, separated by an air gap between the shooter and drive element, opposing individual magnets repel each other.
  • the stiffness of the magnetic operative connection is also increased here and larger shear forces can be transmitted transversely to the direction of movement at offset.
  • the attachment of the individual magnets to a return plate is also recommended for the magnetic section with mutually repulsive active connection.
  • the permanent magnets of the shooter are arranged so that their magnetic axes to the drive element, and the magnets of the drive element are arranged so that their magnetic axes to protect.
  • At least one magnetic repulsion portion between the shooter and Riet is formed, comprising at least one permanent magnet arranged on the shooter and at least one Riet arranged magnets which are poled so that they repel each other, wherein the repelling direction of the repulsion portion between the shooter and the Riet counteracts the repelling direction of the repulsion portion between the shooter and the drive element.
  • the shooters can omit altogether vertical, ie conventional, mechanically acting guide devices of the shooter, for example guide wheels or rollers, ie at right angles to its orbit, as well as the corresponding guideways of the shooter on the reef.
  • the weight forces of the shooter are absorbed by the magnetic repulsion sections. Only for the compensation of the centrifugal forces of the shooter mechanical support devices (wheels on the shooter and a guideway on Riet) are provided, but in a further training, the centrifugal forces can be compensated by magnets on Sagittarius and along the reed.
  • the permanent magnets of the shooter are arranged so that their magnetic axes have to Riet, and the magnets of the reed are arranged so that their magnetic axes to protect.
  • the shooter's vertical position adjusts within narrow limits depending on the counteracting magnetic repulsion sections between the drive element and the contactor and between the contactors and the reed, and the variable weight of the thread bobbin carried in the contactor.
  • the less production interruptions are required by a bobbin change the higher the profitability of such weaving machines.
  • the size of the entrained filament coil has a significant impact on the economy, which is why ever larger bobbins should find space in the shooter.
  • This embodiment of the invention is intended to eliminate all warp-contacting guide means and at the same time to keep the resulting variability of the vertical contactor position and thus the gap width between shooter and drive element or reed in a narrow range.
  • the magnets are formed on the drive element and / or Riet as a permanent magnet.
  • the gap width between shooter and drive element can be set even more precise and constant while operating the magnets on the drive element and / or the reed as electromagnets, preferably provided with a suitable control, the movement of the magnet despite variable weights of the coil during operation Ensure contactors on a constant orbit in the reef.
  • Fig. 1 schematically is a shooter 1 a circular loom with a housing 2 to which a plurality of support rollers 3, and a plurality of guide rollers 4 are arranged, is shown.
  • the shooter moves along an orbit 16 in the reed of the circular loom, which is in Fig. 1 not shown. Also missing for a better overview in the representations of all threads and tapes of the fabric produced in the circular loom.
  • the thread or ribbon spool 5 On the inside of the shooter 1 or within its housing 2 is the thread or ribbon spool 5, which is mounted on a cylindrical bobbin holder 7, which is preferably rotatably mounted by means of ball bearings on a holder 6 on the shooter 1.
  • a return plate 8 is fixed in a drive device according to the invention, on the underside of which a plurality of individual magnets 9, 9 'and 29, 29' are arranged adjacent to each other with alternating polarity.
  • Fig. 1 further shows a part of a drive element 10 of the circular loom, which is moved concentrically to the circular orbit 16 of the shooter 1.
  • the drive element 10 and the shooter 1 close together an air gap 11 with a gap width b.
  • Individual magnets 12, 12 'and 22, 22' with alternating polarity are likewise arranged on the circumference of the drive element 10 and are fastened on the upper side of a return plate 15.
  • the drive element 10 is rotated by a drive device, not shown, for example, the central drive pulley or shaft of the circular loom.
  • the drive element 10 is associated with the shooter 1, wherein in looms usually between four and twelve weavers 1 and as many drive elements 10 along the orbit 16 in the reed are distributed.
  • the permanent magnets 29, 29 'on the contactor 1 and the magnets 22, 22' on the drive element 10 are poled so that they form a magnetic attraction portion 14, which attracts the associated shooter 1 due to the occurrence of shear forces upon rotation of the drive member 10 with it. More specifically, in the magnetic attraction portion 14 - in the orbit 16 of the shooter 1, as seen - the permanent magnets 29, 29 'arranged one behind the other and configured, preferably strip-shaped, with alternating polarity. In the same way, the magnets 22, 22 'of the drive element 10 are arranged one behind the other and configured, preferably strip-shaped, with alternating polarity.
  • the Permanent magnets 29, 29 'of the contactor 1, the magnets 22, 22' of the drive member 10 are opposite so that pairs of magnets are formed, which are poled so that two opposite individual magnets 29, 29 'and 22, 22' of the shooter or each of the drive element.
  • the permanent magnets 29, 29 'of the contactor 1 are arranged so that their magnetic axes to the drive element 10, and the magnets 22, 22' of the drive member 10 are arranged so that their magnetic axes to the shooter 1, 1 'have.
  • two magnetic repulsion sections 13 are formed between the contactor 1 and the drive element 10.
  • These repulsion sections 13 each comprise - seen in orbit 16 of the shooter 1 - arranged side by side, strip-shaped, permanent magnets 9, 9 'with alternating polarity on Sagittarius 1 and juxtaposed, strip-shaped, magnets 12, 12' with alternating polarity on the drive element 10.
  • the permanent magnet 9, 9 'of the shooter 1 and the magnets 12 of the drive element 10 are opposite each other in pairs and are poled so that two opposing individual magnets 9, 9'. or 12, 12 'of the shooter or the drive element repel each.
  • the magnetic axes of all magnets are substantially normal to the orbit 16 of the contactor first
  • FIGS. 2a to 2d show in several detail views arrangements of individual magnets on the return plate 8 of the shooter 1 and on the return plate 15 of the drive element 10th
  • Fig. 2a is a side view of the magnet assemblies shown in length.
  • the width b of the air gap 11 between the magnets of the drive element 10 and the overlying contactor 1 can be clearly seen.
  • a magnetic section 13 with repulsive operative connection followed by a magnetic section 14 with attractive active connection, followed by another section 13 with repulsive operative connection.
  • the permanent magnets 9 (permanent magnets 9 'are not visible) of the shooter and the magnets 12 (magnets 12' are not visible) are aligned in the magnetic repulsion sections 13 along the orbit 16 of the shooter 1 in Riet, in the magnetic attraction section 14 are the permanent magnets 29, 29 'of the shooter and the magnets 22, 22' transverse to the orbit 16.
  • the respectively opposing individual magnets 29, 29 'and 22, 22' are mutually differently poled.
  • Fig. 2b shows in plan view the in Fig. 2a
  • two magnetic repulsion portions 13 having a magnetically attracting portion 14 centered thereon and comprising magnets connected to the one shown in FIG Fig. 2b not shown complementary magnets of the opposite shooter are in operative connection.
  • Fig. 2b different variants of the design of a magnetic repulsion portion 13 are shown:
  • the portion shown on the right 13 ' consists of a single magnet 12 with a polarity "N" (ie, the magnetic axis emerges from the drawing).
  • the magnetic portion 13 has two mutually parallel, arranged along the direction of movement 16 of the shooter 1 individual magnets 12 and 12 'with alternating polarity "N - S" on.
  • FIG. 2d respectively show these two last-mentioned embodiments of an alternating polarity magnetic section 13 "N-S-N" and an alternating polarity section "N-S" in front views.
  • Fig. 3 shows a shooter 1 ', a training of the shooter 1 from Fig. 1 represents.
  • the shooter 1 of Fig. 3 differs from the shooter 1 of Fig. 1 only in that it is additionally provided on its upper side with a further return plate 8 '.
  • permanent magnets 39 and 39 ' are provided along the orbit 16 of the shooter 1'. These are arranged with the Riet 17 of the loom also along the orbit 16, separated by an air gap 18 from the shooter 1 'individual magnets 19 and 19' in mutually repellent operative connection.
  • this further magnetic repulsion portion 23 an additional repulsive magnetic force is generated, which pushes the shooter 1 'from Riet 17 down.
  • centrifugal forces can also be compensated by the applied magnetic field.
  • the support rollers of the shooter no centrifugal forces are then transmitted during operation, the support rollers thus serve only as a safety device, for example in case of failure of the control of the electromagnet.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (10)

  1. Dispositif destiné à l'entraînement sans contact d'une navette (1, 1') déplaçable le long d'une trajectoire circulaire (16) dans le ros (17) d'un métier à tisser circulaire, comprenant au moins un aimant permanent (29, 29') sur la navette (1) et au moins un aimant (22, 22') en liaison d'action avec ledit au moins un aimant permanent (29, 29') de la navette (1, 1'), lequel aimant est agencé sur un élément d'entraînement (10) déplaçable concentriquement à la trajectoire (16) de la navette, de telle manière qu'un intervalle d'air (11) est formé entre la navette (1, 1') et l'élément d'entraînement (10), dans lequel ledit au moins un aimant permanent (29, 29') de la navette (1, 1') et ledit au moins un aimant (22, 22') de l'élément d'entraînement (10) ont des pôles agencés de telle façon qu'ils s'attirent réciproquement par des forces magnétiques et forment ainsi un tronçon d'attraction magnétique (14), caractérisé en ce qu'au moins un tronçon de répulsion magnétique (13) est formé entre la navette (1, 1') et l'élément d'entraînement (10), comprenant au moins un aimant permanent (9, 9') agencé sur la navette (1, 1'), et au moins un aimant (12, 12') agencé sur l'élément d'entraînement (10) dont les pôles sont agencés de telle manière qu'ils se repoussent mutuellement.
  2. Dispositif selon la revendication 1, caractérisé en ce que ledit au moins un tronçon de répulsion magnétique (13) entre la navette (1, 1') et l'élément d'entraînement (10), vu dans le sens de la trajectoire (16) de la navette (1, 1'), comprend des aimants permanents (9, 9') agencés les uns à côté des autres et de préférence sous forme de rubans avec des pôles alternés sur la navette (1, 1'), et des aimants (12, 12') agencés les uns à côté des autres et de préférence sous forme de rubans avec des pôles alternés sur l'élément d'entraînement (10), et les aimants permanents (9, 9') de la navette (1, 1') et les aimants (12, 12') de l'élément d'entraînement (10) sont opposés les uns par rapport aux autres par paires et leurs pôles sont agencés de telle façon que deux aimants individuels opposés (9, 9', ou 12, 12') de la navette ou de l'élément d'entraînement se repoussent mutuellement.
  3. Dispositif selon la revendication 2, caractérisé en ce que les aimants permanents (9, 9') de la navette (1, 1') sont agencés de telle façon que leurs axes magnétiques sont orientés vers l'élément d'entraînement (10), et les aimants (12, 12') de l'élément d'entraînement (10) sont agencés de telle façon que leurs axes magnétiques sont orientés vers la navette (1, 1').
  4. Dispositif selon l'une des revendications 1 à 3, caractérisée en ce qu'au moins un tronçon de répulsion magnétique (23) est formé entre la navette (1, 1') et le ros (17), qui comprend au moins un aimant permanent (39, 39') agencé sur la navette (1, 1') et au moins un aimant (19, 19') agencés sur le ros (17), dont les pôles sont agencés de telle façon qu'ils se repoussent mutuellement, la direction de répulsion du tronçon de répulsion (29) entre la navette (1, 1') et le ros (17) étant opposée à la direction de répulsion du tronçon de répulsion (13) entre la barrette (1, 1') et l'élément d'entraînement (10).
  5. Dispositif selon la revendication 4, caractérisé en ce que ledit au moins un tronçon de répulsion magnétique (29) entre la navette (1, 1') et le ros (17), vu dans la direction de la trajectoire (16) de la navette (1, 1'), comprend des aimants permanents (39, 39') agencés les uns à côté des autres et de préférence en forme de rubans avec des pôles alternés sur la navette (1, 1'), et des aimants (19, 19') agencés les uns à côté des autres et de préférence sous forme de rubans avec des pôles alternés sur le ros (17), dans lequel les aimants permanents (39, 39') de la navette (1, 1') et les aimants (19, 19') du ros (17) sont opposés les uns aux autres par paires et leurs pôles sont agencés de telle façon que deux aimants individuels opposés (39, 39' ou 19, 19') de la navette ou du ros se repoussent mutuellement.
  6. Dispositif selon la revendication 5, caractérisé en ce que les aimants permanents (39, 39') de la navette (1, 1') sont agencés de telle façon que leurs axes magnétiques sont orientés vers le ros (17), et les aimants (19, 19') du ros (17) sont agencés de telle façon que leurs axes magnétiques sont orientés vers la navette (1, 1').
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que les aimants (12, 12' ; 19, 19') sur l'élément d'entraînement (10) et/ou sur le ros (17) sont réalisés sous forme d'aimants permanents.
  8. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que les aimants (12, 12' ; 19, 19') sur l'élément d'entraînement (10) et/ou sur le ros (17) sont réalisés sous forme d'électroaimants, tels que la force magnétique des électroaimants est réglable, de sorte que la largeur de l'entrefer (11) entre la navette (1) et l'élément d'entraînement (10) est maintenue constante indépendamment du poids de la bobine de fil entraînée (5).
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le tronçon d'attraction magnétique (14), vu dans la direction de la trajectoire (16) de la navette (1, 1') comprend des aimants permanents (29, 29') agencés les uns derrière les autres et de préférence en forme de rubans avec des pôles alternés sur la navette (1, 1'), et des aimants (22, 22') agencés les uns derrière les autres et de préférence en forme de rubans avec des pôles alternés sur l'élément d'entraînement (10), les aimants permanents (29, 29') de la navette (1, 1') et les aimants (22, 22') de l'élément d'entraînement (10) sont opposés les uns aux autres par paires et leurs pôles sont agencés de telle façon que deux aimants individuels opposés (29, 29', ou 22, 22') de la navette ou de l'élément d'entraînement s'attirent respectivement.
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les aimants permanents (29, 29') de la navette (1, 1') sont agencés de telle façon que leurs axes magnétiques sont dirigés vers l'élément d'entraînement (10), et les aimants (22, 22') de l'élément d'entraînement (10) sont agencés de telle façon que leurs axes magnétiques sont dirigés vers la navette (1, 1').
EP10700254.5A 2009-01-22 2010-01-14 Dispositif destiné à l'entraînement sans contact d'une navette dans un ros d'un métier à tisser circulaire Active EP2382346B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1082009A AT507299B1 (de) 2009-01-22 2009-01-22 Vorrichtung zum berührungslosen antrieb eines schützen im riet einer rundwebmaschine
PCT/EP2010/050398 WO2010084075A1 (fr) 2009-01-22 2010-01-14 Dispositif destiné à l'entraînement sans contact d'une navette dans un ros d'un métier à tisser circulaire

Publications (2)

Publication Number Publication Date
EP2382346A1 EP2382346A1 (fr) 2011-11-02
EP2382346B1 true EP2382346B1 (fr) 2014-03-05

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Application Number Title Priority Date Filing Date
EP10700254.5A Active EP2382346B1 (fr) 2009-01-22 2010-01-14 Dispositif destiné à l'entraînement sans contact d'une navette dans un ros d'un métier à tisser circulaire

Country Status (5)

Country Link
EP (1) EP2382346B1 (fr)
CN (1) CN102308037B (fr)
AT (1) AT507299B1 (fr)
BR (1) BRPI1006933A2 (fr)
WO (1) WO2010084075A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4119710A1 (fr) * 2021-07-15 2023-01-18 Technische Universität Dresden Métier circulaire, son utilisation et son procédé de fonctionnement

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102367623A (zh) * 2011-08-17 2012-03-07 胡圣桃 圆织机无接触式梭子装置
CN103031657A (zh) * 2011-09-29 2013-04-10 黄美昌 一种磁推梭塑料圆织机
EP3121319B1 (fr) * 2015-07-20 2020-03-04 Starlinger & Co Gesellschaft m.b.H. Navette
CN106917180A (zh) * 2015-12-28 2017-07-04 昊佑精机工业有限公司 圆织机的梭船驱动装置
CN114351332B (zh) * 2022-01-14 2022-10-28 吉林大学 一种可快速更换打纬板的连接装置

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US2177742A (en) * 1938-11-10 1939-10-31 Earl M Petersen Braiding machine
CH562898A5 (en) * 1973-03-09 1975-06-13 Wlokiennictwa Inst Wave shed loom magnetic shuttle drive - with friction force between shuttle and shedding mechanism eliminated
CH663227A5 (de) 1984-06-08 1987-11-30 Huemer Franz Xaver Rundwebmaschine.
AT390811B (de) 1988-04-29 1990-07-10 Chemiefaser Lenzing Ag Vorrichtung zum antrieb des auf einer fuehrungsbahn umlaufenden schuetzens einer rundwebmaschine
CN1789519A (zh) * 2004-12-15 2006-06-21 唐欢利 圆织机磁性梭子助动装置
EP1777330A1 (fr) * 2005-10-01 2007-04-25 Markus Farner Procédé de support d'un élément de guidage de la trame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4119710A1 (fr) * 2021-07-15 2023-01-18 Technische Universität Dresden Métier circulaire, son utilisation et son procédé de fonctionnement

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Publication number Publication date
WO2010084075A1 (fr) 2010-07-29
CN102308037A (zh) 2012-01-04
AT507299B1 (de) 2010-04-15
AT507299A4 (de) 2010-04-15
EP2382346A1 (fr) 2011-11-02
CN102308037B (zh) 2015-07-29
BRPI1006933A2 (pt) 2016-04-12

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