EP3085643B1 - Vorrichtung zum vollständigen und schnellen verschliessen/öffnen eines mannlochs - Google Patents

Vorrichtung zum vollständigen und schnellen verschliessen/öffnen eines mannlochs Download PDF

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Publication number
EP3085643B1
EP3085643B1 EP16166143.4A EP16166143A EP3085643B1 EP 3085643 B1 EP3085643 B1 EP 3085643B1 EP 16166143 A EP16166143 A EP 16166143A EP 3085643 B1 EP3085643 B1 EP 3085643B1
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EP
European Patent Office
Prior art keywords
opening
flange
fact
closing device
intermediate flange
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Application number
EP16166143.4A
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English (en)
French (fr)
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EP3085643B8 (de
EP3085643A1 (de
Inventor
Jean-Philippe PFEIFFER
David GRIESEMER
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De Dietrich
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De Dietrich
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Publication of EP3085643B1 publication Critical patent/EP3085643B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/10—Manholes; Inspection openings; Covers therefor

Definitions

  • the present invention relates to a device for opening / closing integral and fast reactor tubing, also known as the manhole.
  • the invention more particularly relates to an integral and rapid opening / closing device enamelled reactor manhole having cam crank systems.
  • a manhole type reactor manifold is a stitching made on a chemical reactor allowing a person to enter the reactor, in particular for cleaning, checking, maintenance or filling with chemicals. .
  • Such stitching is bordered by a flange on which is mounted a buffer for closing the manhole of the reactor.
  • the buffer being hingedly mounted on the reactor by means of a hinge or a bracket, it is not necessary to remove it entirely, it is sufficient to tilt it in opening on the side.
  • central crank devices which, via a linkage system, allows to operate simultaneously several locking means opening or closing.
  • the object of the present invention is therefore to overcome the disadvantages of the prior art by providing a new quick opening / closing manhole device especially for enamelled reactor.
  • the intermediate flange is secured to the flange of the tubing or stitching by means of studs distributed around the periphery of the intermediate flange.
  • the studs are screwed under the intermediate flange.
  • the first packer comprises a flat gasket provided on the contact zone situated between the upper face of the flange of the tubing or stitching and the underside of the flange. intermediate.
  • the second seal comprises a sealing ring mounted on the opening of the intermediate flange, comprising a horizontal flat bearing on the upper face of the intermediate flange and comprising an O-ring housed in a groove provided on the upper face of the horizontal flat.
  • the opening / closing device comprises three locking systems distributed in a triangle equidistantly around the periphery of the intermediate flange.
  • each locking system comprises a base adapted to be secured by screwing or welding on the upper face of the intermediate flange.
  • each handling member comprises handles for transmitting a torque.
  • each manipulation member is provided in the upper part of the locking system and has a threaded cylindrical central hollow volume intended to be engaged on the complementary thread of a vertical threaded rod mounted on the intermediate flange.
  • the vertical threaded rod is held in place by an immobilizing screw which presses transversely on its thread and prevent rotation.
  • the rotating ring is mounted around the lower part of the handling member, these two parts being mounted mutually irremovable by means of a holding device.
  • the rotating ring is rotated by a friction seal provided between the rotating ring and the handling member so that when the handling member is pivoted, the ring rotating is also rotated.
  • each locking system comprises bearings provided vertically and horizontally between the contact surfaces of the manipulation member with the body of the invention. manipulation to guide the pivoting of the rotating ring around the manipulator and the vertical threaded rod.
  • each base comprises a stop ring whose projecting upper flange is received in a central recess of complementary shape provided in the lower flange of the rotating ring, the projecting upper flange.
  • the cutout of the upper rim of the stop ring is present on a quarter of its periphery.
  • the tubing or stitching is the manhole of an enameled chemical reactor.
  • the opening / closing device of the invention allows in particular to keep the taps on the buffer and is compatible with systems by bracket or hinge to move the buffer.
  • the opening / closing device of the invention is also entirely removable. It presents a simplified maintenance that further enhances its economically competitive nature.
  • the opening / closing device of the invention makes it possible to exert sufficient force to ensure the seal between the buffer and the intermediate flange, and between the manhole flange and the intermediate flange.
  • the opening / closing device of the invention makes it possible to open and close a hole of man quickly, usually in less than a minute.
  • the opening / closing device of the invention can be adapted to all types of current and old reactors.
  • the use of a seal between the intermediate flange and the flange of the manhole also compensates for unevenness of the latter.
  • the opening / closing device of the invention is therefore perfectly suitable for enamelled reactors or reactors having undergone deformations.
  • the opening / closing device of the invention complies with the various standards in force and withstands a wide range of pressure and temperature, usually from -1 to +6 bars, and from -25 to +200 ° vs.
  • the opening / closing device of the invention is not damaged by the chemicals contained in the reactor.
  • the opening / closing device of the invention does not require any tools for its manipulation, and requires a physical effort adapted to the normal biomechanical capacity of an operator.
  • the rapid opening / closing device (1) of the invention is adapted to equip a tubing or stitching (2) having an opening (3) bordered by a flange (4) or a flange and closed by a buffer (5). ).
  • the rapid opening / closing device (1) of the invention will be described in the case where it equips the manhole (2, 6) of a reactor chemical (7) enamelled.
  • the invention can be adapted to any (the) tubing or stitching (2), it will be described here in the case where the stitching (2) is a manhole (2, 6) .
  • the opening (3) of such a manhole (2, 6) is usually closed by a buffer (5) pivotally mounted on the reactor (7) via a tilting device (8) hinge or stem which can be actuated or assisted by a jack (9).
  • This buffer (5) can itself have one or more taps (2b), and a handle (10) for its manipulation in opening and closing.
  • the quick opening / closing device (1) of the invention comprises an intermediate flange (11) adapted to be mounted between the flange (4) of the manhole (2, 6) and the pad (5).
  • This intermediate flange (11) is not systematically enamelled and is preferably manufactured with a black or stainless steel base and overmoulding type TFM, PFA or PTFE for the zone in contact with the reaction sky.
  • the intermediate flange (11) is secured to the flange (4) of the manhole (2, 6), for example by means of crampons (12) each provided with a nut (13) and distributed around the periphery of the intermediate flange (11). By tightening the nut (13) of each crampon (12), these crampons (12) tighten the upper face of the flange (4) of the manhole (2, 6) against the underside of the flange. intermediate (11).
  • the crampons (12) can be in one piece with the flange intermediate (11), or screwed under on it.
  • the crampons (12) are preferably provided so as to leave the upper face of the intermediate flange (11) free.
  • Tightening the nut (13) of each crampon (12) makes it possible to firmly press the intermediate flange (11) onto the flange (4) of the manhole (2, 6). This operation is performed only once during the introduction of the quick opening / closing device (1) of the invention on a manhole (2, 6). These nuts (13) will not have to be handled during the subsequent phases of opening or closing the manhole (2, 6).
  • This intermediate flange (11) makes it possible to adapt the assembly of the quick opening / closing device (1) of the invention to any existing manhole (2, 6) . It serves in effect support for all the constituent elements of the device (1) of the invention, including the buffer (5) and its tilting device (8). Once this intermediate flange (11) secured to the manhole (2, 6), it is not necessary that another component of the device (1) of the invention is secured to the reactor (7).
  • the intermediate flange (11) also makes it possible to compensate for any lack of flatness of the flange (4) of the manhole (2, 6), in order to provide on its upper face a flawless flat surface on which can rest the buffer (5) for a perfect seal.
  • the seal between the intermediate flange (11) and the flange (4) of the manhole (2, 6) is improved by the provision of a first seal (14) provided between these two parts (11, 4).
  • This first seal (14) preferably comprises a flat seal (15) provided on the contact zone situated between the upper face of the flange (4) of the manhole (2, 6) and the lower face of the intermediate flange (11).
  • a second seal (16) is also provided between the upper side of the intermediate flange (11) and the lower face of the pad (5).
  • This second seal (16) may comprise a sealing ring (17) mounted on the opening of the intermediate flange (11), comprising a horizontal flattening (18) resting on the upper face of the intermediate flange ( 11).
  • An O-ring (19) is mounted in a groove (20) provided on the upper face of the horizontal flat (18).
  • Another groove (21) may also be provided on the upper face of the intermediate flange (11), at its inner rim, to receive the horizontal flat (18) and thus maintain the sealing ring (17) in position .
  • the sealing ring (17) is preferably made of PTFE, PFA or TFM.
  • the fast opening / closing device (1) of the invention also comprises locking systems (22) which are mounted on the intermediate flange (11).
  • the device (1) of the invention preferably comprises three locking systems (22) which are distributed in a triangle equidistantly around the periphery of the intermediate flange (11).
  • the opening / closing device comprises at least three locking systems distributed in a triangle equidistantly around the periphery of the intermediate flange. Depending on the diameters of the manhole opening, the number of locking systems may be variable.
  • the locking systems (22) of the invention are preferably in the form of cam crank systems (23), each cam (24) is provided to be positioned above the buffer (5) by pivoting and then come to bear on it to ensure its closure, the opening being done by the reverse movement.
  • Each cam crank system (23) comprises a base (25) provided to be secured by screwing or welding on the upper face of the intermediate flange (11).
  • Each cam crank system (23) also comprises a handling member (26), for example provided with handles (27) to easily transmit a torque to it.
  • This manipulation member (26) is provided in the upper part of each system (23) and has a threaded cylindrical central hollow space (28) intended to be engaged on the complementary thread of a vertical threaded rod (29) mounted on the flange. intermediate (11), through the base (25).
  • This vertical threaded rod (29) is held in place by an immobilizing screw (30) which bears transversely on its thread, which also prevents its rotation.
  • a rotating ring (31) having a cam (24) is mounted around the lower portion of the manipulator (26), with a portion extending downwardly beyond the manipulator (26) for form a back towards the vertical threaded rod (29).
  • Another holding device (32) for example in the form of a split ring (33), is housed in two grooves (34, 35) facing each other, namely a groove (34) provided on the internal flank of the rotating ring (31) and a groove (35) provided on the outer side of the manipulation member (26), thus allowing, after assembly of the manipulation member (26) in the rotating ring (31); ), to make these two pieces (26, 31) mutually irremovable.
  • the rotating ring (31) has a cam (24) for locking the pad (5) when pivoted in the closed position and for disengaging the pad (5) when pivoted to the open position.
  • the rotating ring (31) is rotated by a friction seal (37) provided between the rotating ring (31) and the manipulation member (26) so that when the manipulation member (26) is rotated, the rotating ring (31) is also rotated.
  • the friction seal (37) is preferably housed in the upper part of the rotating ring (31) in order to protect bearings (38) mounted between the manipulation member (26) and the manipulation member (26).
  • bearings (38) are provided vertically and horizontally between the contact surfaces of the manipulation member (26) with the manipulation member (26) to guide the pivoting of the rotating ring (31) around the member manipulator (26) and vertical threaded rod (29)
  • each cam crank system (23) also comprises an abutment ring (39) fixedly mounted on the vertical threaded rod (29).
  • This stop ring (39) is housed in the base (25) so that its upper flange (40) protrudes above the base (25).
  • This protruding upper rim (40) is received in a central recess (41) of complementary shape provided in the lower rim of the rotating race (31).
  • the protruding upper flange (40) has a cutout (42), for example present on a quarter of its periphery, and adapted to receive the free end of a screw, a stud or any other abutment element ( 43), for example substantially horizontal and provided transversely in the lower part of the rotating ring (31) so that when the handling member (26) is pivoted, the rotating ring (31) also pivots, the stop element (43) then moving freely in the free volume defined by the vertical flanks of said cutout (42).
  • a cutout (42) for example present on a quarter of its periphery, and adapted to receive the free end of a screw, a stud or any other abutment element ( 43), for example substantially horizontal and provided transversely in the lower part of the rotating ring (31) so that when the handling member (26) is pivoted, the rotating ring (31) also pivots, the stop element (43) then moving freely in the free volume defined by the vertical flanks of said cutout (42).
  • the rotation of the manipulation member (26) rotates the rotating ring (31) by ninety degrees so that the cam (24) of it engages above the buffer (5) when it is a closing time pivot, or disengages the buffer (5) when it is a counterclockwise opening pivot.
  • the manipulation member (26) being engaged on the thread of the vertical threaded rod (29), its rotation causes it to descend together with the rotating ring (31) when it is a closing clockwise pivot or the is raised together with the rotating ring (31) when it is a counterclockwise pivoting opening.
  • Manipulating the manipulator (26) in rotation then only makes it move together with the rotating ring (31), down when it is a closing time pivot, or upward when This is a counter-clockwise rotation.
  • the closing clockwise pivot then makes it possible to press the cam (24) on top of the buffer (5) to lock it in closing.
  • each cam crank system (23) thus makes it possible to lock or unlock the buffer (5), which both pivots the cam (24) to a position adapted to the cam (24). locking or unlocking the buffer (5), and at the same time lowering or raising the cam (24) so as to press it on the buffer (5) or to disengage it
  • the cutout (42) of the upper rim (40) of the stop ring (39) is present on a quarter of its periphery, which results in a pivoting of a quarter of a turn of the cam (24) to move from its open position to its locking position to its locking position, and vice versa.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Claims (16)

  1. Vorrichtung zum Öffnen/Schließen (1) eines Krümmers oder Anschlussstutzens (2), wobei dieser Krümmer oder Anschlussstutzen (2) eine Öffnung (3) aufweist, umgeben von einem Flansch (4) auf dem ein Stopfen (5) montiert wird, der es erlaubt, ihn zu schließen, wobei die Vorrichtung die folgenden Mittel enthält:
    • ein Zwischenflansch (11), vorgesehen zur Befestigung auf dem Flansch (4) des Krümmers oder Anschlussstutzens (2), zwischen diesem Flansch (4) und dem Stopfen (5);
    • eine erste Dichtung (14), vorgesehen zwischen dem Zwischenflansch (11) und dem Flansch (4) des Krümmers oder Anschlussstutzens (2);
    • eine zweite Dichtung (16), vorgesehen zwischen der Oberseite des Zwischenflanschs (11) und der Unterseite des Stopfens (5); und
    • Verriegelungssysteme (22), montiert auf dem Zwischenflansch (11);
    und wobei die Verriegelungssysteme (22), jeweils ein Bedienelement (26) und einen Drehring (31) umfassen, mit einem Nocken (24), der vorgesehen ist den Stopfen (5) zu verriegeln, wenn er in die Schließposition gekippt wird und den Stopfen (5) zu lösen, wenn er in die Öffnungsposition gekippt wird, die Drehung des Bedienelementes (26) führt zur vertikalen Verschiebung und dem Kippen des Nockens (24), so dass dieser den Stopfen (5) ver- oder entriegeln kann, entsprechend der Drehrichtung des Bedienelementes (26).
  2. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass der Zwischenflansch (11) am Flansch (4) des Krümmers oder Anschlussstutzens (2) mittels Krampen (12) befestigt ist, die auf dem Außenrand des Zwischenflanschs (11) verteilt sind.
  3. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 2, dadurch gekennzeichnet, dass die Krampen (12) unter den Zwischenflansch (11) geschraubt sind.
  4. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass die erste Dichtung (14) eine Flachdichtung (15) umfasst, vorgesehen in der Kontaktzone zwischen der Oberseite des Flanschs (4) des Krümmers oder Anschlussstutzens (2) und der Unterseite des Zwischenflanschs (11).
  5. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass die zweite Dichtung (16) einen Dichtring (17) umfasst, montiert auf die Öffnung des Zwischenflanschs (11), mit einer horizontalen Abflachung (18), aufliegend auf der Oberseite des Zwischenflanschs (11), mit einer O-Ring-Dichtung (19), untergebracht in einer Kehle (20), vorgesehen auf der Oberseite der horizontalen Abflachung (18).
  6. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass sie drei Verriegelungssysteme (22) umfasst, angeordnet im Dreieck und in gleichem Abstand verteilt auf dem Außenrand des Zwischenflanschs (11).
  7. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass jedes Verriegelungssystem (22) eine Grundplatte (25) umfasst, vorgesehen um mit der Oberseite des Zwischenflanschs (11) durch Verschrauben oder Verschweißen fest verbunden zu werden.
  8. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass jedes Bedienelement (26) Handgriffe (27) umfasst, die es ihm ermöglichen, ein Drehmoment zu übertragen.
  9. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass das Bedienelement (26) im oberen Teil des Verriegelungssystems (22) vorgesehen ist und einen zentralen, zylindrischen Hohlraum (28) mit Gewinde aufweist, der dazu vorgesehen ist, auf das komplementäre Gewinde einer senkrechten Gewindestange (29) montiert auf dem Zwischenflansch (11), aufgeschraubt zu werden.
  10. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 9, dadurch gekennzeichnet, dass die senkrechte Gewindestange (29) von einer Feststellschraube (30) an Ort und Stelle gehalten wird, die in Querrichtung auf dem Gewinde aufliegt und die Drehung verhindert.
  11. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass der Drehring (31) um den unteren Teil des Bedienelementes (26) montiert ist, diese beiden Teile (31, 26) sind gegenseitig unlösbar über eine Haltevorrichtung (32) montiert.
  12. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 1, dadurch gekennzeichnet, dass der Drehring (31) durch eine reibschlüssige Verbindung (37) in Drehung versetzt wird, die zwischen dem Drehring (31) und dem Bedienelement (26) vorgesehen ist, so dass wenn das Bedienelement (26) kippt, auch der Drehring (31) kippt.
  13. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 9, dadurch gekennzeichnet, dass jedes Verriegelungssystem (22), Lager (38) umfasst, die vertikal und horizontal zwischen den Kontaktflächen des Bedienelementes (26) mit dem Bedienelement (26) vorgesehen sind zwecks Führung des Kippens des Drehring (31) um das Bedienelement (26) und die senkrechte Gewindestange (29)
  14. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 7, dadurch gekennzeichnet, dass jede Grundplatte (25) einen Anschlagring (39) umfasst, dessen vorragender oberer Rand (40) in einer zentralen Aufnahme (41) komplementärer Form, vorgesehen im unteren Rand des Drehrings (31) aufgenommen werden kann, wobei der vorragende obere Rand (40) einen Ausschnitt (42) aufweist, der vorgesehen ist zur Aufnahme des freien Endstücks eines Anschlagselementes (43), vorgesehen in Querrichtung im unteren Teil des Drehrings (31), so dass wenn das Bedienelement (26) gekippt wird, der Drehring (31) ebenfalls kippt und das Anschlagselement (43) sich frei im freien Raum bewegt, der von diesem Ausschnitt (42) begrenzt wird, so dass wenn das Anschlagselement (43) an das Ende des Ausschnitts (42) gelangt, sein Anschlag gegen eine der beiden vertikalen Flanken des Ausschnitts (42) jedes zusätzliche Kippen des Drehrings (31) verhindert, wenn die Bedienperson das Bedienelement (26) weiter dreht.
  15. Vorrichtung zum Öffnen/Schließen (1) gemäß Anspruch 14, dadurch gekennzeichnet, dass der Ausschnitt (42) des oberen Randes (40) des Anschlagrings (39) sich über ein Viertel seines Umfangs erstreckt.
  16. Vorrichtung zum Öffnen/ Schließen (1) gemäß irgendeinem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Krümmer oder Anschlussstutzens (2) das Mannloch (2, 6) eines emaillierten Chemiereaktors (7) ist.
EP16166143.4A 2015-04-21 2016-04-20 Vorrichtung zum vollständigen und schnellen verschliessen/öffnen eines mannlochs Active EP3085643B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1553580A FR3035384B1 (fr) 2015-04-21 2015-04-21 Dispositif d'ouverture/fermeture integrale et rapide de trou d'homme

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EP3085643A1 EP3085643A1 (de) 2016-10-26
EP3085643B1 true EP3085643B1 (de) 2017-08-23
EP3085643B8 EP3085643B8 (de) 2018-03-14

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HUE055188T2 (hu) * 2017-12-01 2021-11-29 Grifols Worldwide Operations Ltd Tartály fedéllel és eszköz tartály fedelek nyitására és zárására
JP7479478B2 (ja) * 2020-01-02 2024-05-08 インテグリス・インコーポレーテッド 鋼製オーバーパックを備えたバルク容器
CN112344039A (zh) * 2020-11-25 2021-02-09 江苏博特威流体科技有限公司 一种稳定性强便于调节的多阀座阀门
CN112707053B (zh) * 2020-12-18 2023-03-14 安徽工程大学 道路运输液体危险货物罐式车辆人孔盖锁合装置
CN115848847B (zh) * 2022-12-02 2025-02-11 河南中烟工业有限责任公司 一种人孔密封结构

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DE102007045040B3 (de) * 2007-09-13 2009-04-16 Spitzer Silo- Fahrzeugwerke Gmbh Deckelvorrichtung zum Verschließen einer Öffnung eines Behälters
FR2947028B1 (fr) * 2009-06-23 2011-08-19 Acces Innovations Services Dispositif de verrouillage d'une porte
FR2957028A1 (fr) 2010-03-08 2011-09-09 Peugeot Citroen Automobiles Sa Siege pour vehicule automobile
FR2999544B1 (fr) * 2012-12-13 2014-12-05 Etablissements Magyar Procede de fixation d'un couvercle d'orifice de citerne en materiau composite et citerne correspondante
US9334108B2 (en) * 2013-02-28 2016-05-10 Clay And Bailey Manufacturing Company Tank manway with non-corrosive cover

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FR3035384A1 (fr) 2016-10-28
EP3085643B8 (de) 2018-03-14
EP3085643A1 (de) 2016-10-26
FR3035384B1 (fr) 2017-04-21

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