EP3266932B1 - Dispositif d'aspiration pour un appareil de nettoyage d'un feutre dans une installation de fabrication d'une bande de papier - Google Patents

Dispositif d'aspiration pour un appareil de nettoyage d'un feutre dans une installation de fabrication d'une bande de papier Download PDF

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Publication number
EP3266932B1
EP3266932B1 EP17177409.4A EP17177409A EP3266932B1 EP 3266932 B1 EP3266932 B1 EP 3266932B1 EP 17177409 A EP17177409 A EP 17177409A EP 3266932 B1 EP3266932 B1 EP 3266932B1
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EP
European Patent Office
Prior art keywords
suction
felt belt
suction device
valve body
felt
Prior art date
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Application number
EP17177409.4A
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German (de)
English (en)
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EP3266932A1 (fr
Inventor
Klaus Bartelmuss
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Individual
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Individual
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Priority to PL17177409T priority Critical patent/PL3266932T3/pl
Publication of EP3266932A1 publication Critical patent/EP3266932A1/fr
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Publication of EP3266932B1 publication Critical patent/EP3266932B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/14—Drying webs by applying vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/041—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B08B5/043—Cleaning travelling work
    • B08B5/046—Cleaning moving webs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • D21F1/52—Suction boxes without rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/10—Suction rolls, e.g. couch rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/14—Drying webs by applying vacuum
    • D21F5/143—Drying webs by applying vacuum through perforated cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/12—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2215/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B2215/006—Suction tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/31—Suction box; Suction chambers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/32—Washing wire-cloths or felts
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/14—Drying webs by applying vacuum
    • D21F5/146—Vacuum seals

Definitions

  • the subject invention relates to a suction device according to the preamble of claim 1.
  • Such a suction device is from the US 5 147 508 A known.
  • Equipment for the production of paper tapes contain a first region with at least one screen belt, on which a mixture of substances for the production of a paper tape is applied, wherein the screen belt with scraper trained suction boxes are assigned, through which water is sucked from the mixture, whereby the paper tape is produced.
  • These machines further include a second area of felt belts in which the paper web and at least one felt belt are passed between press rolls, whereby moisture contained in the paper web is taken up by the felt belts, and also a third area in which the paper web is dried by means of drying rolls. Subsequently, the dried paper tape is wound on spools, divided into sheets and packed in boxes.
  • the felt belts not only absorb moisture contained in the paper tape, but also get into this components of the mixture, in particular fiber material, by which the effectiveness of the felt belts is deteriorated, there is a need to provide in the trajectory of the felt belts devices for their cleaning.
  • These devices comprise at least one device for introducing a cleaning liquid into the felt belts and at least one suction device following in the direction of movement of the felt belts, by means of which the cleaning liquid located in the felt belts is simultaneously sucked off with the foreign substances located in the latter.
  • the suction device consists of a vacuum channel and a suction plate to which the felt belt is applied and over which the felt belt is passed.
  • the suction plate is formed with suction channels, which are e.g. are formed by a plurality of slots extending transversely to the felt belt and located side by side in the direction of movement of the felt belt, or by a plurality or a plurality of openings located in the suction plate, in particular bores.
  • the suction plates are formed with suction channels, the entire cross-section is so large that even when a heavily loaded with foreign material felt on this the required suction force acts.
  • the suction channels located in the suction plate are initially partially closed and are with increasing load on the felt and thus reducing permeability of the Filzbandes the initially closed suction channels successively opened.
  • sealing strips For this purpose, it is known to assign sealing strips to some of the suction channels located in the suction plate, by means of which the suction channels are at first partially closed, the sealing strips being removed successively with increasing operating time.
  • Known felt belts have a width of up to 12 m.
  • Suction slots in suction plates have a width of e.g. 10 mm to 18 mm.
  • Sealing strips which e.g. made of polyethylene, in this case e.g. a length up to 12 m and a cross section of 10 mm to 18 mm x 20 mm.
  • the subject invention is therefore based on the object to provide a suction device, wherein during operation of the system individual suction channels, which are initially closed, can be opened during operation without difficulty or even closed.
  • a suction device with the features of claim 1.
  • the suction channel is designed as a transverse to the felt belt aligned slot and the valve body is formed as an inflatable tube, wherein the suction channel extends across the width of the felt belt.
  • the suction channel may further be formed by at least two transverse to the felt belt, contiguous slots or openings, in particular holes.
  • At least one suction plate extending transversely to the felt belt is attached to the suction device, said suction plate being provided with suction channels is trained.
  • the at least one valve body which is designed in particular as a hose, is preferably formed with a projecting bar, by means of which it is clamped between the housing of the vacuum channel and the suction plate.
  • At least one support strip for the at least one valve body which is in particular designed as a hose, can be provided, to which the valve body is attached.
  • the valve body may be attached to the support bar by gluing.
  • At least one valve plate to which a valve body, in particular a hose, is attached, mounted on the support strip, which is adjustable by the valve body, wherein it is pivotable through the inflatable valve body into the associated suction opening position closing.
  • the support bar can be screwed to the housing of the vacuum channel.
  • the suction plate and the support strips may be formed with associated grooves and springs, by means of which they are secured together. In this case, the grooves and springs are preferably aligned transversely to the felt belt, whereby the suction plate is displaceable transversely to the felt belt.
  • FIG.1 shown plant for producing a paper tape has a first plant part 1, in which a self-contained screen belt 11 is guided over guide rollers 12, wherein the screen belt 11 suction boxes 13 are assigned.
  • a fabric material for producing a paper tape 10 which is withdrawn by the suction boxes 13 in this befindliches water.
  • a second system part 2, 2a, 2b connects, to which the paper tape 10 is transferred.
  • the paper tape 10 is transferred in the second part of the plant 2, 2a, 2b to the felt belt 21.
  • the paper tape 10 passes between the felt belts 21, 21a, with which it is pressed by means of the press rollers 23, 23a, whereby moisture present in the paper tape 10 is discharged to the felt belts 21, 21a.
  • the paper strip 10 then passes with the felt belt 21 between the press rollers 23, 23b, through which it is pressed with the felt belt 21.
  • the paper tape 10 passes with the felt belt 21b between the two press rollers 23b, 23c. Thus, moisture is released from the paper tape 10 to the felt belts 21, 21a, 21b.
  • a third contact part 3 connects, in which there are a plurality of drying rollers 31, over which the paper tape 10 is guided, whereby it is further dried.
  • the paper belt 10 located on the screen belt 11 has a dry content of about 20% at the end of the first system part 1.
  • the paper tape 10 At the end of the second plant part 2, 2a, 2b, the paper tape 10 has a dry content of about 50% to 55%.
  • the paper tape 10 is brought to a dry content of about 93%.
  • the felt belts 21, 21a, 21 b Since from the paper tape 10 in the felt belts 21, 21 a, 21 b not only moisture, but also in the paper tape 10 located impurities such as pulp fibers and other paper components, such as fillers, resins, ashes, printing ink pass, there is a need, the felt belts 21, 21a, 21b to allocate devices 4, 5 for their cleaning, the structure and operation of which is explained below.
  • FIG.2 such a device for cleaning a felt belt 21, 21a, 21b at least one injection device 4, 4a for introducing a cleaning liquid into the felt belt 21, 21a, 21b and in the direction of movement of the felt belt 21, 21a, 21b below at least one suction device 5
  • a first injection device 4 by which the felt belt 21, 21a, 21b is acted upon by a wide beam 41a
  • a second injection device 4a with which the felt belt 21, 21a, 21b is acted upon with a narrow beam 41a, represented.
  • the loading of the felt belt 21, 21a, 21b takes place in each case over the entire width of the felt belt 21, 21a, 21b.
  • the cleaning liquid consists of water, which is optionally provided with additives, such as solvents.
  • the suction device 5 has a housing 51 with a vacuum channel 52, in which a negative pressure of - 200 millibar to - 600 millibar is generated. At the top of the housing 51, an opening 53 is provided, which is enclosed by a frame 60 and which is closed by a suction plate 54 formed with suction channels 55, 56, 57. The felt belt 21, 21a, 21b is moved along the top of the suction plate 54.
  • the suction channels 56, 57 are associated with valve body 58, 59, through which these two suction channels 56, 57 are closed.
  • the operations of the spraying devices 4, 4a and the suction device 5 are as follows:
  • the felt belt 21, 21a, 21b is moved past the spraying devices 4, 4a and subsequently to the suction device 5.
  • a cleaning liquid is applied to the felt belt 21, 21a, 21b, which penetrates into the felt belt 21, 21a, 21b.
  • this cleaning liquid is sucked out of the felt belt 21, 21a, 21b, whereby foreign substances located in the felt belt 21, 21a, 21b are removed.
  • the area of the felt belt 21, 21a, 21b to which a suction force is applied by the suction means 5 must be increased in order to perform effective cleaning of the felt belt 21, 21a, 21b by means of the cleaning liquid.
  • the housing 51 of the suction device 5 is formed on its upper side with the frame 60 which surrounds the opening 53.
  • support strips 61, 62 are provided, which are fastened by means of bolts 63 on the frame 60.
  • the suction plate 54 and the support bars 61, 62 are formed with mutually associated grooves 54a and springs 61a, 62a.
  • the valve bodies 58, 59 are each formed by an inflatable tube, which is rectangular in cross-section and which is each formed with a laterally projecting tab 58 a, 59 a, which is located between the frame 60 and the strips 61, 62, whereby the tubes 58 , 59 are attached.
  • the inflatable tubes are made of a rubber or plastic material, e.g. of ethylene-propylene-diene rubber (EPDM) or of nitrile-butadiene rubber (NBR).
  • the vacuum channel 52 is acted upon by a vacuum pump with a vacuum, which is measured by a measuring device 64.
  • the output of the measuring device 64 is applied to a control unit 65.
  • the hoses 58, 59 are connected via lines 70, 71 either to a compressed air pump + P, whereby they are inflatable, or they are on a vacuum pump -P connectable, whereby they are vented.
  • two lines 70a, 70b are connected to the line 70 and are connected to the line 71, two lines 71a, 71b, wherein the lines 70a, 71a are connected to the compressed air pump and the lines 70b, 71b to the vacuum pump.
  • valves 72a, 72b and 73a, 73b which are controlled by the controller 65.
  • the valves 72a, 73a are opened, the hoses 58, 59 associated with the suction channels 56, 52 are subjected to compressed air. As a result, they are inflated, whereby the suction channels 56, 57 are closed. This is necessary if the permeability of the felt belt 21, 21a, 21b is still so great that to maintain the vacuum in the vacuum channel 52, only the suction channels 55 should be open, whereas the suction channels 56, 57 must be closed.
  • valve body are inflatable, wherein they are formed in particular by inflatable tubes, those suction channels, which are associated with these valve body, can be released at any time during operation of the plant for paper production, whereby the known prior Technology adhering to difficulties in the opening of other suction channels are avoided.
  • the suction plate 54 can be pulled out laterally, whereby the tubes 58, 59 can be mounted in a simple manner.
  • FIG.3 the two tubes 58, 59 are supplied with compressed air, whereby they are inflated.
  • the suction channels 56, 57 are closed. This is necessary when the felt belt 21, 21a, 21b does not or only slightly contains foreign substances, so that it is very permeable to the suction of the cleaning liquid.
  • FIG.4A, FIG.4B is a second, opposite the FIG.3, FIG.3A, FIG.3B modified embodiment shown.
  • the support strips 61, 62 are formed with extensions 61a, 62a, to which the tubes 58, 59 are fixed, for example by gluing.
  • FIG.5, FIG.5A, FIG.5B a third embodiment in the formation of acting as a valve body hoses explained.
  • the plates 81, 83 are located between the suction plate 54 and the support bars 61, 62 hinge-like elements 80, 82, each with two plates 81, 81a and 83, 83a, which are mounted on axle bolts 81b, 83b.
  • the plates 81, 83 are located between the suction plate 54 and the support bars 61, 62 and are thereby secured.
  • the plates 81a, 83a are pivotable relative to the plates 81, 83.
  • Between the plates 81a, 83a and the support strips 61, 62 are tubes 58a, 59a.
  • the suction channels located in the suction plate 55 may slots extending through the widths of the felt belts, through a plurality of slots which extend across the widths of the felt belts, or through a plurality or a plurality of openings, in particular holes, which over the widths of the Filzb selected are arranged to be formed.
  • Part of this Suction channels are associated with inflatable valve body, in particular in the form of hoses, by means of which individual suction channels can be opened.
  • the particular advantage of such a device is that it is possible due to the inflatable or ventable valve body, which are associated with the suction channels located in the suction plate to open the suction channels during operation of the system to pressurize enlarged surfaces of the felt belts to be able to. As a result, it is not necessary to provide a further suction device, which is switched on with increasing load on the felt belts with foreign substances.

Landscapes

  • Cleaning In General (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (13)

  1. Moyen d'aspiration (5) pour un dispositif de nettoyage d'une bande de feutre (21, 21a, 21b) dans une installation de fabrication d'une bande de papier, dans lequel dispositif le moyen d'aspiration sert à aspirer de la bande de feutre (21, 21a, 21b) un liquide de nettoyage qui est introduit dans la bande de feutre (21, 21a, 21b) par un moyen (4, 4a) disposé en amont du moyen d'aspiration (5) dans la direction du déplacement de la bande de feutre (21, 21a, 21b), lequel moyen d'aspiration (5) présente un canal à vide (52),
    le moyen d'aspiration (5) étant formé entre le canal à vide (52) et la bande de feutre (21, 21a, 21b) avec des canaux d'aspiration (55, 56, 57) par lesquels le liquide de nettoyage se trouvant dans la bande de feutre (21, 21a, 21b) est aspiré, caractérisé en ce que qu'au moins un corps de valve gonflable (58, 59) est associé à au moins un des canaux d'aspiration (56, 57), par lequel, à l'état gonflé, le canal d'aspiration (56, 57) est fermé et, à l'état désaéré, le canal d'aspiration (56, 57) est ouvert.
  2. Moyen d'aspiration selon la revendication 1, caractérisé en ce que le canal d'aspiration (56, 57) auquel est associé un corps de valve gonflable (58, 59) est réalisé sous la forme d'au moins une fente orientée transversalement à la direction de déplacement de la bande de feutre (21, 21a, 21b) et en ce que le corps de valve est réalisé sous la forme d'un tuyau gonflable (58, 59).
  3. Moyen d'aspiration selon la revendication 1, caractérisé en ce que des canaux d'aspiration sont formés par des ouvertures, en particulier des trous.
  4. Moyen d'aspiration selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins une plaque d'aspiration (54) qui s'étend transversalement à la direction de déplacement de la bande de feutre (21, 21a, 21b) et qui est réalisée avec les canaux d'aspiration (55, 56, 57) est fixée au moyen d'aspiration (5).
  5. Moyen d'aspiration selon la revendication 4, caractérisé en ce que ledit au moins un corps de valve, qui est en particulier réalisé sous la forme d'un tuyau (58, 59), est réalisé avec une barrette saillante (58a, 59a) au moyen de laquelle il est serré entre un boîtier (51) présentant le canal à vide (52) et la plaque d'aspiration (54).
  6. Moyen d'aspiration selon la revendication 4, caractérisé en ce qu'au moins une barrette de support (61, 62) est prévue entre le boîtier (51) du canal à vide (52) et la plaque d'aspiration (54) pour ledit au moins un corps de valve, lequel est en particulier réalisé sous la forme d'un tuyau (58, 59), à laquelle le corps de valve est fixé.
  7. Moyen d'aspiration selon la revendication 6, caractérisé en ce que le corps de valve est fixé à la barrette de support (61, 62) par collage.
  8. Moyen d'aspiration selon l'une des revendications 6 ou 7, caractérisé en ce qu'au moins une plaque de valve (81a, 83a), à laquelle est fixé le corps de valve, lequel est en particulier réalisé sous la forme d'un tuyau (58a, 59a), est montée sur la barrette de support (61, 62), laquelle plaque de valve (81a, 83a) est déplaçable par le corps de valve (58a, 59a) et peut être pivotée par le corps de valve gonflable (58a, 59a) dans la position qui ferme le canal d'aspiration (56, 57) associé.
  9. Moyen d'aspiration selon l'une des revendications 6 à 8, caractérisé en ce que la barrette de support (61, 62) est vissée avec le boîtier (51) du canal à vide (52) et en ce que la plaque d'aspiration (54) et les barrettes de support (61, 62) sont réalisées avec des rainures (54a) et des languettes (61a, 62a) associées les unes aux autres au moyen desquelles elles sont fixées ensemble.
  10. Moyen d'aspiration selon la revendication 9, caractérisé en ce que les rainures (54a) et les languettes (61a, 62a) sont orientées transversalement à la direction de déplacement de la bande de feutre (21, 21a, 21b), la plaque d'aspiration (54) étant mobile transversalement à la direction du déplacement de la bande de feutre (21, 21a, 21b).
  11. Installation de fabrication d'une bande de papier comportant une bande de feutre (21, 21a, 21b) et un dispositif de nettoyage de la bande de feutre (21, 21a, 21b), le dispositif présentant un moyen (4, 4a) pour introduire un liquide de nettoyage dans la bande de feutre (21, 21a, 21b) et au moins un moyen d'aspiration (5) placé en aval dans la direction du déplacement de la bande de feutre (21, 21a, 21b), caractérisée en ce que le moyen d'aspiration (5) est réalisé selon l'une des revendications 1 à 10.
  12. Installation selon la revendication 11, caractérisée en ce que la bande de feutre (21, 21a, 21b) présente une largeur mesurée transversalement à sa direction de déplacement et en ce que le canal d'aspiration (56, 57), auquel est associé un corps de valve gonflable (58, 59), s'étend sur la largeur de la bande de feutre (21, 21a, 21b).
  13. Installation selon la revendication 11, caractérisée en ce que le canal d'aspiration, auquel est associé un corps de valve gonflable, est formé par au moins deux fentes adjacentes orientées transversalement à la direction de déplacement de la bande de feutre.
EP17177409.4A 2016-07-07 2017-06-22 Dispositif d'aspiration pour un appareil de nettoyage d'un feutre dans une installation de fabrication d'une bande de papier Active EP3266932B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17177409T PL3266932T3 (pl) 2016-07-07 2017-06-22 Urządzenie ssące do urządzenia do czyszczenia taśmy filcowej w instalacji do wytwarzania taśmy papierowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA320/2016A AT518060B1 (de) 2016-07-07 2016-07-07 Vorrichtung zur Reinigung eines Filzbandes in einer Anlage zur Herstellung eines Papierbandes

Publications (2)

Publication Number Publication Date
EP3266932A1 EP3266932A1 (fr) 2018-01-10
EP3266932B1 true EP3266932B1 (fr) 2019-01-30

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EP17177409.4A Active EP3266932B1 (fr) 2016-07-07 2017-06-22 Dispositif d'aspiration pour un appareil de nettoyage d'un feutre dans une installation de fabrication d'une bande de papier

Country Status (12)

Country Link
US (1) US10780465B2 (fr)
EP (1) EP3266932B1 (fr)
JP (1) JP2018001154A (fr)
CN (1) CN107587371B (fr)
AT (1) AT518060B1 (fr)
BR (1) BR102017011372B1 (fr)
CA (1) CA2970087C (fr)
ES (1) ES2720811T3 (fr)
PL (1) PL3266932T3 (fr)
RU (1) RU2697169C2 (fr)
TR (1) TR201901978T4 (fr)
TW (1) TWI690373B (fr)

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AT520319B1 (de) * 2018-03-01 2019-03-15 Andritz Ag Maschf Verfahren und vorrichtung zum behandeln einer faserstoffbahn in einer langnip-presseinheit
CN109722937A (zh) * 2018-12-26 2019-05-07 广西粤桂广业控股股份有限公司 一种纸机干燥部真空除水系统
CN113042304B (zh) * 2021-03-19 2022-07-08 重庆富美包装印务有限公司 无溶剂复合机用传胶辊角度调节结构
CN114178227B (zh) * 2021-11-15 2023-03-28 上饶市舜达光电有限公司 一种用于光学镜片生产加工的清洗去杂装置

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BR102017011372B1 (pt) 2022-11-01
RU2697169C2 (ru) 2019-08-12
CN107587371A (zh) 2018-01-16
ES2720811T3 (es) 2019-07-24
TR201901978T4 (tr) 2019-03-21
US10780465B2 (en) 2020-09-22
TW201801811A (zh) 2018-01-16
CN107587371B (zh) 2020-12-22
RU2017119777A3 (fr) 2019-06-17
PL3266932T3 (pl) 2019-07-31
JP2018001154A (ja) 2018-01-11
RU2017119777A (ru) 2018-12-07
EP3266932A1 (fr) 2018-01-10
BR102017011372A2 (pt) 2018-01-23
AT518060A4 (de) 2017-07-15
US20180009008A1 (en) 2018-01-11
CA2970087A1 (fr) 2018-01-07
BR102017011372A8 (pt) 2022-07-26
TWI690373B (zh) 2020-04-11
AT518060B1 (de) 2017-07-15
CA2970087C (fr) 2021-12-21

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