EP1588967A2 - Table de transport - Google Patents

Table de transport Download PDF

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Publication number
EP1588967A2
EP1588967A2 EP05007702A EP05007702A EP1588967A2 EP 1588967 A2 EP1588967 A2 EP 1588967A2 EP 05007702 A EP05007702 A EP 05007702A EP 05007702 A EP05007702 A EP 05007702A EP 1588967 A2 EP1588967 A2 EP 1588967A2
Authority
EP
European Patent Office
Prior art keywords
air
sheet
ventilation openings
conveyor table
conveyor
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.)
Granted
Application number
EP05007702A
Other languages
German (de)
English (en)
Other versions
EP1588967A3 (fr
EP1588967B1 (fr
Inventor
Harald Bayer
Georg Herzan
Frank Seidel
Bernd Ullrich
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.)
Manroland AG
Original Assignee
Manroland AG
MAN Roland Druckmaschinen 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
Priority claimed from DE200420006615 external-priority patent/DE202004006615U1/de
Application filed by Manroland AG, MAN Roland Druckmaschinen AG filed Critical Manroland AG
Publication of EP1588967A2 publication Critical patent/EP1588967A2/fr
Publication of EP1588967A3 publication Critical patent/EP1588967A3/fr
Application granted granted Critical
Publication of EP1588967B1 publication Critical patent/EP1588967B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H11/00Feed tables
    • B65H11/002Feed tables incorporating transport belts
    • B65H11/005Suction belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/22Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/228Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by air-blast devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00Means using fluid
    • B65H2406/10Means using fluid made only for exhausting gaseous medium
    • B65H2406/11Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/113Details of the part distributing the air cushion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00Means using fluid
    • B65H2406/30Suction means
    • B65H2406/32Suction belts
    • B65H2406/321Suction belts integral in feed table

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • the sheets are first separated from the top of a sheet stack in a sheet feeder and offset from one another output as a sheet current. Furthermore, as a rule, after the separation of a sheet, its transport is required over a certain distance up to a contact area of the sheet-processing machine. Usually, the sheets of increased throughput are transported because of in a scale flow to the sheet processing machine. But it is also possible a single sheet feed.
  • belt tables are in use, which allow a stream of sheets that are underschuppt against each other, or even sheets safely. Particularly advantageous in this case are so-called suction belt tables.
  • Suction tapes are below the bow leading top of at least one box-shaped cavity, are guided over the conveyor belts in the form of suction belts.
  • Suction belts are usually in the form of apertured flat belts.
  • the suction belts are driven by at least one shaft arranged at one end of the suction belt, a first so-called belt roller, deflected by a second shaft or belt roller at the other end of the suction belt table and kept in a straight position by a tensioning device ,
  • a suction air supply is arranged for holding the sheet to the suction belts on the underside of the suction belt, by means of which the cavity is acted upon in the suction belt table.
  • This suction air supply can be designed as a simple fan or as a blower connection.
  • a so-called investment table is provided, are arranged on the front or top marks for aligning the sheet leading edge in the transport direction and a so-called side mark for lateral alignment of the sheet.
  • additional conveyor belts also called support belts, are designed as simple flat belts and are not subjected to suction.
  • the additional conveyor belts or support belts usually run around with the surface above the table surface around the belt table and thus facilitate the transport of the sheet in the outside of the suction belts resting on the belt table area.
  • the suction belt tables known in this way have various disadvantages. Because the laterally arranged additional conveyor belts depending on the sheet format in the Area of the edge of the sheet to be conveyed, it can be normal Sheet transport to disruptions. Therefore, a complicated lateral adjustment The conveyor belts will be required to remove these from the area of To remove sheet edges. This is especially important if the used for the page orientation of the sheet bow edge in the area of Transport belts comes to rest. There is a great danger that the bow edge hang in the direction of the page orientation on one of the conveyor belts remains and the arch warps during the shift. A proper orientation before feeding the sheet to the sheet processing machine is then not possible anymore. In addition, the auxiliary belts tend to sensitive sheets to scratch her bottom.
  • DE 44 13 089 C2 discloses a method and an apparatus for underschuppten supplying sheet-shaped substrates to a printing press known.
  • a conveyor table is described, the exhaust openings in the Has area between and next to the suction belts. This is supposed to be an airflow be generated against the conveying direction of the conveyor table to an adhesion or electrostatic charge of the underside led over the conveyor table Bow to reduce the surface of the conveyor table.
  • a disadvantage of the device is that the exhaust ports only punctually or linear in the front, the printing press facing area of the conveyor table are arranged.
  • the outflowing Air is directed against the conveying direction of the conveyor table, since so the Leading edge of each arc is subjected to an air flow. This airflow acts particularly strong at the exit point. Therefore, the bow tend to be in this case to flutter because the blast air enters between the leading edges of the sheets.
  • the aim of the invention is therefore to improve the belt table so that the sheet transport can be designed easily in a safe way, in large formats No delivery resistances occur and the bends are not affected by the delivery process to be damaged.
  • the object of the invention is to further develop a generic belt table such that the sheet transport in every operating position, especially at the application of very large sheet sizes safely designed and easily readjusted can be at the same time eliminates the risk of scratching the bow shall be.
  • the conveyor table is at least in its lateral guide areas with a pneumatic Equipped for the production of a thin air cushion. These are Blas Kunststoffersen and areal distributed blow holes in the Guided areas provided.
  • the solution to this problem is particularly advantageous in that the bowing without the use of lateral support bands and very simple Fashion is designed and readjusted. Besides, the bows will be so in a lot advantageously guided over the side table area without a risk Scratching on sensitive sheet surfaces. This is especially true for example, in film materials.
  • blow-suction nozzles be used. These are with blowing air under higher pressure but at one supply lower volume flow.
  • Excess air from the air cushion can be processed at the front of the bow Machine facing end of the conveyor table via special openings in the table surface can be removed from all leading areas. At the same time this can via aeration devices parallel to any suction belts used within the surface of the conveyor table done. A vent can also be active by suction respectively.
  • FIG. 1 shows a conveyor table or suction belt table 1.
  • the conveyor table or suction belt table 1 has a box-shaped cavity 7, not visible here (see FIG. 2). About this cavity 7, one or more conveyor belts are guided in the form of apertured suction belts 2.
  • the suction belts 2 are mounted on the two arranged in the transport direction and not shown here band rolls 4.1, 4.2 and driven. Furthermore, 2 arrangements of tension rollers 4.3 may be provided in the path of the suction belts.
  • the cavity 7 in the conveyor table or suction belt table 1 is directly connected to a fan 3 (see Fig. 2) or by means of a vacuum hose with a fan and is vented from this.
  • Ventilation belts 2 Air is drawn through the suction belts 2 and their openings and each resting on the conveyor table or suction belt table 1 sheet B is held there firmly and moved in the stroke of the suction belts 2 forward.
  • Parallel to the suction belts 2 1 ventilation means may be provided in the conveyor table or suction belt table. These essentially serve to prevent suction air effects emanating from the suction belts 2 into the guide areas of the conveyor table or suction belt table 1 in addition to the suction belts 2.
  • a guide region 5 is provided in each case in the outer region of the conveyor table or suction belt table 1.
  • the guide areas 5 are made of low-friction material with possibly structured surface.
  • the guide areas 5 serve to better guide the area of the sheet B overhanging outside the suction belts 2 on the conveyor table or suction belt table 1 - which grinds on the conveyor table or suction belt table 1. This is especially important for very large sheet sizes. Furthermore, there is also a guide area between the suction belts 2, on which the sheets B are ground.
  • the sheet B in front of the conveyor table or suction belt table. 1 is usually a sheet feeder (not shown here) arranged in which the Bow B can be singled from the top of a pile of sheets.
  • the bows B are then fed to the conveyor table or suction belt table 1 via a guide plate 11.
  • laxative side may be a sheet processing machine, e.g. a printing press, with a feed table 12 Connect to the conveyor table or suction belt table 1 as shown here.
  • a side mark 13 indicated.
  • the page mark 13 leads the bow B with its side edge against a stop to the side Set position before the supply of the sheet B for sheet-processing machine.
  • Another page mark 13 can also be on the opposite side the investment table 12 may be arranged.
  • the Bogen B In the sheet transport over the conveyor table or suction belt table 1 but also in a Thisausrichtschi in the direction of the arrow in the direction of the side mark 13 is the Bogen B so over a relatively large contact surface on the conveyor table or Suction belt table 1 to be moved.
  • ventilation openings 6 are provided in the conveyor table or suction belt table 1 in the guide areas 5 substantially over the entire area of the guide areas 5.
  • These ventilation openings 6 can be designed as circular openings or as nozzle-shaped openings.
  • they can be adjustable in their effective direction in the plane of the surface of the conveyor table or suction belt table 1 or relative to its surface.
  • the blowing direction is essentially aligned in the transport direction T, but can also be oriented transversely thereto.
  • the nozzles can also be designed as so-called blow-suction nozzles.
  • it can be provided that even in a central guide region 5.1 between the suction belts 2 distributed ventilation openings 6 or nozzles are arranged.
  • FIG 2 the structure of the conveyor table or Saugb.ticians 1 is now shown in longitudinal section.
  • the ventilation openings 6 are shown only in the sectional view of Figure 3.
  • the supply of the ventilation openings 6 with blown air is carried out according to Figure 3, preferably in groups, but it can also be provided individually.
  • individual or combined blast air feeds 8 and / or air chambers 9 are arranged on the underside of the conveyor table or suction belt table 1, but in the region of the guide areas 5.
  • the air chambers 9 are then assigned again single or combined Blas Kunststoffzu entryen 8.
  • the air chambers 9 can also be designed as part of the table surface of the conveyor table or suction belt table 1.
  • the air chambers 9 are arranged laterally of the cavity 7 for supplying the suction belts 2 with air. In the case of integration, the cavity 7 could extend over the entire table surface and the air chambers 9 can be separated from the cavity 7.
  • the air chambers 9 is associated with a common system of air ducts 8. Dashed line is the position of the fan 3 to supply the suction belts 2 with Suction air is shown through the cavity 7.
  • the blast air supply 8 may be in any shape for each row be summarized.
  • the Blas Kunststoffzu arrangement 8 to the rows of ventilation openings 6 are switched on or off.
  • the arrangement and grouping of the air supply facilities may be for in middle guide area 5.1 between the suction belts 2 can in the same way as previously described, done.
  • FIG. 3 shows a section from the conveyor table or suction belt table 1 according to FIG. 2 shown. Shown is the table surface in the area of the guide area 5. In This guide area 5, the ventilation openings 6 are provided. To the conveyor table or suction belt table 1 is in the area of the ventilation openings 6 an air chamber 9 connected. This is parallel to the cavity 7 at the bottom of the conveyor table or suction belt table 1. To the air chamber 9 is a Blasluftzu operation 8 connected. The Blas Kunststoffzu operation 8 contains a switchable Valve 15 for switching on or off the blown air supply.
  • the direction of the exiting the ventilation holes 6 blowing air can for Promotion of the bow B can be used in the transport direction T. Furthermore, at Alignment of the blowing direction of the ventilation openings 6 toward each other opposite lateral edges of the conveyor table or Saugb forticians 1 or at an angle between 0 and 90 degrees to the direction of the outer edges the conveyor table or Saugb skilledticians 1 a tightening effect on the sheets B can be achieved.
  • the nozzles can for this purpose in their effective direction be executed individually or in groups adjustable.
  • the nozzles can also in their discharge angle made adjustable to the level of the conveyor table or suction belt table 1 be. For example, for heavy materials or materials with a relatively rough surface a steeper Ausblaswinkel be selected for the nozzles.
  • the conveyor table or Saugb selected loved 1 is shown from below.
  • the cavity ventilating fan 3 is arranged centrally.
  • the band rollers 4.1 and 4.2 for guiding the suction belts 2 are shown.
  • groups of air chambers 9, 10 are arranged laterally of the fan 3.
  • air chambers 9 are arranged in two rows parallel to the transport direction T. These air chambers 9 each hold small partial surfaces of the guide regions 5 for air supply together. The size of these air chambers 9 can be varied, for example, in the transport direction T.
  • the air chambers 9 are provided with each other with a Blas Kunststoffzu arrangement 8.
  • the one Blas Kunststoffzu arrangement 8 additionally has remotely controllable valves 15 (flaps) in order to limit the air supply volume or local or to be able to switch on or off.
  • air chambers 10 are arranged in a row parallel to the transport direction T. These air chambers 10 each hold larger partial surfaces of the guide regions 5 than the air chambers 9 for air supply together. The size of the air chambers 10 has been varied in the transport direction T.
  • the air chambers 10 are also provided with each other with a Blasluftzu entry 8.
  • the one Blasluftzu entry 8 additionally has remotely controllable valves 15 (flaps) to limit the air supply quantity or local or to be able to switch off or on.
  • valves 15 By means of the valves 15 so the air supply is controlled by an air chamber 9, 10 to the next possible. In addition, it may be possible, for example, to supply the foremost air chamber 9, 10 with increased air pressure. Depending on the arrangement of the valves 15 and their controllability various operating modes are possible.
  • one or more arrangements of relief bores 14 can be provided in the region of the outlet-side end of the conveyor table or suction belt table 1 near the transition to the feed table 12 following the guide areas 5 and 5.1.
  • These relief holes 14 are preferably connected below the conveyor table or suction belt table 1 with the environment and depressurized. By means of the relief bores 14, excess carrying air can escape from the region below the foremost sheet B to be aligned. This ensures that the sheet B safely reaches all the required alignment elements in the feed table 12.
  • the guide areas 5 and 5.1 are vented in a simple manner along the suction belts 2, if the suction belts 2 ventilation devices are assigned to eliminate creeping suction, as described above.
  • the arrangement of the relief holes 14 also with an air discharge be provided to the still existing air cushion from the Actively remove area under the arch B
  • the active air removal can be controlled be and be turned on and off in the bow clock.
  • control of the air supply to the conveyor table or suction belt table 1 can be designed so that the blast air is switched off in the guide areas 5 and 5.1 during transport of the last to be processed sheet B sequentially from the inlet end to the downstream end. This avoids that the no longer fully lying under sheet B are lifted off the conveyor table or suction belt table 1 and are conveyed inaccurate.
  • 8 different controllable valves 15 are arranged in the Blas Kunststoffzu entryen in Fig. 4.
  • valves 15 are opened or closed. This ensures that in the surface parts of the guide area 5, the is covered by bow B, still blowing air is blown. On the other hand, in the free or just released area the supply of blown air interrupted, so that individual sheets B are not excited to flutter.
  • the blown air to the exposed ends of the sheets B i. at the beginning of the arc of the first sheet B or be strengthened at the bow end of the last bow B, so as the tightening effect of the on the bow B to increase temporarily.
  • the last nozzles can also be designed as so-called blow-suction nozzles.
  • blow-suction nozzles is due the special contour by the outflowing air in addition to the air cushion in addition achieved a suction effect, which limits the area of the blow-suction nozzle acts.
  • nozzles in other surface parts or all Nozzles in the guide areas 5 and 5.1 be designed as a blow-suction nozzles.
  • Blow-suction-nozzle are operated with higher air pressure at lower volume flow. Therefore, the air supply for the blow-suction nozzles can be separated from others Ventilation openings 6 take place. This can be done as described in a simple way done by a group arrangement.
EP05007702A 2004-04-23 2005-04-08 Table de transport Active EP1588967B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200420006615 DE202004006615U1 (de) 2004-04-23 2004-04-23 Fördertisch
DE202004006615U 2004-04-23
DE102004022694 2004-05-05
DE102004022694 2004-05-05

Publications (3)

Publication Number Publication Date
EP1588967A2 true EP1588967A2 (fr) 2005-10-26
EP1588967A3 EP1588967A3 (fr) 2008-09-10
EP1588967B1 EP1588967B1 (fr) 2010-02-24

Family

ID=34934889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007702A Active EP1588967B1 (fr) 2004-04-23 2005-04-08 Table de transport

Country Status (4)

Country Link
EP (1) EP1588967B1 (fr)
JP (1) JP4772370B2 (fr)
AT (1) ATE458684T1 (fr)
DE (1) DE502005009062D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1739039A2 (fr) * 2005-06-28 2007-01-03 Heidelberger Druckmaschinen Aktiengesellschaft Méthode et dispositif pour le transport de feuilles vers une machine d'impression
ITMI20130731A1 (it) * 2013-05-06 2014-11-07 Meccanotecnica Spa Alimentatore di fogli piani con cuscino d'aria
WO2016174224A1 (fr) * 2015-04-30 2016-11-03 Koenig & Bauer Ag Dispositif de transport permettant le transport séquentiel de substrats individuels en forme de feuille au moyen d'une bande aspirante
CN107444938A (zh) * 2017-09-01 2017-12-08 南京工业职业技术学院 一种相控气动送料工作台
DE102019118647B3 (de) 2019-07-10 2020-06-10 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln
WO2021239416A1 (fr) 2020-05-29 2021-12-02 Koenig & Bauer Ag Chaîne de production pour usiner des feuilles métalliques
EP3974360A1 (fr) 2020-09-29 2022-03-30 Koenig & Bauer AG Ligne de production pourvue de plusieurs unités machines et son procédé de fonctionnement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107567385B (zh) * 2015-04-30 2020-12-01 柯尼格及包尔公开股份有限公司 用于依次加工单张纸状基材的方法和机器结构
EP3190072A1 (fr) * 2016-01-11 2017-07-12 Hunkeler AG Unite de separateur pour blocs de livres

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2054924A1 (de) * 1969-11-21 1971-06-24 O R M A G Sr L Novegro Di Segr Pneumatische Vorrichtung fur Druckmaschinen zur Neutrahsierung des elektrostatischen Effekts der zum Druck bestimmten Bogen
DE9004967U1 (fr) * 1990-04-26 1990-06-28 Koenig & Bauer Ag, 8700 Wuerzburg, De
EP0453790A1 (fr) * 1990-04-24 1991-10-30 MAN Roland Druckmaschinen AG Dispositif pour convoyer des feuilles
DE4413089A1 (de) * 1994-04-15 1995-10-19 Roland Man Druckmasch Verfahren und Vorrichtung zum unterschuppten Zuführen von bogenförmigen Bedruckstoffen an eine Druckmaschine
DE202004006615U1 (de) * 2004-04-23 2004-08-05 Man Roland Druckmaschinen Ag Fördertisch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04211943A (ja) * 1990-07-13 1992-08-03 Sumitomo Heavy Ind Ltd 枚葉印刷機用排紙装置
JPH06239497A (ja) * 1993-02-15 1994-08-30 Matsushita Electric Works Ltd シート材の位置決め装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2054924A1 (de) * 1969-11-21 1971-06-24 O R M A G Sr L Novegro Di Segr Pneumatische Vorrichtung fur Druckmaschinen zur Neutrahsierung des elektrostatischen Effekts der zum Druck bestimmten Bogen
EP0453790A1 (fr) * 1990-04-24 1991-10-30 MAN Roland Druckmaschinen AG Dispositif pour convoyer des feuilles
DE9004967U1 (fr) * 1990-04-26 1990-06-28 Koenig & Bauer Ag, 8700 Wuerzburg, De
DE4413089A1 (de) * 1994-04-15 1995-10-19 Roland Man Druckmasch Verfahren und Vorrichtung zum unterschuppten Zuführen von bogenförmigen Bedruckstoffen an eine Druckmaschine
DE202004006615U1 (de) * 2004-04-23 2004-08-05 Man Roland Druckmaschinen Ag Fördertisch

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1739039A2 (fr) * 2005-06-28 2007-01-03 Heidelberger Druckmaschinen Aktiengesellschaft Méthode et dispositif pour le transport de feuilles vers une machine d'impression
EP1739039A3 (fr) * 2005-06-28 2009-04-15 Heidelberger Druckmaschinen Aktiengesellschaft Méthode et dispositif pour le transport de feuilles vers une machine d'impression
ITMI20130731A1 (it) * 2013-05-06 2014-11-07 Meccanotecnica Spa Alimentatore di fogli piani con cuscino d'aria
WO2016174224A1 (fr) * 2015-04-30 2016-11-03 Koenig & Bauer Ag Dispositif de transport permettant le transport séquentiel de substrats individuels en forme de feuille au moyen d'une bande aspirante
CN107444938A (zh) * 2017-09-01 2017-12-08 南京工业职业技术学院 一种相控气动送料工作台
DE102019118647B3 (de) 2019-07-10 2020-06-10 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln
WO2021239416A1 (fr) 2020-05-29 2021-12-02 Koenig & Bauer Ag Chaîne de production pour usiner des feuilles métalliques
DE102020114531A1 (de) 2020-05-29 2021-12-02 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln
EP3974360A1 (fr) 2020-09-29 2022-03-30 Koenig & Bauer AG Ligne de production pourvue de plusieurs unités machines et son procédé de fonctionnement
DE102020125412A1 (de) 2020-09-29 2022-03-31 Koenig & Bauer Ag Vorrichtung zum Transport von jeweils bis an ihre auf ihre Transportrichtung bezogene Vorderkante und/oder Hinterkante lackierten Blechtafeln

Also Published As

Publication number Publication date
JP4772370B2 (ja) 2011-09-14
DE502005009062D1 (de) 2010-04-08
JP2005306611A (ja) 2005-11-04
EP1588967A3 (fr) 2008-09-10
ATE458684T1 (de) 2010-03-15
EP1588967B1 (fr) 2010-02-24

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