EP1155834A2 - Dispositif pour enlever des charges électriques d'un matériau plan - Google Patents

Dispositif pour enlever des charges électriques d'un matériau plan Download PDF

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Publication number
EP1155834A2
EP1155834A2 EP01110025A EP01110025A EP1155834A2 EP 1155834 A2 EP1155834 A2 EP 1155834A2 EP 01110025 A EP01110025 A EP 01110025A EP 01110025 A EP01110025 A EP 01110025A EP 1155834 A2 EP1155834 A2 EP 1155834A2
Authority
EP
European Patent Office
Prior art keywords
metal plates
flow channel
openings
brush
carriers
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.)
Withdrawn
Application number
EP01110025A
Other languages
German (de)
English (en)
Other versions
EP1155834A3 (fr
Inventor
Helmut Dr. Domes
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1155834A2 publication Critical patent/EP1155834A2/fr
Publication of EP1155834A3 publication Critical patent/EP1155834A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5133—Removing electrostatic charge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00649—Electrodes close to the copy feeding path
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00654—Charging device

Definitions

  • the invention relates to a device for removing electrical charges from flat Material created by a flow channel made of grounded metal plates is transported, in particular by pressure carriers when passing through the transport tracks of printing or copying machines.
  • Print media such as sheets of paper, foils or the like Transport lanes of printing and copying machines are electrically charged. In order to prevent printed sheets of paper or foils from jamming together in the output tray must adhere to sufficient electrically conductive components of the transport track these electrical landings are removed.
  • the invention has for its object to provide a device with electrical charges from print media, electrophotographic copying machines or Go through printing presses, are reliably removable.
  • the Task solved to remove surface charges that are in opposite Polarity are located on the top and bottom of a print carrier, so-called Charge double layers.
  • the unloading devices consist of passive means and / or active ones Means that are transverse to the transport direction of the print medium over the entire width of the Extend flow channel.
  • Expedient are as active discharge devices with alternating high voltage Operated ionization bars provided, which are equally spaced along a straight line Line have ionizer tips that are aligned perpendicular to the flow channel.
  • passive discharge devices are formed from carbon fibers or stainless steel fibers Brushes provided.
  • the device according to the invention is designed so that the Flow channel for the metal plates forming the pressure carrier in the area of each Ionizer tip of an unloading device have an opening to the flow channel, such that when the ionizing rod is activated, the ions generated enter the flow channel or get to the print carrier.
  • the openings can be round, square or are rectangular.
  • the openings are elongated slots formed, which are formed between tongues machined from the metal plates.
  • the metal plates 12 and 13 are, for example from one (1) millimeter thick sheet steel, which is about three (3) millimeters high Limit flow channel 14.
  • Ionization bars 15 and 16 extend transversely to the transport direction of the print carrier 11 over the entire width of the flow channel 14 and have regular intervals of ten (10) millimeters lying on a straight line ionizer tips 17, the are aligned perpendicular to the flow channel 14.
  • each ionizer tip 17 is an opening 18 in the metal plates 12 and 13 provided that the ions generated the passage from the ionizer tip 17 to Enable flow channel 14 and thus to the print carrier 11.
  • Reality rectilinear flow channel 14 shown drawn off to one to obtain straight-line transport of the print carrier 11.
  • the ionizing bars 15 and 16 are arranged one after the other in the transport direction of the print carrier 11.
  • Print carrier 11 rests on the metal plate 13.
  • the free ionizing bar 15 positive charge sitting on the facing surface is removed by means of the ionizer tips 17 compensated. Due to the remaining negative charge on the bottom of the Print carrier 11 lies against the metal plate 12 with the discharged surface and the negative is compensated by the downstream ionizing bar 16.
  • FIG. 2 shows a less expensive variant, in which the Ionization bar 16 by a passive discharge device in the form of a brush 19 is replaced.
  • the current charge lies with electrical charge provided print carrier 11 on the metal plate 13 and its positive charge on the The upper side is compensated for by means of the ionizing bar 15. Then the Print carrier 11 with the discharged surface on the metal plate 12.
  • the lower metal plate 13 ends in front of the brush 19 in an edge 20. This causes the negative charge on the underside of the print carrier 14 in a on the edge 20th trained ionizer zone is largely removed. The remaining one, if any Residual charge is then diverted by means of the brush 19.
  • the formation and arrangement of the openings 18 in the metal plates 12 and 13 can be met in different ways. It is important that the greatest possible distance between the ionizer tips 17 and the edge of the openings formed by the There is a metal plate on which the ionization bars 15 and 16 are seated in a conductive manner.
  • the openings 18 are formed as round openings 18 'and are in the Metal plates 12 and 13 are arranged flush opposite one another.
  • the openings are also designed as round openings 18 '. They are however, by the distance a / 2 of the distance between two ionizer tips 17 or two Adjacent openings offset transversely to the transport direction of a print medium arranged.
  • openings 5 shows a variant of the formation of the openings.
  • the openings are at the end of the metal plates 12 and 13 as slot openings 18 "between tongues 1 educated.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Elimination Of Static Electricity (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP01110025A 2000-05-17 2001-04-26 Dispositif pour enlever des charges électriques d'un matériau plan Withdrawn EP1155834A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10023939A DE10023939A1 (de) 2000-05-17 2000-05-17 Vorrichtung zum Entfernen elektrischer Ladungen von flachem Material
DE10023939 2000-05-17

Publications (2)

Publication Number Publication Date
EP1155834A2 true EP1155834A2 (fr) 2001-11-21
EP1155834A3 EP1155834A3 (fr) 2002-12-18

Family

ID=7642238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110025A Withdrawn EP1155834A3 (fr) 2000-05-17 2001-04-26 Dispositif pour enlever des charges électriques d'un matériau plan

Country Status (3)

Country Link
US (1) US20040074410A1 (fr)
EP (1) EP1155834A3 (fr)
DE (1) DE10023939A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7478807B2 (en) 2005-09-21 2009-01-20 Heidelberger Druckmaschinen Ag Method for conveying a sheet and apparatus for carrying out the method
EP1802178A3 (fr) * 2005-12-21 2010-12-29 Eltex-Elektrostatik GmbH Appareil de décharge sans contact d'électricité statique d'un matériau à deux couches
EP2479550A3 (fr) * 2011-01-21 2013-01-23 Wallac Oy Procédé et dispositif de découpe d'une ou plusieurs régions d'échantillons provenant d'un porte-échantillons
WO2021004696A1 (fr) 2019-07-09 2021-01-14 Koenig & Bauer Ag Machine de traitement de feuilles comprenant un dispositif d'inversion, procédé de transport de feuilles et utilisation d'éléments de guidage de feuilles contenant des dispositifs de désionisation
US20220355312A1 (en) * 2019-10-04 2022-11-10 Renluftsteknik i Göteborg AB Method for producing an ionization rod, and ionization rod produced according to the method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2163141A1 (fr) * 2007-06-22 2010-03-17 3M Innovative Properties Company Appareil et procédés pour la modification de charge électrostatique sur une bande en défilement
EP2114111A1 (fr) 2008-04-30 2009-11-04 NV Bekaert SA Brosse à décharge électrostatique amorphe
FI20115057L (fi) 2011-01-21 2012-07-22 Wallac Oy Menetelmä ja laite yhden tai useamman näytealueen leikkaamiseksi näytteen kantajasta
DE102014113899A1 (de) * 2014-09-25 2016-03-31 Von Ardenne Gmbh Verfahren und Vorrichtung zur homogenen Beschichtung dielektrischer Substrate
JP2024107672A (ja) * 2023-01-30 2024-08-09 キヤノン株式会社 除電装置及び画像形成システム
DE102023125606A1 (de) * 2023-09-21 2025-03-27 Koenig & Bauer Ag Bogendruckmaschine mit zwei Entladungseinrichtungen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE255353C (fr) *
DE174292C (fr) * 1905-05-15
DE187911C (de) * 1907-03-27 1907-06-24 William Henry Chapman Vorrichtung zur Neutralisierung der statischen Elektrizität bei der Fabrikation von Papier Garnen und ähnlichen Stoffen
DE685785C (de) * 1938-07-14 1939-12-23 Koenig & Bauer Schnellpressfab Vorrichtung zum Entelektrisieren laufender Papierbahnen in Rotationstiefdruckmaschinen mittels geerdeter Metallkaemme o. dgl.
US2483542A (en) * 1945-10-24 1949-10-04 Goss Printing Press Co Ltd Static eliminator for printing presses
FR1382780A (fr) * 1960-11-22 1964-12-18 Simco Co Inc éliminateur statique étanche aux poussières et son procédé d'assemblage
DE3230667A1 (de) * 1982-08-18 1984-02-23 Haug GmbH & Co. KG, 7022 Leinfelden-Echterdingen Passiver ionisator
US4494166A (en) * 1982-09-21 1985-01-15 Xerox Corporation Printing machine with static elimination system
DE3326976A1 (de) * 1983-07-27 1985-02-07 Haug GmbH & Co. KG, 7022 Leinfelden-Echterdingen Vorrichtung zum entelektrisieren von gegenstaenden
JP2501867B2 (ja) * 1988-04-28 1996-05-29 富士写真フイルム株式会社 ウエブの除電ロ―ラ
DE4224698C2 (de) * 1992-07-25 1995-08-24 Kodak Ag Verfahren und Anordnung zur Messung und kontrollierten Neutralisierung von Oberflächenladungen auf Gegenständen
JPH06258881A (ja) * 1993-03-05 1994-09-16 Fuji Xerox Co Ltd 画像形成装置
DE69506251T2 (de) * 1995-09-25 1999-04-22 Kasuga Denki, Inc., Tokio/Tokyo Verfahren und Vorrichtung für Ladungsabfuhr und Entstaubung
DE19536248C2 (de) * 1995-09-28 1997-07-31 Oce Printing Systems Gmbh Vorrichtung zur passiven Entladung statisch aufgeladener Aufzeichnungsträger in Druckereinrichtungen
US6047151A (en) * 1998-05-06 2000-04-04 Imation Corp. Drying system and method for an electrophotographic imaging system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7478807B2 (en) 2005-09-21 2009-01-20 Heidelberger Druckmaschinen Ag Method for conveying a sheet and apparatus for carrying out the method
EP1802178A3 (fr) * 2005-12-21 2010-12-29 Eltex-Elektrostatik GmbH Appareil de décharge sans contact d'électricité statique d'un matériau à deux couches
EP2479550A3 (fr) * 2011-01-21 2013-01-23 Wallac Oy Procédé et dispositif de découpe d'une ou plusieurs régions d'échantillons provenant d'un porte-échantillons
US8567267B2 (en) 2011-01-21 2013-10-29 Wallac Oy Method and device for cutting off one or more sample regions from a sample carrier
WO2021004696A1 (fr) 2019-07-09 2021-01-14 Koenig & Bauer Ag Machine de traitement de feuilles comprenant un dispositif d'inversion, procédé de transport de feuilles et utilisation d'éléments de guidage de feuilles contenant des dispositifs de désionisation
US11498790B2 (en) 2019-07-09 2022-11-15 Koenig & Bauer Ag Sheet-processing machine comprising a turning device, method for conveying sheets, and use of sheet guide elements containing deionization devices
EP4209350A1 (fr) 2019-07-09 2023-07-12 Koenig & Bauer AG Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles et procédé de transport de feuilles
EP4209351A1 (fr) 2019-07-09 2023-07-12 Koenig & Bauer AG Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
EP4209352A1 (fr) 2019-07-09 2023-07-12 Koenig & Bauer AG Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
EP4209349A1 (fr) 2019-07-09 2023-07-12 Koenig & Bauer AG Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
US20220355312A1 (en) * 2019-10-04 2022-11-10 Renluftsteknik i Göteborg AB Method for producing an ionization rod, and ionization rod produced according to the method
US12220708B2 (en) * 2019-10-04 2025-02-11 Renluftsteknik i Göteborg AB Method for producing an ionization rod, and ionization rod produced according to the method

Also Published As

Publication number Publication date
DE10023939A1 (de) 2001-11-22
EP1155834A3 (fr) 2002-12-18
US20040074410A1 (en) 2004-04-22

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