EP0847855A1 - Dispositif de séchage dans une machine d'impression - Google Patents

Dispositif de séchage dans une machine d'impression Download PDF

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Publication number
EP0847855A1
EP0847855A1 EP97121279A EP97121279A EP0847855A1 EP 0847855 A1 EP0847855 A1 EP 0847855A1 EP 97121279 A EP97121279 A EP 97121279A EP 97121279 A EP97121279 A EP 97121279A EP 0847855 A1 EP0847855 A1 EP 0847855A1
Authority
EP
European Patent Office
Prior art keywords
dryer unit
guide surface
dryer
printing material
unit according
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
EP97121279A
Other languages
German (de)
English (en)
Other versions
EP0847855B1 (fr
Inventor
Rudolf Dipl.-Ing. Mitze
Wolfgang Mohr
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
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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0847855A1 publication Critical patent/EP0847855A1/fr
Application granted granted Critical
Publication of EP0847855B1 publication Critical patent/EP0847855B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/003—Handling, e.g. loading or unloading arrangements for articles
    • F26B25/004—Handling, e.g. loading or unloading arrangements for articles in the shape of discrete sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations
    • B41F23/0443—Drying sheets, e.g. between two printing stations after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0483—Drying combined with cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a pile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
    • 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
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • B65H2406/121—Fan
    • 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
    • B65H2406/36—Means for producing, distributing or controlling suction
    • B65H2406/365—Means for producing, distributing or controlling suction selectively blowing or sucking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a dryer unit in a printing press according to the Preamble of the main claim.
  • a dryer device of this type is known from EP 0 035 741 B1.
  • a thermoplastic film printing material is considered
  • Substrate control system a sliding table with a cooling surface of the dryer arranged opposite, the cooling surface of the unprinted side of the Printing material is facing. The dryer air is directed towards the cooling surface blown.
  • the substrate control system has, among other things, coolant channels, which are connected to a cooling system with heat exchanger and circulation pump.
  • a delivery arm in a sheet-fed printing press is known, the one arranged in a modular design within the chain conveyor system Has dryer devices. Below the sheet conveyor path are the dryer facilities Pneumatically actuated substrate control systems opposite arranged.
  • the dryer unit is among others with a cooling device with heat exchanger, flow switch, Expansion tank and circulation pump designed. From the circulation pump leads a coolant line to an arc baffle through which the coolant flows becomes.
  • the coolant outlet of the sheet guide plate can be connected by means of a connecting line be coupled with the opposite dryer unit so that this is also flowed through by a coolant.
  • a sheet guiding device is known from DE 43 08 276 A1, which among other things.
  • a dryer unit in use a dryer unit has a cooling device that cools the sheet guide surface.
  • the sheet guide surface has a large number of openings through which blown air can flow on.
  • the cooling device is a cooling trough with one Tray bottom and a lid, the lid of the sheet baffle represents.
  • a disadvantage of these designs is that the dryer units always Substrate control system are arranged opposite one another and thus the substrate only dried from one side (front). As a result, this leads to Impairments in the drying process, which e.g. by dropping Color / varnish in the case of insufficiently dried substrates in the delivery stack shows.
  • DE 38 28 753 C2 discloses a drying device for printed products, the one for energy transmission is an optical fiber cable and a linear one fanned out beam splitter device. In the sheet delivery is Drying device arranged on both sides, so that the front and back be dried. A combination with a control system is not disclosed.
  • the invention has for its object to provide a dryer unit that avoids the disadvantages mentioned, in particular the discarding of paint in the delivery stack for printing materials processed in face or face and back printing noticeably reduced.
  • a dryer unit is in the substrate control system as a module integrated.
  • the dryer unit has a separate air cooling device.
  • a cooling device is also provided for the substrate control system.
  • the invention Dryer unit is especially for an arrangement below the Substrate conveyor level suitable, so that the back of the substrate is dried and carried.
  • Printing machine is optionally one of the front of the substrate known dryer unit assignable. The assignment of the dryer unit for the front of the substrate can be directly opposite and / or upstream or downstream of the dryer unit in the conveying direction of the printing material with the sheet guide system.
  • the dryer unit according to the invention is used in particular to heat the back of the printing material.
  • the dryer unit with the substrate control system can also be assigned to the front of the substrate in order to heat and guide the front at the same time.
  • two substrate control systems, each with a dryer unit can thus be arranged opposite each other and thus realize drying and guiding of the substrate on both sides.
  • uniform heat input is achieved on the front and back of the substrate and the drying result is noticeably improved.
  • the smearing (depositing) of printing materials when they are output from the printing press is noticeably reduced.
  • the smearing in the delivery stack is largely eliminated by the heat input on both sides.
  • the heat input on both sides has the advantage that, in particular in the case of arcuate ones Substrates between the individual sheets do not promote lubrication Cold or heat bridges are created.
  • This working principle is suitable for on both sides (face and reverse printing) as well as for one-sided (face printing) Substrates.
  • Paper, cardboard, foils (plastic or metal) or sheets can be used.
  • This mode of operation is suitable for substrates, which are printed in multiple colors and / or painted in one or more colors are.
  • Sheet-like or sheet-shaped substrates can also be dried. This is especially the oxidative drying of the printed / varnished printing material as well as knocking away the paint / varnish or curing which improves UV inks and / or varnishes.
  • drying times are also shortened, which increases the productivity of the Printing machine contributes.
  • the heat input on both sides does not lead to an increased Energy requirement, rather, it allows dryers for the one-sided Switch off heat input or generally save.
  • the saving on dryer units leads to a shortening of the drying distance.
  • An offset printing machine has printing units for multi-color printing with under another a turning unit and two downstream coating units.
  • a pressure cylinder 1 is shown as part of the second coating unit.
  • the gripper systems 4 are used to transport the printing materials 5 from Printing cylinder 1 to the boom stack 8.
  • the substrates 5 are on a dryer unit 18 with a pneumatically actuated substrate control system 9 and an oppositely arranged dryer unit 10 in the conveying direction 12 using a braking device 6 and a blowing device 7 placed on the boom stack 8.
  • the boom exposes the air from the Extraction device 11 which leads away from the printing press.
  • the substrate control system 9 is of modular construction, approximately equidistant from the direction of curvature of the Chain conveyor system 3 following, arranged in the boom.
  • the boom has one the sprocket shaft 2 adjacent, in the conveying direction 12 first dryer unit 10 and a second dryer unit 10 arranged in the arch rise.
  • This Dryer units 10 serve to introduce heat on the front of the printing material 5.
  • Opposite to the dryer units 10 is one Dryer unit 18 for the heat input on the back of the printing material 5 arranged integrated in the respective printing material control system 9 in a modular design.
  • a dryer unit 18 consists of a module, for example individual or several IR radiators 17 or alternatively UV radiators, which is integrated into the sheet guiding system 9.
  • the sheet guide system 9 is assembled in a modular arrangement in the delivery.
  • a module of the sheet guide system 9, which is adjacent to the drying unit 10, essentially consists of a so-called closed blowing / suction box with a guide surface 19 facing the back of the printing material 5 and having a number of openings 14.
  • blow / suction boxes are known, for example, from DE 34 11 029 C2 of the applicant, so that the structural design is only to be discussed to the extent that a box housing 20 and the guide surface 19 forming the box cover are connected.
  • a cooling system 15 is arranged inside the box housing 20 on the back of the guide surface 19.
  • the cooling system 15 is flowed through by a coolant, for example water, which is operatively connected to a heat exchanger, a flow monitor, an expansion tank and a circulation pump.
  • the cooling system 15 is formed by arranged cooling channels, the rear side of the guide surface 19 being part of the cooling channels.
  • the printing material guide system 9 has a pneumatic system 13 which is arranged on the box housing 20 and which is formed, for example, by a series of fans. The pneumatic system 13 can be switched between blown air and suction air operation and is functionally assigned to the cooling system 15 and the openings 14.
  • the dryer unit 18 shows IR radiators 17, to which outlet openings 16 are functionally assigned, which are coupled to a separate air cooling system.
  • the outlet openings 16 open into the guide surface 19 or at least in their plane, so that the outflowing air can be used for guiding the printing material 5.
  • the dryer unit 18 is partitioned off from the other systems (cooling system 15 and pneumatic system 13) and has a reflection plate known per se.
  • the dryer unit 18 can be arranged in the center as well as off-center in a single or multiple modular arrangement.
  • the guide surface 19 can have a larger opening, optionally with a warm air permeable cover integrated into the guide surface 19, for. B. a metallic grid can be covered. This is particularly helpful when the pneumatic system 13 is switched to suction air operation.
  • a module of the printing material guide system 9 can be formed in the simplest form of the blow / suction box by an integrated dryer unit 18, a pneumatic system 13 and a guide surface 19 having openings 14.
  • This configuration is preferably suitable for intermediate drying, for example if the substrate control system 9 is assigned adjacent to a transfer drum or a reversing drum.
  • Modules of the sheet guiding system 9, which are not assigned to any dryer unit 10, have the same design in relation to the present example, but without a cooling system 15.
  • the mode of operation is as follows: The printing materials 5 pass through the printing press as well as the finishing units and are printed on one or both sides or painted to the delivery stack 8 in the conveying direction 12.
  • the printing material 5 is printed on one side, it is dried by the activated dryer unit 10.
  • the assigned substrate control system 9 is switched to suction operation with its pneumatic system 13, the cooling system 15 is flowed through by a coolant.
  • the dryer unit 18 is switched on, so that in addition to the heat input of the dryer unit 10 on the front side (face side), the unprinted rear side of the printing material 5 is also heated by the dryer unit 18. It is advantageous that the temperature differences between the front and back of the printing material 5 are very small and thus the smearing of ink / varnish as a result of heat / cold bridges in the delivery stack 8 is noticeably reduced.
  • connection of the dryer unit 18 can be omitted.
  • the other functions of the substrate control system 9 and the dryer unit 10 are retained.
  • the pneumatic system 13 is switched to blowing mode.
  • the generated air flow occurs at the openings 14 and supported by the formation of an air cushion on the Back of the substrate 5, the leadership.
  • the activated IR radiators 17 are cooled by means of the separate, externally generated air flow.
  • the air flow emerges at the outlet openings 16 and supports the management of the Printing material 5.
  • the cooling system 15 is activated, the cooling channels are from Coolant flows through and cool the guide surface 19 of the substrate control system 9. Due to the heat input from both sides, the paint or varnish becomes Expelled moisture from the substrate 5.
  • the pneumatic system 13 is switched to suction air mode. If the transfer drum is substituted by a reversing drum, the pneumatic system 13 is switched to blowing air operation for the contact-free guidance of the printed side of the printing material 5.
  • the cooling system 15 can of course be omitted due to the lack of an opposing dryer unit 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Drying Of Solid Materials (AREA)
EP97121279A 1996-12-11 1997-12-04 Dispositif de séchage dans une machine d'impression Expired - Lifetime EP0847855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19651406 1996-12-11
DE19651406A DE19651406C1 (de) 1996-12-11 1996-12-11 Trocknereinheit in einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP0847855A1 true EP0847855A1 (fr) 1998-06-17
EP0847855B1 EP0847855B1 (fr) 1999-11-10

Family

ID=7814311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121279A Expired - Lifetime EP0847855B1 (fr) 1996-12-11 1997-12-04 Dispositif de séchage dans une machine d'impression

Country Status (5)

Country Link
US (1) US5979325A (fr)
EP (1) EP0847855B1 (fr)
JP (1) JP3220076B2 (fr)
AT (1) ATE186500T1 (fr)
DE (2) DE19651406C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015215166B4 (de) 2015-08-07 2021-07-22 Koenig & Bauer Ag Vorrichtung zum Behandeln von Bogen

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19829094C2 (de) * 1998-06-30 2002-10-24 Roland Man Druckmasch Leiteinrichtung für bogenförmige Bedruckstoffe in einer Druckmaschine
DE19842740C2 (de) * 1998-09-18 2002-11-07 Roland Man Druckmasch Pneumatische Bogenleiteinrichtung in einer Druckmaschine
DE29912328U1 (de) * 1999-07-14 1999-09-16 Roland Man Druckmasch Trocknersystem für bogenförmige Bedruckstoffe in einer Rotationsdruckmaschine
DE60038510D1 (de) * 2000-02-23 2008-05-15 Agfa Graphics Nv Kompakter Drucker und Verfahren
US6782822B2 (en) * 2000-02-23 2004-08-31 Agfa-Gevaert Compact printing apparatus and method
JP4421066B2 (ja) † 2000-04-07 2010-02-24 株式会社小森コーポレーション 両面印刷機の品質検査装置
US6401608B1 (en) 2000-05-05 2002-06-11 Halm Industries, Co., Inc. Printing press with perfecting station
DE10047726B4 (de) * 2000-09-27 2007-07-26 Koenig & Bauer Aktiengesellschaft Bogenausleger in Druckmaschinen
DE10150041B4 (de) * 2001-10-10 2006-06-01 Platsch Gmbh & Co.Kg Austrag-Kühleinrichtung für eine Druckmaschine
DE10152593A1 (de) 2001-10-24 2003-05-08 Koenig & Bauer Ag Einrichtung zur Bedruckstoff- und Druckwerkskühlung mittels gekühlter Blasluft an Bogenrotationsdruckmaschinen
DE10217709A1 (de) * 2002-04-20 2003-11-06 Koenig & Bauer Ag Bogenleiteinrichtung
US6807906B1 (en) * 2003-05-16 2004-10-26 Printing Research, Inc. Zoned ultraviolet curing system for printing press
US7669530B2 (en) * 2003-05-16 2010-03-02 Printing Research, Inc. UV curing assembly having sheet transfer unit with heat sink vacuum plate
DE10334657A1 (de) * 2003-07-30 2005-02-17 Koenig & Bauer Ag Verfahren und Einrichtung zur Bedruckstoff- und Druckmaschinenkühlung
DE202004005480U1 (de) * 2004-04-02 2004-06-03 Heidelberger Druckmaschinen Ag Bogendruckmaschine
JP2005305794A (ja) * 2004-04-21 2005-11-04 Komori Corp シート状物の乾燥機
DE102004032111A1 (de) * 2004-07-02 2006-01-19 Koenig & Bauer Ag Leiteinrichtung für Bedruckstoffe
DE102005042956B4 (de) * 2004-10-06 2019-04-25 Heidelberger Druckmaschinen Ag Druckmaschine
JP2006240204A (ja) * 2005-03-07 2006-09-14 Mitsubishi Heavy Ind Ltd 枚葉印刷機の乾燥装置
DE102010023734A1 (de) * 2009-07-09 2011-01-13 Heidelberger Druckmaschinen Ag Elektromotorkühlung durch Anlegerabluft
US9605900B2 (en) 2015-04-22 2017-03-28 Ricoh Company, Ltd. Adjustable interlacing of drying rollers in a print system
CN105667083B (zh) * 2016-01-21 2018-05-01 成都印钞有限公司 一种用于凹印机收纸部的纸张干燥工艺及其干燥装置
US9994049B1 (en) 2017-02-13 2018-06-12 Ricoh Company, Ltd. Adjustable path length of print media in a dryer of a printing system
US9908342B1 (en) 2017-02-26 2018-03-06 Ricoh Company, Ltd. Concentric arrangement of web conditioning modules in a dryer of a print system

Citations (4)

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Publication number Priority date Publication date Assignee Title
US3960081A (en) * 1973-05-11 1976-06-01 Mohndruck Reinhard Mohn Ohg Drying arrangement for drying inks, adhesives and analogous substances on sheet material
DE3107487A1 (de) * 1981-02-27 1982-09-16 Svecia Silkscreen Maskiner AB, 14502 Norsborg "trockenanlage"
DE3411029A1 (de) * 1984-03-24 1985-10-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum fuehren von ein- und beidseitig bedruckten bogen
DE4438922A1 (de) * 1994-10-31 1996-05-02 Kba Planeta Ag Einrichtung zur Trocknerwärme- und Trocknerluftentsorgung sowie Bogenführung

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CH568798A5 (fr) * 1973-04-18 1975-11-14 Spengler Walter
US3900959A (en) * 1973-05-07 1975-08-26 Minnesota Mining & Mfg Combined infra-red and air flow drying for photographic film
DE3008703A1 (de) * 1980-03-07 1981-09-24 Ramisch Kleinewefers Gmbh, 4150 Krefeld Vorrichtung zum mehrfarbingen bedrucken thermoplastischer folienbahnen
GB2096294B (en) * 1981-02-25 1984-06-20 Svecia Silkscreen Maskiner Ab Drier
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US4811493A (en) * 1987-08-05 1989-03-14 Burgio Joseph T Jr Dryer-cooler apparatus
US5092059A (en) * 1988-06-07 1992-03-03 W. R. Grace & Co.-Conn. Infrared air float bar
DE3828753C2 (de) * 1988-08-25 1994-05-19 Heidelberger Druckmasch Ag Vorrichtung zum Trocknen von Druckprodukten in einer Druckmaschine
DE9214459U1 (de) * 1992-10-26 1993-02-04 Weitmann & Konrad GmbH & Co KG, 7022 Leinfelden-Echterdingen Vorrichtung zum thermischen Trocknen von Materialbahnen, -bögen o.dgl.
DE4308276C2 (de) * 1993-03-16 1997-09-04 Heidelberger Druckmasch Ag Leiteinrichtung für einen Bogen
DE4322324C2 (de) * 1993-07-05 2002-01-17 Heidelberger Druckmasch Ag Bogentransport und Bogenführung im Auslagebereich von Rotationsdruckmaschinen
DE9310028U1 (de) * 1993-07-06 1993-11-04 Kba-Planeta Ag, 01445 Radebeul Bedruckstoffkühlung in Auslegern von Bogenrotationsdruckmaschinen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960081A (en) * 1973-05-11 1976-06-01 Mohndruck Reinhard Mohn Ohg Drying arrangement for drying inks, adhesives and analogous substances on sheet material
DE3107487A1 (de) * 1981-02-27 1982-09-16 Svecia Silkscreen Maskiner AB, 14502 Norsborg "trockenanlage"
DE3411029A1 (de) * 1984-03-24 1985-10-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum fuehren von ein- und beidseitig bedruckten bogen
DE4438922A1 (de) * 1994-10-31 1996-05-02 Kba Planeta Ag Einrichtung zur Trocknerwärme- und Trocknerluftentsorgung sowie Bogenführung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015215166B4 (de) 2015-08-07 2021-07-22 Koenig & Bauer Ag Vorrichtung zum Behandeln von Bogen

Also Published As

Publication number Publication date
JPH10180984A (ja) 1998-07-07
US5979325A (en) 1999-11-09
DE59700685D1 (de) 1999-12-16
JP3220076B2 (ja) 2001-10-22
ATE186500T1 (de) 1999-11-15
EP0847855B1 (fr) 1999-11-10
DE19651406C1 (de) 1998-06-10

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