EP1421023B1 - Dispositif de coupe transversale de bandes de materiau, en particulier de bandes de papier ou de carton - Google Patents
Dispositif de coupe transversale de bandes de materiau, en particulier de bandes de papier ou de carton Download PDFInfo
- Publication number
- EP1421023B1 EP1421023B1 EP02762399A EP02762399A EP1421023B1 EP 1421023 B1 EP1421023 B1 EP 1421023B1 EP 02762399 A EP02762399 A EP 02762399A EP 02762399 A EP02762399 A EP 02762399A EP 1421023 B1 EP1421023 B1 EP 1421023B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross
- cutting
- sheet
- lamellae
- brake roller
- 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.)
- Expired - Lifetime
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 239000011087 paperboard Substances 0.000 title claims abstract description 5
- 239000011111 cardboard Substances 0.000 title abstract description 5
- 239000004744 fabric Substances 0.000 title 1
- 239000013013 elastic material Substances 0.000 claims abstract description 6
- 239000000123 paper Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 3
- 241000446313 Lamella Species 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
-
- 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
- B65H29/66—Advancing articles in overlapping streams
- B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
- B65H29/6618—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed
- B65H29/6627—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed in combination with auxiliary means for overlapping articles
-
- 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
- B65H29/68—Reducing the speed of articles as they advance
-
- 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
- B65H2301/515—Cutting handled material
- B65H2301/5151—Cutting handled material transversally to feeding direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/111—Details of cross-section or profile shape
- B65H2404/1114—Paddle wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/11—Details of cross-section or profile
- B65H2404/112—Means for varying cross-section
- B65H2404/1122—Means for varying cross-section for rendering elastically deformable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/50—Surface of the elements in contact with the forwarded or guided material
- B65H2404/56—Flexible surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/50—Surface of the elements in contact with the forwarded or guided material
- B65H2404/56—Flexible surface
- B65H2404/563—Elastic, supple built-up surface
-
- 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
- B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/664—Roller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
Definitions
- the invention relates to a device for the transverse cutting of webs of material, in particular of paper or board webs, comprising a cross-cutting device comprising two knife drums equipped with transverse knives and having a sheet transport device arranged behind the cross-cutting device which contains a braking device with a brake roller.
- Cross-cutting devices that produce individual sheets from a paper or board web by cross-cutting, which are then deposited on a stack, known manner behind the cross-cutting device include a sheet transport device, a braking device with a brake roller. When braking a bow, the leading edge of the still unbraked succeeding bow slides over its trailing edge. Thus, a shingled stream of overlapped arcs is generated, which is then stored in a stacking device on a stack.
- a generic cross-cutting device is described in DE 199 45 114.
- a device for the transverse cutting of material webs which includes a cross-cutting device equipped with two transverse knives knife drum and arranged behind the cross-cutting device sheet transport device having a braking device.
- the braking device includes rollers with a cylindrical base body, on the circumference of radially projecting bristles are attached. The rollers with the bristles serve to press the trailing edge of a sheet for braking on a braking element.
- the invention is therefore an object of the invention to improve a generic cross-cutting device so that even on sensitive paper or cardboard grades markings are avoided on the sheets.
- This object is achieved in that the brake roller consists of a cylindrical base body, are fixed to the circumferential distance from each other radially projecting fins made of an elastic material that ends in a cylindrical, coaxial to the main body Hüll Structure.
- the design of the brake roller with radially projecting slats causes the sheet is slowed down by its kinetic energy is largely released to a lamella.
- the elastic lamellae spring backward and soft, the travel is the braking distance of the bow.
- the effective circumferential speed of the brake roller through the sheet pressing against a lam almost to the conveying speed of the slower arc. Only after the far-reaching deceleration of the faster arc is this pressed on the leading arc.
- the subclaims contain preferred, as particularly advantageous embodiments of a brake roller according to the invention.
- FIG. 1 The apparatus shown in Figure 1 in an overall view is used for the production of paper or cardboard sheets from a continuously fed web 1.
- web / sheet running direction in the figures from left to right, the following components are arranged one behind the other:
- a longitudinal cutting device 2 in which the edges of the web 1 is trimmed and optionally the web 1 is divided into up to six individual webs, a cross-cutting device 3, a sheet transport direction 4, from which the sheets produced during cross cutting are taken and decelerated, forming a scale flow , and a stacking device 5, in which the sheets are stored on stacks 6, which lie on pallets 7.
- the cross-cutting device 3 contains in a known manner two superimposed cutterheads 8, 9, which are equipped with at least one transverse knife, of which the web 1 is divided in the passage in sheets.
- the sheet transport device 4 is arranged, which is shown enlarged in Figure 2. It includes elements for taking over the web start produced at a cross section and for tightening the web in cross cutting, for accelerated onward transport of the arc produced at a cross section to create a gap between two sheets, and for braking a sheet for producing a shingled stream of overlapping sheets , which is fed with slowed transport speed of the stacking device 5.
- the sheet transporting device 4 begins with an upper catching roller 12 and an associated lower fast belt conveyor 13.
- the catching roller 12 is at the same time the inlet-side deflection roller of a fast revolving upper belt conveyor 14, which is constructed from individual parallel belts and increased with respect to the speed of the incoming web 1 Speed is driven.
- the lower belt conveyor 13 forms with the catching roller 12 a nip, from which an incoming web start is taken.
- the belt conveyor 13 is driven at the increased speed of the upper belt conveyor 14. So will one at Cross-section produced sheet transported at an increased speed.
- the brake and overlap device begins with a vacuum can be acted upon suction box 16 whose upper, provided with suction openings wall runs parallel with some distance below the conveying plane. From the negative pressure, the trailing edge of the sheets is sucked and deflected downwards. This is followed by a lower belt conveyor 17, which runs at the slower speed at which the sheets are deposited on the stack 6. When braking an arc, the leading edge of a subsequent, even faster moving sheet slides over its trailing edge. The result is a shingled stream of overlapping sheets, which is further promoted to the lower belt conveyor 17 with the slower depositing speed.
- Each brake roller 20 consists of a cylindrical base body 20 which is mounted on the common rotatable axis 21.
- radially projecting fins 22 are attached from an elastic material with circumferential distance from each other, which ends in a cylindrical, coaxial to the main body 20 enveloping surface.
- the fins 22 are made so that in a hollow cylinder made of elastic material over the circumference axially extending slots are cut.
- the hollow cylinder has an outer diameter of about 220 mm, and slots of about 20 mm deep are cut.
- the slats 22 are inclined slightly counter to the running direction 23 of the sheets 24, as can be seen from FIG.
- the inclination angle is approximately 20 ° to the radial.
- the slats 22 are undercut, so that their end face is located substantially in a common cylindrical envelope surface.
- the fins 22 are made of an elastic and highly wear-resistant material.
- they are made of a cellular plastic material with a plurality of pores, which is not only elastic but also to a certain extent volumenkompressibel.
- they are made of a cellular elastomer produced by foaming, in particular polyurethane.
- a plurality of identically constructed brake rollers 19 are arranged at a distance from each other on the rotatable axis 21, the fins 22 terminate in a common cylindrical envelope surface, so have the same radial position.
- the design of the brake rollers 19 causes an incoming with his bow leading edge sheet 24 is decelerated by its kinetic energy is delivered to the fins 22.
- the elastic blades 22 are pushed back and soft spring. In this case, the spring travel corresponds to the braking distance of a sheet 24. If a volumenkompressibles material used for the fins 22, at the same time a portion of the braking energy is converted into deformation energy.
- the effective peripheral speed of the brake roller 19 decreases when braking a sheet 24 almost to the conveying speed of the lower, slower sheet 24, which is transported lying on the lower belt conveyor 17. The deceleration takes place so slowly that a striking and thus marks on the sheet leading edge are prevented.
- the undercut of the slats 22 at its end causes a subsequent sheet 24 is pressed as late as possible on the underlying slower arc 24.
- the slats 22 press a sheet 24 only slightly downwards, since the slats 22 buckle and thus can dodge.
- the pressing is also done with only a small pressing force, so that marks on the bow surfaces are avoided. Since the brake roller 19 rotates, the fins 22 spring back after they have lifted off the sheet 24.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Control Of Cutting Processes (AREA)
- Nonmetal Cutting Devices (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Claims (4)
- Dispositif de coupe transversale de bandes de matériau, notamment de bandes de papier ou de carton (1), comprenant un dispositif de coupe transversale (3) contenant deux cylindres de coupe (8, 9) munis de lames transversales et comprenant un dispositif de transport de feuilles (4) disposé derrière le dispositif de coupe transversale (3), qui contient un dispositif de freinage avec un rouleau de freinage (19), caractérisé en ce que le rouleau de freinage (19) se compose d'un corps de base cylindrique (20), sur lequel sont fixées des lamelles (22) en matériau élastique, saillant radialement à distance périphérique les unes des autres, qui se terminent dans une surface de gaine cylindrique, coaxiale au corps de base (20), le rouleau de freinage (19) étant configuré de telle sorte qu'une feuille (24) soit freinée en fournissant substantiellement son énergie cinétique à une lamelle (22).
- Dispositif selon la revendication 1, caractérisé en ce que les lamelles (22) sont inclinées suivant un certain angle par rapport à la direction radiale.
- Dispositif selon la revendication 1 ou 2, caractérisé en ce que pour la fabrication des lamelles (22), on découpe dans un cylindre creux en matériau élastique, des fentes s'étendant axialement sur la périphérie.
- Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les lamelles (22) sont fabriquées en un matériau en plastique cellulaire, notamment en polyuréthane.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10139405A DE10139405A1 (de) | 2001-08-17 | 2001-08-17 | Vorrichtung zum Querschneiden von Materialbahnen, insbesondere Papier- oder Kartonbahnen |
DE10139405 | 2001-08-17 | ||
PCT/EP2002/008315 WO2003016187A1 (fr) | 2001-08-17 | 2002-07-26 | Dispositif de coupe transversale de bandes de materiau, en particulier de bandes de papier ou de carton |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1421023A1 EP1421023A1 (fr) | 2004-05-26 |
EP1421023B1 true EP1421023B1 (fr) | 2006-07-26 |
Family
ID=7695078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02762399A Expired - Lifetime EP1421023B1 (fr) | 2001-08-17 | 2002-07-26 | Dispositif de coupe transversale de bandes de materiau, en particulier de bandes de papier ou de carton |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040255747A1 (fr) |
EP (1) | EP1421023B1 (fr) |
JP (1) | JP2005500225A (fr) |
AT (1) | ATE334095T1 (fr) |
DE (2) | DE10139405A1 (fr) |
WO (1) | WO2003016187A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6626427B2 (en) * | 2002-02-25 | 2003-09-30 | Xerox Corporation | Adaptive sheet feeding roll |
US8453823B2 (en) | 2008-09-05 | 2013-06-04 | Kern International, Inc. | Transporting apparatus for web products and related methods |
EP2213598B1 (fr) * | 2009-01-30 | 2011-08-24 | Neopost Technologies | Machine de traitement de courrier muni de moyens de taquage d'articles de courrier contre des parois de mise en référence |
FI20096377A (fi) * | 2009-12-21 | 2011-06-22 | Metso Paper Inc | Menetelmä selluarkkien limittämiseksi ja arkkileikkuri |
KR102149624B1 (ko) | 2016-07-19 | 2020-08-31 | 봅스트 맥스 에스에이 | 가이드 롤러 및 여러 개의 롤러들을 포함하는 운송 디바이스 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US522423A (en) * | 1894-07-03 | Machine fob | ||
US2755086A (en) * | 1953-01-05 | 1956-07-17 | Fibreboard Products Inc | Feeding method and apparatus for paper or the like |
US3484099A (en) * | 1967-04-26 | 1969-12-16 | Dick Co Ab | Rotary sheet feeding and separating assembly |
US3630516A (en) * | 1970-03-23 | 1971-12-28 | Stromberg Datagraphix Inc | Sheet-feeding apparatus |
US3671719A (en) * | 1971-04-19 | 1972-06-20 | Ibm | Roller structure for card reader |
US4420149A (en) * | 1979-01-29 | 1983-12-13 | Savin Corporation | Automatic original document feeder for electrophotographic copier |
NL8200355A (nl) * | 1982-02-01 | 1983-09-01 | Oce Nederland Bv | Vellentransportinrichting. |
US4475733A (en) * | 1982-08-02 | 1984-10-09 | Xerox Corporation | Enhanced paddle wheel inertial separator and transporter |
DE3502897A1 (de) * | 1985-01-29 | 1986-08-07 | Gämmerler, Hagen, 8021 Icking | Verfahren und vorrichtung zum veraendern der foerdergeschwindigkeit von schuppenartig ausliegenden papierprodukten |
US4759435A (en) * | 1985-11-22 | 1988-07-26 | Daymarc Corporation | Metering and singulating apparatus for integrated circuits |
US4969640A (en) * | 1986-04-04 | 1990-11-13 | Littleton Industrial Consultants, Inc. | Sweet diverting and delivery system |
DD264190A1 (de) * | 1987-09-04 | 1989-01-25 | Polygraph Leipzig | Schaufelradausleger zur schuppenauslage von druckprodukten |
DE3920407A1 (de) * | 1988-08-03 | 1990-02-08 | Hilmar Vits | Vorrichtung zum ablegen von bogen an einer stapelstelle |
US5088590A (en) * | 1990-03-30 | 1992-02-18 | Marquip, Inc. | System for changing the speed of conveyed sheets while holding register |
US5222423A (en) * | 1991-06-20 | 1993-06-29 | Appleton Papers Inc. | Overlap cam |
US5611529A (en) * | 1993-05-05 | 1997-03-18 | Vits Maschinenbau Gmbh | Device for stream feeding sheets onto a stack |
US5950510A (en) * | 1995-06-29 | 1999-09-14 | Scheffer, Inc. | Decelerating mechanism for printed products |
CH690435A5 (de) * | 1995-12-05 | 2000-09-15 | Ferag Ag | Verfahren und Vorrichtung zum Bremsen, Beschleunigen und/oder Lenken von geförderten Druckprodukten. |
US6112884A (en) * | 1998-01-09 | 2000-09-05 | Western Printing Machinery Company | Idler roller assembly for a web-product delivery system |
US6089565A (en) * | 1998-01-09 | 2000-07-18 | Western Printing Machinery Company | Stop wheel assembly and method for web-product delivery system |
US6145833A (en) * | 1998-06-02 | 2000-11-14 | Marquip, Inc. | Rotary brush sheet deceleration device |
US6231044B1 (en) * | 1998-12-29 | 2001-05-15 | Quad/Tech, Inc. | Delivery apparatus for a printing press |
FR2794732B1 (fr) * | 1999-06-10 | 2001-08-03 | Mannesmann Dematic Postal Automation Sa | Dispositif de convoyage de courrier avec des roues en matiere elastomere elastiquement deformables |
DE19945114A1 (de) * | 1999-09-21 | 2001-03-22 | Jagenberg Papiertech Gmbh | Vorrichtung zum Querschneiden von Materialbahnen, insbesondere Kartonbahnen |
US6494452B1 (en) * | 2000-10-19 | 2002-12-17 | Krzysztof Karasiewicz | Method and apparatus to decelerate printed product in a stacking process |
US6626427B2 (en) * | 2002-02-25 | 2003-09-30 | Xerox Corporation | Adaptive sheet feeding roll |
-
2001
- 2001-08-17 DE DE10139405A patent/DE10139405A1/de not_active Withdrawn
-
2002
- 2002-07-26 US US10/487,175 patent/US20040255747A1/en not_active Abandoned
- 2002-07-26 EP EP02762399A patent/EP1421023B1/fr not_active Expired - Lifetime
- 2002-07-26 AT AT02762399T patent/ATE334095T1/de not_active IP Right Cessation
- 2002-07-26 JP JP2003521126A patent/JP2005500225A/ja active Pending
- 2002-07-26 WO PCT/EP2002/008315 patent/WO2003016187A1/fr active IP Right Grant
- 2002-07-26 DE DE50207659T patent/DE50207659D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE334095T1 (de) | 2006-08-15 |
DE10139405A1 (de) | 2003-02-27 |
WO2003016187A1 (fr) | 2003-02-27 |
EP1421023A1 (fr) | 2004-05-26 |
DE50207659D1 (de) | 2006-09-07 |
US20040255747A1 (en) | 2004-12-23 |
JP2005500225A (ja) | 2005-01-06 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20040317 |
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