ES2168016T3 - Dispositivo de cambio de herramientas para un centro de mecanizado. - Google Patents
Dispositivo de cambio de herramientas para un centro de mecanizado.Info
- Publication number
- ES2168016T3 ES2168016T3 ES99926370T ES99926370T ES2168016T3 ES 2168016 T3 ES2168016 T3 ES 2168016T3 ES 99926370 T ES99926370 T ES 99926370T ES 99926370 T ES99926370 T ES 99926370T ES 2168016 T3 ES2168016 T3 ES 2168016T3
- Authority
- ES
- Spain
- Prior art keywords
- tool
- spindle
- devices
- machining center
- tools
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/15503—Processes characterized by special sequencing of operations or the like, e.g. for optimizing tool changing time or capacity in tool storage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/15513—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling the tool being taken from a storage device and transferred to a tool holder by means of transfer devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1556—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of non-rotary tools
- B23Q3/15573—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of non-rotary tools the tool being taken from a storage device and transferred to a tool holder by means of transfer devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15773—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking the tool from a storage device and passing it on to other transfer devices, which insert it in a spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
- B23Q2003/155414—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising two or more grippers
- B23Q2003/155421—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising two or more grippers the grippers moving independently from each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
- B23Q2003/155414—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising two or more grippers
- B23Q2003/155449—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore the transfer mechanism comprising two or more grippers linearly movable only
-
- 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
- Y10T483/00—Tool changing
- Y10T483/17—Tool changing including machine tool or component
- Y10T483/1702—Rotating work machine tool [e.g., screw machine, lathe, etc.]
- Y10T483/1705—Tool support comprises rotary spindle
-
- 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
- Y10T483/00—Tool changing
- Y10T483/17—Tool changing including machine tool or component
- Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
- Y10T483/1748—Tool changer between spindle and matrix
- Y10T483/1783—Tool changer between spindle and matrix including linearly translatable tool changer [e.g., shuttle, ram, etc.]
-
- 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
- Y10T483/00—Tool changing
- Y10T483/17—Tool changing including machine tool or component
- Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
- Y10T483/179—Direct tool exchange between spindle and matrix
- Y10T483/1793—Spindle comprises tool changer
-
- 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
- Y10T483/00—Tool changing
- Y10T483/17—Tool changing including machine tool or component
- Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
- Y10T483/179—Direct tool exchange between spindle and matrix
- Y10T483/1793—Spindle comprises tool changer
- Y10T483/1795—Matrix indexes selected tool to transfer position
-
- 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
- Y10T483/00—Tool changing
- Y10T483/17—Tool changing including machine tool or component
- Y10T483/1733—Rotary spindle machine tool [e.g., milling machine, boring, machine, grinding machine, etc.]
- Y10T483/179—Direct tool exchange between spindle and matrix
- Y10T483/1798—Direct tool exchange between spindle and matrix including means to project tool from matrix
-
- 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
- Y10T483/00—Tool changing
- Y10T483/18—Tool transfer to or from matrix
- Y10T483/1818—Matrix including means to project tool for transfer
-
- 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
- Y10T483/00—Tool changing
- Y10T483/18—Tool transfer to or from matrix
- Y10T483/1873—Indexing matrix
- Y10T483/1891—Chain or belt
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
Dispositivo de cambio de herramientas para un centro de mecanizado, con por lo menos un husillo (2) para la herramienta, en el que se puede sujetar una herramienta (1) y que puede ser desplazado en la dirección del eje del husillo y por lo menos en una dirección perpendicular a aquélla, con un almacén de herramientas (3) y con dos dispositivos de sujeción de herramientas (4a) en un dispositivo de transporte (4), con el cual se pueden desplazar los dispositivos de sujeción de herramientas (4a) hasta una posición de cambio de herramientas situada en la zona de movimiento del husillo (2) para la herramienta, de modo que en uno de dichos dispositivos se puede depositar una herramienta usada (1) por medio del movimiento del husillo (2) para la herramienta, y desde otro de dichos dispositivos se puede tomar una herramienta nueva (1) por medio del movimiento del husillo (2) para la herramienta, caracterizado porque cada uno de los dispositivos de sujeción de herramienta (4a) previstos por lo menospor duplicado, está situado en un dispositivo propio de transporte (4), porque los dispositivos de transporte (4) se pueden mover pendularmente de un lado hacia otro, independientemente entre sí, entre la posición de cambio de herramientas y un alojamiento (3a) para herramientas del almacén de herramientas (3), y porque los alojamientos (3a) para herramientas del almacén de herramientas (3) se pueden mover en forma giratoria.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19830392A DE19830392A1 (de) | 1998-07-08 | 1998-07-08 | Werkzeugwechselvorrichtung für ein Bearbeitungszentrum |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2168016T3 true ES2168016T3 (es) | 2002-05-16 |
Family
ID=7873264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES99926370T Expired - Lifetime ES2168016T3 (es) | 1998-07-08 | 1999-05-22 | Dispositivo de cambio de herramientas para un centro de mecanizado. |
Country Status (8)
Country | Link |
---|---|
US (1) | US6579216B2 (es) |
EP (1) | EP1094916B1 (es) |
JP (1) | JP3872291B2 (es) |
CN (1) | CN1098139C (es) |
CZ (1) | CZ296766B6 (es) |
DE (2) | DE19830392A1 (es) |
ES (1) | ES2168016T3 (es) |
WO (1) | WO2000002703A1 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337547A1 (de) * | 2003-08-05 | 2005-03-03 | Ex-Cell-O Gmbh | Werkzeugwechselvorrichtung für eine Werkzeugmaschine und Verfahren zum Werkzeugwechsel an einer Werkzeugmaschine |
DE102004028151A1 (de) * | 2004-06-10 | 2005-12-29 | Mikron Comp-Tec Ag | Speicheranordnung für Bearbeitungsmaschinen |
DE502006001124D1 (de) * | 2006-01-18 | 2008-08-28 | Hueller Hille Gmbh | Werkzeug-Magazin mit einem Speicher-Rad mit zwei Reihen von Werkzeug-Aufnahmen am Umfang |
US7520847B1 (en) * | 2008-06-18 | 2009-04-21 | Campro Precision Machinery Co., Ltd. | Tool magazine of automatic tool changer |
DE102009030387B3 (de) | 2009-06-25 | 2010-12-16 | Mag Europe Gmbh | Werkzeug-Maschine mit einem Ketten-Magazin |
KR101238237B1 (ko) * | 2009-11-18 | 2013-03-04 | 코마츠 엔티씨 가부시끼가이샤 | 툴매거진 및 머시닝센터 |
JP5678739B2 (ja) * | 2011-03-10 | 2015-03-04 | ブラザー工業株式会社 | 工具交換装置 |
KR101313639B1 (ko) * | 2011-04-27 | 2013-10-02 | (주)대성하이텍 | 치아가공기용 공구교환장치 |
US8857486B2 (en) * | 2011-05-04 | 2014-10-14 | Asm Technology Singapore Pte. Ltd. | Flip arm module for a bonding apparatus incorporating changeable collet tools |
JP5858887B2 (ja) * | 2012-09-14 | 2016-02-10 | 株式会社エフテック | 加工装置 |
IT201700042590A1 (it) * | 2017-04-19 | 2018-10-19 | Vigel Spa | Metodo per il caricamento e la sostituzione di utensili in centri di lavoro muniti di magazzino-utensili meccanizzato, e centro di lavoro impiegante tale metodo |
CN109396915A (zh) * | 2018-12-12 | 2019-03-01 | 上海西格码机床有限公司 | 一种加工中心大小刀的换刀处理方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3298098A (en) * | 1964-11-23 | 1967-01-17 | Kearney & Trecker Corp | Machine tool with tool changer |
US3932924A (en) * | 1971-07-16 | 1976-01-20 | Doall Company | Method of changing tools |
US4185376A (en) * | 1977-12-22 | 1980-01-29 | Kearney & Trecker Corporation | Unmanned machining center with tool checking |
US4166279A (en) * | 1977-12-30 | 1979-08-28 | International Business Machines Corporation | Electromigration resistance in gold thin film conductors |
US4221043A (en) * | 1979-03-05 | 1980-09-09 | Kearney & Trecker Corporation | Automatic tool changer for multiple spindle machine tool |
FR2465557A1 (fr) * | 1979-09-20 | 1981-03-27 | Moulin Georges | Changeur automatique d'outils pour machines-outils en general permettant le transfert de chaque outil depuis la broche porte-outils jusqu'a un magasin d'outils tournant |
JPS59227344A (ja) * | 1983-06-09 | 1984-12-20 | Sakazaki Tekko Kk | 多軸工作機械における自動工具交換装置 |
DE3501113A1 (de) * | 1985-01-15 | 1986-07-17 | Horst Dipl.-Ing. Grüner (FH), 7347 Bad Überkingen | Insbesondere zur spanenden bearbeitung einsetzbare werkzeugmaschine |
DE3521009A1 (de) * | 1985-06-12 | 1986-12-18 | Chiron-Werke Gmbh, 7200 Tuttlingen | Werkzeugmaschine |
DE3701858A1 (de) * | 1987-01-23 | 1988-08-04 | Behrens Ag C | Blechbearbeitungsmaschine mit werkzeugmagazin |
ATE77982T1 (de) * | 1988-05-19 | 1992-07-15 | Klessmann Ima Norte Maschfab | Werkzeugmaschine mit magazin und werkzeugwechsler. |
JPH0310736A (ja) * | 1989-06-09 | 1991-01-18 | Mazda Motor Corp | 自動工具交換装置 |
DE9007476U1 (de) * | 1990-03-24 | 1992-01-30 | Fritz Werner Werkzeugmaschinen AG, 1000 Berlin | Werkzeugwechseleinrichtung für eine Bearbeitungsmaschine |
JPH04262826A (ja) * | 1991-02-18 | 1992-09-18 | Murata Mach Ltd | パンチプレス機 |
DE4116091C1 (es) * | 1991-05-17 | 1992-08-13 | Hirschmann Gmbh, 7239 Fluorn-Winzeln, De | |
DE4117702A1 (de) * | 1991-05-30 | 1992-12-03 | Chiron Werke Gmbh | Verfahren und vorrichtung zum wechseln von werkzeugen an einer werkzeugmaschine |
JP3246647B2 (ja) * | 1996-03-12 | 2002-01-15 | キタムラ機械株式会社 | 自動工具交換用ツールマガジン |
US6641511B2 (en) * | 2000-08-31 | 2003-11-04 | Hurco Companies, Inc. | Movable arm activated tool changer for machine tool system |
-
1998
- 1998-07-08 DE DE19830392A patent/DE19830392A1/de not_active Withdrawn
-
1999
- 1999-05-22 ES ES99926370T patent/ES2168016T3/es not_active Expired - Lifetime
- 1999-05-22 EP EP99926370A patent/EP1094916B1/de not_active Expired - Lifetime
- 1999-05-22 CZ CZ20004343A patent/CZ296766B6/cs not_active IP Right Cessation
- 1999-05-22 WO PCT/EP1999/003534 patent/WO2000002703A1/de active IP Right Grant
- 1999-05-22 JP JP2000558951A patent/JP3872291B2/ja not_active Expired - Fee Related
- 1999-05-22 CN CN99808005A patent/CN1098139C/zh not_active Expired - Fee Related
- 1999-05-22 DE DE59900778T patent/DE59900778D1/de not_active Expired - Lifetime
-
2001
- 2001-01-08 US US09/755,091 patent/US6579216B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2002520171A (ja) | 2002-07-09 |
US6579216B2 (en) | 2003-06-17 |
CN1307511A (zh) | 2001-08-08 |
US20010023222A1 (en) | 2001-09-20 |
JP3872291B2 (ja) | 2007-01-24 |
EP1094916A1 (de) | 2001-05-02 |
WO2000002703A1 (de) | 2000-01-20 |
CZ20004343A3 (cs) | 2001-08-15 |
DE19830392A1 (de) | 2000-01-20 |
CN1098139C (zh) | 2003-01-08 |
CZ296766B6 (cs) | 2006-06-14 |
DE59900778D1 (de) | 2002-03-14 |
EP1094916B1 (de) | 2002-01-23 |
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