ES2086008T3 - Union para tubos, principalmente para tubos compuestos. - Google Patents
Union para tubos, principalmente para tubos compuestos.Info
- Publication number
- ES2086008T3 ES2086008T3 ES91920879T ES91920879T ES2086008T3 ES 2086008 T3 ES2086008 T3 ES 2086008T3 ES 91920879 T ES91920879 T ES 91920879T ES 91920879 T ES91920879 T ES 91920879T ES 2086008 T3 ES2086008 T3 ES 2086008T3
- Authority
- ES
- Spain
- Prior art keywords
- ring
- pct
- shaped
- sleeve
- shaped beads
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L13/16—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
- F16L13/161—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars the pipe or collar being deformed by crimping or rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
- F16L13/143—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element placed around the male part before crimping or rolling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
- F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
- F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Joints With Sleeves (AREA)
Abstract
LA INVENCION CONCIERNE A UN EMPALME PARA TUBOS, ESPECIALMENTE PARA TUBOS COMPUESTOS (2), CON UN MANGUITO DE APOYO (4) CON AL MENOS UNA ZONA DE EMPALME (3) Y UN MANGUITO DE PRESION (6), EN EL QUE EL MANGUITO DE APOYO (4) ESTA PROVISTO DE UN CUELLO (10) Y DE UNOS REBORDES ANULARES PRINCIPALES (12), EL MANGUITO DE PRESION (6) QUE RODEA EL EXTREMO DEL TUBO SITUADO EN LA ZONA DE EMPALME (3), EL MANGUITO DE PRESION (6) QUE ESTA CONFIGURADO COMO ELEMENTO DE PRESION DEFORMABLE PLASTICAMENTE, Y ESTE EN LA PARTE FINAL DE EL EMPALME DEL TUBO (1) CON CAVIDADES (11, 11'', 11'''') DE FORMA ANULAR, DIRIGIDOS HACIA EL INTERIOR, BRINDA UN EMPALME ESTANCO DEL FINAL DE TUBO CORRESPONDIENTE. CON OBJETO DE CONSEGUIR A BAJO COSTE UN EMPALME FIJO, DURADERO Y ESTANCO, SE HA CONFIGURADO LA ZONA DE EMPALME (3) DEL MANGUITO DE APOYO (4) COMO UNA ZONA DE APOYO INICIAL, QUE PRESENTA JUNTO AL CUELLO (10) UNA PARTE DE APOYO INTERIOR (14), UNA PARTE DE APOYO EXTERIOR (15) JUNTO AL EXTREMO DE LA ZONA DE EMPALME (3) Y UNA PARTE INTERMEDIA (16) DE DIAMETRO REDUCIDO, CON REBORDES ANULARES (12, 13), POR LO QUE EN LA ZONA CENTRAL DE LA PARTE INTERMEDIA (16), SE HAN PREVISTO REBORDES ANULARES PRINCIPALES (12, 12''), Y ENTRE ESTOS Y LA PARTE INTERIOR O EXTERIOR DE LA ZONA DE APOYO (14, 15) REBORDES ANULARES AUXILIARES (13), LOS CUALES RESPECTIVAMENTE ENTRE DOS DE ELLOS, ESTAN FORMADOS POR REBORDES ANULARES PARCIALES QUE LIMITAN ENTRE UNA RANURA DE ALOJAMIENTO PARA UNA PIEZA ANULAR ELASTOMERA (19, 19'').
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9016310U DE9016310U1 (de) | 1990-11-30 | 1990-11-30 | Rohrverbindung, insbesondere an Verbundrohren |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2086008T3 true ES2086008T3 (es) | 1996-06-16 |
Family
ID=6859863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91920879T Expired - Lifetime ES2086008T3 (es) | 1990-11-30 | 1991-11-29 | Union para tubos, principalmente para tubos compuestos. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5378023A (es) |
EP (1) | EP0513292B1 (es) |
AT (1) | ATE134430T1 (es) |
CA (1) | CA2074938A1 (es) |
DE (2) | DE9016310U1 (es) |
DK (1) | DK0513292T3 (es) |
ES (1) | ES2086008T3 (es) |
GR (1) | GR3019654T3 (es) |
PT (1) | PT8889U (es) |
WO (1) | WO1992009840A1 (es) |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10327503A1 (de) * | 2003-06-17 | 2005-01-05 | VETEC GmbH Verbindungstechnologie für Versorgungssysteme | Kombination eines Pressfittings mit einem Presswerkzeug, Verpressfitting und Presshülse |
DE9100830U1 (de) * | 1991-01-25 | 1991-04-18 | Hewing GmbH, 4434 Ochtrup | Rohrverbindung mit axialer Verpressung, insbesondere für Verbundrohre |
CH682942A5 (de) * | 1991-04-22 | 1993-12-15 | Geberit Ag | Verbindungsteil für eine Pressverbindung. |
DE9110998U1 (de) * | 1991-09-05 | 1991-10-31 | Hewing GmbH, 4434 Ochtrup | Rohrverbindung |
DE4217538A1 (de) * | 1991-09-11 | 1993-12-02 | Wirsbo Produktions Und Vertrie | Rohrleitungsverbindung aus einem Verbundrohr |
ES2112408T3 (es) * | 1992-07-07 | 1998-04-01 | Stebi Tech Ag | Dispositivo de acoplamiento para la realizacion de una union entre tubos. |
EP0681667B1 (en) * | 1993-01-21 | 1998-08-12 | Philip Ferdinando Villa | Radiator system |
DE4304680C1 (de) * | 1993-02-16 | 1994-04-28 | Kirchner Fraenk Rohr | Abdichtende Verbindung von Kunststoff-Metall-Kunststoff-Verbundrohren |
EP0701492B1 (de) * | 1993-06-03 | 1998-12-02 | MANNESMANN Aktiengesellschaft | Verfahren zur installation eines leitungsrohrsystems und vorrichtung zum unlösbaren verbinden |
DE4318928C1 (de) * | 1993-06-03 | 1994-08-25 | Mannesmann Ag | Verfahren zur Installation eines Leitungsrohrsystems |
DE4318929C2 (de) * | 1993-06-03 | 1995-12-07 | Mannesmann Ag | Presse zum unlösbaren Verbinden von Leitungsrohrabschnitten und Elementen wie Fittings, Armaturen und Formteile |
DE4325349C2 (de) * | 1993-07-28 | 1998-01-15 | Kirchner Fraenk Rohr | Verbindungsvorrichtung |
IT234330Y1 (it) * | 1994-05-27 | 2000-03-09 | Manuli Auto Italia Spa | Raccordo per tubi flessibili provvisto di almeno una guarnizione anulare resiliente |
DE4441373C2 (de) * | 1994-11-21 | 1997-12-04 | Kirchner Fraenk Rohr | Rohrverbindung, insbesondere für Rohre mit mindestens einer Kunststoffschicht |
DE29518333U1 (de) * | 1995-11-18 | 1996-01-11 | Novopress GmbH Pressen und Presswerkzeuge & Co KG, 41460 Neuss | Kupplungsvorrichtung für die Herstellung einer Rohrverbindung |
DE19543092C2 (de) * | 1995-11-18 | 1998-04-30 | Novopress Gmbh | Verfahren zur Herstellung einer Rohrverbindung sowie Kupplungsvorrichtung für die Herstellung einer Rohrverbindung |
US5791698A (en) * | 1995-11-29 | 1998-08-11 | Continental Industries, Inc. | Plastic pipe coupler with internal sealer |
US5692785A (en) * | 1995-11-29 | 1997-12-02 | Continental Industries, Inc. | Plastic pipe coupler with internal sealer |
FR2742517B1 (fr) * | 1995-12-13 | 1998-01-09 | Journee Paul Sa | Agencement pour le raccordement d'une canalisation souple sur un embout tubulaire rigide |
DE19603228A1 (de) * | 1996-01-30 | 1997-07-31 | Henco Ind Nv | Pressverbindung |
DE19607630C1 (de) | 1996-02-29 | 1997-07-31 | Hewing Gmbh | Preßfitting zum Anschluß eines Rohres |
US6050613A (en) * | 1996-04-01 | 2000-04-18 | Continental Industries, Inc. | Combined plastic pipe coupler and end plug |
DE19633627A1 (de) | 1996-08-21 | 1998-02-26 | Dischler Helmut | Kupplungsvorrichtung für die Herstellung einer Rohrverbindung |
DE19637688C2 (de) * | 1996-09-09 | 1998-08-20 | Mannesmann Ag | Rohrverbindung |
DE19637608C1 (de) * | 1996-09-16 | 1997-10-23 | Novopress Gmbh | Verfahren zum Verbinden eines Rohrendes mit einer Rohrkupplung, Verbindung zwischen einer Rohrkupplung und einem Rohrende sowie Rohrkupplung hierfür |
DE29617165U1 (de) * | 1996-10-02 | 1996-11-14 | Novopress GmbH Pressen und Presswerkzeuge & Co KG, 41460 Neuss | Kupplungsvorrichtung für die Herstellung einer Verbindung von zwei Rohrenden |
AT1686U1 (de) * | 1996-11-22 | 1997-09-25 | Verbex Produktions Und Vertrie | Verbindungsstück, insbesondere mit gewindeanschluss, zum aufpressen auf das ende eines rohres |
DE19707827C2 (de) * | 1997-02-25 | 1999-04-01 | Geberit Technik Ag | Pressverbindung |
DE19721078B4 (de) * | 1997-05-20 | 2009-05-14 | Herz Armaturen Ges.M.B.H. | Verpreßbare Rohrverbindung |
US5865477A (en) * | 1997-07-30 | 1999-02-02 | Chung Cheng Faucet Co., Ltd. | Faucet facilitating easy installation on a wall or table top |
IT238349Y1 (it) * | 1997-07-30 | 2000-10-16 | Chemidro S A S Di Del Pin Mart | Raccordo per il collegamento di tubi mediante pressatura |
US5934711A (en) * | 1997-08-06 | 1999-08-10 | Perfection Corporation | Mold shot riser element with O-ring sealing |
EP0913612B1 (de) * | 1997-11-03 | 2003-04-02 | NOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO. KG. | Verfahren zum Verbinden eines Rohres mit einer Rohrkupplung, Verbindung zwischen einem Rohr und einer Rohrkupplung sowie Rohrkupplung hierfür |
DE19749748C1 (de) * | 1997-11-03 | 1999-04-08 | Novopress Gmbh | Verfahren zum Verbinden eines Rohres mit einer Rohrkupplung, Verbindung zwischen einem Rohr und einer Rohrkupplung sowie Rohrkupplung hierfür |
DE29900796U1 (de) * | 1998-04-03 | 1999-04-08 | Geberit Technik Ag, Jona | Vorrichtung zum Verbinden eines Rohrstutzens, rohrförmigen Armaturenteils oder Fittings mit einem Rohr |
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US6523862B1 (en) | 2001-03-14 | 2003-02-25 | James MacDuff | Tubing connector with integrated crimp ring and reaming tool for use therewith |
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US6863279B2 (en) * | 2001-12-05 | 2005-03-08 | Conoco Investments Norge Ad | Redundant seal design for composite risers with metal liners |
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DE20207313U1 (de) | 2002-05-10 | 2003-09-18 | Franz Viegener II GmbH & Co. KG, 57439 Attendorn | Verbindungsstück und Verbindungsanordnung |
US20070152442A1 (en) * | 2002-06-13 | 2007-07-05 | Dayco Products, Llc | Brazeless connector for fluid transfer assemblies |
US20040032124A1 (en) * | 2002-08-15 | 2004-02-19 | Lefere Robert M. | Fitting for textile reinforced hose |
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US20040130148A1 (en) * | 2003-01-08 | 2004-07-08 | Christopher Patterson | Conventionally formed double O-ring coupling |
US20040145180A1 (en) * | 2003-01-15 | 2004-07-29 | Mayer Martin G. | Reinforced composite boom pipe with bonded sleeves |
US7025390B2 (en) * | 2003-02-20 | 2006-04-11 | Wolf Creek Company, Inc. | Method and apparatus for connecting coupler fittings to conduit sections |
DE602004003372T2 (de) * | 2003-05-12 | 2007-09-13 | Putzmeister Inc., Sturtevant | Fasergewickeltes verbundauslegerrohr |
US7516990B2 (en) * | 2003-05-15 | 2009-04-14 | Mueller Industries, Inc. | Fluid conduit system and fittings therefor |
DE502004008758D1 (de) * | 2003-05-20 | 2009-02-12 | Uponor Innovation Ab | Pressfitting |
US7237809B2 (en) * | 2004-05-07 | 2007-07-03 | Halliburton Energy Services, Inc. | Coiled tubing connector |
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US8925978B2 (en) | 2008-07-31 | 2015-01-06 | Mueller Industries, Inc. | Coupling and joint for fixedly and sealingly securing components to one another |
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US8628118B2 (en) * | 2011-05-18 | 2014-01-14 | Larry F. Bobenhausen | System, method, and apparatus for multiple application fitting |
EP2568206B1 (de) | 2011-09-07 | 2015-01-21 | Geberit International AG | Verbindungsanordnung |
US9976677B2 (en) * | 2013-03-15 | 2018-05-22 | Ultraflo Corporation | Dual use coupling end for pipes and fittings |
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US9377140B2 (en) * | 2014-07-08 | 2016-06-28 | Alkon Corporation | Configurable coupling apparatus for tubular elements |
DE202015105417U1 (de) * | 2015-10-13 | 2017-01-16 | Uponor Innovation Ab | Übergangskupplung sowie System aus Übergangskupplung und Presswerkzeug |
US10130051B2 (en) * | 2016-02-08 | 2018-11-20 | Victor Edward Putnam | Linear, small diameter maple spile made of stainless steel or plastic with two o-rings |
DE102016204694A1 (de) * | 2016-03-22 | 2017-09-28 | Peri Gmbh | Gerüstelement mit einem Trägerkopf und Baugerüst mit einem solchen Gerüstelement |
JP6824414B2 (ja) * | 2017-07-26 | 2021-02-03 | 東洋フイツテング株式会社 | 管継手及び管継手構造 |
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US20220314581A1 (en) * | 2019-04-08 | 2022-10-06 | Avinash Laddha | Insert coupling article or apparatus |
CN110005883B (zh) * | 2019-04-09 | 2020-07-24 | 雷洋 | 一种燃气管道不动火的连接方法 |
CN210179146U (zh) * | 2019-04-24 | 2020-03-24 | 日丰企业集团有限公司 | 一种用于连接金属管与塑料管的连接接头 |
US12036749B2 (en) | 2021-02-04 | 2024-07-16 | B/E Aerospace, Inc. | Metal composite joints for composite rods |
EP4269837A1 (de) * | 2022-04-26 | 2023-11-01 | Valeo eAutomotive Germany GmbH | Kupplungsanordnung und getriebeeinrichtung mit einer derartigen kupplungsanordnung |
WO2024010608A1 (en) * | 2022-07-05 | 2024-01-11 | Oetiker Ny, Inc. | Tube connector including locking capture fingers |
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US4277091A (en) * | 1979-04-19 | 1981-07-07 | Hunter John J | Coupling for lined pipe |
US4330924A (en) * | 1980-01-31 | 1982-05-25 | General Electric Company | Method of forming crimped tube joint |
DE3144385C2 (de) * | 1981-11-07 | 1983-10-20 | Deutsche Schachtbau- und Tiefbohr-Gesellschaft mbH, 4450 Lingen | Überschiebemuffe |
US4486035A (en) * | 1982-09-29 | 1984-12-04 | Hydrasearch Co Inc | Reusable coupling |
DE3243365C2 (de) * | 1982-11-24 | 1985-08-29 | Aeroquip GmbH, 3510 Hann.Münden | Quetscharmatur für Schläuche für unter Druck stehende Fluide |
IL72279A (en) * | 1983-07-19 | 1988-11-30 | Pfister Juerg | Pipe coupling device |
ATE36746T1 (de) * | 1984-02-20 | 1988-09-15 | Fischer Ag Georg | Verbindung fuer faserverstaerkte kunststoffrohre. |
US4593942A (en) * | 1984-07-16 | 1986-06-10 | Hydrasearch Co., Inc. | Coupling for thin-walled flexible hose |
US4564222A (en) * | 1984-08-27 | 1986-01-14 | Hydrasearch Co., Inc. | Separable coupling for thin-walled flexible hose |
GB2177769B (en) * | 1985-07-17 | 1989-07-26 | Guest John D | Improvements in or relating to hose connectors |
US4729583A (en) * | 1985-08-07 | 1988-03-08 | Titeflex Corporation | Reusable end fitting for convoluted hose |
US4844516A (en) * | 1988-02-05 | 1989-07-04 | Otis Engineering Corporation | Connector for coil tubing or the like |
ZA894696B (en) * | 1988-06-24 | 1990-03-28 | Duffield Frederick Pty Ltd | Hose end fitting for very high pressure hoses |
US5096231A (en) * | 1990-11-28 | 1992-03-17 | S&H Fabricating And Engineering Inc. | Flexible fluid conduit assembly |
-
1990
- 1990-11-30 DE DE9016310U patent/DE9016310U1/de not_active Expired - Lifetime
-
1991
- 1991-11-29 AT AT91920879T patent/ATE134430T1/de not_active IP Right Cessation
- 1991-11-29 WO PCT/EP1991/002261 patent/WO1992009840A1/de active IP Right Grant
- 1991-11-29 DK DK91920879.3T patent/DK0513292T3/da active
- 1991-11-29 US US07/915,692 patent/US5378023A/en not_active Expired - Fee Related
- 1991-11-29 ES ES91920879T patent/ES2086008T3/es not_active Expired - Lifetime
- 1991-11-29 DE DE59107431T patent/DE59107431D1/de not_active Expired - Fee Related
- 1991-11-29 EP EP91920879A patent/EP0513292B1/de not_active Expired - Lifetime
- 1991-11-29 CA CA002074938A patent/CA2074938A1/en not_active Abandoned
-
1993
- 1993-09-27 PT PT8889U patent/PT8889U/pt not_active IP Right Cessation
-
1996
- 1996-04-16 GR GR960401035T patent/GR3019654T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
US5378023A (en) | 1995-01-03 |
WO1992009840A1 (de) | 1992-06-11 |
PT8889U (pt) | 1996-02-29 |
DK0513292T3 (da) | 1996-07-01 |
ATE134430T1 (de) | 1996-03-15 |
CA2074938A1 (en) | 1992-05-31 |
DE9016310U1 (de) | 1991-02-21 |
EP0513292A1 (de) | 1992-11-19 |
EP0513292B1 (de) | 1996-02-21 |
DE59107431D1 (de) | 1996-03-28 |
GR3019654T3 (en) | 1996-07-31 |
PT8889T (pt) | 1994-01-31 |
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