ATE154423T1 - Verfahren zur herstellung eines widerstandes zum verschweissen in form eines netzes, eine mit diesem verfahren hergestellter widerstand für das zusammenfügen paralleller oder transversaler kunststoffröhren und damit ausgerüstete rohrverzweigung - Google Patents

Verfahren zur herstellung eines widerstandes zum verschweissen in form eines netzes, eine mit diesem verfahren hergestellter widerstand für das zusammenfügen paralleller oder transversaler kunststoffröhren und damit ausgerüstete rohrverzweigung

Info

Publication number
ATE154423T1
ATE154423T1 AT93400776T AT93400776T ATE154423T1 AT E154423 T1 ATE154423 T1 AT E154423T1 AT 93400776 T AT93400776 T AT 93400776T AT 93400776 T AT93400776 T AT 93400776T AT E154423 T1 ATE154423 T1 AT E154423T1
Authority
AT
Austria
Prior art keywords
resistor
welding
transversal
therefrom
network
Prior art date
Application number
AT93400776T
Other languages
English (en)
Inventor
Martine Brunet
Denis Dufour
Original Assignee
Gaz De France
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 Gaz De France filed Critical Gaz De France
Application granted granted Critical
Publication of ATE154423T1 publication Critical patent/ATE154423T1/de

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/58—Heating hoses; Heating collars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/344—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint being a woven or non-woven fabric or being a mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • 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
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02—Welded joints; Adhesive joints
    • F16L47/03—Welded joints with an electrical resistance incorporated in the joint
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0009—Cutting out
    • B29C2793/0018—Cutting out for making a hole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • B29C65/3432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding comprising several wires, e.g. in the form of several independent windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B29C65/348—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic with a polymer coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
AT93400776T 1992-04-10 1993-03-25 Verfahren zur herstellung eines widerstandes zum verschweissen in form eines netzes, eine mit diesem verfahren hergestellter widerstand für das zusammenfügen paralleller oder transversaler kunststoffröhren und damit ausgerüstete rohrverzweigung ATE154423T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204415A FR2690036B1 (fr) 1992-04-10 1992-04-10 Filet formant resistance, son application au soudage de tubes aboutes et au raccordement transversal de canalisations, ensembles ainsi constitues et prise de branchement electrosoudable ainsi equipee.

Publications (1)

Publication Number Publication Date
ATE154423T1 true ATE154423T1 (de) 1997-06-15

Family

ID=9428725

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93400776T ATE154423T1 (de) 1992-04-10 1993-03-25 Verfahren zur herstellung eines widerstandes zum verschweissen in form eines netzes, eine mit diesem verfahren hergestellter widerstand für das zusammenfügen paralleller oder transversaler kunststoffröhren und damit ausgerüstete rohrverzweigung

Country Status (10)

Country Link
US (1) US5410131A (de)
EP (1) EP0565397B1 (de)
JP (1) JP3474603B2 (de)
AT (1) ATE154423T1 (de)
CA (1) CA2093787C (de)
DE (1) DE69311428T2 (de)
DK (1) DK0565397T3 (de)
ES (1) ES2103445T3 (de)
FR (1) FR2690036B1 (de)
GR (1) GR3023807T3 (de)

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FR2692020B1 (fr) * 1992-06-04 1996-01-26 Innoge Sam Raccord thermosoudable pour tubes en un materiau plastique et son procede de fabrication.
US5494318A (en) * 1993-04-29 1996-02-27 Butts; Nicholas E. Secondary containment system
US5776293A (en) * 1995-01-30 1998-07-07 Levingston; Jerry C. Joints for polymeric pipe
AU6370796A (en) * 1995-06-28 1997-01-30 Raymond Allan Goldsmid Element for fusion welding plastics
FI102636B1 (fi) * 1996-03-05 1999-01-15 Uponor Bv Menetelmä muovimateriaalia olevien putkien liittämiseksi, menetelmässä käytettävä liitosrengas sekä muoviputkiliitos
US5736715A (en) * 1996-03-19 1998-04-07 Thermacor Process, Inc. Method of forming pressure testable joint between insulated pipes using split sleeve arrangement
US6250687B1 (en) * 1996-04-30 2001-06-26 Trolining Gmbh Process for leak proof connection of branch lines to rehabilitated sewer pipes
US5820720A (en) * 1996-05-28 1998-10-13 Campbell; Steve Method of and apparatus for electrofusion coupling of thermoplastic pipes
US6521072B1 (en) 1996-05-28 2003-02-18 C&S Intellectual Properties, Llc Method of coupling profile wall thermoplastic pipes
US6131954A (en) * 1996-05-28 2000-10-17 Campbell; Steve Weldable couple for electrofusion coupling of profile wall thermoplastic pipes without a separate coupler
KR100219559B1 (ko) 1996-10-09 1999-09-01 윤종용 신호라인 구동회로 및 이를 구비하는 반도체장치
FI107405B (sv) * 1999-02-03 2001-07-31 Kwh Pipe Ab Oy Förfarande för skarvning av spirallindade rör
WO2003059604A1 (en) * 2002-01-17 2003-07-24 Naoki Toriyabe Fusion-worked product of resin members and production method therefor and method of fusing resin members
US6913056B2 (en) 2002-01-31 2005-07-05 Baxter International Inc. Apparatus and method for connecting and disconnecting flexible tubing
US7275543B2 (en) * 2002-09-20 2007-10-02 Baxter International Inc. Coupler member for joining dissimilar materials
US7722733B2 (en) * 2004-03-29 2010-05-25 Baxter International Inc. Method for sterile connection of tubing
FR2874415B1 (fr) 2004-08-20 2006-11-24 Gaz De France Procede de reparation in situ d'un conduit ou d'un reservoir en matiere thermofusible et dispositf pour la mise en oeuvre de ce procede
FR2901173B1 (fr) * 2006-05-17 2009-02-13 Gaz De France Sa Dispositif et procede pour le soudage de deux pieces en polymere par fusion
GB2447928B (en) * 2007-03-28 2012-04-11 Cypherco Ltd Thermoplastic components
JP2011158007A (ja) * 2010-01-29 2011-08-18 Inoac Housing & Construction Materials Co Ltd 樹脂管の熱融着具
EP2573441A1 (de) * 2011-09-22 2013-03-27 Georg Fischer Rohrleitungssysteme AG T-Fitting
US9044898B2 (en) * 2012-04-03 2015-06-02 Apple Inc. Methods for joining electronic device housing structures using heat activated thermoset film
US8741091B2 (en) 2012-04-26 2014-06-03 Richard Hardy Method for thermoplastic welding and welded composite structures
PL3392025T3 (pl) 2017-04-20 2022-10-24 Georg Fischer Wavin Ag Geometria elementu grzewczego do zastosowania w siodle nawiercanym
IT201800005775A1 (it) * 2018-05-28 2019-11-28 Raccordo di derivazione elettrosaldabile per tubi ad elevato diametro e relativo metodo di saldatura.
RU204258U1 (ru) * 2021-03-16 2021-05-17 Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) Устройство для обработки расплава сварочной ванны ультразвуковыми колебаниями
CN114562625A (zh) * 2022-03-02 2022-05-31 姜成旭 一种网状导磁热熔圈诱导焊接方式的承接口连接结构

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FR2519578A1 (fr) * 1981-07-01 1983-07-18 Sam Innovation Tech Dispositif en matiere plastique pour realiser une perforation dans un element sous-jacent en matiere plastique, procede de fabrication d'un tel dispositif et sa mise en oeuvre pour realiser des derivations de canalisations
GB2136074B (en) * 1983-03-09 1986-08-20 Victaulic Plc Weldable pipe fittings
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NL8403462A (nl) * 1984-11-13 1986-06-02 Arie De Jong Werkwijze voor het vervaardigen van een verbindingsvormstuk, in het bijzonder aanboorzadel en een volgens de werkwijze vervaardigd verbindingsvormstuk.
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FR2654978B1 (fr) * 1989-11-29 1992-02-21 Gaz De France Piece de raccordement du type a resistance electrique perfectionnee pour la reunion par thermosoudage d'elements en matiere plastique.
DE3939570C2 (de) * 1989-11-30 1998-03-26 Immanuel Jeschke Anbohrschelle für Kunststoffrohre
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Also Published As

Publication number Publication date
GR3023807T3 (en) 1997-09-30
DE69311428T2 (de) 1997-10-30
FR2690036A1 (fr) 1993-10-15
US5410131A (en) 1995-04-25
FR2690036B1 (fr) 1998-10-09
JPH06185689A (ja) 1994-07-08
EP0565397A1 (de) 1993-10-13
EP0565397B1 (de) 1997-06-11
CA2093787C (en) 2004-09-28
CA2093787A1 (en) 1993-10-11
ES2103445T3 (es) 1997-09-16
JP3474603B2 (ja) 2003-12-08
DK0565397T3 (da) 1997-07-21
DE69311428D1 (de) 1997-07-17

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