DE68909097T2 - Verfahren zum Verbinden von einem ersten Gegenstand aus Kunststoff und einem zweiten Gegenstand durch Nieten. - Google Patents

Verfahren zum Verbinden von einem ersten Gegenstand aus Kunststoff und einem zweiten Gegenstand durch Nieten.

Info

Publication number
DE68909097T2
DE68909097T2 DE89401159T DE68909097T DE68909097T2 DE 68909097 T2 DE68909097 T2 DE 68909097T2 DE 89401159 T DE89401159 T DE 89401159T DE 68909097 T DE68909097 T DE 68909097T DE 68909097 T2 DE68909097 T2 DE 68909097T2
Authority
DE
Germany
Prior art keywords
riveting
plastic
plastic object
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 - Fee Related
Application number
DE89401159T
Other languages
English (en)
Other versions
DE68909097D1 (de
Inventor
Bortoli Lucio De
Eric Noirez
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Application granted granted Critical
Publication of DE68909097D1 publication Critical patent/DE68909097D1/de
Publication of DE68909097T2 publication Critical patent/DE68909097T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/304Joining through openings in an intermediate part of the article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60Riveting or staking
    • B29C65/606Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B29C65/608Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking the integral rivets being pushed in blind holes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1244Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1246Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12469Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312Single flange to flange joints, the parts to be joined being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/51Joining 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
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/71General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005Body finishings
    • B29L2031/3014Door linings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
DE89401159T 1988-04-27 1989-04-24 Verfahren zum Verbinden von einem ersten Gegenstand aus Kunststoff und einem zweiten Gegenstand durch Nieten. Expired - Fee Related DE68909097T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8805627A FR2630670B1 (fr) 1988-04-27 1988-04-27 Procede d'assemblage par rivetage et soudure aux ultrasons de deux pieces

Publications (2)

Publication Number Publication Date
DE68909097D1 DE68909097D1 (de) 1993-10-21
DE68909097T2 true DE68909097T2 (de) 1994-01-13

Family

ID=9365749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89401159T Expired - Fee Related DE68909097T2 (de) 1988-04-27 1989-04-24 Verfahren zum Verbinden von einem ersten Gegenstand aus Kunststoff und einem zweiten Gegenstand durch Nieten.

Country Status (3)

Country Link
EP (1) EP0340094B1 (de)
DE (1) DE68909097T2 (de)
FR (1) FR2630670B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10102778A1 (de) * 2001-01-23 2002-07-25 Daimler Chrysler Ag Verbindung zwischen Metall- und Kunststoffplatten durch Verschweißen
DE10150791A1 (de) * 2001-10-15 2003-06-05 Johnson Controls Gmbh PUR-Schaumabdichtung
DE102005057891A1 (de) * 2005-12-02 2007-06-06 Gkss-Forschungszentrum Geesthacht Gmbh Verfahren und Vorrichtung zum Verbinden eines Kunstoff-Werkstücks mit einem weiteren Werkstück
DE102008056756A1 (de) * 2008-11-11 2010-05-12 Euwe Eugen Wexler Gmbh Lüftungsklappenanordnung
DE102010042163A1 (de) * 2010-10-07 2012-04-12 Gessmann Gmbh & Co. Kg Entlüftungseinrichtung
DE102011121322A1 (de) 2011-12-15 2013-06-20 Markus Weber Montagevorrichtung für Zierleisten

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267357B1 (it) * 1994-12-23 1997-01-28 Fiat Auto Spa Metodo di unione per saldatura tra elementi diversi.
ATE335588T1 (de) * 2004-03-12 2006-09-15 Borealis Tech Oy Verfahren zum verbinden durch biegen von kunststoff- und metallteile ohne weitere verbindungselemente
DE102007016323A1 (de) * 2007-04-04 2008-10-09 Kaltenbach & Voigt Gmbh Vibrationsinstrument zum Setzen eines Verbindungselements
US8425706B2 (en) * 2010-02-25 2013-04-23 GM Global Technology Operations LLC Joint design for welding plastic assemblies
US9321099B1 (en) 2013-07-30 2016-04-26 The Boeing Company Ultrasonic riveting tool and method
EP2886305B1 (de) 2013-12-20 2018-05-30 LANXESS Deutschland GmbH Verbindungsverfahren
CN116618815B (zh) * 2023-07-25 2024-04-09 宁波九刃科技有限公司 一种异种金属压铆焊装置及方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1332394A (en) * 1918-03-14 1920-03-02 Ncr Co Method of electric welding
GB567418A (en) * 1942-12-12 1945-02-13 Gen Motors Corp An improved method of securing together materials which are not capable ordinarily of being united by welding
US2362902A (en) * 1943-06-21 1944-11-14 Astrid J Jansen Lock joint
FR1101391A (fr) * 1954-05-26 1955-10-05 Procédé d'assemblage de plaques, tôles ou autres pièces et assemblages obtenus suivant ce procédé ou procédé similaire
FR1137967A (fr) * 1955-12-02 1957-06-06 Plastiques Soc D Expl Des Perfectionnements à la fixation d'un ruban élastique sur des articles en résine synthétique
DE1471759A1 (de) * 1964-04-04 1969-12-18 Bosch Gmbh Robert Kunststoffverbindung zum fluessigkeitsdichten Verschweissen thermoplastischer Kunststoffteile
FR2071122A5 (de) * 1969-12-18 1971-09-17 Bolle Jean
DE2132992A1 (de) * 1970-08-10 1972-02-17 Masch Und Appbau Grimma Veb Ventil fuer Stoffaustausch in Kolonnen
FR2132992A5 (de) * 1971-04-05 1972-11-24 Ducellier & Cie
FR2135058A1 (en) * 1971-05-04 1972-12-15 Aerospatiale Partially transparent structures - of polycarbonate film over a lightweight abs frame
FR2138503A1 (en) * 1971-05-27 1973-01-05 Mecasonic Sa Ultrasonic fixing to plastics - of eg rivets or electrodes
DE3210310A1 (de) * 1982-03-20 1983-09-22 Alfred Teves Gmbh, 6000 Frankfurt Schweissverbindung zur befestigung eines kunststoffteiles an einem metallteil und verfahren zur herstellung der schweissverbindung
US4574555A (en) * 1983-10-19 1986-03-11 Donn Incorporated Access floor panel with edge trim
JPS60153529A (ja) * 1984-01-20 1985-08-13 Sanyo Electric Co Ltd 操作釦の取付方法
JPS60228131A (ja) * 1984-04-25 1985-11-13 Toyota Motor Corp 異種合成樹脂材料の機械的接合方法
JPS62207629A (ja) * 1986-03-07 1987-09-12 Toyota Motor Corp 超音波接合方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10102778A1 (de) * 2001-01-23 2002-07-25 Daimler Chrysler Ag Verbindung zwischen Metall- und Kunststoffplatten durch Verschweißen
DE10150791A1 (de) * 2001-10-15 2003-06-05 Johnson Controls Gmbh PUR-Schaumabdichtung
DE10150791B4 (de) * 2001-10-15 2006-04-06 Johnson Controls Gmbh PUR-Schaumabdichtung
DE102005057891A1 (de) * 2005-12-02 2007-06-06 Gkss-Forschungszentrum Geesthacht Gmbh Verfahren und Vorrichtung zum Verbinden eines Kunstoff-Werkstücks mit einem weiteren Werkstück
DE102005057891B4 (de) * 2005-12-02 2007-10-18 Gkss-Forschungszentrum Geesthacht Gmbh Verfahren und Vorrichtung zum Verbinden eines Kunstoff-Werkstücks mit einem weiteren Werkstück
US7780432B2 (en) 2005-12-02 2010-08-24 Gkss-Forschungszentrum Geesthacht Gmbh Method and device for connecting a plastic workpiece to a further workpiece
US8025827B2 (en) 2005-12-02 2011-09-27 Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH Method and device for connecting a plastic workpiece to a further workpiece
DE102008056756A1 (de) * 2008-11-11 2010-05-12 Euwe Eugen Wexler Gmbh Lüftungsklappenanordnung
DE102010042163A1 (de) * 2010-10-07 2012-04-12 Gessmann Gmbh & Co. Kg Entlüftungseinrichtung
DE102011121322A1 (de) 2011-12-15 2013-06-20 Markus Weber Montagevorrichtung für Zierleisten

Also Published As

Publication number Publication date
EP0340094A2 (de) 1989-11-02
EP0340094A3 (de) 1991-11-13
FR2630670A1 (fr) 1989-11-03
FR2630670B1 (fr) 1994-04-15
EP0340094B1 (de) 1993-09-15
DE68909097D1 (de) 1993-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee