FR2445209A1 - Manchon de soudage pyrotechnique pour l'assemblage de pieces moulees, en particulier de tubes, en matiere thermoplastique - Google Patents

Manchon de soudage pyrotechnique pour l'assemblage de pieces moulees, en particulier de tubes, en matiere thermoplastique

Info

Publication number
FR2445209A1
FR2445209A1 FR7931930A FR7931930A FR2445209A1 FR 2445209 A1 FR2445209 A1 FR 2445209A1 FR 7931930 A FR7931930 A FR 7931930A FR 7931930 A FR7931930 A FR 7931930A FR 2445209 A1 FR2445209 A1 FR 2445209A1
Authority
FR
France
Prior art keywords
pyrotechnic
thermoplastic material
molded parts
sleeve
welding sleeve
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.)
Granted
Application number
FR7931930A
Other languages
English (en)
Other versions
FR2445209B1 (fr
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of FR2445209A1 publication Critical patent/FR2445209A1/fr
Application granted granted Critical
Publication of FR2445209B1 publication Critical patent/FR2445209B1/fr
Granted legal-status Critical Current

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
    • 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
    • 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
    • B29C65/022—Particular heating or welding methods not otherwise provided for
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint 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
    • B29C66/1222—Joint 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
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint 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
    • B29C66/1224—Joint 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
    • 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
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/828—Other pressure application arrangements
    • B29C66/8286—Hand placed clamps
    • 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
    • B29C65/66—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined
    • B29C65/68—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by liberation of internal stresses, e.g. shrinking of one of the parts to be joined using auxiliary shrinkable elements
    • 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)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Manchon de soudage pour l'assemblage de pièces moulées, en particulier de tubes, en matière thermoplastique, comportant au moins une charge de chauffage pyrotechnique produisant l'énergie de soudage et enfermée dans une enveloppe en matériau solide disposée dans le manchon. Il est prévu plusieurs charges de chauffage séparées 10 dont chacune est logée individuellement dans une douille 9 de préférence fermée d'un côté et qui sont disposées dans celles-ci réparties à distance les unes des autres sur la périphérie du manchon 1.
FR7931930A 1978-12-30 1979-12-28 Manchon de soudage pyrotechnique pour l'assemblage de pieces moulees, en particulier de tubes, en matiere thermoplastique Granted FR2445209A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782856895 DE2856895A1 (de) 1978-12-30 1978-12-30 Pyrotechnische schweissmuffe zur verbindung von formteilen, insbesondere rohren, aus thermoplastischem kunststoff

Publications (2)

Publication Number Publication Date
FR2445209A1 true FR2445209A1 (fr) 1980-07-25
FR2445209B1 FR2445209B1 (fr) 1982-12-17

Family

ID=6058772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931930A Granted FR2445209A1 (fr) 1978-12-30 1979-12-28 Manchon de soudage pyrotechnique pour l'assemblage de pieces moulees, en particulier de tubes, en matiere thermoplastique

Country Status (7)

Country Link
US (1) US4274662A (fr)
AT (1) AT366805B (fr)
CH (1) CH643480A5 (fr)
DE (1) DE2856895A1 (fr)
FR (1) FR2445209A1 (fr)
IT (1) IT1164794B (fr)
SE (1) SE430771B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525339A1 (fr) * 1991-07-22 1993-02-03 Georg Fischer Rohrleitungssysteme AG Article en matière thermoplastique

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549752A (en) * 1981-08-13 1985-10-29 Umac, Inc. Connector for tubular members
EP0171450A1 (fr) * 1984-08-14 1986-02-19 Österreichische Salen-Kunststoffwerk Gesellschaft m.b.H. Raccord pour tuyaux en matière plastique et procédé de manufacture
CH671444A5 (fr) * 1986-06-25 1989-08-31 Fischer Ag Georg
EP0407340A1 (fr) * 1989-07-06 1991-01-09 Geberit AG Dispositif d'usinage d'un tube à raccorder avec un manchon soudable
DE19620404C1 (de) * 1996-05-21 1997-08-14 Porsche Ag Verkleidungsteil aus nachgiebigem Werkstoff für einen Endbereich eines Fahrzeuges, insbesondere Personenkraftwagen
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
US5690148A (en) * 1996-06-21 1997-11-25 Ziu; Christopher G. Closure fitting and flexibility support assembly for double-containment piping systems
JP3935356B2 (ja) * 2001-02-05 2007-06-20 サーパス工業株式会社 超音波流量計
DE10149301C1 (de) * 2001-10-05 2003-01-02 Joachim Weber Rohrelement aus einem thermoplastischen Kunststoff sowie Verfahren zum Verschweißen von Rohrelementen aus thermoplastischen Kunststoffen
US6976712B2 (en) * 2002-04-17 2005-12-20 Micromold Products Inc. Corrosion-resistant coupling means and methods for using same
US8652290B2 (en) * 2007-04-13 2014-02-18 David G. Haverty Systems and methods for manufacturing composite materials using thermoplastic polymers
GB2451081B (en) * 2007-07-17 2009-09-09 Uponor Innovation Ab Electrofusion fitting
KR20100052352A (ko) * 2008-11-10 2010-05-19 엘지전자 주식회사 연결관 및 이를 포함하는 냉매유동시스템
FR2963654B1 (fr) * 2010-08-06 2013-12-13 Saipem Sa Conduite comportant un chemisage interne et un manchon tubulaire de jonction en matiere plastique
EP2672162A1 (fr) * 2012-06-08 2013-12-11 Georg Fischer Wavin AG Manchon de soudage électrique rainuré
CA2829041C (fr) 2013-09-27 2020-06-09 G.B.D. Corp. Outil d'obturation hermetique de tuyau et procedes d'utilisation
CA2829002C (fr) 2013-09-27 2020-06-09 G.B.D. Corp. Coupe-tube et procedes d'utilisation
CA2828855C (fr) 2013-09-27 2020-06-09 G.B.D. Corp. Procede et appareil pour brancher des tuyaux
CA2829075C (fr) 2013-09-27 2020-09-01 G.B.D. Corp. Materiau de raccordement de tuyaux pour raccorder des tuyaux
DK2902172T3 (en) 2014-01-30 2018-06-14 Plasson Ltd ELECTROFUSION CONNECTOR PART AND PROCESS FOR MANUFACTURING ELECTROFUSION CONNECTOR PART
AU2015200441B2 (en) 2014-01-30 2018-09-13 Plasson Ltd. Electrofusion Coupler Composition
CA2863272C (fr) 2014-09-12 2016-10-18 G.B.D. Corp. Methode de raccordement de tuyaux et raccords
CA2888402C (fr) 2015-04-16 2017-10-31 G.B.D. Corp. Methode de raccordement de tuyaux et raccords dotes d'elements de restriction mecanique
US11231136B2 (en) 2019-07-22 2022-01-25 Ronald V. Andronaco Flangeless coupler fused inside opposing ends of conduits

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1072431B (de) * 1959-12-31 Ing Max Schmid Mannheim Dr Stift zum Aufschweißen auf eine Unterlage
US2961363A (en) * 1956-03-27 1960-11-22 Dow Chemical Co Coupling method for thermoplastic components
GB868528A (en) * 1958-06-26 1961-05-17 Svenska Metallverken Ab Thermoplastic connecting members for pipes and method of preparing them
US3542402A (en) * 1969-04-02 1970-11-24 Catalyst Research Corp Joining articles of thermoplastic resins
FR2124028A5 (en) * 1970-12-21 1972-09-15 Gebert & Cie Plastic welding sleeve - for plastic pipes with boring with annular groove contg self-combustible mass for effecting welding
DE2641588A1 (de) * 1976-09-16 1978-03-23 Dynamit Nobel Ag Verbindungselement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB808725A (en) * 1954-05-26 1959-02-11 Ramsay Olaf St George Improvements in or relating to couplings
US3094452A (en) * 1955-07-23 1963-06-18 Sued West Chemie Gmbh Method of making interlocked welded connections between shaped thermoplastic articles
US3206537A (en) * 1960-12-29 1965-09-14 Schlumberger Well Surv Corp Electrically conductive conduit
SU143282A1 (ru) * 1961-02-23 1961-11-30 С.В. Ехлаков Соединение труб и фитингов из термопластов
US3378672A (en) * 1966-03-18 1968-04-16 Susquehanna Corp Insulated, electrical resistance wire and welding sleeve made therefrom

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1072431B (de) * 1959-12-31 Ing Max Schmid Mannheim Dr Stift zum Aufschweißen auf eine Unterlage
US2961363A (en) * 1956-03-27 1960-11-22 Dow Chemical Co Coupling method for thermoplastic components
GB868528A (en) * 1958-06-26 1961-05-17 Svenska Metallverken Ab Thermoplastic connecting members for pipes and method of preparing them
US3542402A (en) * 1969-04-02 1970-11-24 Catalyst Research Corp Joining articles of thermoplastic resins
FR2124028A5 (en) * 1970-12-21 1972-09-15 Gebert & Cie Plastic welding sleeve - for plastic pipes with boring with annular groove contg self-combustible mass for effecting welding
DE2641588A1 (de) * 1976-09-16 1978-03-23 Dynamit Nobel Ag Verbindungselement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525339A1 (fr) * 1991-07-22 1993-02-03 Georg Fischer Rohrleitungssysteme AG Article en matière thermoplastique

Also Published As

Publication number Publication date
US4274662A (en) 1981-06-23
FR2445209B1 (fr) 1982-12-17
DE2856895A1 (de) 1980-07-17
IT7951201A0 (it) 1979-12-27
DE2856895C2 (fr) 1987-08-06
SE430771B (sv) 1983-12-12
AT366805B (de) 1982-05-10
SE7910720L (sv) 1980-07-01
IT1164794B (it) 1987-04-15
ATA818179A (de) 1981-09-15
CH643480A5 (de) 1984-06-15

Similar Documents

Publication Publication Date Title
FR2445209A1 (fr) Manchon de soudage pyrotechnique pour l'assemblage de pieces moulees, en particulier de tubes, en matiere thermoplastique
FR2365333A1 (fr) Materiaux destines a la realisation de protheses osseuses et protheses internes en ces materiaux
FR2419498A1 (fr) Blindage composite coule
FR2377587A1 (fr) Collecteur parabolique d'energie solaire
FR2447533A1 (fr) Perfectionnements aux douilles pour cartouches
FR2403878A1 (fr) Machine a souffler des corps creux en continu
IT8467832A1 (it) Procedimento per l'effettuazione di un trattamento su pezzi metallici con l'aggiunta di un materiale d'apporto e con l'impiego di un laser di potenza.
FR2379443A1 (fr) Corps creux en matiere thermoplastique
NO782876L (no) Varmebestandige legeringer paa basis av nikkel og krom
ES2025112B3 (es) Procedimiento para la fabricacion de una herramienta para fundicion por inyeccion.
DE69106913D1 (de) Torpedo-Gefechtskopf mit Hohl- und Sprengladung.
FR2374747A1 (fr) Procede pour realiser l'interconnexion des plaques entre elements d'une batterie d'accumulateurs electriques
FR2394192A1 (fr) Prise de courant etanche aux vides pousses
FR2418389A1 (fr) Attenuateur d'energie et son procede de fabrication
BE904148A (fr) Organe d'assemblage
FR2457800B1 (fr) Motocyclette dont l'ensemble moteur, la fourche arriere et l'absorbeur de chocs sont d'un seul tenant
FR2394752A1 (fr) Appareil de chauffage a combustible solide
FR2438243A1 (fr) Element chauffant a energie solaire
FR2360854A1 (fr) Perfectionnements aux revetements refractaires de fours
FR2657473B1 (fr) Bouchon pour fixer de facon etanche un cable electrique a une ouverture.
FR2418525A1 (fr) Melangeur de poudres de combustible nucleaire, pneumatique, a geometrie sure
FR2415250A1 (fr) Valve pour la diffusion separee de deux composants et pour leur melange a l'exterieur de ladite valve
FR2366079A1 (fr) Poche metallurgique a enceinte metallique fragmentee
GB1223834A (en) Improvements relating to rackets
BE1003048A5 (fr) Fut.

Legal Events

Date Code Title Description
ST Notification of lapse