GB1466183A - Process for producing polytetrafluorethylene tubes - Google Patents

Process for producing polytetrafluorethylene tubes

Info

Publication number
GB1466183A
GB1466183A GB861474A GB861474A GB1466183A GB 1466183 A GB1466183 A GB 1466183A GB 861474 A GB861474 A GB 861474A GB 861474 A GB861474 A GB 861474A GB 1466183 A GB1466183 A GB 1466183A
Authority
GB
United Kingdom
Prior art keywords
tube
ptfe
strip
mandrel
layers
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
Application number
GB861474A
Other languages
English (en)
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.)
Plastic Omnium SE
Original Assignee
Plastic Omnium SE
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 Plastic Omnium SE filed Critical Plastic Omnium SE
Publication of GB1466183A publication Critical patent/GB1466183A/en
Expired 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
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/581—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
    • B29C53/585—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/005—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels the end of an internal lining
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
GB861474A 1973-02-27 1974-02-26 Process for producing polytetrafluorethylene tubes Expired GB1466183A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH282973A CH562098A5 (sv) 1973-02-27 1973-02-27

Publications (1)

Publication Number Publication Date
GB1466183A true GB1466183A (en) 1977-03-02

Family

ID=4242528

Family Applications (1)

Application Number Title Priority Date Filing Date
GB861474A Expired GB1466183A (en) 1973-02-27 1974-02-26 Process for producing polytetrafluorethylene tubes

Country Status (9)

Country Link
JP (1) JPS5925647B2 (sv)
BE (1) BE811436A (sv)
CH (1) CH562098A5 (sv)
DE (1) DE2409178C2 (sv)
ES (1) ES423632A1 (sv)
FR (1) FR2218987B1 (sv)
GB (1) GB1466183A (sv)
IT (1) IT1008971B (sv)
NL (1) NL183230C (sv)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126157A (en) * 1982-08-23 1984-03-21 Dow Chemical Co Preparation of plastic lined pipe and apparatus therefor
US5207960A (en) * 1990-05-30 1993-05-04 Compagnie Plastic Omnium Method for the manufacture of thin tubes of fluorinated resin, particularly of polytetrafluoroethylene
US5336737A (en) * 1989-08-16 1994-08-09 Shell Oil Company Process for the preparation of random copolymers of conjugated dienes and vinyl aromatic compounds
CN1034406C (zh) * 1990-06-23 1997-04-02 尼切亚斯株式会社 四氟乙烯树脂管的成型方法
CN1301846C (zh) * 2002-01-18 2007-02-28 休-电缆/电缆设计技术两合公司 由未烧结的聚四氟乙烯制造卷缠带的方法和卷缠带
WO2008007036A2 (fr) * 2006-07-13 2008-01-17 Compagnie Plastic Omnium Atténuateur de bruit pour conduite de fluide hydraulique, article comprenant cet atténuateur, conduite comprenant cet article et procédé d'assemblage
US8287684B2 (en) 2004-05-27 2012-10-16 Nomaco Inc. Foam welding and profile manufacturing system
CN103174884A (zh) * 2013-03-26 2013-06-26 赵炜 抗静电聚四氟乙烯衬里防腐管道及其制造方法
US9701058B2 (en) * 2015-09-17 2017-07-11 Teadit N.A., Inc. Spiral-wound PTFE gasket and methods of manufacture
CN112361093A (zh) * 2020-11-17 2021-02-12 重庆四通八达管业有限公司 一种植入式预警增强玄武岩纤维复合管道及制备工艺

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478665A (en) * 1980-11-06 1984-10-23 W. L. Gore & Associates, Inc. Method for manufacturing highly porous, high strength PTFE articles
GB2096526A (en) * 1981-02-27 1982-10-20 Junkosha Co Ltd Method of manufacturing porous tetrafluoroethylene tubes
DE3214447C2 (de) * 1982-04-20 1994-05-11 Eilentropp Hew Kabel Ungesintertes Wickelband des Polytetrafluorethylen
US4478898A (en) * 1982-06-04 1984-10-23 Junkosha Co., Ltd. Laminated porous polytetrafluoroethylene tube and its process of manufacture
DE4103540C2 (de) * 1991-02-06 1995-03-09 Eilentropp Hew Kabel Verfahren und Vorrichtung zur Herstellung eines Wickelbandes aus sinterfähigen Kunststoffen
FR2679484B1 (fr) * 1991-07-26 1995-02-17 Plastic Omnium Cie Procede pour la realisation de tubes en resine fluoree, notamment en polytetrafluorethylene.
FR2711090B1 (fr) * 1993-10-15 1996-01-05 Plastic Omnium Cie Procédé de fabrication de tubes en résine fluorée incorporant des fibres.
DE4341859A1 (de) * 1993-12-08 1995-06-29 Plastic Omnium Gmbh Verfahren und Vorrichtung zur Herstellung diffusionsdichter mehrschichtiger Kunststoffrohre
DE19546511A1 (de) 1995-12-13 1997-06-19 Eilentropp Kg Polymergemisch und seine Verwendung für hochtemperaturbeständige Verbindungs- und Dichtungselemente
DE19547031A1 (de) 1995-12-15 1997-06-19 Eilentropp Kg Langgestreckte rohrförmige Hülle
IT1284066B1 (it) * 1996-06-25 1998-05-08 Camillo Scotto Procedimento e impianto per la produzione di tubi in resine termoplastiche di riciclo
EP0990506A1 (en) * 1998-09-29 2000-04-05 O'Connell, Michael Production of lined pipes
DE10152604A1 (de) * 2001-10-25 2003-05-08 Drossbach Gmbh & Co Kg Verfahren und Vorrichtung zum Herstellen einer verstärkten Muffe an einem extrudierten Kunststoffrohr aus thermoplastischem Kunststoff
DE102011055262A1 (de) * 2011-11-11 2013-05-16 Leoni Kabel Holding Gmbh Verfahren und Vorrichtung zur Herstellung eines Wickelbandes
CN106838482A (zh) * 2017-02-08 2017-06-13 江苏龙麒橡塑有限公司 一种地埋式抗静电阻燃复合石油管道
CN109822930B (zh) * 2018-12-31 2021-03-12 枞阳县中邦科技信息咨询有限公司 一种氟塑料泵衬氟管道的生产工艺
CN111823622A (zh) * 2020-05-18 2020-10-27 泰州市季氟隆塑胶制品有限公司 一种聚四氟乙烯管材及其制备方法
CN114230835B (zh) * 2021-11-04 2023-04-14 山东东岳高分子材料有限公司 一种低渗透性聚四氟乙烯管及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941911A (en) * 1955-11-15 1960-06-21 Du Pont Method of forming continuous structures of polytetrafluoroethylene
GB967808A (en) * 1961-12-22 1964-08-26 Compoflex Co Ltd Improvements in or relating to flexible tubing
DE1779905B2 (de) * 1962-05-22 1975-09-18 Raybestos-Manhattan, Inc., Manheim, Pa. (V.St.A.) Tetrafluoräthylenpolymerrohr
CH550675A (de) * 1971-04-29 1974-06-28 Polygest Ag Verfahren zur herstellung von ueberzuegen aus polytetrafluoraethylen und nach diesem verfahren hergestellte produkte.

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126157A (en) * 1982-08-23 1984-03-21 Dow Chemical Co Preparation of plastic lined pipe and apparatus therefor
US5336737A (en) * 1989-08-16 1994-08-09 Shell Oil Company Process for the preparation of random copolymers of conjugated dienes and vinyl aromatic compounds
US5207960A (en) * 1990-05-30 1993-05-04 Compagnie Plastic Omnium Method for the manufacture of thin tubes of fluorinated resin, particularly of polytetrafluoroethylene
CN1034406C (zh) * 1990-06-23 1997-04-02 尼切亚斯株式会社 四氟乙烯树脂管的成型方法
CN1301846C (zh) * 2002-01-18 2007-02-28 休-电缆/电缆设计技术两合公司 由未烧结的聚四氟乙烯制造卷缠带的方法和卷缠带
US8287684B2 (en) 2004-05-27 2012-10-16 Nomaco Inc. Foam welding and profile manufacturing system
WO2008007036A2 (fr) * 2006-07-13 2008-01-17 Compagnie Plastic Omnium Atténuateur de bruit pour conduite de fluide hydraulique, article comprenant cet atténuateur, conduite comprenant cet article et procédé d'assemblage
WO2008007036A3 (fr) * 2006-07-13 2008-02-28 Plastic Omnium Cie Atténuateur de bruit pour conduite de fluide hydraulique, article comprenant cet atténuateur, conduite comprenant cet article et procédé d'assemblage
CN103174884A (zh) * 2013-03-26 2013-06-26 赵炜 抗静电聚四氟乙烯衬里防腐管道及其制造方法
US9701058B2 (en) * 2015-09-17 2017-07-11 Teadit N.A., Inc. Spiral-wound PTFE gasket and methods of manufacture
CN112361093A (zh) * 2020-11-17 2021-02-12 重庆四通八达管业有限公司 一种植入式预警增强玄武岩纤维复合管道及制备工艺

Also Published As

Publication number Publication date
DE2409178C2 (de) 1984-08-30
IT1008971B (it) 1976-11-30
BE811436A (fr) 1974-08-22
ES423632A1 (es) 1977-01-01
FR2218987A1 (sv) 1974-09-20
JPS5925647B2 (ja) 1984-06-20
FR2218987B1 (sv) 1976-10-08
JPS5024368A (sv) 1975-03-15
DE2409178A1 (de) 1974-08-29
NL183230C (nl) 1988-09-01
CH562098A5 (sv) 1975-05-30
NL7402603A (sv) 1974-08-29
NL183230B (nl) 1988-04-05

Similar Documents

Publication Publication Date Title
GB1466183A (en) Process for producing polytetrafluorethylene tubes
US2941911A (en) Method of forming continuous structures of polytetrafluoroethylene
US2964065A (en) Polytetrafluoroethylene tubing and method of making the same
US4203476A (en) Wire reinforced hose
GB1249574A (en) Composite ring seal and method of making the sealing ring and a loading spring for the ring
KR860001356B1 (ko) 열가소성 프라스틱으로 되는 2중 파이프의 제조장치
US3148896A (en) Corrosion proof pipe fitting
US2640501A (en) Tube and its manufacture
US3055967A (en) Coaxial cable with low effective dielectric constant and process of manufacture
JPS58188008A (ja) 高耐熱性プラスチツクからなる巻付け−及び絶縁バンド
GB1167551A (en) Heaters and Methods of Making Same
GB2028965A (en) Thermally insulated pipe
US3093162A (en) Plastic lined perforated metal tube
US4258935A (en) Bell end of a bell and spigot joint
US3207827A (en) Method of making helical article
US2803695A (en) Closed end connector
US3235632A (en) Process for producing biaxially oriented thermoplastic tubular film
US3553042A (en) Tinsel ribbon conductor with tubed polymer insulation and method for making same
US2448485A (en) Hose
US3362861A (en) Method of making electrical insulation of wound layers of paper and dry resin film
US2677765A (en) Antenna element
SU446135A4 (ru) Способ изготовлени электрической катушки из ленточного проводникового материала
GB2051657A (en) Extruder head for applying a foamed plastic insulation to telephone wires
US3073889A (en) Electric submarine cables
JPS5810224B2 (ja) 断熱・遮音パイプの製造方法

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940225