FR1274886A - Procédé et appareil pour la fabrication de tubes en polytétrafluoroéthylène fritté - Google Patents

Procédé et appareil pour la fabrication de tubes en polytétrafluoroéthylène fritté

Info

Publication number
FR1274886A
FR1274886A FR845805A FR845805A FR1274886A FR 1274886 A FR1274886 A FR 1274886A FR 845805 A FR845805 A FR 845805A FR 845805 A FR845805 A FR 845805A FR 1274886 A FR1274886 A FR 1274886A
Authority
FR
France
Prior art keywords
manufacture
sintered polytetrafluoroethylene
polytetrafluoroethylene tubes
tubes
sintered
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
FR845805A
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.)
Resistoflex Corp
Original Assignee
Resistoflex Corp
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 Resistoflex Corp filed Critical Resistoflex Corp
Application granted granted Critical
Publication of FR1274886A publication Critical patent/FR1274886A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR845805A 1959-12-09 1960-12-02 Procédé et appareil pour la fabrication de tubes en polytétrafluoroéthylène fritté Expired FR1274886A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US858530A US3085290A (en) 1959-12-09 1959-12-09 Method and apparatus for producing large diameter thin wall tubing of polytetrafluoroethylene

Publications (1)

Publication Number Publication Date
FR1274886A true FR1274886A (fr) 1961-10-27

Family

ID=25328530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845805A Expired FR1274886A (fr) 1959-12-09 1960-12-02 Procédé et appareil pour la fabrication de tubes en polytétrafluoroéthylène fritté

Country Status (3)

Country Link
US (1) US3085290A (fr)
FR (1) FR1274886A (fr)
GB (1) GB918683A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334868A (en) * 1976-09-13 1978-03-31 Sumitomo Electric Industries Fine porous tube
GB2146571B (en) * 1983-09-12 1987-12-23 Yen Wei Hsiung Apparatus for heating the end of a plastic pipe
CA1285114C (fr) * 1985-12-24 1991-06-25 Ellis Fabian Systeme extrudeur
US4698196A (en) * 1985-12-24 1987-10-06 Xerox Corporation Method and apparatus for extruding creaseless thin walled tubes
US5110526A (en) * 1988-09-22 1992-05-05 Nippon Valqua Industries, Ltd. Process for producing molded articles of polytetrafluoroethylene resin
US6530765B1 (en) 1994-03-10 2003-03-11 Meadox Medicals, Inc. Apparatus for manufacturing expanded polytetrafluoroethylene products
US5505887A (en) * 1994-03-10 1996-04-09 Meadox Medicals, Inc. Extrusion process for manufacturing PTFE products
ATE406146T1 (de) * 2000-11-22 2008-09-15 Bard Peripheral Vascular Inc Verfahren zur herstellung einer röhrenförmigen struktur aus expandiertem polytetrafluorethylen mit mikrowand hoher dichte

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1595811A (en) * 1926-08-10 Pressure and heat
US2631351A (en) * 1953-03-17 Apparatus for molding tubular
US2456621A (en) * 1946-08-17 1948-12-21 Du Pont Method of extruding polytetrafluoroethylene and coating articles therewith
US2810934A (en) * 1950-09-06 1957-10-29 Plax Corp Method of making plastic bottles
LU35018A1 (fr) * 1955-03-08 1900-01-01
NL212967A (fr) * 1955-12-27 1900-01-01
US2938235A (en) * 1956-12-28 1960-05-31 Resistoflex Corp Method and apparatus for sintering polytetrafluoroethylene tubing

Also Published As

Publication number Publication date
US3085290A (en) 1963-04-16
GB918683A (en) 1963-02-13

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