CH363480A - Verfahren zur Herstellung von wenigstens auf einem Teil ihrer Länge gekrümmten Gegenständen aus Polytetrafluoräthylenharz - Google Patents

Verfahren zur Herstellung von wenigstens auf einem Teil ihrer Länge gekrümmten Gegenständen aus Polytetrafluoräthylenharz

Info

Publication number
CH363480A
CH363480A CH5015057A CH5015057A CH363480A CH 363480 A CH363480 A CH 363480A CH 5015057 A CH5015057 A CH 5015057A CH 5015057 A CH5015057 A CH 5015057A CH 363480 A CH363480 A CH 363480A
Authority
CH
Switzerland
Prior art keywords
production
length
polytetrafluoroethylene resin
objects made
curved over
Prior art date
Application number
CH5015057A
Other languages
German (de)
English (en)
Inventor
Daniel Schuman Paul
Chu Edward Jing
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
Publication of CH363480A publication Critical patent/CH363480A/de

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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • 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
    • 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular 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
    • B29C48/001—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
    • B29C48/03—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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH5015057A 1956-09-05 1957-09-04 Verfahren zur Herstellung von wenigstens auf einem Teil ihrer Länge gekrümmten Gegenständen aus Polytetrafluoräthylenharz CH363480A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US608135A US2863174A (en) 1956-09-05 1956-09-05 Production of preforms and longitudinally curved articles of polytetrafluoroethyleneresin

Publications (1)

Publication Number Publication Date
CH363480A true CH363480A (de) 1962-07-31

Family

ID=24435196

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5015057A CH363480A (de) 1956-09-05 1957-09-04 Verfahren zur Herstellung von wenigstens auf einem Teil ihrer Länge gekrümmten Gegenständen aus Polytetrafluoräthylenharz

Country Status (8)

Country Link
US (1) US2863174A (en])
BE (1) BE560504A (en])
CH (1) CH363480A (en])
DE (1) DE1133115B (en])
FR (1) FR1188548A (en])
GB (1) GB831754A (en])
LU (1) LU35433A1 (en])
SE (1) SE196220C1 (en])

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU35733A1 (en]) * 1957-01-30
US3008187A (en) * 1959-01-05 1961-11-14 Raybestos Manhattan Inc Method and apparatus for extruding polytetrafluoroethylene tubing
US3176876A (en) * 1961-06-29 1965-04-06 H G Fischer & Co Inc Dispenser for liquids or semi-liquids
DE1260763B (de) * 1961-10-13 1968-02-08 Raybestos Manhattan Inc Verfahren und Vorrichtung zum Herstellen von Schlaeuchen aus Tetrafluoraethylen
US3303252A (en) * 1963-03-19 1967-02-07 Philadelphia Insulated Wire Co Method of forming products extruded from plastic material
US4238538A (en) * 1978-12-21 1980-12-09 E. I. Du Pont De Nemours And Company Method of and apparatus for ram-extrusion of aromatic polyimide and polyamide resins, and shaped articles formed using such method and apparatus
CA1252265A (en) * 1984-03-30 1989-04-11 Ian M. Ward Tubular materials
US5024617A (en) * 1989-03-03 1991-06-18 Wilson-Cook Medical, Inc. Sphincterotomy method and device having controlled bending and orientation
KR100364043B1 (ko) * 2000-06-10 2002-12-11 진인태 임의의 단면형상을 가진 금속곡관과 금속곡봉의 제조장치 및 제조방법
US7163655B2 (en) * 2002-03-28 2007-01-16 Scimed Life Systems, Inc. Method and apparatus for extruding polymers employing microwave energy
JP2005521570A (ja) * 2002-03-28 2005-07-21 シメッド　ライフ　システムズ　インコーポレイテッド 強磁性粒子を用いるポリマー溶接
US6979420B2 (en) 2002-03-28 2005-12-27 Scimed Life Systems, Inc. Method of molding balloon catheters employing microwave energy
US8862203B2 (en) 2003-03-27 2014-10-14 Boston Scientific Scimed Inc. Medical device with temperature modulator for use in magnetic resonance imaging
DE102006035960A1 (de) * 2006-08-02 2008-02-07 Biotronik Vi Patent Ag Vorrichtung zur Herstellung von strangförmigen Gütern
GB202104209D0 (en) * 2021-03-25 2021-05-12 J & D Hudson Ltd PTFE extrusion

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US182611A (en) * 1876-09-26 Improvement in machines for making lead traps and bends
US1949072A (en) * 1931-04-25 1934-02-27 Goodrich Co B F Method of making molded articles from plastic materials
GB624433A (en) * 1944-06-21 1949-06-08 Lavorazione Mat Plast A method and apparatus for manufacturing articles of thermoplastic materials and articles manufactured thereby
US2752321A (en) * 1953-02-27 1956-06-26 Du Pont Lubricating tetrafluoroethylene polymers
GB748117A (en) * 1953-06-24 1956-04-18 Us Rubber Co Improvements in method and apparatus for forming self-sealing inner tube
US2752637A (en) * 1954-07-01 1956-07-03 Resistoflex Corp Extrusion of polytetrafluoroethylene
CH318927A (fr) * 1954-07-15 1957-01-31 Somo Societe Pour Les Metaux O Installation pour façonner un élément courbe en matière thermoplastique synthétique

Also Published As

Publication number Publication date
US2863174A (en) 1958-12-09
DE1133115B (de) 1962-07-12
FR1188548A (fr) 1959-09-23
BE560504A (en]) 1900-01-01
SE196220C1 (en]) 1965-05-18
GB831754A (en) 1960-03-30
LU35433A1 (en]) 1900-01-01

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