FR1265149A - Méthode de moulage des articles à partir du polytétrafluoréthylène en poudre granulaire - Google Patents

Méthode de moulage des articles à partir du polytétrafluoréthylène en poudre granulaire

Info

Publication number
FR1265149A
FR1265149A FR836085A FR836085A FR1265149A FR 1265149 A FR1265149 A FR 1265149A FR 836085 A FR836085 A FR 836085A FR 836085 A FR836085 A FR 836085A FR 1265149 A FR1265149 A FR 1265149A
Authority
FR
France
Prior art keywords
granular powder
molding articles
polytetrafluoroethylene granular
polytetrafluoroethylene
articles
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
FR836085A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1265149A publication Critical patent/FR1265149A/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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/14—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles in several steps
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/92—Lubricating
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • 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. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/66—Processes of reshaping and reforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR836085A 1959-08-18 1960-08-18 Méthode de moulage des articles à partir du polytétrafluoréthylène en poudre granulaire Expired FR1265149A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US834383A US3060517A (en) 1959-08-18 1959-08-18 Fabrication of massive shaped articles of polytetrafluoroethylene

Publications (1)

Publication Number Publication Date
FR1265149A true FR1265149A (fr) 1961-06-23

Family

ID=25266805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836085A Expired FR1265149A (fr) 1959-08-18 1960-08-18 Méthode de moulage des articles à partir du polytétrafluoréthylène en poudre granulaire

Country Status (4)

Country Link
US (1) US3060517A (fr)
DE (1) DE1214387B (fr)
FR (1) FR1265149A (fr)
GB (1) GB935344A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729171B1 (de) * 1966-01-19 1971-10-28 Imp Smelting Corp Ltd Verfahren zum verarbeiten von polytetrafluoraethylen zu geformten gegenstaenden
FR2434699A1 (fr) * 1978-08-30 1980-03-28 Dunichev Jury Procede de fabrication de pieces de forme compliquee en polytetrafluoro-ethylene

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317641A (en) * 1964-03-11 1967-05-02 Wilbur C Heier Method for molding compounds
US3432587A (en) * 1966-05-06 1969-03-11 United Aircraft Corp Process for preparing polytetrafluoroethylene gaskets
DE1296379C2 (de) * 1966-11-19 1973-03-15 Heck Friedrich Verfahren und Vorrichtung zum Beschichten von Kupplungs- und Bremslamellen-Stuetztraegern mit Sinterreibstoffen
US4018857A (en) * 1973-06-07 1977-04-19 Dorst-Keramikmaschinen-Bau Inh. Otto Dorst U. Dipl.-Ing. Walter Schlegel Method and a device for the production of ceramic mouldings, and more especially of magnetized ferrite mouldings
US6436135B1 (en) 1974-10-24 2002-08-20 David Goldfarb Prosthetic vascular graft
FR2307642A1 (fr) * 1975-04-16 1976-11-12 Ugine Kuhlmann Procede de moulage de polytetrafluorethylene
US4351869A (en) * 1978-05-01 1982-09-28 Cresap Charles N Sintered polymer moldings and composites having altered cross section(s): fluid compacting and sintering process and apparatus for making same
US4598011A (en) * 1982-09-10 1986-07-01 Bowman Jeffery B High strength porous polytetrafluoroethylene product having a coarse microstructure
US4482516A (en) * 1982-09-10 1984-11-13 W. L. Gore & Associates, Inc. Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
US5609624A (en) * 1993-10-08 1997-03-11 Impra, Inc. Reinforced vascular graft and method of making same
US6451047B2 (en) * 1995-03-10 2002-09-17 Impra, Inc. Encapsulated intraluminal stent-graft and methods of making same
US6264684B1 (en) * 1995-03-10 2001-07-24 Impra, Inc., A Subsidiary Of C.R. Bard, Inc. Helically supported graft
US6039755A (en) * 1997-02-05 2000-03-21 Impra, Inc., A Division Of C.R. Bard, Inc. Radially expandable tubular polytetrafluoroethylene grafts and method of making same
US6398803B1 (en) 1999-02-02 2002-06-04 Impra, Inc., A Subsidiary Of C.R. Bard, Inc. Partial encapsulation of stents
US8196279B2 (en) 2008-02-27 2012-06-12 C. R. Bard, Inc. Stent-graft covering process
WO2016100844A1 (fr) * 2014-12-19 2016-06-23 The Texas A&M University System Procédés et compositions améliorés pour la fabrication de fil supraconducteur

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440190A (en) * 1944-03-01 1948-04-20 Du Pont Preparation of nonporous polytetrafluoroethylene articles
US2456262A (en) * 1946-03-29 1948-12-14 Du Pont Fabrication of polytetrafluoroethylene articles
US2644803A (en) * 1949-02-15 1953-07-07 American Cyanamid Co Spinning solutions comprising an acrylonitrile-allyl alcohol copolymer
GB707966A (en) * 1950-01-26 1954-04-28 Rolls Royce Improvements in or relating to articles consisting essentially of a polymer of tetrafluoroethylene and to the manufacture thereof
DE877194C (de) * 1951-11-08 1953-05-21 Heinze Fa R Verfahren zur Herstellung masshaltiger und/oder fliessnahtfreier thermoplastischer Kunststoffkoerper, z. B. Tastenknoepfe, Zahlenrollen od. dgl.
US2928134A (en) * 1954-01-25 1960-03-15 Siemens Edison Swan Ltd Manufacture of synthetic plastic material
US2752637A (en) * 1954-07-01 1956-07-03 Resistoflex Corp Extrusion of polytetrafluoroethylene
US2715617A (en) * 1954-07-29 1955-08-16 Hobart S White Bearing compositions containing polytetrafluoroethylene
US2929109A (en) * 1954-12-30 1960-03-22 Charles N Cresap Method for molding pulverulent material
DE1033404B (de) 1955-10-31 1958-07-03 Dow Chemical Co Verfahren zur Umwandlung von feinteiligen AEthylenpolymerisaten in eine fuer Pressgussverfahren geeignete Form
US2915786A (en) * 1957-07-26 1959-12-08 Continental Diamond Fibre Corp Method for making coherent unsintered plastic tape

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729171B1 (de) * 1966-01-19 1971-10-28 Imp Smelting Corp Ltd Verfahren zum verarbeiten von polytetrafluoraethylen zu geformten gegenstaenden
FR2434699A1 (fr) * 1978-08-30 1980-03-28 Dunichev Jury Procede de fabrication de pieces de forme compliquee en polytetrafluoro-ethylene

Also Published As

Publication number Publication date
US3060517A (en) 1962-10-30
GB935344A (en) 1963-08-28
DE1214387B (de) 1966-04-14

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