CH292165A - Verfahren zur Herstellung von mindestens teilweise aus einem Polymerisationsprodukt des Tetrafluoräthylens bestehenden blattförmigen Gegenständen. - Google Patents

Verfahren zur Herstellung von mindestens teilweise aus einem Polymerisationsprodukt des Tetrafluoräthylens bestehenden blattförmigen Gegenständen.

Info

Publication number
CH292165A
CH292165A CH292165DA CH292165A CH 292165 A CH292165 A CH 292165A CH 292165D A CH292165D A CH 292165DA CH 292165 A CH292165 A CH 292165A
Authority
CH
Switzerland
Prior art keywords
tetrafluoroethylene
partially
sheet
production
polymerization product
Prior art date
Application number
Other languages
English (en)
Inventor
Limited Rolls-Royce
Original Assignee
Rolls Royce
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
Priority claimed from GB26884/53A external-priority patent/GB708049A/en
Application filed by Rolls Royce filed Critical Rolls Royce
Publication of CH292165A publication Critical patent/CH292165A/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
    • 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
    • B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking 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
    • 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
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding 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
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/26—Non-fibrous reinforcements only
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/20—Inserts
    • B29K2105/206—Meshes, lattices or nets
    • 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
    • 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
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • 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
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • 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
    • Y10S264/50—Use of fluid pressure in molding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
CH292165D 1950-01-26 1951-01-25 Verfahren zur Herstellung von mindestens teilweise aus einem Polymerisationsprodukt des Tetrafluoräthylens bestehenden blattförmigen Gegenständen. CH292165A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB26884/53A GB708049A (en) 1950-01-26 1950-01-26 Improvements in or relating to articles consisting essentially of a polymer of tetrafluoroethylene and to the manufacture thereof
GB240151X 1951-01-24

Publications (1)

Publication Number Publication Date
CH292165A true CH292165A (de) 1953-07-31

Family

ID=26256841

Family Applications (1)

Application Number Title Priority Date Filing Date
CH292165D CH292165A (de) 1950-01-26 1951-01-25 Verfahren zur Herstellung von mindestens teilweise aus einem Polymerisationsprodukt des Tetrafluoräthylens bestehenden blattförmigen Gegenständen.

Country Status (4)

Country Link
US (1) US2710991A (de)
CH (1) CH292165A (de)
FR (1) FR1033616A (de)
GB (1) GB707966A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199972B (de) * 1956-11-20 1965-09-02 Montedison Spa Verfahren zur Herstellung von mikro-poroesen gasdurchlaessigen Erzeugnissen aus Polytetrafluoraethylen
DE1218141B (de) * 1957-05-07 1966-06-02 Boris Carnaut Verfahren zur Herstellung von Platten oder Folien aus Koernern von thermoplastischen Kunststoffen
DE1231420B (de) * 1960-10-22 1966-12-29 Continental Gummi Werke Ag Verfahren und Vorrichtung zum Herstellen von Faltenbaelgen aus pulverfoermigen, sinterfaehigen Kunststoffen
DE102007019447B4 (de) * 2007-04-25 2009-05-07 Spinner Gmbh Hochfrequenzbauteil mit geringen dielektrischen Verlusten

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928134A (en) * 1954-01-25 1960-03-15 Siemens Edison Swan Ltd Manufacture of synthetic plastic material
US2847711A (en) * 1954-08-10 1958-08-19 Grinnell Corp Method of treating polytetrafluoroethylene and to polytetrafluoroethylene so treated
US2929109A (en) * 1954-12-30 1960-03-22 Charles N Cresap Method for molding pulverulent material
US2960724A (en) * 1956-03-09 1960-11-22 Houilleres Du Nord Ets Process for preparing, by a mechanical way, polyethylenes with homogeneous physico-chemical properties
BE564360A (de) * 1957-01-30
US3096145A (en) * 1957-05-07 1963-07-02 Carnaut Boris Process of making plates and sheets of polyvinyl chloride fragments by a simultaneous heat and pressure treatment
US3060517A (en) * 1959-08-18 1962-10-30 Du Pont Fabrication of massive shaped articles of polytetrafluoroethylene
US3058166A (en) * 1960-03-21 1962-10-16 Du Pont Process for making porous articles from fluoroethylene polymers
US3960651A (en) * 1963-10-14 1976-06-01 Daikin Kogyo Co., Ltd. Reinforced air-pervious polytetrafluorothylene sheet
US3480707A (en) * 1965-10-07 1969-11-25 Resistoflex Corp Production of p.t.f.e. tubing
JPS529490A (en) * 1975-07-14 1977-01-25 Horiba Ltd Liquid penetrating portion of reference electrode
US4375441A (en) * 1980-12-18 1983-03-01 The Standard Oil Company Method for producing sintered porous polymeric articles
JP5644017B2 (ja) * 2010-01-20 2014-12-24 曙ブレーキ工業株式会社 樹脂ピストンの成形方法及び樹脂ピストンの製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1146413A (en) * 1911-12-20 1915-07-13 New Jersey Patent Co Method for producing tablets for sound-records.
US2070023A (en) * 1930-02-19 1937-02-09 Celluloid Corp Process of embossing or decorating cellulosic plastics
US2276035A (en) * 1940-07-24 1942-03-10 Westinghouse Electric & Mfg Co Method of molding laminated articles
US2267372A (en) * 1940-09-05 1941-12-23 Chrysler Corp Powdered metal product
US2368717A (en) * 1943-05-17 1945-02-06 Mcdonnell Aircraft Corp Compression mold
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
US2578209A (en) * 1949-11-30 1951-12-11 Art Electrotype Company Method of making molds for electrotypes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199972B (de) * 1956-11-20 1965-09-02 Montedison Spa Verfahren zur Herstellung von mikro-poroesen gasdurchlaessigen Erzeugnissen aus Polytetrafluoraethylen
DE1218141B (de) * 1957-05-07 1966-06-02 Boris Carnaut Verfahren zur Herstellung von Platten oder Folien aus Koernern von thermoplastischen Kunststoffen
DE1231420B (de) * 1960-10-22 1966-12-29 Continental Gummi Werke Ag Verfahren und Vorrichtung zum Herstellen von Faltenbaelgen aus pulverfoermigen, sinterfaehigen Kunststoffen
DE102007019447B4 (de) * 2007-04-25 2009-05-07 Spinner Gmbh Hochfrequenzbauteil mit geringen dielektrischen Verlusten

Also Published As

Publication number Publication date
GB707966A (en) 1954-04-28
FR1033616A (fr) 1953-07-13
US2710991A (en) 1955-06-21

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