FR2427315A1 - Continuous mfr. of profiles of fibre reinforced carbon - for structural or surgical applications, by co-extrusion of organic fibres and tar followed by heat treatment - Google Patents

Continuous mfr. of profiles of fibre reinforced carbon - for structural or surgical applications, by co-extrusion of organic fibres and tar followed by heat treatment

Info

Publication number
FR2427315A1
FR2427315A1 FR7815938A FR7815938A FR2427315A1 FR 2427315 A1 FR2427315 A1 FR 2427315A1 FR 7815938 A FR7815938 A FR 7815938A FR 7815938 A FR7815938 A FR 7815938A FR 2427315 A1 FR2427315 A1 FR 2427315A1
Authority
FR
France
Prior art keywords
profiles
tar
extrusion
structural
heat treatment
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.)
Granted
Application number
FR7815938A
Other languages
French (fr)
Other versions
FR2427315B1 (en
Inventor
Michel Brie
Jacques Chatillon
Adolphe Pacault
Daniel Bruno
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7815938A priority Critical patent/FR2427315A1/en
Publication of FR2427315A1 publication Critical patent/FR2427315A1/en
Application granted granted Critical
Publication of FR2427315B1 publication Critical patent/FR2427315B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/3094—Designing or manufacturing processes
    • A61F2/30965—Reinforcing the prosthesis by embedding particles or fibres during moulding or dipping
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/08—Carbon ; Graphite
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/3094—Designing or manufacturing processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00161—Carbon; Graphite
    • 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
    • B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
    • B29K2105/101—Oriented
    • 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
    • B29K2307/00—Use of elements other than metals as reinforcement

Abstract

Profiles of carbon incorporating longitudinally aligned carbon fibres are made by feeding a vertical extrusion die simultaneously with an annular array of carbon-based filaments (polyacrylonitrile) and molten tar and then heat-treating the extrudate to cause carbonisation. The tar may be premixed with a densification agent, such as powdered graphite, a plasticiser, such as wax and/or a blowing agent. Pref. the blowing agent has a decomposition temp. between 700 degrees C and 3000 degrees C, e.g. comprises crystals of salt (NaCl) or copper threads (opt. interlaced with the organic filaments). Used for mfr. of profiles having high specific strength (strength/wt. ratio) and/or high temperature resistance, e.g. for spacers for insulation jackets for atomic reactor cores or for bone prostheses. The profiles are light, strong, pure, sterile and biologically stable.
FR7815938A 1978-05-29 1978-05-29 Continuous mfr. of profiles of fibre reinforced carbon - for structural or surgical applications, by co-extrusion of organic fibres and tar followed by heat treatment Granted FR2427315A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7815938A FR2427315A1 (en) 1978-05-29 1978-05-29 Continuous mfr. of profiles of fibre reinforced carbon - for structural or surgical applications, by co-extrusion of organic fibres and tar followed by heat treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815938A FR2427315A1 (en) 1978-05-29 1978-05-29 Continuous mfr. of profiles of fibre reinforced carbon - for structural or surgical applications, by co-extrusion of organic fibres and tar followed by heat treatment

Publications (2)

Publication Number Publication Date
FR2427315A1 true FR2427315A1 (en) 1979-12-28
FR2427315B1 FR2427315B1 (en) 1982-11-19

Family

ID=9208793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815938A Granted FR2427315A1 (en) 1978-05-29 1978-05-29 Continuous mfr. of profiles of fibre reinforced carbon - for structural or surgical applications, by co-extrusion of organic fibres and tar followed by heat treatment

Country Status (1)

Country Link
FR (1) FR2427315A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000808A1 (en) * 1979-09-25 1981-04-02 M Knight Endoprosthetic bone joint devices
FR2555902A1 (en) * 1983-12-02 1985-06-07 France Implant Est Surgical implants made of a carbon/carbon composite material, usable in particular in orthopaedics and traumatology
FR2565826A1 (en) * 1984-06-19 1985-12-20 Aerospatiale METHOD FOR PRODUCING A SURGICAL IMPLANTABLE PIECE IN AN ORGANISM AND PIECE THUS OBTAINED
EP0436807A1 (en) * 1989-12-14 1991-07-17 Austria Metall Aktiengesellschaft Impregnation nozzle for manufacturing metal-matrix composite material
WO1998038949A1 (en) * 1997-03-04 1998-09-11 Implico B.V. An artefact suitable for use as a bone implant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197466A (en) * 1957-06-28 1959-12-01 Method and apparatus for the manufacture of polyester resin drawn profiles
GB1236015A (en) * 1967-05-15 1971-06-16 Courtaulds Ltd Carbon articles
FR2171414A1 (en) * 1972-02-12 1973-09-21 Sigri Elektrographit Gmbh
DE2426814A1 (en) * 1973-06-05 1975-01-09 Atomic Energy Commission BONE PROSTHESIS AND METHOD OF MANUFACTURING GRAPHITE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197466A (en) * 1957-06-28 1959-12-01 Method and apparatus for the manufacture of polyester resin drawn profiles
GB1236015A (en) * 1967-05-15 1971-06-16 Courtaulds Ltd Carbon articles
FR2171414A1 (en) * 1972-02-12 1973-09-21 Sigri Elektrographit Gmbh
DE2426814A1 (en) * 1973-06-05 1975-01-09 Atomic Energy Commission BONE PROSTHESIS AND METHOD OF MANUFACTURING GRAPHITE

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000808A1 (en) * 1979-09-25 1981-04-02 M Knight Endoprosthetic bone joint devices
FR2555902A1 (en) * 1983-12-02 1985-06-07 France Implant Est Surgical implants made of a carbon/carbon composite material, usable in particular in orthopaedics and traumatology
FR2565826A1 (en) * 1984-06-19 1985-12-20 Aerospatiale METHOD FOR PRODUCING A SURGICAL IMPLANTABLE PIECE IN AN ORGANISM AND PIECE THUS OBTAINED
WO1986000230A1 (en) * 1984-06-19 1986-01-16 Societe Nationale Industrielle Aerospatiale Surgical implant
US4813967A (en) * 1984-06-19 1989-03-21 Societe Nationale Industrielle Aerospatiale Process for forming a piece surgically implantable in an organism and a piece thus obtained
EP0436807A1 (en) * 1989-12-14 1991-07-17 Austria Metall Aktiengesellschaft Impregnation nozzle for manufacturing metal-matrix composite material
WO1998038949A1 (en) * 1997-03-04 1998-09-11 Implico B.V. An artefact suitable for use as a bone implant
US6280478B1 (en) 1997-03-04 2001-08-28 Implico B.V. Artefact suitable for use as a bone implant

Also Published As

Publication number Publication date
FR2427315B1 (en) 1982-11-19

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