DE3778831D1 - Verfahren zum extrudieren und zur dehnung von polytetrafluorethylen-rohren und erzeugte produkte. - Google Patents
Verfahren zum extrudieren und zur dehnung von polytetrafluorethylen-rohren und erzeugte produkte.Info
- Publication number
- DE3778831D1 DE3778831D1 DE8787309673T DE3778831T DE3778831D1 DE 3778831 D1 DE3778831 D1 DE 3778831D1 DE 8787309673 T DE8787309673 T DE 8787309673T DE 3778831 T DE3778831 T DE 3778831T DE 3778831 D1 DE3778831 D1 DE 3778831D1
- Authority
- DE
- Germany
- Prior art keywords
- degrees
- tube
- angle
- tip
- groove
- 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 - Lifetime
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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
-
- 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
- Y10S138/00—Pipes and tubular conduits
- Y10S138/03—Polytetrafluoroethylene, i.e. PTFE
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1376—Foam or porous material containing
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/930,411 US4743480A (en) | 1986-11-13 | 1986-11-13 | Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3778831D1 true DE3778831D1 (de) | 1992-06-11 |
Family
ID=25459304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787309673T Expired - Lifetime DE3778831D1 (de) | 1986-11-13 | 1987-11-02 | Verfahren zum extrudieren und zur dehnung von polytetrafluorethylen-rohren und erzeugte produkte. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4743480A (de) |
EP (1) | EP0267719B1 (de) |
JP (1) | JPH0715022B2 (de) |
AT (1) | ATE75654T1 (de) |
AU (2) | AU600730B2 (de) |
CA (1) | CA1311590C (de) |
DE (1) | DE3778831D1 (de) |
DK (1) | DK590087A (de) |
GB (1) | GB2197870A (de) |
Families Citing this family (118)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4982056A (en) * | 1981-08-20 | 1991-01-01 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxide |
US4977025A (en) * | 1981-08-20 | 1990-12-11 | E. I Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US5000547A (en) * | 1981-08-20 | 1991-03-19 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4999248A (en) * | 1981-08-20 | 1991-03-12 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4973142A (en) * | 1981-08-20 | 1990-11-27 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4977297A (en) * | 1981-08-20 | 1990-12-11 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4977008A (en) * | 1981-08-20 | 1990-12-11 | E. I Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4975505A (en) * | 1981-08-20 | 1990-12-04 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4977026A (en) * | 1981-08-20 | 1990-12-11 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
JPS5838707A (ja) * | 1981-08-20 | 1983-03-07 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | パ−フルオロ−2,2−ジメチル−1,3−ジオキソ−ルの無定形共重合体 |
US4985308A (en) * | 1981-08-20 | 1991-01-15 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US5006382A (en) * | 1981-08-20 | 1991-04-09 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
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ES2133393T3 (es) * | 1992-03-13 | 1999-09-16 | Atrium Medical Corp | Productos de fluoropolimeros (por ejemplo, politetrafluoroetileno) expandidos de porosidad controlada y su fabricacion. |
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JPH09501583A (ja) * | 1993-08-18 | 1997-02-18 | ダブリュ.エル.ゴア アンド アソシエイツ,インコーポレイティド | チューブ状の管腔内移植片 |
FR2710286B1 (fr) * | 1993-09-22 | 1995-12-08 | Plastic Omnium Cie | Corps creux en résine fluorée, procédé pour sa fabrication et presse à extruder pour la mise en Óoeuvre du procédé. |
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US6530765B1 (en) | 1994-03-10 | 2003-03-11 | Meadox Medicals, Inc. | Apparatus for manufacturing expanded polytetrafluoroethylene products |
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EP1582181A3 (de) | 1994-06-27 | 2010-04-21 | Bard Peripheral Vascular, Inc. | Radial expandierbares Polytetrafluorethylen und daraus geformte expandierbare endovakuläre Stents |
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JP6313450B2 (ja) | 2013-08-29 | 2018-04-18 | テレフレックス メディカル インコーポレイテッド | 高強度マルチコンポーネント縫合糸 |
US9814560B2 (en) | 2013-12-05 | 2017-11-14 | W. L. Gore & Associates, Inc. | Tapered implantable device and methods for making such devices |
WO2016071823A1 (en) * | 2014-11-03 | 2016-05-12 | Nappi Francesco | Bio-resorbable reticular prosthesis and related manufacturing method |
EP3215069B1 (de) | 2014-11-04 | 2023-03-08 | Spinal Stabilization Technologies LLC | Perkutane implantierbare nuklearprothese |
EP3215067B1 (de) | 2014-11-04 | 2020-06-10 | Spinal Stabilization Technologies LLC | Perkutane implantierbare nuklearprothese |
CN107666882B (zh) | 2015-06-05 | 2020-01-10 | W.L.戈尔及同仁股份有限公司 | 带有渐缩部的低渗血量可植入假体 |
PL3344156T3 (pl) | 2015-09-01 | 2020-07-27 | Spinal Stabilization Technologies Llc | Wszczepialna proteza jądra miażdżystego |
US9486323B1 (en) | 2015-11-06 | 2016-11-08 | Spinal Stabilization Technologies Llc | Nuclear implant apparatus and method following partial nuclectomy |
CN105881863B (zh) * | 2016-05-13 | 2018-06-15 | 宁波昌祺氟塑料制品有限公司 | 用于压延膜挤出的扁口模 |
CN110248795A (zh) * | 2016-12-27 | 2019-09-17 | 沙特基础工业全球技术公司 | 用于性质增强的新模具设计 |
KR20210070985A (ko) | 2018-09-04 | 2021-06-15 | 스파이널 스태빌라이제이션 테크놀로지스, 엘엘씨 | 임플란트 가능한 핵 보철물, 키트, 및 관련 방법 |
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US3008187A (en) * | 1959-01-05 | 1961-11-14 | Raybestos Manhattan Inc | Method and apparatus for extruding polytetrafluoroethylene tubing |
DE1218706B (de) * | 1961-02-23 | 1966-06-08 | Continental Gummi Werke Ag | Strangpresskopf zum Herstellen von Rohren oder Schlaeuchen aus thermoplastischen Kunststoffen, insbesondere aus halogenhaltigen AEthylenpolymeren |
GB975633A (en) * | 1961-10-09 | 1964-11-18 | Raybestos Manhattan Inc | Method and apparatus for making polytetrafluoroethylene tubing |
DE1753491B1 (de) * | 1962-05-24 | 1970-08-06 | Continental Gummi Werke Ag | Strangpresskopf zum Herstellen von Hohlkoerpern aus thermoplastischen Kunststoffen |
US3256560A (en) * | 1964-04-07 | 1966-06-21 | Continental Can Co | Die for three-way oriented extrudate |
SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
CA1081422A (en) * | 1975-12-15 | 1980-07-15 | Koichi Okita | Extrusion process of polytetrafluoroethylene tubing materials and apparatus therefore |
JPS52132078A (en) * | 1976-04-29 | 1977-11-05 | Sumitomo Electric Industries | Porous ethylene tetrafluoride resin tube and method of its manufacturing |
US4082893A (en) * | 1975-12-24 | 1978-04-04 | Sumitomo Electric Industries, Ltd. | Porous polytetrafluoroethylene tubings and process of producing them |
JPS5289298A (en) * | 1976-01-21 | 1977-07-26 | Sumitomo Electric Industries | Blood vessel prosthetics of tetrafluoroethylene resin |
JPS603842B2 (ja) * | 1976-09-03 | 1985-01-31 | 住友電気工業株式会社 | 非対称孔径薄膜材料とその製造方法 |
CA1147109A (en) * | 1978-11-30 | 1983-05-31 | Hiroshi Mano | Porous structure of polytetrafluoroethylene and process for production thereof |
JPS5582884A (en) * | 1978-12-19 | 1980-06-21 | Olympus Optical Co | Flexible tube and its manufacture |
US4478665A (en) * | 1980-11-06 | 1984-10-23 | W. L. Gore & Associates, Inc. | Method for manufacturing highly porous, high strength PTFE articles |
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 |
-
1986
- 1986-11-13 US US06/930,411 patent/US4743480A/en not_active Expired - Lifetime
-
1987
- 1987-06-12 AU AU74176/87A patent/AU600730B2/en not_active Expired - Fee Related
- 1987-08-10 JP JP19836487A patent/JPH0715022B2/ja not_active Expired - Lifetime
- 1987-09-17 CA CA 547153 patent/CA1311590C/en not_active Expired - Lifetime
- 1987-11-02 GB GB8725612A patent/GB2197870A/en not_active Withdrawn
- 1987-11-02 DE DE8787309673T patent/DE3778831D1/de not_active Expired - Lifetime
- 1987-11-02 AT AT87309673T patent/ATE75654T1/de not_active IP Right Cessation
- 1987-11-02 EP EP19870309673 patent/EP0267719B1/de not_active Expired - Lifetime
- 1987-11-11 DK DK590087A patent/DK590087A/da not_active Application Discontinuation
-
1990
- 1990-06-06 AU AU56829/90A patent/AU5682990A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA1311590C (en) | 1992-12-22 |
EP0267719A2 (de) | 1988-05-18 |
AU600730B2 (en) | 1990-08-23 |
ATE75654T1 (de) | 1992-05-15 |
JPH0715022B2 (ja) | 1995-02-22 |
EP0267719A3 (en) | 1988-12-28 |
EP0267719B1 (de) | 1992-05-06 |
US4743480A (en) | 1988-05-10 |
GB8725612D0 (en) | 1987-12-09 |
AU7417687A (en) | 1988-05-19 |
GB2197870A (en) | 1988-06-02 |
AU5682990A (en) | 1990-09-27 |
DK590087D0 (da) | 1987-11-11 |
JPS63139926A (ja) | 1988-06-11 |
DK590087A (da) | 1988-05-14 |
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