JPS5334868A - Fine porous tube - Google Patents
Fine porous tubeInfo
- Publication number
- JPS5334868A JPS5334868A JP11053676A JP11053676A JPS5334868A JP S5334868 A JPS5334868 A JP S5334868A JP 11053676 A JP11053676 A JP 11053676A JP 11053676 A JP11053676 A JP 11053676A JP S5334868 A JPS5334868 A JP S5334868A
- Authority
- JP
- Japan
- Prior art keywords
- porous tube
- fine porous
- fine
- tube
- porous
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/061—Manufacturing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/04—Tubular membranes
- B01D69/043—Tubular membranes characterised by the tube diameter
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/30—Drawing through a die
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
-
- 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
-
- 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
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7532—Artificial members, protheses
- B29L2031/7534—Cardiovascular protheses
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/919—Sintered product
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11053676A JPS5334868A (en) | 1976-09-13 | 1976-09-13 | Fine porous tube |
GB37394/77A GB1590275A (en) | 1976-09-13 | 1977-09-07 | Microporous tubes and process for producing the same |
CA286,355A CA1099463A (en) | 1976-09-13 | 1977-09-08 | Microporous tubes and process for producing the same |
DE2740759A DE2740759C3 (de) | 1976-09-13 | 1977-09-09 | Mikroporöse Schläuche aus Polytetrafluorethylen und Verfahren zu ihrer Herstellung |
US05/832,267 US4177334A (en) | 1976-09-13 | 1977-09-12 | Microporous tubes |
FR7727459A FR2364107A1 (fr) | 1976-09-13 | 1977-09-12 | Tubes microporeux et procede de fabrication de tels tubes |
US06/041,586 US4250138A (en) | 1976-09-13 | 1979-05-23 | Process for producing microporous tubes of polytetrafluoroethylene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11053676A JPS5334868A (en) | 1976-09-13 | 1976-09-13 | Fine porous tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5334868A true JPS5334868A (en) | 1978-03-31 |
JPS6154578B2 JPS6154578B2 (ja) | 1986-11-22 |
Family
ID=14538290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11053676A Granted JPS5334868A (en) | 1976-09-13 | 1976-09-13 | Fine porous tube |
Country Status (6)
Country | Link |
---|---|
US (2) | US4177334A (ja) |
JP (1) | JPS5334868A (ja) |
CA (1) | CA1099463A (ja) |
DE (1) | DE2740759C3 (ja) |
FR (1) | FR2364107A1 (ja) |
GB (1) | GB1590275A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5553534A (en) * | 1978-10-12 | 1980-04-19 | Sumitomo Electric Ind Ltd | Method of fabricating sealing material |
JPS63126724A (ja) * | 1986-11-17 | 1988-05-30 | Nippon Valqua Ind Ltd | フツ素樹脂製ロツドの製造方法 |
US6627277B1 (en) | 1997-08-21 | 2003-09-30 | Daikin Industries Ltd. | Polytetrafluoroethylene tubing and extruder for the production thereof |
JP2012166201A (ja) * | 2010-03-04 | 2012-09-06 | Sekisui Chem Co Ltd | 高分子水処理膜及びその製造方法並びに水処理方法 |
JP2013052338A (ja) * | 2011-09-02 | 2013-03-21 | Sekisui Chem Co Ltd | 水処理装置及び水処理方法 |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2947743C2 (de) * | 1978-11-30 | 1983-12-08 | Sumitomo Electric Industries, Ltd., Osaka | Einheitliches, poröses röhrenförmiges Gebilde aus Polytetrafluoräthylen |
SE429317B (sv) * | 1980-05-29 | 1983-08-29 | Plm Ab | Sett att astadkomma ett element av polyetylentereftalat eller dermed liknande termoplastmaterial jemte anordning herfor |
JPS58201823A (ja) * | 1982-05-18 | 1983-11-24 | Asahi Glass Co Ltd | イオン交換膜の製造方法 |
CA1216721A (en) * | 1982-08-23 | 1987-01-20 | Norman R. Harlow | Manufacture of low density sintered polytetrafluoroethylene insulated cable |
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 |
FI77880C (fi) * | 1982-09-10 | 1989-05-10 | Gore & Ass | Poroest material bestaoende vaesentligen av en ptfe-polymer. |
US4598011A (en) * | 1982-09-10 | 1986-07-01 | Bowman Jeffery B | High strength porous polytetrafluoroethylene product having a coarse microstructure |
DE3582744D1 (de) * | 1984-03-30 | 1991-06-13 | Nat Res Dev | Rohrfoermige gegenstaende. |
CA1277474C (en) * | 1985-04-02 | 1990-12-11 | Norman Ralph Harlow | Manufacture of low density, sintered polytetrafluoroethylene articles |
US4892539A (en) * | 1988-02-08 | 1990-01-09 | D-R Medical Systems, Inc. | Vascular graft |
JPH026832A (ja) * | 1988-06-24 | 1990-01-11 | Daikin Ind Ltd | 多孔質ポリテトラフルオロエチレン中空糸及びその製法 |
US4973609A (en) * | 1988-11-17 | 1990-11-27 | Memron, Inc. | Porous fluoropolymer alloy and process of manufacture |
EP0377067A1 (de) * | 1989-01-05 | 1990-07-11 | W.L. Gore & Associates GmbH | Sperrvorrichtung für abgedichtete Gehäuse |
US4999146A (en) * | 1990-02-12 | 1991-03-12 | Thermax Wire Corp. | Process for manufacture of low density polytetrofluoroethylene insulated cable |
JP2881939B2 (ja) * | 1990-04-06 | 1999-04-12 | 住友電気工業株式会社 | 手術用縫合糸及びその製造方法 |
ES2133393T3 (es) * | 1992-03-13 | 1999-09-16 | Atrium Medical Corp | Productos de fluoropolimeros (por ejemplo, politetrafluoroetileno) expandidos de porosidad controlada y su fabricacion. |
US6027779A (en) * | 1993-08-18 | 2000-02-22 | W. L. Gore & Associates, Inc. | Thin-wall polytetrafluoroethylene tube |
US6025044A (en) * | 1993-08-18 | 2000-02-15 | W. L. Gore & Associates, Inc. | Thin-wall polytetrafluoroethylene tube |
JPH09501585A (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 | 薄肉でシームレスの多孔質ポリテトラフルオロエチレンチューブ |
US6159565A (en) * | 1993-08-18 | 2000-12-12 | W. L. Gore & Associates, Inc. | Thin-wall intraluminal graft |
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. |
US5609624A (en) * | 1993-10-08 | 1997-03-11 | Impra, Inc. | Reinforced vascular graft and method of making same |
US5505887A (en) * | 1994-03-10 | 1996-04-09 | Meadox Medicals, Inc. | Extrusion process for manufacturing PTFE products |
US6530765B1 (en) | 1994-03-10 | 2003-03-11 | Meadox Medicals, Inc. | Apparatus for manufacturing expanded polytetrafluoroethylene products |
WO1995030538A1 (en) | 1994-05-06 | 1995-11-16 | Endomed, Inc. | Radially expandable polytetrafluoroethylene |
ES2199993T3 (es) * | 1994-06-13 | 2004-03-01 | Endomed, Inc. | Injerto endovascular expansible y metodo para su formacion. |
EP0767684B1 (en) * | 1994-06-27 | 2005-05-25 | Bard Peripheral Vascular, Inc. | Radially expandable polytetrafluoroethylene and expandable endovascular stents formed therewith |
SE523785C2 (sv) | 1995-02-07 | 2004-05-18 | Plastech Aps | Metod och anordning för att framställa en rörformad behållare med tillslutningsorgan |
EP0840577B1 (en) * | 1995-07-07 | 2005-08-24 | W.L. GORE & ASSOCIATES, INC. | Interior liner for tubes, pipes and blood conduits |
US6428571B1 (en) | 1996-01-22 | 2002-08-06 | Scimed Life Systems, Inc. | Self-sealing PTFE vascular graft and manufacturing methods |
US5800512A (en) * | 1996-01-22 | 1998-09-01 | Meadox Medicals, Inc. | PTFE vascular graft |
US6174473B1 (en) | 1998-07-27 | 2001-01-16 | E.I. Du Pont De Nemours And Company | Paste extrusion method |
DE69811085T2 (de) * | 1997-08-07 | 2003-10-30 | Du Pont | Pastenextrusionsverfahren und -artikel, und extrusionsköpfe für dieses verfahren |
US6383427B2 (en) * | 1997-12-24 | 2002-05-07 | Asahi Glass Company, Ltd. | Process for producing an electric double layer capacitor electrode |
US6517571B1 (en) | 1999-01-22 | 2003-02-11 | Gore Enterprise Holdings, Inc. | Vascular graft with improved flow surfaces |
US6923927B2 (en) * | 2000-10-03 | 2005-08-02 | Atrium Medical Corporation | Method for forming expandable polymers having drugs or agents included therewith |
US6616876B1 (en) * | 2000-10-03 | 2003-09-09 | Atrium Medical Corporation | Method for treating expandable polymer materials |
CA2710960A1 (en) * | 2000-11-22 | 2002-05-30 | Bard Peripheral Vascular, Inc. | Method for producing a single layer high density expanded polytetrafluoroethylene tube |
US6814561B2 (en) * | 2001-10-30 | 2004-11-09 | Scimed Life Systems, Inc. | Apparatus and method for extrusion of thin-walled tubes |
US7597775B2 (en) * | 2001-10-30 | 2009-10-06 | Boston Scientific Scimed, Inc. | Green fluoropolymer tube and endovascular prosthesis formed using same |
WO2003045666A1 (en) * | 2001-11-21 | 2003-06-05 | Atrium Medical Corporation | Method for treating expandable polymer materials and products produced therefrom |
US7789908B2 (en) * | 2002-06-25 | 2010-09-07 | Boston Scientific Scimed, Inc. | Elastomerically impregnated ePTFE to enhance stretch and recovery properties for vascular grafts and coverings |
US20050055085A1 (en) * | 2003-09-04 | 2005-03-10 | Rivron Nicolas C. | Implantable medical devices having recesses |
US20060199265A1 (en) * | 2005-03-02 | 2006-09-07 | Wolf Michael F | Seeding implantable medical devices with cells |
US7759120B2 (en) * | 2005-03-02 | 2010-07-20 | Kps Bay Medical, Inc. | Seeding implantable medical devices with cells |
CN101193954B (zh) | 2005-05-12 | 2011-08-10 | 日东电工株式会社 | 聚四氟乙烯粒子凝集物的制造方法及聚四氟乙烯成形体的制造方法 |
WO2007126087A1 (ja) * | 2006-05-01 | 2007-11-08 | Nitto Denko Corporation | ポリテトラフルオロエチレンシートの製造方法およびポリテトラフルオロエチレン製シールテープの製造方法 |
US8087923B1 (en) | 2007-05-18 | 2012-01-03 | C. R. Bard, Inc. | Extremely thin-walled ePTFE |
CN101961609B (zh) * | 2010-10-15 | 2013-02-06 | 浙江理工大学 | 一种聚四氟乙烯中空纤维拉伸装置 |
US9814560B2 (en) | 2013-12-05 | 2017-11-14 | W. L. Gore & Associates, Inc. | Tapered implantable device and methods for making such devices |
CN110946684B (zh) | 2015-06-05 | 2022-06-03 | 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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS467284A (ja) * | 1970-05-21 | 1971-12-20 | ||
JPS5087454A (ja) * | 1973-12-08 | 1975-07-14 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985918A (en) * | 1959-01-20 | 1961-05-30 | Raybestos Manhattan Inc | Method for forming shaped lengths of tetrafluoroethylene polymers having a cellular structure |
US3085290A (en) * | 1959-12-09 | 1963-04-16 | Resistoflex Corp | Method and apparatus for producing large diameter thin wall tubing of polytetrafluoroethylene |
US3054761A (en) * | 1960-06-22 | 1962-09-18 | Raybestos Manhattan Inc | Extrudable composition comprising tetrafluoroethylene, methyl methacrylate, and a volatile organic lubricant |
US3170858A (en) * | 1962-07-20 | 1965-02-23 | Dow Chemical Co | Process for making tetrafluoroethylene polymers |
US3356108A (en) * | 1963-02-26 | 1967-12-05 | Texas Instruments Inc | Composite tubular articles and method of making same |
US3295166A (en) * | 1963-07-24 | 1967-01-03 | Du Pont | Apparatus for extruding polytetrafluoroethylene tubing and wire coating |
US3629383A (en) * | 1963-10-14 | 1971-12-21 | Yutaka Kometani | Process for making paper and airpervious cardboard or boardlike structures predominantly of polytetrafluoroethylene |
US3281511A (en) * | 1964-05-15 | 1966-10-25 | Gen Plastics Corp | Method of preparing microporous tetrafluoroethylene resin sheets |
US3518332A (en) * | 1967-11-22 | 1970-06-30 | Esb Inc | Method for making thin,microporous fluorocarbon polymer sheet material |
US3962153A (en) * | 1970-05-21 | 1976-06-08 | W. L. Gore & Associates, Inc. | Very highly stretched polytetrafluoroethylene and process therefor |
CA980967A (en) * | 1971-02-03 | 1976-01-06 | Takayuki Katto | Process for producing porous articles of polytetrafluoroethylene |
FR2194545B1 (ja) * | 1972-08-01 | 1976-01-23 | Viennot Pierre Fr | |
US4049589A (en) * | 1973-03-19 | 1977-09-20 | Sumitomo Electric Industries, Ltd. | Porous films of polytetrafluoroethylene and process for producing said films |
-
1976
- 1976-09-13 JP JP11053676A patent/JPS5334868A/ja active Granted
-
1977
- 1977-09-07 GB GB37394/77A patent/GB1590275A/en not_active Expired
- 1977-09-08 CA CA286,355A patent/CA1099463A/en not_active Expired
- 1977-09-09 DE DE2740759A patent/DE2740759C3/de not_active Expired
- 1977-09-12 FR FR7727459A patent/FR2364107A1/fr active Granted
- 1977-09-12 US US05/832,267 patent/US4177334A/en not_active Expired - Lifetime
-
1979
- 1979-05-23 US US06/041,586 patent/US4250138A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS467284A (ja) * | 1970-05-21 | 1971-12-20 | ||
JPS5087454A (ja) * | 1973-12-08 | 1975-07-14 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5553534A (en) * | 1978-10-12 | 1980-04-19 | Sumitomo Electric Ind Ltd | Method of fabricating sealing material |
JPS6117648B2 (ja) * | 1978-10-12 | 1986-05-08 | Sumitomo Electric Industries | |
JPS63126724A (ja) * | 1986-11-17 | 1988-05-30 | Nippon Valqua Ind Ltd | フツ素樹脂製ロツドの製造方法 |
US6627277B1 (en) | 1997-08-21 | 2003-09-30 | Daikin Industries Ltd. | Polytetrafluoroethylene tubing and extruder for the production thereof |
JP2012166201A (ja) * | 2010-03-04 | 2012-09-06 | Sekisui Chem Co Ltd | 高分子水処理膜及びその製造方法並びに水処理方法 |
JP5097298B2 (ja) * | 2010-03-04 | 2012-12-12 | 積水化学工業株式会社 | 高分子水処理膜及びその製造方法並びに水処理方法 |
US9855531B2 (en) | 2010-03-04 | 2018-01-02 | Sekisui Chemical Co., Ltd. | Polymer membrane for water treatment and method for manufacture of same, and water treatment method |
JP2013052338A (ja) * | 2011-09-02 | 2013-03-21 | Sekisui Chem Co Ltd | 水処理装置及び水処理方法 |
Also Published As
Publication number | Publication date |
---|---|
CA1099463A (en) | 1981-04-21 |
DE2740759C3 (de) | 1979-07-26 |
FR2364107A1 (fr) | 1978-04-07 |
FR2364107B1 (ja) | 1981-11-27 |
GB1590275A (en) | 1981-05-28 |
JPS6154578B2 (ja) | 1986-11-22 |
US4250138A (en) | 1981-02-10 |
DE2740759B2 (de) | 1978-11-30 |
DE2740759A1 (de) | 1978-03-30 |
US4177334A (en) | 1979-12-04 |
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---|---|---|
JPS5334868A (en) | Fine porous tube | |
JPS52142369A (en) | Continuous tube type filter | |
JPS53131073A (en) | Cathodeeray tube | |
GB1540015A (en) | Tube filters | |
JPS52132570A (en) | Arc tube | |
JPS52154814A (en) | Improvement of porous substances | |
ZA765973B (en) | Tubular gas filter | |
JPS52143542A (en) | Tube | |
JPS5354343A (en) | Tube plate | |
JPS52104094A (en) | Xxray tube | |
PT65967B (en) | Tube connection | |
JPS5339016A (en) | Holder | |
JPS531219A (en) | Porous combined material | |
GB1553049A (en) | Orthopaedie aid | |
JPS5369575A (en) | Discharge tube | |
JPS5361449A (en) | Hollow builttin block | |
JPS51119028A (en) | Porous lighttweight body | |
JPS5285267A (en) | Porous film | |
JPS5374713A (en) | Porous material | |
JPS5313626A (en) | Porous powder | |
JPS52145666A (en) | Expansion tube | |
JPS5354209A (en) | Porous plug | |
JPS52142373A (en) | Filter tube | |
JPS5297132A (en) | Porous electrode | |
AU3021677A (en) | Tube cells |