JPS647856B2 - - Google Patents

Info

Publication number
JPS647856B2
JPS647856B2 JP51049671A JP4967176A JPS647856B2 JP S647856 B2 JPS647856 B2 JP S647856B2 JP 51049671 A JP51049671 A JP 51049671A JP 4967176 A JP4967176 A JP 4967176A JP S647856 B2 JPS647856 B2 JP S647856B2
Authority
JP
Japan
Prior art keywords
tube
tetrafluoroethylene resin
porous
fibers
fiber
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
JP51049671A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52132078A (en
Inventor
Koichi Okita
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP4967176A priority Critical patent/JPS52132078A/ja
Priority to US05/751,876 priority patent/US4082893A/en
Priority to CA268,375A priority patent/CA1046433A/fr
Priority to DE2658656A priority patent/DE2658656C3/de
Priority to FR7639090A priority patent/FR2336622A1/fr
Priority to GB5399176A priority patent/GB1577326A/en
Publication of JPS52132078A publication Critical patent/JPS52132078A/ja
Priority to US06/047,470 priority patent/US4234535A/en
Publication of JPS647856B2 publication Critical patent/JPS647856B2/ja
Granted legal-status Critical Current

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—Polytetrafluoroethylene
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • 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
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/02—Moulding by agglomerating
    • B29C67/04—Sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Pulmonology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Materials For Medical Uses (AREA)
JP4967176A 1975-12-24 1976-04-29 Porous ethylene tetrafluoride resin tube and method of its manufacturing Granted JPS52132078A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP4967176A JPS52132078A (en) 1976-04-29 1976-04-29 Porous ethylene tetrafluoride resin tube and method of its manufacturing
US05/751,876 US4082893A (en) 1975-12-24 1976-12-17 Porous polytetrafluoroethylene tubings and process of producing them
CA268,375A CA1046433A (fr) 1975-12-24 1976-12-21 Tubes poreux de polytetrafluoroethylene
DE2658656A DE2658656C3 (de) 1975-12-24 1976-12-23 Verfahren zum Herstellen eines porösen Polytetrafluoräthylenschlauches
FR7639090A FR2336622A1 (fr) 1975-12-24 1976-12-24 Tubulures en polytetrafluoroethylene poreux, et leur procede de preparation
GB5399176A GB1577326A (en) 1976-04-29 1977-01-17 Porous polytetrafluoroethylene tubing
US06/047,470 US4234535A (en) 1976-04-29 1979-06-11 Process for producing porous polytetrafluoroethylene tubings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4967176A JPS52132078A (en) 1976-04-29 1976-04-29 Porous ethylene tetrafluoride resin tube and method of its manufacturing

Publications (2)

Publication Number Publication Date
JPS52132078A JPS52132078A (en) 1977-11-05
JPS647856B2 true JPS647856B2 (fr) 1989-02-10

Family

ID=12837624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4967176A Granted JPS52132078A (en) 1975-12-24 1976-04-29 Porous ethylene tetrafluoride resin tube and method of its manufacturing

Country Status (2)

Country Link
JP (1) JPS52132078A (fr)
GB (1) GB1577326A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743480A (en) * 1986-11-13 1988-05-10 W. L. Gore & Associates, Inc. Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby
JP5204384B2 (ja) * 2006-05-19 2013-06-05 富士フイルム株式会社 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター
JP5220369B2 (ja) * 2007-09-04 2013-06-26 富士フイルム株式会社 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
JP2009066552A (ja) * 2007-09-14 2009-04-02 Chung Yuan Christian Univ 非対称膜材の成形方法及びその装置
KR102218062B1 (ko) * 2018-10-18 2021-02-19 주식회사 엘지화학 불소계 수지 다공성 막 및 이의 제조방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
JPS5755063Y2 (fr) * 1974-01-30 1982-11-29

Also Published As

Publication number Publication date
GB1577326A (en) 1980-10-22
JPS52132078A (en) 1977-11-05

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