DE3276122D1 - Process for the production of string-like porous material - Google Patents

Process for the production of string-like porous material

Info

Publication number
DE3276122D1
DE3276122D1 DE8282303523T DE3276122T DE3276122D1 DE 3276122 D1 DE3276122 D1 DE 3276122D1 DE 8282303523 T DE8282303523 T DE 8282303523T DE 3276122 T DE3276122 T DE 3276122T DE 3276122 D1 DE3276122 D1 DE 3276122D1
Authority
DE
Germany
Prior art keywords
string
production
porous material
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.)
Expired
Application number
DE8282303523T
Other languages
English (en)
Inventor
Okita Koichi
Asako Shigeru
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
Application granted granted Critical
Publication of DE3276122D1 publication Critical patent/DE3276122D1/de
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/08—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons
    • D01F6/12—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
    • 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
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
DE8282303523T 1981-07-04 1982-07-05 Process for the production of string-like porous material Expired DE3276122D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56104758A JPS587334A (ja) 1981-07-04 1981-07-04 紐状多孔質体の製造方法

Publications (1)

Publication Number Publication Date
DE3276122D1 true DE3276122D1 (en) 1987-05-27

Family

ID=14389382

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282303523T Expired DE3276122D1 (en) 1981-07-04 1982-07-05 Process for the production of string-like porous material

Country Status (5)

Country Link
US (1) US4496507A (de)
EP (1) EP0069577B1 (de)
JP (1) JPS587334A (de)
CA (1) CA1192361A (de)
DE (1) DE3276122D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59109534A (ja) * 1982-12-14 1984-06-25 Nitto Electric Ind Co Ltd ポリテトラフルオロエチレン多孔質体
JPS61144333A (ja) * 1984-12-18 1986-07-02 Nok Corp ポリテトラフルオロエチレン多孔質体の製造法
FR2628029B1 (fr) * 1988-03-04 1990-06-08 Rebichon Signode Dispositif d'etirage d'un film de matiere plastique
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
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
EP0630432B1 (de) * 1992-03-13 1999-07-14 Atrium Medical Corporation Gegenstände aus expandiertem fluorpolymer (z. b. polytetrafluorethylen) mit komtrolliert eingestellter porosität, sowie seine herstellung
US5638589A (en) * 1993-02-04 1997-06-17 Phillips; Edwin D. Shoelace and method of making the same
JPH07102413A (ja) * 1993-09-16 1995-04-18 Japan Gore Tex Inc ポリテトラフルオロエチレン糸状物
ATE260757T1 (de) 1994-05-06 2004-03-15 Impra Inc A Subsidiary Of C R Vorrichtung zur behandlung eines körpergefässes
EP0767684B1 (de) * 1994-06-27 2005-05-25 Bard Peripheral Vascular, Inc. Radial expandierbares polytetrafluorethylen und daraus geformte expandierbare endovaskuläre stents
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
CN107427781A (zh) * 2015-03-31 2017-12-01 东丽株式会社 中空丝膜的制造方法
WO2017100570A1 (en) * 2015-12-11 2017-06-15 Kimberly-Clark Worldwide, Inc. Method for forming porous fibers

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1410366A1 (de) * 1959-10-02 1968-10-17 Baussmann Dipl Ing Walter Vorrichtung zur Heissverstreckung von synthetischen Faeden
FR1398746A (fr) * 1963-09-11 1965-05-14 Dispositif pour l'étirage à chaud des fils notamment des fils textiles synthétiques
US3962153A (en) * 1970-05-21 1976-06-08 W. L. Gore & Associates, Inc. Very highly stretched polytetrafluoroethylene and process therefor
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
US3978192A (en) * 1971-09-23 1976-08-31 Sussman Martin V Method of drawing fibers using a microterraced drawing surface
SE387886B (sv) * 1973-03-19 1976-09-20 Sumitomo Electric Industries Forfarande for framstellning av en poros film av polytetrafluoreten
US3930969A (en) * 1974-06-28 1976-01-06 Cyprus Metallurgical Processes Corporation Process for oxidizing metal sulfides to elemental sulfur using activated carbon
GB1510553A (en) * 1976-05-12 1978-05-10 Standard Hose Ltd Monofilament polytetrafluoroethylene fibre yarn
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
US4110392A (en) * 1976-12-17 1978-08-29 W. L. Gore & Associates, Inc. Production of porous sintered PTFE products
CA1123566A (en) * 1977-02-09 1982-05-18 Eckhard C.A. Schwarz Process and apparatus for stretching a tubularly-formed sheet of a thermoplastic material and the product produced thereby
GB2025835B (en) * 1978-05-31 1982-10-27 Nitto Electric Ind Co Producing a porous polytetrafluorethylene article

Also Published As

Publication number Publication date
JPS587334A (ja) 1983-01-17
CA1192361A (en) 1985-08-27
EP0069577A3 (en) 1984-06-27
JPH0218977B2 (de) 1990-04-27
US4496507A (en) 1985-01-29
EP0069577A2 (de) 1983-01-12
EP0069577B1 (de) 1987-04-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee