CA1060613A - Gas-permeable seamless pipe structure and method and apparatus for production thereof - Google Patents

Gas-permeable seamless pipe structure and method and apparatus for production thereof

Info

Publication number
CA1060613A
CA1060613A CA241,222A CA241222A CA1060613A CA 1060613 A CA1060613 A CA 1060613A CA 241222 A CA241222 A CA 241222A CA 1060613 A CA1060613 A CA 1060613A
Authority
CA
Canada
Prior art keywords
pipe structure
fibers
weight
thermoplastic fibers
gas
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
CA241,222A
Other languages
English (en)
French (fr)
Inventor
Sadaaki Yokota
Toshio Kaya
Shinzi Hayata
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical 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
Priority claimed from JP14044574A external-priority patent/JPS5167514A/ja
Priority claimed from JP14305374A external-priority patent/JPS51115319A/ja
Priority claimed from JP11367375A external-priority patent/JPS5238632A/ja
Application filed by Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Application granted granted Critical
Publication of CA1060613A publication Critical patent/CA1060613A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J7/00—Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/06—Vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Filtering Materials (AREA)
  • Cultivation Of Plants (AREA)
  • Fertilizers (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Paper (AREA)
CA241,222A 1974-12-09 1975-12-08 Gas-permeable seamless pipe structure and method and apparatus for production thereof Expired CA1060613A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14044574A JPS5167514A (ja) 1974-12-09 1974-12-09 Senishitsumutsugimepaipu
JP14305374A JPS51115319A (en) 1974-12-14 1974-12-14 Manufacturing process of fiber tube and its device
JP11367375A JPS5238632A (en) 1975-09-22 1975-09-22 Manufacturing method and plant of fiber pipe

Publications (1)

Publication Number Publication Date
CA1060613A true CA1060613A (en) 1979-08-21

Family

ID=27312557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,222A Expired CA1060613A (en) 1974-12-09 1975-12-08 Gas-permeable seamless pipe structure and method and apparatus for production thereof

Country Status (9)

Country Link
US (1) US4008024A (OSRAM)
BR (1) BR7508118A (OSRAM)
CA (1) CA1060613A (OSRAM)
DE (1) DE2555349C2 (OSRAM)
FR (1) FR2294378A1 (OSRAM)
GB (1) GB1526830A (OSRAM)
IT (1) IT1050031B (OSRAM)
NL (1) NL7514328A (OSRAM)
NO (1) NO145396C (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2900474A1 (de) * 1979-01-08 1980-07-17 Ernst Rudolf Dr Ing Verfahren zur zuechtung von mykorrhiza-pilzen und zuchtbehaelter zur durchfuehrung desselben
DE3102587A1 (de) * 1980-02-14 1981-12-03 Chemiefaser Lenzing AG, 4860 Lenzing, Oberösterreich Verfahren zur herstellung von formkoerpern
GB8422530D0 (en) * 1984-09-06 1984-10-10 Shirley Inst Production of porous tubes
EP0262044A1 (fr) * 1986-09-25 1988-03-30 Exxon Chemical Patents Inc. Procédé papetier et composition pour la fabrication de produits tridimensionnels à base de resine thermoplastique et fibres de renforcement
FR2605026B1 (fr) * 1986-09-25 1989-02-03 Arjomari Prioux Procede integre de fabrication et de densification par compression de preformes thermoplastiques renforcees.
FR2611579B1 (fr) * 1987-02-23 1989-07-13 Arjomari Prioux Procede papetier et composition pour la fabrication de produits tridimensionnels a base de resine thermoplastique et fibres de renforcement
MX9101640A (es) * 1990-10-26 1992-06-05 Milliken Res Corp Tela no tejida cosida
DE4126397C2 (de) * 1991-08-09 1994-06-23 Europ Chemical Ind Verfahren und Vorrichtung zur Schaumerzeugung
JP2808211B2 (ja) * 1992-06-09 1998-10-08 東陶機器 株式会社 連続気孔多孔体及びそれを用いた陶磁器の加圧鋳込み成形用型
US5372493A (en) * 1993-05-13 1994-12-13 Rodgers; Gary C. Continuous casting apparatus using two moving belts
US12492551B2 (en) * 2023-04-18 2025-12-09 Dupont Safety & Construction, Inc. Foam envelope for sealing large volumes
US12454822B2 (en) * 2023-04-18 2025-10-28 Ddp Specialty Electronic Materials Us, Llc Foam envelope for sealing large volumes
US12492550B2 (en) * 2023-04-18 2025-12-09 Dupont Safety & Construction, Inc. Foam envelope for sealing large volumes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731699A (en) * 1950-04-21 1956-01-24 Carbon P Dubbs Apparatus for making concrete products
US2961043A (en) * 1957-01-22 1960-11-22 Diamond National Corp Pulp molding apparatus
US3375933A (en) * 1965-02-01 1968-04-02 Fram Corp Semi-rigid polymer encapsulated filter medium containing an unencapsulated adsorbent material
US3748072A (en) * 1972-01-06 1973-07-24 Nat Dairy Ass Apparatus for compacting curd in the process of manufacturing cheese

Also Published As

Publication number Publication date
DE2555349A1 (de) 1976-06-10
DE2555349C2 (de) 1982-06-24
GB1526830A (en) 1978-10-04
IT1050031B (it) 1981-03-10
FR2294378A1 (fr) 1976-07-09
US4008024A (en) 1977-02-15
NO145396B (no) 1981-12-07
BR7508118A (pt) 1976-08-24
FR2294378B1 (OSRAM) 1980-03-07
NO145396C (no) 1982-03-31
NL7514328A (nl) 1976-06-11
NO754140L (OSRAM) 1976-06-10

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