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)
Other versions
CA241222S (en
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)
  • Paper (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Fertilizers (AREA)
  • Cultivation Of Plants (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 (https=)
BR (1) BR7508118A (https=)
CA (1) CA1060613A (https=)
DE (1) DE2555349C2 (https=)
FR (1) FR2294378A1 (https=)
GB (1) GB1526830A (https=)
IT (1) IT1050031B (https=)
NL (1) NL7514328A (https=)
NO (1) NO145396C (https=)

Families Citing this family (14)

* 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
DE9116615U1 (de) * 1991-08-09 1993-04-08 Eci European Chemical Industries Ltd., Castleblayney 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
US12559935B2 (en) * 2023-04-18 2026-02-24 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
US12492551B2 (en) * 2023-04-18 2025-12-09 Dupont Safety & Construction, Inc. 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
DE2555349C2 (de) 1982-06-24
GB1526830A (en) 1978-10-04
BR7508118A (pt) 1976-08-24
NO145396B (no) 1981-12-07
FR2294378B1 (https=) 1980-03-07
DE2555349A1 (de) 1976-06-10
FR2294378A1 (fr) 1976-07-09
IT1050031B (it) 1981-03-10
NL7514328A (nl) 1976-06-11
NO754140L (https=) 1976-06-10
NO145396C (no) 1982-03-31
US4008024A (en) 1977-02-15

Similar Documents

Publication Publication Date Title
CA1060613A (en) Gas-permeable seamless pipe structure and method and apparatus for production thereof
FI59430C (fi) Foerfarande foer kontinuerlig framstaellning av ovaevda banor
EP0059608B1 (en) Method and apparatus for making a patterned non-woven fabric
US5053066A (en) Nonwoven filter and method of manufacture
DK171970B1 (da) Luftpermeabel, pladelignende, fiberholdig struktur og fremgangsmåde til dens fremstilling
EP0352888A2 (en) Filtration fabric produced by wet laid process
US4869275A (en) Ultra-high filtration filter
KR0124541B1 (ko) 단열재로 구성된 비직조성 직물과 그 직물을 제조하기 위한 방법 및 그 방법을 실시하기 위한 장치
US3966597A (en) Oil or organic solvent-absorbent
CA2084151A1 (en) Nonwoven multicomponent polymer fabric and method for making same
EP1471176B1 (en) Process for producing electret
CN107921343A (zh) 包含纤维素长丝的过滤介质
HUT73206A (en) Foamed articles of biodegradable plastic and preparation thereof
CN112452051B (zh) 一种耐氧化、耐酸碱过滤材料的制备方法及制得的过滤材料
US20040172930A1 (en) Method of making a melt-blown filter medium for use in air filters in internal combustion engines and product
US10208408B2 (en) Method for manufacturing ultrafine fiber
KR20040025660A (ko) 호모필라멘트 주름진 방적접착을 생산하는 다층적 접근
CA2277189C (en) Porous moulded bodies made of thermoplastic polymers
US5922166A (en) Immersion and compression process for constructing a laminate composite and laminate articles
CN119308075A (zh) 一种高强透气膜及其制备方法
WO2005009151A1 (ja) たばこフィルターのプラグ製造装置とそのフィルター製造方法
JP3908848B2 (ja) 不織布製造方法
US20220186440A1 (en) Polyimide fiber paper using non-thermoplastic polymer
US4197156A (en) Apparatus for producing hollow-cylindrically shaped fibrous articles
JPH08150691A (ja) 繊維複合シートの製造方法