FR2020718A1 - - Google Patents

Info

Publication number
FR2020718A1
FR2020718A1 FR6934941A FR6934941A FR2020718A1 FR 2020718 A1 FR2020718 A1 FR 2020718A1 FR 6934941 A FR6934941 A FR 6934941A FR 6934941 A FR6934941 A FR 6934941A FR 2020718 A1 FR2020718 A1 FR 2020718A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6934941A
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of FR2020718A1 publication Critical patent/FR2020718A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D01D5/423—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by fibrillation of films or filaments
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/329—Plural breakers
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9314—Pointed perforators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
FR6934941A 1968-10-15 1969-10-13 Withdrawn FR2020718A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48868/68A GB1279970A (en) 1968-10-15 1968-10-15 Method and apparatus for the fibrillation of films of synthetic resins

Publications (1)

Publication Number Publication Date
FR2020718A1 true FR2020718A1 (fr) 1970-07-17

Family

ID=10450231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6934941A Withdrawn FR2020718A1 (fr) 1968-10-15 1969-10-13

Country Status (11)

Country Link
US (1) US3658221A (fr)
JP (1) JPS5010964B1 (fr)
BE (1) BE740203A (fr)
CA (1) CA930119A (fr)
CH (1) CH507390A (fr)
DE (1) DE1951571A1 (fr)
DK (1) DK129725B (fr)
FR (1) FR2020718A1 (fr)
GB (1) GB1279970A (fr)
IE (1) IE33824B1 (fr)
NL (1) NL6915490A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53142651U (fr) * 1977-04-15 1978-11-10
US5104367A (en) * 1988-08-10 1992-04-14 Filter Materials Limited Pinned rollers and process for manufacturing fibrillated film
US5151077A (en) * 1991-07-31 1992-09-29 Ark, Inc. Method and apparatus for perforating material
ATE233333T1 (de) * 1994-06-30 2003-03-15 Daikin Ind Ltd Voluminöse langfaser und split-garn aus polytetrafluorethyten, verfahren zu ihreherstellung und herstellung von baumwollähnlichem material unter verwendung dieser faser und dieses garns und stoff für staubfilter
CN115161786B (zh) * 2022-07-19 2024-03-29 闽江学院 一种用于拉伸变形丝的上下调节拉伸装置及其拉伸方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1726611A (en) * 1925-09-24 1929-09-03 Blue Valley Creamery Company Machine for perforating paper from rolls
US3273771A (en) * 1962-05-14 1966-09-20 Courtaulds Ltd Filamentary material
NL292704A (fr) * 1962-05-14
FR1393534A (fr) * 1964-02-13 1965-03-26 Plasticisers Ltd Procédé de fabrication d'une matière à brins multiples et produits confectionnés avec cette matière
US3302501A (en) * 1965-09-24 1967-02-07 Phillips Petroleum Co Method of fibrillating plastic film by passing the film through rotating piercing means
US3369435A (en) * 1965-12-06 1968-02-20 Phillips Petroleum Co Method and apparatus for fibrillating
US3474611A (en) * 1966-09-05 1969-10-28 Mitsubishi Heavy Ind Ltd Method of making fibrous yarns and apparatus therefor
US3460416A (en) * 1967-09-11 1969-08-12 Phillips Petroleum Co Fibrillation method
US3526349A (en) * 1967-10-03 1970-09-01 Ikegai Iron Works Ltd Needle-blade roller for manufacturing net-like split fabrics
US3496259A (en) * 1968-05-03 1970-02-17 Chevron Res Process for preparing fibrous web

Also Published As

Publication number Publication date
BE740203A (fr) 1970-04-13
NL6915490A (fr) 1970-04-17
DE1951571A1 (de) 1970-04-23
JPS5010964B1 (fr) 1975-04-25
IE33824L (en) 1970-04-15
CA930119A (en) 1973-07-17
DK129725B (da) 1974-11-11
CH507390A (de) 1971-05-15
US3658221A (en) 1972-04-25
GB1279970A (en) 1972-06-28
IE33824B1 (en) 1974-11-13
DK129725C (fr) 1975-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse