GB1250855A - - Google Patents

Info

Publication number
GB1250855A
GB1250855A GB1250855DA GB1250855A GB 1250855 A GB1250855 A GB 1250855A GB 1250855D A GB1250855D A GB 1250855DA GB 1250855 A GB1250855 A GB 1250855A
Authority
GB
United Kingdom
Prior art keywords
film
degrees
fibrillated
angle
tool
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
Other languages
English (en)
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 filed Critical
Publication of GB1250855A publication Critical patent/GB1250855A/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • 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
    • Y10T225/10—Methods
    • Y10T225/14—Longitudinally of direction of feed
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
GB1250855D 1968-11-18 1969-11-18 Expired GB1250855A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8465568 1968-11-18

Publications (1)

Publication Number Publication Date
GB1250855A true GB1250855A (enrdf_load_stackoverflow) 1971-10-20

Family

ID=13836715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250855D Expired GB1250855A (enrdf_load_stackoverflow) 1968-11-18 1969-11-18

Country Status (4)

Country Link
US (1) US3662935A (enrdf_load_stackoverflow)
DE (1) DE1957998A1 (enrdf_load_stackoverflow)
FR (1) FR2023532A1 (enrdf_load_stackoverflow)
GB (1) GB1250855A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2088433A1 (en) * 1970-05-08 1972-01-07 Ici Ltd Perforating thermoplastic film
JP3027225B2 (ja) * 1991-05-27 2000-03-27 日石三菱株式会社 プリプレグの製造方法
KR0162706B1 (ko) 1994-06-20 1998-12-01 사이카와 겐조오 규제된 신축성 복합체
JP6138094B2 (ja) 2014-09-19 2017-05-31 Ｊｘｔｇエネルギー株式会社 網状不織布
JP6499927B2 (ja) 2015-06-10 2019-04-10 Ｊｘｔｇエネルギー株式会社 網状構造体
US11208737B2 (en) * 2016-03-03 2021-12-28 Teijin Aramid B.V. Process and device for splitting a tape

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK112546B (da) * 1964-08-13 1968-12-23 Toshiba Machine Co Ltd Fremgangsmåde og apparat til fremstilling af fibre af en termoplastisk film.
US3416772A (en) * 1966-06-03 1968-12-17 Phillips Petroleum Co Method of fibrillation
GB1167631A (en) * 1967-03-20 1969-10-15 Shell Int Research Process and apparatus for the fibrillation of thermoplastic films
US3494522A (en) * 1968-01-08 1970-02-10 Hercules Inc Apparatus for making yarn by fibrillation of ribbons of plastic material
US3496259A (en) * 1968-05-03 1970-02-17 Chevron Res Process for preparing fibrous web

Also Published As

Publication number Publication date
US3662935A (en) 1972-05-16
FR2023532A1 (enrdf_load_stackoverflow) 1970-08-21
DE1957998A1 (de) 1970-05-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years