IT939958B - Rullo ad aghi per la fibrillatura di pellicole spaccabili di materia plastica - Google Patents

Rullo ad aghi per la fibrillatura di pellicole spaccabili di materia plastica

Info

Publication number
IT939958B
IT939958B IT70295/71A IT7029571A IT939958B IT 939958 B IT939958 B IT 939958B IT 70295/71 A IT70295/71 A IT 70295/71A IT 7029571 A IT7029571 A IT 7029571A IT 939958 B IT939958 B IT 939958B
Authority
IT
Italy
Prior art keywords
fibrillation
plastic material
needle roller
split films
split
Prior art date
Application number
IT70295/71A
Other languages
English (en)
Original Assignee
Tno
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 Tno filed Critical Tno
Application granted granted Critical
Publication of IT939958B publication Critical patent/IT939958B/it

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
    • 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)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Laminated Bodies (AREA)
  • Pens And Brushes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
IT70295/71A 1970-10-08 1971-10-07 Rullo ad aghi per la fibrillatura di pellicole spaccabili di materia plastica IT939958B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7014809A NL7014809A (it) 1970-10-08 1970-10-08

Publications (1)

Publication Number Publication Date
IT939958B true IT939958B (it) 1973-02-10

Family

ID=19811259

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70295/71A IT939958B (it) 1970-10-08 1971-10-07 Rullo ad aghi per la fibrillatura di pellicole spaccabili di materia plastica

Country Status (12)

Country Link
US (1) US3747817A (it)
AT (1) ATA863771A (it)
AU (1) AU457917B2 (it)
BE (1) BE773597A (it)
CA (1) CA972121A (it)
DE (1) DE2149877A1 (it)
FR (1) FR2109854A5 (it)
GB (1) GB1290289A (it)
IT (1) IT939958B (it)
NL (1) NL7014809A (it)
SE (1) SE376565B (it)
ZA (1) ZA716771B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592857A (en) * 1976-12-22 1981-07-08 Stewart & Sons Hacklemakers Cutting device
CN106149076A (zh) * 2015-04-27 2016-11-23 陈路 一种用于制造ptfe纤维的裂膜副
US20220136139A1 (en) * 2016-03-03 2022-05-05 Teijin Aramid B.V. Process and device for splitting a tape

Also Published As

Publication number Publication date
GB1290289A (it) 1972-09-27
DE2149877A1 (de) 1972-04-27
ZA716771B (en) 1972-08-30
ATA863771A (de) 1975-12-15
AU457917B2 (en) 1975-02-13
FR2109854A5 (it) 1972-05-26
CA972121A (en) 1975-08-05
US3747817A (en) 1973-07-24
AU3425271A (en) 1973-04-12
SE376565B (it) 1975-06-02
BE773597A (nl) 1972-04-07
NL7014809A (it) 1972-04-11

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