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GB1312188A - Method and equipment for cutting tows of continuous textile filaments into staple fibre lengths - Google Patents

Method and equipment for cutting tows of continuous textile filaments into staple fibre lengths

Info

Publication number
GB1312188A
GB1312188A GB2536471*A GB2536471A GB1312188A GB 1312188 A GB1312188 A GB 1312188A GB 2536471 A GB2536471 A GB 2536471A GB 1312188 A GB1312188 A GB 1312188A
Authority
GB
United Kingdom
Prior art keywords
tow
filaments
laser
laser beam
windows
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
GB2536471*A
Other languages
English (en)
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of GB1312188A publication Critical patent/GB1312188A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
    • D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
    • D01G1/025—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by thermic means, e.g. laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Laser Beam Processing (AREA)
  • Preliminary Treatment Of Fibers (AREA)
GB2536471*A 1970-03-26 1971-04-19 Method and equipment for cutting tows of continuous textile filaments into staple fibre lengths Expired GB1312188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2249370 1970-03-26

Publications (1)

Publication Number Publication Date
GB1312188A true GB1312188A (en) 1973-04-04

Family

ID=11197000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2536471*A Expired GB1312188A (en) 1970-03-26 1971-04-19 Method and equipment for cutting tows of continuous textile filaments into staple fibre lengths

Country Status (6)

Country Link
US (1) US3757077A (fr)
BE (1) BE764751A (fr)
DE (1) DE2114483B2 (fr)
FR (1) FR2085142A5 (fr)
GB (1) GB1312188A (fr)
NL (1) NL7007649A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD95521A1 (fr) * 1972-02-04 1973-02-12
US4302654A (en) * 1979-06-11 1981-11-24 Bennett William T Microperforation of cigarette tipping paper by use of laser beam
WO1984000040A1 (fr) * 1982-06-17 1984-01-05 Battelle Memorial Institute Procede pour sectionner, par laser, un filament
US5069735A (en) * 1990-06-04 1991-12-03 Milliken Research Corporation Apparatus for producing sealed edge knit wiping cloths
DE4100925C2 (de) * 1991-01-15 1996-08-01 Poly Id Ag Verfahren zur Behandlung von Faserstücken
DE4301575C2 (de) * 1992-01-24 1996-07-18 Fraunhofer Ges Forschung Verfahren zum Schneiden von Draht- oder Bandmaterial mit Laserstrahlung und Vorrichtung zur Durchführung des Verfahrens
US5878464A (en) * 1996-04-16 1999-03-09 White; Homer S. Apparatus and method for converting continuous tow fibers into a staple length
US5983676A (en) * 1998-05-18 1999-11-16 Lear Corporation Laser fiber chopper

Also Published As

Publication number Publication date
DE2114483A1 (de) 1971-11-11
DE2114483B2 (de) 1979-03-01
BE764751A (fr) 1971-08-16
FR2085142A5 (fr) 1971-12-17
NL7007649A (fr) 1971-09-28
US3757077A (en) 1973-09-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee