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    3.
    发明专利
    未知

    公开(公告)号：DE1635664A1

    公开(公告)日：1971-06-09

    申请号：DET0035042

    申请日：1967-10-17

    Applicant: TORAY INDUSTRIES

    Inventor： OKAMOTO MIYOSHI ,  WATANABE KOJI ,  OTSU SHIGA ,  NUKUSHINA YASUHIKO ,  KONOSU MAKOTO

    IPC: D04H1/58 ,  D04H1/64

    Abstract: 1,218,191. Laminated fibrous webs; composite filaments. TORAY INDUSTRIES Inc. 12 Oct., 1967 [17 Oct., 1966; 21 Oct., 1966], No. 46619/67. Headings B5B and B5N. [Also in Divisions B2 and D1] A leather substitute felt is made by forming a plurality of filaments each consisting of a bundle of fibres which extend substantially parallel to one another throughout their lengths and which are bonded together, forming a web from these filaments, entangling the filaments in the web and removing the binder whereby the fibres in each bundle are free to move longitudinally to one another. The filaments can be made by sizing bundles of pre-spun multi-filaments, or by spinning at least two components simultaneously through a nozzle to form the fibres as islands in a matrix component. The shape and arrangement of the fibres within the matrix may be in a pattern or at random (see Figs. 2 and 3, not shown). The matrix component is subsequently eliminated. The filaments, fibres or matrix component can be formed from specified polyesters, polyamides, cellulosic polymers, polyvinyls, polyacrylonitriles, polyurethanes including polyolefine-glycol type polyurethanes, polyolefines, polyoxyalkylenes, polyfluoro compounds. The filaments can be 25-100 mm. long and 1-20 denier, whilst the fibres can be 0À005-0À5 denier. The size can be starch, polyvinyl alcohol, polyvinyl acetate, polyacrylamide, polyvinyl pyrolidone, ployvinyl latex, polybutadiene, polyurethane or polyester. The size or matrix component can be eliminated by solution or heating. The filaments can be blended with ordinary polyester fibres and may be formed into a web by carding or on a cross lapper or random webber. The filaments can be drawn and crimped. The fibres can be shrunk. The web can be needle punched singly or together or with other webs, felts, woven or knitted cloths. Elastic materials can be applied to the web in solution, emulsion solid form by immersion and coagulation, spraying, foaming, printing or coating. The elastic material can be acrylonitrile-butadiene copolymer, polyisoprene, ethylene-propylene copolymer, acrylate polymer or copolymer, silicon rubber, polyurethane, polyvinyl acetate or polyvinyl chloride. Alternatively, the web can be treated with nylon polyvinyl chloride or polyethylene. The formed web can be hot-pressed, dyed, sliced, coated, water-proofed, embossed or buffed. The coating agent can be a mixture of polyurethane and carbon black.

    Extrusion die for multi core composite - filaments offers stable long-run operation
    5.
    发明专利
    Extrusion die for multi core composite - filaments offers stable long-run operation 未知

    公开(公告)号：DE2065883A1

    公开(公告)日：1976-10-14

    申请号：DE2065883

    申请日：1970-08-17

    Applicant: TORAY INDUSTRIES

    Inventor： OKAMOTO MIYOSHI ,  ASHIDA MEIICHI ,  WATANABE KOJ ,  TANIGUCHI SHINZO ,  OTSU SHIGA

    IPC: D01D5/36 ,  D01D5/28

    Abstract: Die for forming composite filaments has several cores of one filament material dispensed in a matrix of a second material. The core streams discharge into a chamber which converges at an angle Theta of =75 degrees and which is fed with an annular and pref. also an axial stream of the matrix material. Pref. subsidiary passages sheath each core sub-filament in matrix material (co-axial or eccentric). For preparation of multi-core filaments or for manufacture of very fine filaments by subsequently removing the matrix material. Die design maintains stable core and matrix patterns throughout long prodn. runs - the flow path of the core filament streams is almost linear to avoid material hang-up and degradation. Sheathing of each core stream by matrix material avoids internal coalescence of the core streams.

    Resilient fibre fillers - from cocoons of synthetic filaments
    7.
    发明专利
    Resilient fibre fillers - from cocoons of synthetic filaments 未知

    公开(公告)号：DE2301913A1

    公开(公告)日：1973-08-02

    申请号：DE2301913

    申请日：1973-01-16

    Applicant: TORAY INDUSTRIES

    Inventor： HASEGAWA SHOICHI ,  NISHIUMI SHIRO ,  OTSU SHIGA ,  MIZOGUCHI TOSHIYUKI ,  FURUTA SACHIKO

    IPC: B68G1/00 ,  D04H3/07

    Abstract: Filaments are fed into a jet where an air blast blows them down through a tube into a bottom container with smooth hemispherical interior surface. Here the filaments move in a rotating path forming spherical cocoons with concentration of filaments in their outer surfaces. The air escapes through outlets in the container wall. The filaments are subsequently bonded together at their points of contact, either by spraying them first with suitable adhesive or by incorporating a fusible component and finally heating the rounded cocoons. Alternatively, thermoplastic filaments are used and the cocoons are heated. These cocoons form bulky resilient fillers with good thermsl insulation.

    9.
    发明专利
    未知

    公开(公告)号：DE1934232A1

    公开(公告)日：1971-02-11

    申请号：DE1934232

    申请日：1969-07-05

    Applicant: TORAY INDUSTRIES

    Inventor： OKADA HIROSHI ,  OKSAKADA ATSUSHI ,  MINAMI SATOYUKI ,  AOKI TOSHIKAZU ,  OTSUKA HIROMI ,  KOYANAGI HIRONOBU ,  OTSU SHIGA ,  HISAMORI TETSUO

    IPC: B32B27/00 ,  C08J9/06 ,  C08J9/34 ,  B29D27/00

    Abstract: 1,210,637. Foam laminates. TORAY INDUSTRIES Inc. 21 June, 1969, No. 31460/69. Heading B5N. [Also in Division C3] Foams are made by laminating thermoplastic resin films to both surfaces of a thermoplastic resin sheet containing a foaming agent, whose decomposition temperature is above the softening temperature of the resin(s), cross-linking the films before, during, or after lamination, and heating to cause foaming. The central sheet may contain 0À1-60 wt. per cent of foaming agent. Foaming agents may be included in the outer films. The resins can be cross-linked before and/or after lamination by including 0À1-5 wt. per cent of cross-linking agent and/or by irradiating to 2-40 Mrad. dosage; crosslinking accelerators may be included. A single heating operation, e.g. by hot air, radiant heat or a molten salt or alloy bath, may serve both for cross-linking and foaming. Lists of foaming, cross-linking and accelerating agents are given; other additives present may be weathering agents, extenders, plasticizers, pigments, flameretardants, antistatic agents and ultraviolet absorbers. Films and sheets may be formed by extrusion, calendering or rolling a mixture of resin and additives; and may be laminated by heat and pressure or by extrusion. The foamable central sheet may be a multi-layer construction including non-foamable sheets. The outer films may be 1-1000 microns thick after the foaming operation and the central layer may be at least 300 microns thick before foaming. Specified thermoplastic resins are polyethylene, polypropylene, polybutene, poly- 4-methylpentene-1 and copolymers of olefins with vinyl acetate, vinyl chloride and alkyl acrylates and methacrylates; and polyvinyl chloride.

    10.
    发明专利
    未知

    公开(公告)号：DE2813368A1

    公开(公告)日：1978-10-05

    申请号：DE2813368

    申请日：1978-03-28

    Applicant: TORAY INDUSTRIES

    Inventor： SANO TAKAO ,  OGASAWARA MASAFUMI ,  OTSU SHIGA ,  TSUBAKIMORI HIROSHI

    IPC: D02J1/08 ,  D02G1/16

    Abstract: Apparatus for imparting a good cohering property to a multifilament yarn by applying a continuous main jet stream of a fluid to a running multifilament yarn in a yarn treating zone, while impinging a subsidiary jet stream having a discontinuous pressure wave against the above-mentioned continuous main jet stream so as to expose the running multifilament yarn to the impinging jet stream having a resonance sharpness of at least 2 at the position outlet aperture of the yarn treating zone.

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