PROBLEM TO BE SOLVED: To improve heat resistance of a wire harness exterior material and reduce weight in addition to reducing the number of work steps of assembling the wire harness and the number of parts.SOLUTION: An outer exterior sheet 10 for a wire bundle is formed by laminating a heat-resistant foamed resin layer 11 and a composite layer 12 in which cellulose nanofibers are dispersed in a high density in a polyolefin resin in a state in which the laminated surfaces are inclined at a required angle with respect to the lamination direction to form as a sheet body 10a of rectangular length alternately laminated. A heat seal layer 13 or an adhesive layer is formed on the inner surface portion 10e which is the inner surface side of the sheet body 10a.SELECTED DRAWING: Figure 2

    【課題】ワイヤハーネス組立ての作業工数を減らし、部品点数を削減するとともに、ワイヤハーネス外装材の耐熱性を向上させ、軽量化させる。【解決手段】電線束用外装シート10は、耐熱性を有する発泡樹脂層11と、ポリオレフィン樹脂にセルロースナノファイバーを高密度分散した複合体層12とが、積層面が積層方向に対して所要角度傾斜した状態に交互に積層された矩形長のシート本体10aとして形成され、シート本体10aの内面側となる内面部10eにヒートシール層13または接着剤層が形成されている構成とした。【選択図】図2


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    Title :

    EXTERIOR SHEET FOR WIRE BUNDLE, PROTECTIVE TUBE FOR WIRE BUNDLE, AND WIRE HARNESS


    Additional title:

    電線束用外装シート、電線束用保護筒体およびワイヤハーネス


    Contributors:

    Publication date :

    2017-11-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES , Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / F16L PIPES , Rohre / H01B CABLES , Kabel



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