PROBLEM TO BE SOLVED: To provide a tank internal piping system capable of inhibiting undesired leakage from a pipe wall, to sufficiently bear up mechanical and chemical load.SOLUTION: A tank internal piping system 1 in a fuel tank 2 of, especially, an automobile has a fluid passage 3 and a pipe wall 4 surrounding the fluid passage. The pipe wall is formed in a multilayer form, and comprises at least three layers. An inner layer 5 is mainly composed of at least one polyolefin, at least one center layer 6 is mainly composed of at least one polyamide, and an outer layer 7 is mainly composed of at least one polyolefin.SELECTED DRAWING: Figure 1

    【課題】パイプ壁からの望ましくない流出を阻止し、機械的及び化学的な負荷に充分に耐えることができる、タンク内部配管系を提供する。【解決手段】特に自動車の燃料タンク2内の、タンク内部配管系1であって、配管系が流体通路3と、流体通路を包囲するパイプ壁4とを有しており、パイプ壁が多層で形成されており、かつ少なくとも3つの層からなり、インナー層5が少なくとも1つのポリオレフィンをベースに設けられており、少なくとも1つの中央層6が少なくとも1つのポリアミドをベースに設けられており、かつアウター層7が少なくとも1つのポリオレフィンをベースに設けられている。【選択図】図1


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    Title :

    TANK INTERNAL PIPING SYSTEM IN FUEL TANK OF, ESPECIALLY, AUTOMOBILE


    Additional title:

    特に自動車の燃料タンク内の、タンク内部配管系


    Contributors:

    Publication date :

    2018-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16L PIPES , Rohre



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