To solve the problem that it has been difficult to reduce the weight, cost, and durability of conventional underfloor waste tanks or water tanks for railway vehicles.SOLUTION: A manufacturing method for an underfloor waste tank or water tank for railway vehicles of the present invention includes a first step of providing a fibrous member on the inner surface of a mold for molding a polyethylene tank body, in a portion that forms the outer surface of the tank body to which FRP resin is adhered; a second step of pouring fluidized polyethylene into the mold to form a polyethylene tank body; and a third step of removing the polyethylene tank body from the mold and adhering FRP resin to the outer surface of the outer surface portion of the tank body into which the fibrous member has penetrated and/or to the fibrous member.SELECTED DRAWING: Figure 1

    【課題】従来の鉄道車両用の鉄道車両用の床下汚物タンク又は水タンクは、重量やコストや耐久性を軽減することが難しかった。【解決手段】本発明の鉄道車両用の床下汚物タンク又は水タンクの製造方法は、ポリエチレン製のタンク本体を成形するための金型の内側面の、FRP樹脂が接着されるタンク本体の外表面を形成する部分に、繊維部材を設ける第一の工程と、上記金型内に、流動化したポリエチレンを流し込みポリエチレン製のタンク本体を形成する第二の工程と、上記ポリエチレン製のタンク本体を上記金型から取り外し、上記繊維部材が入り込んだ上記タンク本体の外表面部の外表面、又は/及び、上記繊維部材に、FRP樹脂を接着する第三の工程とよりなることを特徴とする。【選択図】図1


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    Title :

    UNDERFLOOR WASTE TANK OR WATER TANK FOR RAILROAD VEHICLE AND METHOD OF MANUFACTURING THE TANK


    Additional title:

    鉄道車両用の床下汚物タンク又は水タンク及びこのタンクの製造方法


    Contributors:

    Publication date :

    2024-10-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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