To reduce a manufacture cost.SOLUTION: A fuel tank 10 includes: a tank body 11 which is formed with an opening 13, has a welded region 17 provided on an opening edge part 14 of the opening 13, and is formed of a synthetic resin; a functional component 20 which is welded in the welded region 17 and is formed of a synthetic resin; and a tank side positioning part 18 and a component side positioning part 23 which are formed on the tank body 11 and the functional component 20 and concentrically position the functional component 20 to the welded region 17. The functional component 20 can be concentrically positioned to the welded region 17 by the tank side positioning part 18 and the component side positioning part 23, which can limit a formation range of the welded region 17 to a minimum necessary region corresponding to a welded surface 26 of the functional component 20 without wastefully enlarging the welded region 17.SELECTED DRAWING: Figure 6

    【課題】製造コストの低減を図る。【解決手段】燃料タンク10は、開口部13が形成され、開口部13の開口縁部14に溶着領域17が設けられている合成樹脂製のタンク本体11と、溶着領域17に溶着される合成樹脂製の機能部品20と、タンク本体11と機能部品20とに形成され、機能部品20を溶着領域17に対して同心状に位置決めするタンク側位置決め部18及び部品側位置決め部23とを備えている。タンク側位置決め部18と部品側位置決め部23によって機能部品20を溶着領域17に対して同心状に位置決めすることができるので、溶着領域17を無駄に拡大する必要がなく、溶着領域17の形成範囲を機能部品20の溶着面26と対応する必要最小の領域に限定することができる。【選択図】図6


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    Title :

    FUEL TANK AND METHOD FOR MANUFACTURING FUEL TANK


    Additional title:

    燃料タンク及び燃料タンクの製造方法


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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