PROBLEM TO BE SOLVED: To provide a fuel tank for a saddle-riding type vehicle which employs a titanium material for reducing a weight and which can acquire a high shape accuracy.SOLUTION: An upper side half body flange part 30a is provided over whole periphery of a lower end part of an upper side half body 30 along a plane H, and a lower side half body flange part 50a is provided over whole periphery of an upper end part of a lower side half body 50 along the plane H. The upper side half body 30 and the lower side half body 50 are formed of a titanium material, and in top view from a vertical direction of the plane H, straight parts T1 and T2 where outer edges of the upper side half body flange part 30a and the lower side half body flange part 50a form a straight line are formed. On a side surface US of the upper side half body 30 and a side surface DS of the lower side half body 50, recess parts 51, 56, 36 and 37 and salient parts 60, 61 and 62 are provided. The recess parts 51, 56, 36 and 37 and the salient parts 60, 61 and 62 are provided in a range of length of the straight parts T1 and T2 in top view from the vertical direction of the plane H.SELECTED DRAWING: Figure 3

    【課題】チタン材を適用して軽量化を図りつつ高い形状精度が得られる鞍乗型車両の燃料タンクを提供する。【解決手段】上側半体フランジ部30aを、平面Hに沿って上側半体30の下端部の全周にわたって設け、下側半体フランジ部50aを、平面Hに沿って下側半体50の上端部の全周にわたって設ける。上側半体30および下側半体50をチタン材で形成し、平面Hの垂直方向から見た上面視において、上側半体フランジ部30aおよび下側半体フランジ部50aの外縁が直線をなす直線部T1,T2を形成する。上側半体30の側面USおよび下側半体50の側面DSに、凹部51,56,36,37および凸部60,61,62を形成する。凹部51,56,36,37および凸部60,61,62を、平面Hの垂直方向から見た上面視で、直線部T1,T2の長さの範囲内に設ける。【選択図】図3


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    Title :

    FUEL TANK FOR SADDLE-RIDING TYPE VEHICLE


    Additional title:

    鞍乗型車両の燃料タンク


    Contributors:

    Publication date :

    2018-02-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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