| 摘要 |
Provided is a gas tank wherein the pressure of gas filled in the tank hardly increases. A hydrogen tank (1) includes: a container main-body (10) into which hydrogen is filled; a first thermal-foam heat insulation layer (21) provided on the outer surface (11) of the container main-body (10); a belt fitting region (16) virtually provided at a portion of the outer surface (11) of the container main-body (10); a belt (31), wherein the back surface (35) being a part of the surfaces of the belt (31) is in contact with the belt fitting region (16), and wherein the belt (31) is fixed to a vehicle body (141) so that the container main-body (10) is fixed to the vehicle body (141); and a second thermal-foam heat insulation layer (41) provided on a surface of the belt (31) other than the back surface (35).
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