Method for manufacturing tank and manufacturing device thereof
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKen Hatta
Life of this patent
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Abstract
Provided is a method for manufacturing a tank and a manufacturing device thereof that can achieve resin impregnation within a short time. The method wraps fibers in an overlapping manner in a radial direction around an outer surface of a liner such that a first fiber layer (braiding layer) on an outer surface of a dome portion is less dense than a second fiber layer (helical layer) on an outer surface of a straight body portion and such that a portion of a lamina of the first fiber layer, which is less dense, is interposed continuously from the first fiber layer partially between laminae of the second fiber layer, and then impregnates the fiber layer including the first fiber layer and the second fiber layer with a resin.
Claims6
A method for manufacturing a tank, the tank including:
- a hollow liner including a cylindrical straight body portion and a dome portion that narrows in a direction opposite to the straight body portion from an end portion of the straight body portion in an axial direction;
- and a reinforcing layer formed on an outer surface of the liner by impregnating with resin a fiber layer including fibers wrapped in an overlapping manner in a radial direction,
- the method comprising:
- wrapping the fibers in the overlapping manner in the radial direction around the outer surface of the liner such that a first fiber layer on an outer surface of the dome portion is less dense than a second fiber layer on an outer surface of the straight body portion and such that a portion of a lamina of the first fiber layer, which is less dense, is interposed continuously from the first fiber layer partially between laminae of the second fiber layer;
- and
- impregnating the fiber layer including the first fiber layer and the second fiber layer with the resin.
Dependencies are inferred from the claim text.