Loading patent…
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsNobuhiko Matsumoto, Kousuke Ikeuchi, Jun Mitadera
Estimating the term…
Provided are a pressure vessel with excellent gas barrier properties, less likely to cause cracks, and excellent internal pressure fatigue properties, and a production method thereof. The pressure vessel includes a layer at least in the body part, and the layer includes a fiber-reinforced resin material that contains a resin component and a continuous reinforcing fiber. A ratio (inner region/outer region) of the continuous reinforcing fiber content (vol. %) in the inner region to a continuous reinforcing fiver content (vol. %) in the outer region is from 0.80 to 0.99, where the inner region is up to 0.1% from the inner side of the layer in the thickness direction, and the outer region is up to 0.1% from the outer side of the layer in the thickness direction, and the continuous reinforcing fiber content (vol. %) in the central region of the layer, which is between up to more than 0.1% from the inner side in the thickness direction and up to more than 0.1% from the outer side in the thickness direction, is from 40 to 60 vol. %.
A pressure vessel comprising a layer at least in a body part of the pressure vessel, the layer comprising a fiber-reinforced resin material containing a resin component and a continuous reinforcing fiber, wherein
Dependencies are inferred from the claim text.