Patent ID: 9354421
Filing Date: 2016-05-31
CPC Classification: B29C,G02B,Y10T

Claim Text:
1. An advanced grid structure made of a fiber reinforced resin, the advanced grid structure comprising: a plurality of tape groups each including reinforced fibers extending in a longitudinal direction thereof, the plurality of tape groups overlapping each other into a lattice shape, the plurality of tape groups comprising a first tape group, a second tape group, and a third tape group extending in different longitudinal directions, the first tape group, the second tape group, and the third tape group being laminated in an overlapping manner repeatedly to form a grid; crossing regions, in each of which two tape groups overlap each other; a lattice formed so that the crossing regions formed of two different tape groups are brought into contact with each other; and non-crossing regions each provided between the crossing regions, in which one tape group is laminated without overlapping another tape group, and a tape is folded in a thickness direction to be laminated so that a thickness obtained by overlapping the two tape groups in each of the crossing regions is equal to a thickness obtained by folding one tape in each of the non-crossing regions.