Patent ID: 9091081
Filing Date: 2015-07-28
Classification: E04F

Abstract:
1. An exterior-wall structure comprising: a plurality of exterior panels arranged side by side, wherein the plurality of exterior panels have a uniform outline shape and uniform dimensions, each of the plurality of exterior panels includes a length edge with a step-shaped groove, and an exterior surface, each of the plurality of exterior panels has one or more grooves extending along an entire length in a length direction thereof such that the exterior surface of each exterior panel is divided, by the one or more grooves, into surfaces in a height direction perpendicular to the length direction, in each exterior panel, the surfaces have a uniform size in the height direction, the one or more grooves each have a width in the height direction smaller than the uniform size of the surfaces in the height direction, the plurality of exterior panels includes a first exterior panel and a second exterior panel, a number of grooves of the first exterior panel is greater than a number of grooves of the second exterior panel, the first exterior panel and the second exterior panel are arranged in the height direction perpendicular to the length direction, the plurality of exterior panels includes two exterior panels that are adjacent to each other, each of the two exterior panels including a first length edge as the length edge with the step-shaped groove and a second length edge without the step-shaped groove, and the two exterior panels are combined to provide a second groove defined by the first length edge of the first exterior panel and the second length edge of the second exterior panel facing each other, the second groove having a same width and depth as the one or more grooves.