WALL BOARD MEMBER FOR BUILDING

Japanese Patent JPH1122143

A

PROBLEM TO BE SOLVED: To make a layout and adjustment work easier by providing a groove portion between slopes on a decorative surface, providing a groove-shaped recessed portion between a decorative surface and a male type coupling portion and also by providing a groove-shaped recessed portion and a valley-shaped recessed portion in parallel to the longitudinal direction of the board on the rear surface of the board member. SOLUTION: A long-sized sheet metal or a synthetic resin board is used as a surface material, one end of the board in the longitudinal direction has a male type coupling portion 5, a female type coupling portion 6 is provided at the other end portion, level difference portions are provided and a plurality of slopes 4 are provided between both the coupling portions 5, 6. Then, a canopy top-shaped projected portion 10 is provided at the end portion on the side of female type coupling portion 6 of each slope 4, and also a recessed groove portion 1 is provided at the level difference portion and a groove-shaped recessed portion 2 is formed on the rear surface in parallel to the longitudinal direction. In addition, a gutter- shaped recessed portion 3 is provided in the boundary portion between the decorative surface and the male type coupling portion 5 in parallel to the longitudinal direction of the board, and a valley-shaped recessed portion 11 is formed at a position facing the gutter-shaped recessed portion 3 on the rear surface in parallel to the longitudinal direction. Thus, certain distance is kept between the slopes by the grooved portions and therefore a cubical sense can be emphasized.

KUROSAWA HIROSHI
NAKAMURA ATSUSHI
YAMAMOTO TAKAYOSHI

JP21116297A

January 26, 1999

July 01, 1997

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CHUO & CO LTD

E04F13/08; (IPC1-7): E04F13/08

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