| 摘要 |
PROBLEM TO BE SOLVED: To provide an eaves gutter joining device facilitating the insertion of a joint into an eaves gutter and reducing the application unevenness of an adhesive to decrease the secular change. SOLUTION: An eaves gutter 1 formed so as to have a U-shaped vertical section as a whole includes an outdoor side wallboard 2, an indoor side wallboard 3 and a bottom board 4 connecting both bottoms of them to each other. A projection 5 projected to the inside of the eaves gutter along the longitudinal direction is provided to the bottom board 4, the projection 5 is so formed that the width of projection becomes narrow as it goes in the direction of projection, and an inside shape of the joint 6 coincides with an outside shape of the eaves gutter 1.
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