| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a door structure which is intended for a door for a hinged door or a door for a sliding door, and which is hardly warped due to a change in humidity and temperature. Ž<P>SOLUTION: In this door structure, the door comprises a central round portion 2, and vertical members 1 and 1 which are mounted at both the ends of the central round portion 2. In the central round portion 2, a plurality of core materials 4a, 4b and 4b different in thickness are sandwiched between two surface plates 3 and 3, so that the surface plates 3 and 3 can form smooth convex curved surfaces, respectively. At the inside ends of the vertical member 1 and 1, recessed grooves 6 and 6 are provided throughout the lengths of them; and leading ends of the central round portion 2 are fitted and fixed into the recessed grooves 6 and 6, respectively. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
