| 摘要 |
PROBLEM TO BE SOLVED: To prevent a door from warping and twisting while a defect in appearance is avoided without impeding the degree of freedom in a design of a door surface. SOLUTION: Square metal pipes 9a, 9b are provided in an internal space 5 of a sash bar member 4 of the door while a plurality of air inlet/outlet holes 13 are provided in upper and lower sash bars 3a of the sash bar member 4. The air inlet/outlet hole 13 is formed in such a way that a groove is formed on an end face of each upper/lower sash bar and then the sash bar member 4 is covered with a face panel. COPYRIGHT: (C)2007,JPO&INPIT
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