| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a door panel, the shape and strength of which enable an opening for ventilation to be widely formed at a joint between outside and inside plates so as to change specifications into severe heat ones, even if a protrusive streak portion is provided at the joint so as to prevent deformation. Ž<P>SOLUTION: The flat plate-like joint 27 of the inside plate 23 joined to the outside plate 21 is enclosed with outer frame-like reinforcing protrusions 29a, 29b and 29d, and a cross beam-like reinforcing protrusion 29c. A vertical protrusive streak portion 31 is provided in the joint 27 as shown in Fig.(a). The joints 27 are continuously formed in locations facing both upper and lower ends of the protrusive streak portion 31, respectively; and an opening cutting-planned portion 32, to which the cutting of the opening 25 for ventilation can be applied, is provided as shown in Fig.(b). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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