| 摘要 |
PROBLEM TO BE SOLVED: To provide a door frame made of a metal, which matches interior finishing based on lumber, by applying woodgrain finish to external facing of the door frame. SOLUTION: A door frame body 5 is formed of a frame material which uses a steel sheet and has a prescribed cross-sectional shape. A surface of the frame body 5 is covered with a synthetic-resin decorative sheet 6 formed of a polyolefin resin in a woodgrain pattern, and the door frame 1 is finished in a woodgrain color and the woodgrain pattern.
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