| 摘要 |
PROBLEM TO BE SOLVED: To provide a door frame reducible in manufacturing cost by manufacturing the door frame from low-cost material in a simple manufacturing process. SOLUTION: This method comprises a first step of cutting a body material 111 in specified shape according to the specification, a second step of bonding a large number of auxiliary members 113, 115 to form an L-shaped skin material 120, a third step of bonding a wrapping wood 117 onto the outer surface of the skin material 120 to wrap it, a fourth step of sticking the skin material 120 to both side edge parts of the cut body material 111, and a fifth step of stably settling a door stop part 100 of plate shape inside a receiving groove part, in the longitudinal direction of the body material 111 so that the door stop part 100 can separate a door that enters in the cross direction of the body material 111. The width and thickness of the whole door frame can be adjusted by machining only the body material 111.
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