| 摘要 |
PROBLEM TO BE SOLVED: To bond a design surface material to a synthetic resin frame body by securing bonding strength with a small amount of adhesive. SOLUTION: An adhesive strength increasing member 5, which has the property of properly adhering to the used adhesive 4, is provided integrally in the synthetic resin frame body 2. In addition, the adhesive 4 is applied to the member 5, and the design surface material 3 is bonded to the member 5 of the frame body 2 via the adhesive 4.
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