Door trim structure for automobiles
AssigneeIdemitsu Petrochemical Co., Ltd.
InventorTomoyuki Obara
Life of this patent
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Abstract
Provided is a door trim structure for automobiles, which is made of a thermoplastic resin and of which the inner door panel and the door trim are integrally blow-molded. The inner door panel may have the function of fitting functional members thereto, and may act also as a shock absorber. The inner door panel acting also as a shock absorber may have a plurality of recesses formed on its surface. The door trim structure is lightweight and simple, and is resistant to side-on collision, and its productivity is high. The number of the parts to constitute the door trim structure can be greatly reduced, and the labor and energy necessary for building the structure into a door system can be reduced. The door trim structure is recyclable.
Claims9
A door trim structure for automobiles, the door trim structure comprising:
- a door trim and an inner door panel both made of a thermoplastic resin,
- wherein the inner door panel includes at least one functional member attachment portion integral with the inner door panel, wherein the at least one functional member attachment portion includes a first protrusion as a part of an inner wall of the door trim structure, and wherein an inner wall of the door trim includes a second protrusion that is fused to the first protrusion to form a seal.
Dependencies are inferred from the claim text.