Layered body and method for producing same
AssigneeMidori Auto Leather Co., Ltd.
InventorYukari YOSHIKAWA
Life of this patent
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Abstract
A layered body includes a cover or skin layer, a cushion layer, an adhesive layer. The skin layer is made from a cover or skin material. The cushion layer is made from a cushioning material. The adhesive layer is made from an adhesive and provided between the skin layer and the cushion layer. A portion of the skin layer located between valleys of the cushion layer and corresponding to a bottom portion of a concave portion has negative curvature in the side view. The bottom portion of the concave portion between the valleys in a surface of the cushioning layer on which the adhesive layer is provided has positive curvature or is flat in the side view.
Claims5
A layered body comprising:
- a skin layer made from a skin material;
- a cushioning layer made from a cushioning material;
- an adhesive layer made from an adhesive and provided between the skin layer and the cushioning layer;
- wherein the cushioning layer comprises a concave portion,
- wherein the concave portion of the cushioning layer comprises a pair of valleys,
- wherein a portion of the skin layer located between the valleys and corresponding to a bottom portion of the concave portion has negative curvature in the side view, and
- wherein the bottom portion of the concave portion between the valleys in a surface of the cushioning layer on which the adhesive layer is provided has positive curvature or is flat in the side view.
A method for producing a layered body comprising:
- forming a convex portion on a first surface of a cushioning layer made from a cushioning material;
- providing an adhesive layer made from an adhesive on a first surface of a skin layer made from a skin material;
- pressing the skin layer to the first surface of the cushioning layer at a predetermined pressure;
- and
- reforming the convex portion on the first surface of the cushioning layer by releasing the predetermined pressure to bulge the first surface of the cushioning layer by restoring force of the cushioning layer that is pressed,
- wherein the forming, the providing, the pressing and the reforming are performed in the above order, and
- wherein a second surface of the skin layer has negative curvature in the side view, and the first surface of the cushioning layer has positive curvature or is flat in the side view.
Dependencies are inferred from the claim text.