Multilayer composite interior component

Patent metadata

Field	Value
Publication number	US-9802383-B2
Application number	US-201314915738-A
Country	US
Kind code	B2
Filing date	Sep 13, 2013
Priority date	Sep 13, 2013
Publication date	Oct 31, 2017
Grant date	Oct 31, 2017

Abstract

A laminated composite interior component, having cushioning property, including a first member having a predetermined mating surface, and a second member made of an elastically deformable resin material, having a plate portion on and parallel to the mating surface and multiple solid protrusions formed integrally with the plate portion and having tip ends that protrude toward and contact the mating surface, and flexural rigidity of each protrusion against a compressive load having anisotropy around an axis perpendicular to the plate portion. Each of the protrusions have a longitudinal shape in a transverse section parallel to the plate portion and have one or more stepped portions, with a smaller section at its tip end side, in one of a pair of sidewalls located in a lateral direction perpendicular to a longitudinal direction of the longitudinal shape. Each protrusion is tilted toward a sidewall opposite the stepped portion.

First claim

The invention claimed is:

1. A laminated composite interior component including a first member having a predetermined mating surface, and a second member made of an elastically deformable resin material, having a plate portion substantially parallel to the mating surface and multiple solid protrusions formed integrally with the plate portion so as to protrude toward the mating surface so that space is created between the plate portion and the mating surface, and placed on the first member such that the protrusions contact the mating surface, and the laminated composite interior component having cushioning properties as tip ends of the protrusions are pressed against the mating surface and elastically deformed,
the multiple protrusions being provided so as to spread all over the plate portion, and flexural rigidity of each protrusion against a compressive load having anisotropy around an axis perpendicular to the plate portion, and
each of the multiple protrusions having a longitudinal shape in a transverse section parallel to the plate portion, the protrusion having one or more stepped portions so as to have a smaller section on its tip end side, the stepped portion being formed in only one of a pair of sidewalls located on both sides in a lateral direction perpendicular to a longitudinal direction of the longitudinal shape, and an axis of the protrusion being tilted toward an opposite sidewall side from the side on which the stepped portion is formed.

2. The laminated composite interior component according to claim 1 , wherein
the multiple protrusions are arranged in a grid pattern of multiple polygons in which adjoining ones of the polygons have a common side, and the protrusions are each provided on each side of the polygons.

3. The laminated composite interior component according to claim 2 , wherein
the multiple protrusions have the same shape, and each of the protrusions is flexurally deformed in a fixed direction, namely to the opposite side from the side on which the stepped portion is formed, about its axis perpendicular to the plate portion,
the grid pattern is a repeated pattern of the same polygons that are quadrilaterals or hexagons, and
the protrusions are arranged so that one protrusion is located on each side of the polygons and so that each of the protrusions is bent toward inside or outside of the polygon, and are provided in such an attitude that the protrusions are bent alternately in opposite directions about a center of the polygon.

4. The laminated composite interior component according to claim 2 , wherein
the grid pattern is a honeycomb pattern that is a repeated pattern of regular hexagons of a fixed size as the polygons.

5. The laminated composite interior component according to claim 1 , wherein
the laminated composite interior component is a plate-shaped panel component,
the second member is a surface layer member,
the first member is a plate-shaped base member made of a resin material harder than the surface layer member, and
a front surface of the base member serves as the mating surface, and the surface layer member is placed on the front surface and is fixedly attached to the base member.

6. The laminated composite interior component according to claim 5 , wherein
a surface member is firmly fixed to a front surface of the surface layer member, which is an opposite surface of the plate portion from a surface having the protrusions, so that the laminated composite interior component has a three-layer structure as a whole by the surface layer member, the surface member fixed thereto, and the plate base member.

7. The laminated composite interior component according to claim 1 , wherein
the laminated composite interior component is a plate-shaped panel component,
the first member is a plate-shaped surface layer member made of an elastically deformable resin material, and
the second member is firmly fixed to a plate-shaped base member so that a back surface of the second member, which is an opposite surface of the plate portion from a surface having the protrusions, closely contacts the base member.

Assignees

• Miyashita Osamu
• Yoshida Kenichi
• Sakai Hideaki
• Hirose Masamori
• Toyota Tekko Kk

Inventors

• Miyashita Osamu
• Yoshida Kenichi
• Sakai Hideaki
• Hirose Masamori

Classifications

• B32B3/06

  for securing layers together; for attaching the product to another member, e.g. to a support {, or to another product, e.g. groove/tongue, interlocking} · CPC title

• B32B3/30 Primary

  characterised by a layer formed with recesses or projections, e.g. {hollows, grooves, protuberances, ribs (apertured layer B32B3/266; layer with cavities or internal voids B32B3/26)} · CPC title

• B32B2307/546

  Flexural strength; Flexion stiffness · CPC title

• B32B3/12

  characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure · CPC title

• B32B27/08

  of synthetic resin · CPC title