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Seat pad

A technology for seat cushions and ventilation components, which is applied to mattresses, vehicle seats, spring mattresses, etc., can solve the problems of blocked ventilation parts and inability to provide riding comfort, and achieve the effects of good softness and good riding comfort.

Inactive Publication Date: 2016-11-23
BRIDGESTONE CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since a void is formed in the seat cushion by the vents each formed in a tunnel-like shape, sitting on a seat using such a seat cushion including the vent causes collapse near the vent and occlusion of the vent, thereby Causes depression of part of the seat surface of the seat cushion and / or the front surface of the seat back
Therefore, it is conceivable that good riding comfort (sitting comfortability) cannot be provided

Method used

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Examples

Experimental program
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Embodiment Construction

[0037] Next will refer to Figure 1 to Figure 6 Embodiments of the present invention will be described. This embodiment will be described by taking the seat cushion as an example for a vehicle seat.

[0038] figure 1 A diagram for explaining an outline of a seat pad according to the present embodiment used for a seat. As shown in the figure, the seat 1 includes a seat back 2 that supports the back of an occupant and a seat cushion 4 that supports the buttocks of the occupant.

[0039] The seat pad 10 according to the present embodiment is a type of seat pad for such a seat 1, and includes, as a main component, a foamed resin foam F produced by foaming of a foamed resin material.

[0040] The seat cushion 10 includes a back pad 12 and a cushion pad 14, the back pad 12 is covered with a skin 2a providing good air permeability such as a woven or knitted fabric to form the seat back 2, the cushion pad 14 The seat cushion 4 is formed as a result of being covered with a skin 4 ...

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Abstract

In order to provide a seat pad that is capable of obtaining good seating comfort and ensures adhesion between a ventilation member and a foamed resin foam that constitutes the seat pad, a seat pad (10) is provided that: comprises the ventilation member (20) having an external ventilation function; and is integrally foam-molded by using a foamed resin material (M) in a state in which the ventilation member (20) has been introduced. The seat pad comprises a covering member (30) that covers at least part of the ventilation member (20) in a boundary surface between the ventilation member (20) and the foamed resin material (M). This covering member (30) comprises an impregnation-suppressing material having a higher penetration suppressing function against the foamed resin material (M) than at least the ventilation member (20).

Description

technical field [0001] The present invention relates to a seat cushion, and more particularly to a seat cushion including a ventilation member having a ventilation function with the outside, which is formed by integral foam molding of a foamed resin material and a ventilation member introduced thereinto. Background technique [0002] For example, a seat cushion for a vehicle seat typically includes a back pad supporting a passenger's back and a cushion pad supporting a passenger's buttocks, and uses expanded resin foam such as a soft foam made of foamed resin material. Solid polyurethane foam or semi-rigid polyurethane foam to shape. [0003] Regarding this type of seat pad, there is known a technique in which grooves are formed on the seat surface of the cushion pad and the front surface of the back pad and a thin foam layer is stacked on the groove, whereby tunnel-like ventilation is formed by the foam layer and the groove part to ensure ventilation so as to be able, for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C27/14A47C7/74B60N2/56B68G7/06B68G15/00B60N2/90
CPCA47C27/14B60N2/5621A47C7/746B68G11/04B60N2/5664
Inventor 熊谷健司吉川淳平宫田敬
Owner BRIDGESTONE CORP
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