VEHICLE SEAT CORE MATERIAL

Title:

VEHICLE SEAT CORE MATERIAL

Document Type and Number:

WIPO Patent Application WO/2021/200641

Kind Code:

A1

Abstract:

The present invention provides a vehicle seat core material which is not susceptible to the occurrence of cracking or chipping in a thin part. A vehicle seat core material (100) which comprises a thermoplastic resin foam particle molded body (10) that has a generally rectangular shape in a top view, while a rear-side thin part that is thinner than the average thickness of the foam particle molded body and has a thickness (t) of from 10 to 40 mm. With respect to this vehicle seat core material, the average molded body density (Z) of the foam particle molded body is from 20 to 50 kg/m3; the ratio of the molded body density (Y) of the rear-side thin part to the average molded body density (Z) of the foam particle molded body, namely (Y)/(Z) is from 1.05 to 3; and the fusion rate of the rear-side thin part of the foam particle molded body (10) is 70% or more.

Inventors:

HASHIMOTO KEIICHI (JP)
HISAMATSU KATSUNORI (JP)
IWASAKI SHOGO (JP)

Application Number:

PCT/JP2021/012833

Publication Date:

October 07, 2021

Filing Date:

March 26, 2021

Export Citation:

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Assignee:

JSP CORP (JP)

International Classes:

A47C7/20; A47C27/14; B60N2/90

Domestic Patent References:

WO2017135456A1

2017-08-10

Foreign References:

JP2019030597A	2019-02-28
JP2018034547A	2018-03-08
JP2015137061A	2015-07-30
JP2018029844A	2018-03-01

Other References: