The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 26, 2024

Filed:

Mar. 26, 2021
Applicant:

Jsp Corporation, Tokyo, JP;

Inventors:

Keiichi Hashimoto, Kanuma, JP;

Katsunori Hisamatsu, Kanuma, JP;

Shogo Iwasaki, Kanuma, JP;

Assignee:

JSP Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/228 (2006.01); B60N 2/70 (2006.01); C08J 9/00 (2006.01); C08J 9/224 (2006.01);
U.S. Cl.
CPC ...
C08J 9/228 (2013.01); B60N 2/70 (2013.01); C08J 9/0061 (2013.01); C08J 9/224 (2013.01); C08J 2203/22 (2013.01); C08J 2323/12 (2013.01); C08J 2423/06 (2013.01);
Abstract

A vehicle seat core material includes a molded article that includes thermoplastic resin expanded beads. The molded article has a substantially rectangular shape in a top view, and has a front side and a rear side opposite the front side. The molded article has an average density (Z) of 20 kg/mto 50 kg/m. The molded article includes, on the rear side of the molded article, a rear thin portion having a thickness of 10 mm to 40 mm, the thickness of the rear thin portion being smaller than an average thickness of the molded article. A ratio (Y/Z) of a density (Y) of the rear thin portion to the average density (Z) of the molded article is 1.05 to 3. The rear thin portion of the molded article has a fusion rate of 70% or more.


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