公开(公告)号：US20200062157A1

公开(公告)日：2020-02-27

申请号：US16489039

申请日：2018-02-26

Applicant: JSP Corporation

Inventor： Atsuo TAKAYAMA ,  Takamitsu MATSUMOTO

IPC: B60N2/90 ,  A47C27/14 ,  A47C7/18

Abstract: Provided is a core material of a seat cushion for a vehicle, including: a thermoplastic resin expanded beads molded article having a substantially rectangular shape in top view, that has thick portions on a front side and both sides of a circumferential portion thereof, and that has an occupant seating portion on an upper surface in an inner region thereof; and an annular frame member that is insert-molded at the circumferential portion of the thermoplastic resin expanded beads molded article. In the thermoplastic resin expanded beads molded article, formed are first slits having: slit pieces that extend along a front frame member at a position in front of the occupant sitting part and inside from the front frame part; and slit pieces that extend along a side frame member at a position outside from the occupant sitting part and inside from a side frame part.