Provided is a core material of a vehicular seat cushion, the core material comprising a thermoplastic resin expanded beads molded article that has little warping and exceptional dimensional precision and that has a reinforcing member integrated therewith. A core material of a vehicular seat cushion, the core material comprising: a thermoplastic resin expanded beads molded article 2 that has a substantially rectangular shape in a top view, the rectangular shape having a long side and a short side; and an annular reinforcing member 3 that is insert-molded in the peripheral edge part of the expanded beads molded article, wherein: a lightening part 4 is formed in the expanded beads molded article, the lightening part passing through in the thickness direction; and a slit 7 is formed in at least one corner of the lightening part, the slit being oriented outward from the expanded beads molded article from the vicinity of the corner part.
CORE MATERIAL OF VEHICULAR SEAT CUSHION
KERNMATERIAL FÜR FAHRZEUGSITZKISSEN
MATÉRIAU DE PARTIE CENTRALE DE COUSSIN DE SIÈGE DE VÉHICULE
2023-09-06
Patent
Electronic Resource
English