Provided a seat core member in which occurrence of rubbing sound due to sliding on a contact surface between a cushion layer and the seat core member is suppressed. In a seat core member of a seat portion (3) provided with the seat core member (4) made of a hard synthetic resin foam and a cushion layer (5) made of a soft synthetic resin foam and covering the seat core member, the seat core member includes a plurality of ridges (10) extending in a rising direction (9) of the seat core member in a rising portion (7) of the seat core member being in contact with the cushion layer and opposing to calves of a body is formed.
SEAT CORE MATERIAL, SEAT PORTION, AND SEAT
SITZKERNMATERIAL, SITZTEIL UND SITZ
MATÉRIAU DE NOYAU DE SIÈGE, PARTIE DE SIÈGE ET SIÈGE
2021-05-05
Patent
Electronic Resource
English