摘要:
The present invention relates to the construction of a core member or a partition plate and method for manufacturing the same by use of blow molding means, wherein a hollow plate member formed of a synthetic resin is used for a seat core member and a partition plate for vehicles such as automobiles, the decrease in strength resulting from the hollow structure is prevented by reinforcing members molded at the same time when the body composed of a plate member is blow molded, the core member or the partition plate being strengthened by the body and the reinforcing members within the body.