The core material for trunk reform induction which features that

摘要

PROBLEM TO BE SOLVED: To provide a new core material for correcting and guiding a trunk with a simple structure, preventing improper deformation even while obtaining favorable action of a projection ridge part contributing to correction and guidance of a skeleton or a trunk, and capable of being provided to a market at proper manufacturing cost, and to provide a mattress using the same.;SOLUTION: This core material 1 for correcting and guiding a trunk is formed with a large number of pressure reception projection ridges 11 on at least one face of an upper face and a lower face thereof in parallel, to a core material body 10 using an overall flat hard foamed resin as a material, and end part sides of the pressure reception projection ridges in the longitudinal direction are integrally connected by connection ribs 12.;COPYRIGHT: (C)2012,JPO&INPIT