A MOLD FOR BENDING THERMOPLASTIC RESIN SEAT, A BENDING PROCESS, AND A FORMED BODY THEREFROM

摘要

PURPOSE: A mold for bending thermoplastic resin sheets, a bending and molding method, and a bent body are provided to manufacture a sturdy thermoplastic resin sheet body by suppressing the spring back phenomenon of a thermoplastic resin sheet. CONSTITUTION: A mold(10) for bending thermoplastic resin sheets comprises a female mold(11) and a male mold(12). The male mold has a convex part(19). The convex portion is formed on a correspondent part of a bent portion of the thermoplastic resin sheet. The convex portion distorts the bent portion of the thermoplastic resin sheet in the thickness direction of the thermoplastic resin sheet.