HOT BLOW FORMING APPARATUS, MOLD FOR HOT BLOW FORMING AND HOT BLOW FORMING METHOD TO PREVENT EXCESSIVELY STRETCHED ONLY IN AN INNER GROOVE

摘要

PURPOSE: A hot blow forming apparatus, mold for hot blow forming and hot blow forming method are provided to prevent gas leak regardless of shape or the thickness distribution of the molding material.;CONSTITUTION: A hot blow forming apparatus, mold for hot blow forming and hot blow forming method includes a first, and second mold units(110,120) and a gas supply unit(124). The first press assembly includes an inner groove(112) and a material input portion(114). The inner groove corresponds to the shape of the molded article. The material inflow part is formed around the inner groove. The first mold unit is combined the second mould unit. A molding material is between them. The gas supply unit supplies the gas to the groove through the second mold unit in order to pressurize the molding material.;COPYRIGHT KIPO 2012