Patent ID: 8419400
Filing Date: 2013-04-16
Classification: B22F,B28B,B30B,C04B,C23C,H01J,Y10T

Abstract:
1. A molding die for compression molding, which is a molding die for producing a green body by filling and compressing a raw material powder in the molding die, the molding die comprising: a frame configured such that at the time of pressure compression, pressing is applied to a filled raw material powder only in a substantially uniaxial direction, and at the time of reducing the pressure after the completion of pressing, the pressure can be released substantially isotropically with respect to the green body, wherein the frame comprises a plurality of side frame members disposed on a bottom frame member, the side frame members and the bottom member are engaged to prevent movement of the plurality of frame members toward an inner volume defined by the frame members while permitting movement of the frame members away from the inner volume.