Chugai Ro Co., Ltd.

Sumitomo Sitix Co., Ltd.

Tatsuo Naritomi

Takashi Banno

Hisayuki Wada

Toshiyuki Ohta

Masaji Katsumaru

Yoshinobu Toshida

Tadayuki Choshi

A method and apparatus for producing a high-melting-point and high-toughness metal, comprising: reducing a high-melting point and high-toughness metal chloride with an activated metal to form a high-melting-point and high-toughness sponge metal in a reducing vessel arranged sideways relative to a condensing vessel, wherein the condensing vessel is integrally connected to the reducing vessel through a conduit, and at least one of the reducing vessel and/or the condensing vessel is supported so as to move with thermal expansion of said conduit; and measuring a weight-change of the vessel supported so as to move with thermal expansion of the conduit to estimate the degree of progress of a separating and recovering process on the basis of the detected weight-change when nonreacted activated metal and its chloride remaining in the sponge metal formed in the reducing vessel are recovered into the condensing vessel by vacuum separation.

Method of producing high-melting-point and high-toughness metal and

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Hyogo, Japan

Tatsuo Naritomi