Asahi Denka Kogyo K.k.

Toshiya Fujishima

Toshihiro Hayashi

Hiroshige Kohno

Satoru Takeda

Yoshiyuki Hidawa

A method of providing hollow cast products using a filling unit wherein a non-solid material is filled into elastic molds having open bag shaped interior filling sections by a filling nozzle insertable internally of the filling sections of the elastic molds and a blowing nozzle for blowing air into the filling section, which includes: partly filling the filling sections of the elastic molds with the non-solid material, and blowing air into the partly filled filling sections before the material solidifies to blow the material upward and solidify the material on the inner peripheral surface of the filling sections.

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Zushi, Japan

Toshiya Fujishima