Patent Number: 6,254,657

Title: Molding method for powder particles

Abstract: Disclosed is a molding method for powder particles, which is excellent in molding performance, and which makes it possible to obtain a preliminary molded product excellent in strength by enhancing mutual bonding between particles in the preliminary molded product. A molding apparatus for powder particles includes an outer frame die having a mold space with a lower punch and an upper punch to be slidably fitted thereto. Slight clearances exist between the outer frame die and the lower and upper punches. A mixture is prepared by mixing a powdery raw material with a liquid additive to cause an exothermic reaction therewith.

Inventors: Kuwabara; Mitsuo (Tsurugashima, JP)

Assignee: Honda Giken Kogyo Kabushiki Kaisha

International Classification: B22F 3/15 (20060101); B22F 3/10 (20060101); B22F 3/14 (20060101); C04B 35/622 (20060101); C04B 035/00 (); C04B 035/10 (); C04B 035/14 (); C22C 021/00 (); C22C 001/04 ()

Expiration Date: 07/03/2018