Patent Number: 6,253,827

Title: Method of compressing molding sand using independently controlled gas guiding pipes

Abstract: A method of compacting molding sand by using separated and independently controlled gas guiding pipes that are arranged over horizontally spaced locations of the entire surface of the molding sand. This enables independent compression of different features within the mold model and minimizes the energy consumed for compressing molding sand.

Inventors: Kaneto; Kimikazu (Toyokawa, JP), Hirata; Minoru (Toyokawa, JP)

Assignee: Sintokogio, Ltd.

International Classification: B22C 15/00 (20060101); B22C 15/24 (20060101); B22C 15/28 (20060101); B22C 015/28 (); B22C 015/24 ()

Expiration Date: 07/03/2018