Patent Number: 6,915,970

Title: Device for vibratingly smashing sand masses

Abstract: An apparatus for vibratingly smashing sand masses, comprising a sand tank (30) elastically supported and having an inner tank (33) therein for holding sand masses; and vibrating means (21) having unbalanced weights for vibrating the sand tank, including the inner tank, by rotating the unbalanced weights, such that the vibrations of the sand tank draw a Lissajous's figure of approximately a circle. The inner tank (33) is defined by a wall (31) disposed in the sand tank apart from the inner surface (30A) of the sand tank (30), the wall (31) having a plurality of apertures (32).

Inventors: Iyoda; Yoshiji (Toyokawa, JP), Suzuki; Akito (Toyokawa, JP), Sugiura; Tadashi (Toyokawa, JP)

Assignee: Sintokogio, Ltd.

International Classification: B22C 5/04 (20060101); B22C 5/00 (20060101); B22D 29/02 (20060101); B22D 29/00 (20060101); B02C 17/16 (20060101); B02C 17/00 (20060101); B02C 17/14 (20060101); B22D 029/02 ()

Expiration Date: 07/12/2022