Casting runner crushing device

Details Casting runner crushing device Casting runner crushing device

2005-03-01

2008-10-21

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

Reexamination Certificate

active

07438246

ABSTRACT:
The present invention provides a runner crushing device which is capable of breaking runners of complicated shape, with no broken runners sticking to its blades, and which has an advantageous effect that broken runners can be completely recovered. The device is constituted of a receiving blade and a hydraulically operated pushing blade. The receiving blade includes a plurality of plate-like longitudinal receiving blades having a predetermined height, and a plurality of transverse receiving blades each disposed between adjacent plate-like longitudinal receiving blades in a substantially orthogonal relationship thereto. The pushing blade includes cross-shaped pushing blade single bodies having a predetermined height juxtaposed in a plurality of rows, with each pushing blade single body being capable of entering a blade space defined between the longitudinal receiving blades and the transverse receiving blades in the receiving blade.

REFERENCES:
patent: 58-100950 (1983-07-01), None
patent: 5-19450 (1993-03-01), None
patent: 6-106083 (1994-04-01), None
patent: 3043636 (1997-09-01), None
patent: 2002-224580 (2002-08-01), None

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