Blasting medium picking-apart device

Solid material comminution or disintegration – Apparatus – With automatic control

Reexamination Certificate

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Details

C241S152200, C241S248000, C241S259100

Reexamination Certificate

active

07543769

ABSTRACT:
The present invention provides a blasting medium picking-apart device comprising: a hopper-shaped container having an upper opening through which a blasting medium is put in; a blade attached to a rotary shaft which is mounted along the central axis of the container, for applying a shear force to the blasting medium when the blade is rotated; a first shearing plate attached to an inner surface of the container for applying a shear force to the blasting medium between the rotating blade and the first shearing plate; an annular horizontal plane fixed to a lower opening of the container; a rotary plate which is attached to the rotary shaft, and is disposed opposite to the horizontal plane with a predetermined space therebetween; a second shearing plate attached to the rotary plate; and a rotation drive section for driving the blade and the rotary plate for rotation via the rotary shaft.

REFERENCES:
patent: 2696910 (1954-12-01), Ljungdell et al.
patent: 2952288 (1960-09-01), Schnell
patent: 3429350 (1969-02-01), Otto
patent: 4140282 (1979-02-01), Steimel
patent: 4171103 (1979-10-01), Rossler
patent: 4187992 (1980-02-01), Del Valle
patent: 4219090 (1993-12-01), None
patent: 0099561 (1983-07-01), None
patent: 2 365 803 (2002-02-01), None
patent: 9-109029 (1997-04-01), None
patent: 2002-28466 (2002-01-01), None
Singapore Search and Examination Report dated Jul. 18, 2008.

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