Method and device for comminuting particles

Details Method and device for comminuting particles Method and device for comminuting particles

2006-08-08

2006-08-08

Banks, Derris H. (Department: 3725)

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

C241S001000, C241S005000, C241S039000

Reexamination Certificate

active

07086619

ABSTRACT:
The invention relates to a process and an apparatus for comminuting particles. The apparatus comprises at least one tube for collecting a given amount of particles, the particles forming a plug inside the tube. The apparatus further comprises at least one pressure pulse unit for generating pressure pulses, in which context the plug, subjected to a pressure pulse, is propelled from an exit aperture of the tube to hit a baffle located downstream of the tube and comprising apertures. Finally, the apparatus comprises a collection chamber following on to the baffle, in which the particles, comminuted by the impact against the baffle and passing through the apertures, are collected.

REFERENCES:
patent: 2665850 (1954-01-01), Wiczer
patent: 2945633 (1960-07-01), Lykken et al.
patent: 3897010 (1975-07-01), Weishaupt et al.
patent: 5368735 (1994-11-01), Ford
patent: 5447275 (1995-09-01), Goka et al.
patent: 5839670 (1998-11-01), Omata et al.
patent: 5921481 (1999-07-01), Nakamura et al.
patent: 5934575 (1999-08-01), Ohnishi et al.
patent: 417165 (1974-11-01), None
patent: 457486 (1975-01-01), None
Derwent Publications Ltd., London, GB: Class J02, AN 1975-81014W; XP002187410, Mar. 20,1975.

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