Grinding apparatus

Details Grinding apparatus Grinding apparatus

1989-07-31

1990-11-27

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 67, 241257R, 2412591, 2412611, B02C 2318

Patent

active

049730037

ABSTRACT:
A grinding apparatus includes a frame, a first grinding assembly mounted on the frame for rotating about a vertical axis and a second grinding assembly supported on the frame and sleeved around the first grinding assembly. The first grinding assembly has a substantially truncated cone-shaped member with an external frusto-conical grinding surface. The truncated cone-shaped member is tapered upward. The second grinding assembly has an internal frusto-conical grinding surface to contact the external frusto-conical grinding surface of the truncated cone-shaped member for grinding. A driving device is provided for rotating the first grinding assembly about the vertical axis with respect to the second grinding assembly.

REFERENCES:
patent: 856311 (1907-06-01), Sturtevant et al.
patent: 1262091 (1918-04-01), Pratt
patent: 1794972 (1931-03-01), Mayer
patent: 1851071 (1932-03-01), Travis
patent: 2342252 (1944-02-01), Claybourn et al.
patent: 2749814 (1956-06-01), Haug
patent: 3398900 (1968-08-01), Guba et al.
patent: 4469284 (1984-09-01), Brubaker et al.

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