Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1990-03-08
1993-03-23
Gorski, Joseph M.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 48, 2411881, B02C 2306, B02C 2318
Patent
active
051956950
ABSTRACT:
A method and apparatus for fine grinding materials normally difficult to grind at ambient temperature, e.g. plastic and elastomeric materials in a fluid classification type impact mill utilizing liquid cryogen to pre-cool the material to be ground, to cool the material and the mill during grinding and to recycle vaporized cryogen from the mill back into the mill as the medium for conveying material to be ground into the mill.
REFERENCES:
patent: 2609150 (1952-09-01), Bludeau
patent: 2753121 (1956-07-01), Elfenbein
patent: 3285523 (1966-11-01), Duyckinck et al.
patent: 3329350 (1967-07-01), Wisgerhof et al.
patent: 3965267 (1976-06-01), Davis
patent: 4641787 (1987-02-01), Petersen et al.
Anderson Arthur H.
Ondush Andrew P.
Ritter Richard D.
Air Products and Chemicals Inc.
Gorski Joseph M.
Marsh William F.
Simmons James C.
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