Solid material comminution or disintegration – Apparatus – Rolls frictionally driven and supported by relatively moving...
Reexamination Certificate
2005-04-05
2005-04-05
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Rolls frictionally driven and supported by relatively moving...
C241S117000
Reexamination Certificate
active
06874715
ABSTRACT:
Improvements in EL type pulverizers provide for longer wear life and reduced incidences of parts failures include: deep-dish contour grinding rings, tight tolerance ball tracks, heavy-duty top grinding ring flukes, larger diameter grinding balls, and an improved all-metal, integral snubber design for limiting the horizontal movement of the top grinding ring in order to increase the useful life of the pulverizer elements.
REFERENCES:
patent: 2389844 (1945-11-01), Ebersole
patent: 3344998 (1967-10-01), Eft
patent: 3454231 (1969-07-01), Engler
patent: 4049203 (1977-09-01), McKenzie
Jackson Andrew E.
Moen Noel S.
Pugh Jeffrey C.
Marich Eric
Rosenbaum Mark
Seymour Michael J.
The Babcock & Wilcox Company
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