Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Reexamination Certificate
2003-10-14
2010-02-02
Teskin, Fred M (Department: 1796)
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
C241S023000, C241S024170, C521S045000, C521S045500, C528S499000, C528S50200C
Reexamination Certificate
active
07654477
ABSTRACT:
A process for producing a rubber powder from a vulcanized rubber material by the steps of: a) feeding a grinding device with the vulcanized rubber material; b) contacting the vulcanized rubber material with at least one liquid coolant; c) introducing at least one grinding aid additive into the grinding device; d) operating the grinding device so as to grind the vulcanized rubber material to form a rubber powder, and e) discharging the rubber powder from the extruder.
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Di Biase Matteo
Galbusera Michele
Monterosso Antonio
Peruzzotti Franco
Puppi Cristiano
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Pirelli & C. S.p.A.
Teskin Fred M
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