Process and apparatus for manufacturing powder rubber

Details Process and apparatus for manufacturing powder rubber Process and apparatus for manufacturing powder rubber

2006-08-22

2006-08-22

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Processes

With heating or cooling of material

C241S024170, C241S065000, C241SDIG031, C241SDIG037

Reexamination Certificate

active

07093781

ABSTRACT:
A process and apparatus for making crumb and powder rubber from preprocessed rubber particles. The process and apparatus provides an energy efficient operation wherein the preprocessed rubber particles are dried, precooled, frozen, comminuted and sized using a closed cryogenic fluid cycle.

REFERENCES:
patent: 4025990 (1977-05-01), Lovette, Jr.
patent: 5385307 (1995-01-01), Azar
patent: 5735471 (1998-04-01), Muro
patent: 5927620 (1999-07-01), Memon

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