Method and equipment for producing solid granules of pitch in th

Details Method and equipment for producing solid granules of pitch in th Method and equipment for producing solid granules of pitch in th

1982-06-18

1984-11-13

Lieberman, Paul

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

264178R, 264178F, B02C 102

Patent

active

044825170

ABSTRACT:
The pitch is extruded at a suitable temperature through cylindrical nozzles. At the exit from these nozzles the pitch is lowered into water, where a cutter divides it into granules which, deposited on a conveyer belt, remain immersed long enough to permit suitable cooling. Then they undergo drying by hot jets of air.

REFERENCES:
patent: 3334167 (1967-08-01), Kenney
patent: 3491177 (1970-01-01), Johnson
patent: 3972968 (1976-08-01), Kohn
patent: 3997654 (1976-12-01), Kolling et al.

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