Pelletizing roll

Details Pelletizing roll Pelletizing roll

1992-10-07

1994-04-26

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With separate and distinct upstream agitating or kneading means

Mixing roll type

425202, 425310, 241 85, 264109, 264118, B29B 900, B29B 902

Patent

active

053061314

ABSTRACT:
A mill roll for pelletizing material having first and second counter-rotating, cylindrical rollers, the second roller having a solid exterior at its central portion, a hollow core and a series of perforations at each end. The first roller has a solid exterior. The rollers can be heated. Material to be pelletized is placed in the central portion of the nip formed between the rollers and as the rollers rotate, the material is spread outward toward the perforations where the material passes through such perforations to be cut off by a knife disposed within the second roller's hollow core. Also disclosed is a method of pelletizing material utilizing such mill roll.

REFERENCES:
patent: 532481 (1895-01-01), Perky
patent: 1327254 (1920-01-01), Remmers
patent: 3287480 (1966-11-01), Wechsler et al.
patent: 3592129 (1971-07-01), List
patent: 3627865 (1971-12-01), Wittwer et al.
patent: 3991440 (1976-11-01), Hendrickson, Jr.
patent: 4411612 (1983-10-01), Holland
patent: 4976907 (1990-12-01), Brotz

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