CRYOGENIC PROCESSING OF USED TIRES AND OTHER MATERIALS

Old tires are cut into strips (49), cryogenically cooled in liquid nitrogen (60) to make the rubber brittle, and the frozen strips fed through a pair of pinch rollers (50A). One of the rollers has a grooved and knurled surface. The rollers are pushed together by hydraulic rams; the pinch force is la...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CRAIG, RONALD, GORDON, CASS, LLOYD, DONALD, ZUWALA, STANLEY, MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MAKING GRANULES OR PREFORMS MILLING GRAIN PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED PREPARATORY TREATMENT OF GRAIN FOR MILLING RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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