APPARATUS TO FEED-REMOVE GAS FOR MOLTEN BATH OF THERMOPLASTIC HIGH-MOLECULAR POLYMERS OR OTHER LIQUID MASSES

Apparatuses for treating with a gas or for degassing thermoplastic materials are presented, in which planetary spindles (13) rotating about a central spindle (3) in a housing (1) mesh with their helical gearing the helical gearing of the central spindle (3) and of the housing inner wall. The gas dif...

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Bibliographische Detailangaben
1. Verfasser:	VERNER MYULLER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Apparatuses for treating with a gas or for degassing thermoplastic materials are presented, in which planetary spindles (13) rotating about a central spindle (3) in a housing (1) mesh with their helical gearing the helical gearing of the central spindle (3) and of the housing inner wall. The gas diffused out from the plastic melt on the surfaces of the spindles is removed from the housing via a degassing chamber of a vacuum apparatus, the said chamber being axial or cylindrically surrounding the spindles.