HEATABLE MIXER FOR COMPOSITE PRODUCTS

The invention relates to a heatable mixer (1) for composite products based on thermoplastic material(s), having an elongated structure defining a longitudinal processing path between an inlet and an outlet and comprising a heated trough (3) wherein two mutually interpenetrating parallel twin screws...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BALL, Patrick, BINDSCHEDLER, Pierre-Etienne
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING GRANULES OR PREFORMS MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED 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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Beschreibung
Zusammenfassung:	The invention relates to a heatable mixer (1) for composite products based on thermoplastic material(s), having an elongated structure defining a longitudinal processing path between an inlet and an outlet and comprising a heated trough (3) wherein two mutually interpenetrating parallel twin screws (4 and 4) are mounted, forming member(s) for dimensionally reducing, heating and moving the products to be treated which are inserted at the inlet, each screw (4, 4′) comprising a heated and driven support shaft (5) arranged in the travelling direction (DT). Mixer (1) characterised in that the thread (4″) of each screw (4, 4) is an interrupted or discontinuous thread and comprises, over at least a major portion of the length of the relevant screw (4, 4′), a plurality of first blades (6) in the form of flat and smooth plates which are separated from each other axially and radially and all arranged according to a constant.