HIGH-PRESSURE MIXING DEVICE WITH SINGLE-PIECE DELIVERY DUCT, AND RELATED METHOD

A high-pressure mixing device (1) adapted to form a polymeric mixture from the reaction of two or more reactive liquid components or resins, comprises a head-body (2) provided with a mixing chamber (3) having an inner cylindrical surface (4) with inlet (5) and outlet (6) openings for injecting and r...

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Bibliographische Detailangaben
Hauptverfasser:	Fini, Fabio, Corti, Maurizio, Volpato, Marco, Molteni, Giorgio
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 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:	A high-pressure mixing device (1) adapted to form a polymeric mixture from the reaction of two or more reactive liquid components or resins, comprises a head-body (2) provided with a mixing chamber (3) having an inner cylindrical surface (4) with inlet (5) and outlet (6) openings for injecting and recirculating reactive components; a duct (7) for delivering the mixture, communicating with the mixing chamber (3); a valve body (9) with recirculation longitudinal slots (10), sliding into the mixing chamber (3) between a backward position in which it clears the inlet openings (5) and enables to mix components, and an advanced position, in which the slots (10) put inlet openings (5) in communication with outlet openings (6) for recirculating the reactive components. Also disclosed is a related method.