JPS6111772B

PURPOSE:To make it possible to mix a main gredient and a liquid additive evenly, by using a single-fhaft screw extruder in which the depth of the screw groove part near the liquid injection port is made shallower than that of the measuring part of the extruder. CONSTITUTION:A liquid additive is inje...

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Bibliographische Detailangaben
Hauptverfasser:	ITSUSHIKI SETSUYA, YAMAMOTO SHUJI
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:	PURPOSE:To make it possible to mix a main gredient and a liquid additive evenly, by using a single-fhaft screw extruder in which the depth of the screw groove part near the liquid injection port is made shallower than that of the measuring part of the extruder. CONSTITUTION:A liquid additive is injected into the extruder from liquid injection port 3 and is mixed with resin fed from hopper 4. Here, since the depth W of the screw groove part near the place where the liquid additive is injected is formed shallow, the flow of resin becomes extremely fast, so that the liquid additive does not stay in the part rising in the back from the bottom surface of the groove and it is dispersed into resin evenly.