Method of and Apparatus for the Cooling of Extruded Plastic Profiles or Sections

An isobaric vaporization cooling for extruded thermoplastic profiles is carried out at 25 inches Hg in a tank by spraying water onto the extrusions. The water vapor and any air entering the tank are withdrawn to maintain the pressure constant during the cooling and the condensate from the withdrawn...

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Bibliographische Detailangaben
1. Verfasser:	GROEBLACHER, HANS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS 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:	An isobaric vaporization cooling for extruded thermoplastic profiles is carried out at 25 inches Hg in a tank by spraying water onto the extrusions. The water vapor and any air entering the tank are withdrawn to maintain the pressure constant during the cooling and the condensate from the withdrawn vapor is recycled to the spraying nozzles.