Ummantelter Extruder

For adjusting the slit width of an extruder for the production of foils or webs, the extruder body is enclosed in a housing defining a compensation chamber, sealed by an elastic packing which extends around the mouth of the extruder slit, and a constant pressure difference being maintained between t...

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Bibliographische Detailangaben
Hauptverfasser:	GREF,HANS,DR, SCHWEICHER,WOLFGANG, HERZHOFF,PETER,DR
Format:	Patent
Sprache:	ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS 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:	For adjusting the slit width of an extruder for the production of foils or webs, the extruder body is enclosed in a housing defining a compensation chamber, sealed by an elastic packing which extends around the mouth of the extruder slit, and a constant pressure difference being maintained between the compensation chamber and the distributor chamber of the extruder body.