SEALABLE CHAMBER EXTRUSION APPARATUS AND METHOD WITH SEAL CONTROLS

An extrusion system utilizes single (30) or tandem extruders (102) and (103) and a mixer-cooler (104) to extrude a foamable extrudate through a die (37) in a sealable chamber. The foamable extrudate is shaped and calibrated within the chamber. The die (37) is mounted on the end of a gel tube (120) p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SADINSKI, ROBERT L, WOODBURN, RUSSELL C, LINCOLN, ROBERT M., JR
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR RELEVANT APPARATUS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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