PROCEDIMENTO DI ESTRUSIONE

Parts having a complex and discontinuous peripheral geometry are extruded from a polymer comprising an intractable polymer. An extrudable powder of the polymer (13), Figure 2A, is introduced into the heated bore (12) of a ram extrusion apparatus and a die (23) which may have various shapes is then i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JEFFREY OTTO B, HOWE DAVID M
Format:	Patent
Sprache:	ita
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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