Double flow channel for an extruder head

The invention provides a method and an extruder head (5) for forming simultaneously two or more elastomeric strips of predetermined cross-sectional profiles from a material. The material is received from an extruder into an inlet channel (10) where it is divided into a first and a second angled flow...

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Bibliographic Details
Main Authors TURNER, BRUCE JOSEPH, LOOMAN, ERNEST WILFORD, JR
Format Patent
LanguageEnglish
French
German
Published 08.10.2008
Subjects
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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Summary:The invention provides a method and an extruder head (5) for forming simultaneously two or more elastomeric strips of predetermined cross-sectional profiles from a material. The material is received from an extruder into an inlet channel (10) where it is divided into a first and a second angled flow passage (40, 50). The material passes through a transition area (80) where it is straightened out and the center of mass of the material is moved into alignment with the center of a divertor (100) located in a downstream discharge channel (90). The material is then discharged into a preformer and die (60).
Bibliography:Application Number: EP20050109338