Lateral melt feed extrusion nozzle for films or slabs

The invention relates to an extrusion nozzle for shaping extruded melts produced from thermoplastics to webs of film or slabs. Said nozzle substantially comprises a nozzle body (1), at least one opening for feeding the melt (2) to a distributing channel (3) with at least one retaining island (4) and...

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Bibliographic Details
Main Authors SCHUCHMANN ROLAND, LORENZ HANS, KROHMER CHRISTOPH
Format Patent
LanguageEnglish
Published 10.02.2005
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
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 relates to an extrusion nozzle for shaping extruded melts produced from thermoplastics to webs of film or slabs. Said nozzle substantially comprises a nozzle body (1), at least one opening for feeding the melt (2) to a distributing channel (3) with at least one retaining island (4) and a slit die-type nozzle emergence zone (5). The melt (2) is fed to the distributing channel (3) laterally relative the extrusion direction (E) predetermined by the nozzle emergence zone (5). The invention further relates to a corresponding production method and to films and slabs produced according to the inventive method.
Bibliography:Application Number: US20040494730