METHOD FOR PRODUCING WEDGE-SHAPED, THERMOPLASTIC FILMS AND USE THEREOF

The invention relates to a continuous method for producing a wedge-shaped, thermoplastic film (1), comprising the method steps of (A) unwinding a flat, thermoplastic film (2) from a supply roll (3) and transporting same onwards to a heating drum (4), (B) heating the plastics film (2) with a heating...

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Bibliographische Detailangaben
Hauptverfasser:	KLUCZEWSKI WOJCIECH, LUCKE STEFAN, GIER STEPHAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY GLASS INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS 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:	The invention relates to a continuous method for producing a wedge-shaped, thermoplastic film (1), comprising the method steps of (A) unwinding a flat, thermoplastic film (2) from a supply roll (3) and transporting same onwards to a heating drum (4), (B) heating the plastics film (2) with a heating drum (4) and transporting same onwards to compression rollers (5), (C) pressing the plastics film (2) in the nip (5.1) between two heated compression rollers (5), wherein the nip (5.1) has a clear width (5.2) which corresponds to the cross-sectional profile (1.1) of the plastics film (1) to be produced, and transporting same onwards to a stretching apparatus (6), (D) stretching the plastics film (1) with a wedge-shaped cross-sectional profile (1.1) in the stretching apparatus and transporting the plastics film (1) onwards to a cooling apparatus (7), (E) cooling the plastics film (1) in the cooling apparatus (7) and transporting same onwards to a cutting apparatus (8), and (F) cutting the plastics film (1) to the de