Method for manufacturing stiff plastic sections with improved heat insulation for window construction and the use

Method for manufacturing stiff plastic sections with improved heat insulation for window construction and the use

The method involves co-extruding a foaming material in the cavity of a plastic hollow profile (2). The foaming material is foamed in the cavity of a plastic hollow profile. A plastic material (3) is poured in a heated extruder (8) in a solid condition. The plastic material is melted and the melted p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KNAPP, WOLF DIETER
Format: Patent
Sprache:eng ; pol
Schlagworte:
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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Beschreibung
Zusammenfassung:The method involves co-extruding a foaming material in the cavity of a plastic hollow profile (2). The foaming material is foamed in the cavity of a plastic hollow profile. A plastic material (3) is poured in a heated extruder (8) in a solid condition. The plastic material is melted and the melted plastic material (4) is extruded by the nozzle to a plastic hollow profile. The plastic material is polyvinyl chloride. The plastic material exists as granules or as powder.