Process and device for the interior coating of an elongated hollow element

In the interior coating of the elongated hollow element, especially in the form of a pipe or tube, by means of hot-melt adhesive, the hollow element is continuously produced in a still-soft form by an extruder (EX). At a suitable distance from the outlet point from the extruder, the hollow element i...

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Bibliographische Detailangaben
Hauptverfasser:	MAYR,ERNST, SCHOEBER,GERNOT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	In the interior coating of the elongated hollow element, especially in the form of a pipe or tube, by means of hot-melt adhesive, the hollow element is continuously produced in a still-soft form by an extruder (EX). At a suitable distance from the outlet point from the extruder, the hollow element is grasped at its already solidified part (HH) and rotated about its longitudinal axis. The deformation occurring on account of the rotation can continue up to the soft part (HW) of the hollow element in the region of the outlet point from the extruder (EX) and is compensated there.