DEVICE AND METHOD FOR PRODUCING CORRUGATED PIPES MADE OF PLASTIC

The invention relates to a device for producing corrugated pipes made of plastic. Said pipes have nominal diameters of less than 10 mm. The device consists of an extrusion device (2), a vertically oriented extrusion die (7) and a vertically oriented corrugator (8) with a vertical die cavity (35). Th...

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Bibliographische Detailangaben
1. Verfasser:	VOLL-MARJANOVIC, MILE
Format:	Patent
Sprache:	eng ; fre ; ger
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 invention relates to a device for producing corrugated pipes made of plastic. Said pipes have nominal diameters of less than 10 mm. The device consists of an extrusion device (2), a vertically oriented extrusion die (7) and a vertically oriented corrugator (8) with a vertical die cavity (35). The extrusion die (7) is provided with a nozzle that is configured in a relatively short manner in the axial direction thereof and has an annular gap (70). The extrusion die is arranged in such a way that the annular gap (70) is arranged outside the die cavity (35) and is spaced apart from the upper inflow side of the front end pertaining to the die cavity (35).