Pipe unit

The distance holder device (16) is a foam material layer extruded onto the inner pipe (12). The layer takes the form of a slotted pipe laid along and around the inner pipe. The material for the outer pipe (14) may be extruded on the foam layer. The distance holder device may alternatively take the f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOEFFKER, BRUNO, RIESSELMANN, FRANZ-JOSEF, FREERMANN, REINHOLD
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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Beschreibung
Zusammenfassung:The distance holder device (16) is a foam material layer extruded onto the inner pipe (12). The layer takes the form of a slotted pipe laid along and around the inner pipe. The material for the outer pipe (14) may be extruded on the foam layer. The distance holder device may alternatively take the form of a textile material (18) laid and/or wound around the inner pipe. The textile material is a strip longitudinally adhered or welded. It has a corrugated or zigzag shape. A further form of the distance holder device is a round profile material wound in screwlike fashion around the inner pipe.