FOERFARANDE FOER TILLVERKNING AV EN VAERMEISOLERANDE MANTEL ELLER KANAL FOER ETT ELLER FLERA ROER

Procedure for manufacturing a tube of insulating material comprising one or several inner tubes (17), a foamed plastic insulation (18) and a plastic surface layer (16). In the procedure, foaming material is conducted to encircle the inner tube (17), and similarly plastic raw material to form the sur...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LINDSTROEM, HELGE, BRENNER, JOHAN
Format:	Patent
Sprache:	fin
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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