VERFAHREN ZUM HERSTELLEN EINER SCHUTZSCHICHT AUF ROHREN

A tube 1 is provided with a protective sheath by applying cement mortar 3 or a mixture of cement mortar and fibres to the outer wall of the tube, while the tube is slowly rotating, and wrapping the mortar with a banding element 4 wound about it. The use of impervious sheet material for the banding e...

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Bibliographische Detailangaben
Hauptverfasser:	KURT REEH, HANS HAEGERMANN, HELMUT SCHEFFER
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A tube 1 is provided with a protective sheath by applying cement mortar 3 or a mixture of cement mortar and fibres to the outer wall of the tube, while the tube is slowly rotating, and wrapping the mortar with a banding element 4 wound about it. The use of impervious sheet material for the banding element has the advantage that it forms a closed outer skin and hinders the evaporation of mixing water in the mortar, rendering subsequent treatment unnecessary, also that it protects the mortar from media which have a corrosive action on cement. The use of a fleece, an unwoven fabric or a woven fabric has the advantage that the banding element presses into the cement slurry and forms a common layer therewith; sealing and protection against corrosive action can then be achieved by applying a bitumen or plastics material coating.