ESSENTIALLY CYLINDRICAL HOLLOW BODY PROVIDED WITH A THERMAL INSULATION

A body is prepd. from a cylindrical hollow body, jacketted with a heat insulation based on a microporous heat insulation material, in which the pressure inside the jacket has been lowered to down to 10power(-6) bars. The microporous heat insulation contains 20-100 (20-89) wt.% of finely divided meta...

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Bibliographische Detailangaben
Hauptverfasser:	JOHANNES REISACHER, GUENTER STOHR, GUENTER KRATEL
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING LIME, MAGNESIA MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY PIPES REFRACTORIES SLAG SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	A body is prepd. from a cylindrical hollow body, jacketted with a heat insulation based on a microporous heat insulation material, in which the pressure inside the jacket has been lowered to down to 10power(-6) bars. The microporous heat insulation contains 20-100 (20-89) wt.% of finely divided metal oxide, 0-80 (10-70)% of inert filler, 0-50 (1-50)% of fibrous material, and 0-20 (0-10(% of hardener. The metal oxide is pyrogenic SiO2 and/or Al2O3, opt. treated with a hydrophobising agent. The degree of deformation of the material used for the jacket is 1-100%. The article has several, pref. 1-10, layers. ADVANTAGE - The heat insulation is incombustible, is formed from non-toxic materials, releases no toxic materials on heating, esp. on burning, has low heat conductivity, is impermeable to vapours, and is easily fixed.