Corrosion prevention in central heating system

Proposed pipe comprises an inner pipe with a central rod and three divided plates at 120 deg C intervals, and an outer pipe. The space between the inner and outer pipes is divided into 6 equal parts by divider plates at 60 deg. intervals at 30 deg and 90 deg wrt 120 deg segments of the inner tube sp...

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Bibliographische Detailangaben
Hauptverfasser:	CIARALLI FABRIZIO, LABELLA PIETRO, DI SIMONE IGNAZIO SERGIO
Format:	Patent
Sprache:	eng ; ita
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
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Beschreibung
Zusammenfassung:	Proposed pipe comprises an inner pipe with a central rod and three divided plates at 120 deg C intervals, and an outer pipe. The space between the inner and outer pipes is divided into 6 equal parts by divider plates at 60 deg. intervals at 30 deg and 90 deg wrt 120 deg segments of the inner tube spaces