Method and apparatus for repairing glasslined equipments by sol-gel process

There is provided a method of repairing a damaged portion in the glass layer of glass-lined steel equipment wherein, as a first step, a first repair medium is applied to the damaged portion, solidified and adhered chemically to the steel by a sol-gel process, with the application of heat. In a secon...

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Bibliographische Detailangaben
Hauptverfasser:	UEGAKI, SHIGEO, WADA, KOICHI, HARA, TATSUO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	There is provided a method of repairing a damaged portion in the glass layer of glass-lined steel equipment wherein, as a first step, a first repair medium is applied to the damaged portion, solidified and adhered chemically to the steel by a sol-gel process, with the application of heat. In a second step, a second repair medium is applied on to the first layer, which second layer includes an inorganic filler and is solidified by a sol-gel process, with the application of heat. In a third step, there is applied on to the second repairing layer a liquid impregnated agent which penetrates into any voids present in the second layer and is solidified by a sol-gel process, with the application of heat.