Glass cladding the bore of a metal tube - cooling with gas probe after treatment

• Main Author: B. M. SUCHKOV, Y. F. GUBAREV ET V. M. ZYALYAEV
• Format: Patent
• Language: English; French
• Published: 27.05.1977
• Subjects: BLASTING; 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 MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GLASS; HEATING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; JOINING GLASS TO GLASS OR OTHER MATERIALS; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; MINERAL OR SLAG WOOL; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; THERMAL INSULATION IN GENERAL; WEAPONS

Method of cladding the bore of a metal (steel) tube with glass in which the tube is heated and glass bulbs are expanded against the inner tube surface by means of the increasing pressure of the contd. gas until the tubes burst, as described in the parent patent, whereby as the clad tube leaves the hot zone it is cooled with gas sprayed from a probe placed centrally inside the bore of the tube to gain improved adhesion.