METHOD FOR LINING INNER SURFACE OF ASBESTOS-CEMENT PIPE

A method for lining inner surface of asbestos-cement pipe includes chemical degreasing of outer surface of glass or plastic pipe, centering of glass or plastic pipe, use of cylindrical circular blocks with height 100-200 mm, of punched ropes or braids made of fiber inorganic materials for placement...

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Bibliographische Detailangaben
Hauptverfasser:	BIDNOSHEIA VALENTYN YAKOVYCH, PETRUNIAK VOLODYMYR YAROSLAVOVYCH, PARKHOMENKO IRYNA VALENTYNIVNA, BIDNOSHEYA MARIA OLEKSANDRIVNA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A method for lining inner surface of asbestos-cement pipe includes chemical degreasing of outer surface of glass or plastic pipe, centering of glass or plastic pipe, use of cylindrical circular blocks with height 100-200 mm, of punched ropes or braids made of fiber inorganic materials for placement to inter-pipe space, sealing and fixation of cylindrical ring blocks with metal pressing washers with outer threading and central opening, provision of going out of ends of glass or plastic pipes through central opening by 50- 60 mm. Internal surface of the asbestos-cement pipe is cleaned with compressed air, and circular blocks introduced to inter-pipe space have a rigid light metal frame of 100-200 mm in height, sealing and fixation thereof is carried out by screwing on asbestos-cement pipe inner threading of metal or asbestos-cement, or plastic sealing washers with outer threading at one end and a flange at other end with central opening for glass or plastic pipe and with circular inner recess in the flange for sealing ring.