Internally coated metal pipe production - applies coating after welding of strip edges to form pipe

The method produces a metal pipe (20) with an internal coating (18), a strip (1) being shaped into a pipe blank (8) and welded along the edges. The pipe (12) so produced is shaped to the desired size. The coating is applied to the inner surface of the pipe after the edges have been welded. This can...

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Bibliographische Detailangaben
1. Verfasser:	J. I. BLINOV, V. N. KRJUKOV, V. I. SUVOROV, J. P. KHANOV, L. N. LOKHOVININ, O. V. TANTSYREV ET J. V. SAMARYANOV
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PUNCHING METAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The method produces a metal pipe (20) with an internal coating (18), a strip (1) being shaped into a pipe blank (8) and welded along the edges. The pipe (12) so produced is shaped to the desired size. The coating is applied to the inner surface of the pipe after the edges have been welded. This can be done at the same time as the pipe is heated and shaped, and a layer of supporting material can be applied to the strip before this is shaped to take the coating. LE PROCEDE DE PRODUCTION D'UN TUBE METALLIQUE 20 MUNI D'UN REVETEMENT I SUR SA SURFACE INTERIEURE COMPREND LE FORMAGE DU RUBAN 1 EN UNE EBAUCHE TUBULAIRE 8. ENSUITE, LES BORDS DE L'EBAUCHE TUBULAIRE 8 SONT SOUDES POUR FORMER UN TUBE 12 SUR LA SURFACE INTERIEURE DUQUEL EST DEPOSE UN REVETEMENT 18. LE TUBE REVETU INTERIEUREMENT 12 EST SOUMIS A UN CHAUFFAGE ET A LA DEFORMATION JUSQU'AUX DIMENSIONS DESIREES. LE PROCEDE REVENDIQUE ASSURE L'OBTENTION D'UN REVETEMENT D'UNE HAUTE QUALITE SUR LA SURFACE INTERIEURE DU TUBE 20.