METHOD FOR SECURING TUBES TO TUBE PLATES

plastic metal working. SUBSTANCE: method comprises steps of preliminarily reducing tube end portion, then forming on its outer surface annular protrusion in the form of two different-size trapeziums. Small base of upper trapezium has sharpened edges mutually spaced by distance equal to interval betw...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOZIJ S.S, BATRAEV G.A, KOZIJ S.I
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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