FIELD: manufacture of reservoirs for storage and transportation of liquid or gaseous working media, pressure fuel in particular. SUBSTANCE: skin of fuel tank head and frame web have similar thickness without thermal compensator. Strength of welded joint at welded area corresponds to strength of base metal of head skin. Frame web is made from two engageable parts at different angles of inclination. Skin blank is welded together with frame web and then is deformed by rotary drawing to obtain required shape of head. Subjected to deformation are: entire skin, welded seam part of frame web. EFFECT: reduced mass of head; enhanced strength of welded joint corresponding to strength of base metal. 3 cl, 3 dwg
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