FIELD: high-pressure gas bottles. SUBSTANCE: high-pressure gas bottle includes composite load-bearing envelope, inner sealing metal envelope with bottoms and metal flanges. One flange is provided with taper projection. One bottom has taper bead and is connected with taper projection of flange by means of weld seam. Taper rectilinear surface of flange projection is directed inside bottle and is connected with bead of inner envelope bottom over entire contact surface. One flange and one bottom are made without holes. EFFECT: enhanced sealing of bottle. 2 cl, 1 dwg
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