WELDED HIGH-PRESSURE BOTTLE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; pressure vessels. SUBSTANCE: proposed welded high-pressure bottle contains shell with central part wall thickness reduced to designed section and thickened end faces for welding, lower and upper bottom plates and support shoe in bottom part. At least one of bottom plates is furnished with filling-and-discharge union. Support shoe in made in form of lower thickened end face of shell playing the part of reinforcing belt of girth weld of lower welded-in bottom plate. Lower end face of shell is furnished with closed slot formed on its inner surface and playing the part of position lock when fitting lower welded-in bottom plate inside shell. EFFECT: facilitated production of bottle, increased strength and convenience in operation. 1 dwg