FIELD: plastic working of metals, namely manufacture of high-pressure bottles.
SUBSTANCE: method comprises steps of forming shell; swaging at least one open end of shell; forming bottom and mouth while making at least two mutually joined cone surfaces and increasing central angle from shell to mouth; at least after one swaging operation performing heat treatment of swaged end of shell. High-pressure bottle includes shell and two bottoms. One bottom has mouth for placing locking means. Bottom and mouth are made as one piece. Bottom from shell until mouth is in the form at least of two joined lateral surfaces of circular regular truncated cones. Each such joint is performed due to joining lateral surfaces of truncated cones along lines of bases of their small and large diameters respectively. Said joints may be smooth, with radius transitions.
EFFECT: simplified design of bottle, enhanced technological effectiveness of making it.
6 cl, 4 dwg
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