Tank for storing fluids at high pressures, in particular a gas for fuelling a motor vehicle engine, and manufacturing method thereof

摘要

A tank for storing a fluid at high pressure comprises a body (12) made of high-carbon steel or high-strength steel, to which a valve is rigidly fixed. The body (12) is formed in a single piece and comprises a terminal region (15) equipped with portions with thickened walls (16), which are arranged with central symmetry with respect to an axis (X) of the body (12). Made in at least one of the portions (16) is a through opening (17) to enable fixing thereto of the valve.