| 摘要 |
<p>The invention relates to a gas cylinder (1) made of dual-phase or complex-phase steel, including two half-shells (2A, 2B) assembled together by welding, the half-shell that forms the top portion of said cylinder (1) being provided, substantially at the top thereof and by means of welding, with a flange (6) for receiving a gas-dispensing nozzle. The invention is characterised in that said half-shell (2A) forming the top portion of the cylinder (1) comprises at least one deformation (7) in the form of at least one boss or at least one groove encircling the flange (6) for receiving the gas-dispensing nozzle.</p> |
