Patent ID: 8899439

Claim:
Pressure vessel for storing a liquid or gaseous medium, comprising a core vessel, a support jacket arranged at least partially around the core vessel, a threadless opening arranged on one side of the pressure vessel, and a valve body, arranged at least partially in the threadless opening of the pressure vessel, for open-loop control and/or closed-loop control for the emptying and/or filling of the pressure vessel, wherein the valve body is provided as a single piece in the region of the opening and is arranged between the core vessel and the support jacket in such a way that the valve body functions as a boss and is fixed in its position without the need of a separate attachment boss, at least partially, by the core vessel and the support jacket, wherein the core vessel further includes a cup structure having a sidewall and a bottom wall within a partial opening, the sidewall seals against the valve body and the bottom wall prohibits the valve body from projecting into the partial opening.