| abstract |
Composite pressure vessel with a rotationally symmetrical inner container (3) of thermoplastic material and with a fiber wrap surrounding the inner container (3), wherein the inner container (3) merges at least one end in an outwardly directed container neck, wherein the container neck at least one pole piece (2 ) for receiving a fitting to be detachably inserted into the container neck, wherein the pole piece (2) is formed integrally with the inner container (3), characterized in that the pole piece (2) has an integral neck and a thickened upper bottom of the inner container (3 ) or surrounds a neck of the inner container (3) and surrounds an upper bottom of the inner container from the outside and that the pole piece (2) comprises a thermoplastic selected from a group comprising polyamides, polyolefins, polyether ketones, polyetheretherketones, polyethersulphones and polyethylene sulfides. |