Plastic pressure tank - manufactured by extrusion and blow moulding with pressure tight armature fastenings

摘要

The walls around the container opening are reinforced and the armature fasteners are arranged in this thickened area. Pref. an adapter ring is inserted in the container opening whose flange is affixed to the reinforced wall section and screw sockets for the armature fastening screws are worked into this wall section simultaneously in the moulding process.