FIELD: packing means.
SUBSTANCE: vessel sealing device is adapted to seal vessel having threaded neck. The sealing device comprises plug to seal vessel neck and end cap to be glued or welded to vessel neck edge. The sealing device also has sealing disc projecting outside vessel neck in radial direction and used to retain end cap. The sealing device comprises ring with inner thread cooperating with outer thread of vessel neck. Ring is provided with at least one extension directed towards sealing disc and may apply pushing action to the disk in direction of disc separation from the neck. The extension passes mainly in axial direction from ring edge. Vessel and sealing device production method are also disclosed.
EFFECT: prevention of disc damage, increased vessel air-tightness and improved operational reliability of sealing device.
10 cl, 5 dwg
