Patent ID: 8226881

Claim:
Die for molding a cuff on a plastic tube, the die comprising: an upper shell; a plastic tube including an outer sheath, the outer sheath being radially expandable; and a lower shell defining a molding cavity between the upper and lower shell for insertion therein of the plastic tube; wherein each of the shells has an external wall structure and an internal wall, the internal wall of a respective shell defining a half of the molding cavity and the external wall structure and the internal wall of each shell defining a hollow space there between; the molding cavity and the hollow spaces being separated from each other by the internal walls; and the die having a first opening connecting the molding cavity to an external environment, and a second opening connecting the hollow spaces to the external environment, the first opening being different from the second opening; the upper shell and the lower shell configured to be separable from each other to allow removal of the plastic tube with the cuff formed thereon.