Patent ID: 8444894

Claim:
Procedure for the manufacture of a tube ( 1 ) made of a flexible material and provided with a skirt ( 3 ) and head ( 10 ), in which the skirt ( 3 ) forms the body of the tube ( 1 ), with said skirt ( 3 ) having a circular, elliptic or other cross section and being open at its opposite faces, and with the head ( 10 ) being a cover that closes at least one of the open faces of the skirt ( 3 ), said head ( 10 ) optionally comprising elements ( 7 ) for the expulsion of the contents of the tube and for the connection of a cap ( 6 ) or other closing member, characterised in that it comprises the following phases: an injection phase ( 13 ), in which a unit ( 2 ) formed by a skirt ( 3 ) and appendage ( 4 ) is manufactured, said unit being provided with one or more injection points, said points being points of entry of the material during the injection phase, where the appendage ( 4 ) is disposed on one end of the skirt ( 3 ) and partially or totally closes said end, and where the injection point or points are located on said appendage ( 4 ); a cutting phase ( 14 ), in which the appendage ( 4 ) is cut totally or partially cut and in which the cut part is removed; an over-moulding phase ( 15 ), in which the head ( 10 ) is over-moulded on any area of the part of the unit ( 2 ) formed by the skirt ( 3 ) and appendage ( 4 ) that remains after the cut part has been removed.