Head of flexible horn intended for connection with the horn body, a flexible horn and method for producing it

The subject of the invention is the head of an elastic tube designed for connection to a tube body, consisting of a flange (2) connected to the end of the threaded neck (3), containing an outer thermoplastic layer made of materials such as HDPE, LDPE, a mixture or a mixture of polyethylene with any of its copolymers, and an inner liner made of material containing a barrier layer, the inner liner covers the inner surface of the collar (2) as well as the inner surface of the neck (3) while closing the mouth of the neck (3) tightly, characterized by that the insert is a laminate containing aluminum foil and dispersed silver ions in an amount of 25 to 500 ppm. Another subject of the invention is a flexible tube and a method for producing a flexible tube head.