Improved pouring cap, intended especially for flexible packaging, which is essentially characterized by being composed of three main parts, one formed by a tubular body carrying a walled, slightly frustoconical and equipped, on the outer cylindrical surface, a few threads in different sense, while of the two remaining components, one is determined by an internally threaded ring, proper to be applied on the thread of the basic body near the flange and equipped with perforated ears, while the last element of this plug is It is formed by a closing cap, with internal thread suitable for coupling to the remaining thread of the aforementioned and also possessing perforated ears, which, in conjunction with those of the ring referred to, allow the placement of a guarantee seals for the container, which, when it is of laminar walls, is welded or glued by its mouth on the flange of the the tubular or pourer element. (Machine-translation by Google Translate, not legally binding)
展开▼
