| 摘要 |
The invention relates to a reclosable pouring element for composite cardboard-plastic packaging, particularly packaging for beverages, consisting of a main element (1) that has a surrounding fixing flange (5) and an outer thread (4) and an inner thread (6), a cutting element (2) that has an outer thread (7) and a screw lid (3) with an inner thread (16), and the cutting element (2) is made by moulding under pressure in the end of the main element (1) opposite the fixing flange (5) and is moulded as the integral part thereof by means of connecting bridges (15), and when the pouring element is assembled, the cutting element (2) is situated inside the shell element (1). To achieve a particularly simple assembly and to ensure the integrity of the pre-assembled pouring element, the outer thread (7) consists of two thread sections (7A and 7B), each extending approximately around a quarter of the periphery of the cutting element (2) and having a gradient that is steeper than the inner thread (16) of the screw lid (3), and the cutting element (2) has protuberances (10) that jut out radially and are distributed around its outer periphery, said protuberances extending axially from the upper edge of the cutting element (2) beyond the outer thread (7), in such a way that they form a stop for the cutting element (2) that is pressed inside the main element (1) during assembly. |
