| 摘要 |
<p>There is described a spout (4) for opening devices (3) of sealed packages (1) of pourable food products. The spout (4) has an annular flange (7) fixable to a respective package (1), and a tubular neck portion (8) projecting from the flange (7) and defining, with the flange, a through opening (6) through which to pour the food product; and the spout (4) also has, at least at a section crosswise to the axis (A) of the opening (6), a constriction (13) constricting flow of the pourable food product.</p> |
