| 摘要 |
<p>A cap and spout assembly (10) has a cap element (20) and a spout element (40). The cap element (20) includes a container engagement element (22) adapted to engage a container (12); a sealing ring extending upwardly around the cap seal surface (24); and flow apertures (28) through the cap seal surface (24). The spout element (40) includes a spout orifice; an annular spout rim extending downwardly to engage the cap element; a flow chamber (52) formed between an inner spout surface and the cap seal surface (24); and sealing elements (54) extending to abut the cap seal surface (24) for sealing the flow apertures (28) when the spout element is moved to a closed position, but not block the flow of the liquid when the spout element is in an open position.</p> |
