| 摘要 |
<p>The invention relates to a bag (1) having the dimensions of a jumbo-sack. The bag (1) is preferably provided with closing means (9) for dust-tight closure of the filling opening (8). This has the advantage that materials can be transported in dust-tight manner. This is of particular importance in the transport of material sensitive to moisture or contamination, such as cement products and food products such as tea. Preferably the bag (1) is at its upper side provided with an inlet valve (8,9), the outflow valve (11,26) is provided with fastening means (12,27) for causing mutual fastening of the walls of the valve (11,26). <IMAGE></p> |
