| 摘要 |
Packaging bag (100) comprising a pouch (1) for storing at least one substance, said pouch (1) being provided with an outlet (2) for extracting the substance and with inner layers (6a, 6b) partly attached to the pouch (1) and partly detached from said pouch (1) so to leave free strips (8a, 8b) at the outlet (2), said free strips (8a, 8b) being joinable together to obtain a sealed membrane (11) for closing a fillable aseptic housing (9) storing the substance, a spout (13) being located off said aseptic housing (9) and fixed to the pouch (1). |
