| 摘要 |
An impervious baby bottle is provided with a plastic liner, a nursing nipple and a retaining cap. A venting insert is provided at the bottle mouth, between the lip and the liner, to vent the area between the bottle and liner to atmosphere so the liner collapses as liquid is dispensed therefrom. The bottle is provided with an annular recess into which the venting insert fits to position and hold the insert at the bottle lip. The plastic liner is formed of a flattened plastic tube having reentrant folds at the longitudinal sides.
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