| 摘要 |
<p>Flexible, liquid-fillable bottles of polyester resin are provided, which have a capacity in litres relative to the weight thereof in grams excluding the neck of from 0.15 to 0.5 for capacities up to 5 1 and from 0.2 to 1.5 for larger capacities. The bottles are obtained by blowing parisons freely or in a rigid container, the shape of which the bottles assume, said parisons being of polyester resin with suitable rheological properties.</p> |
