| 摘要 |
<p>A preform (1) made from a thermoplastic material, in particular PET, for manufacturing large capacity bottles of at least about 5 litres by blowing or steam-blowing, is of a generally cylindrical shape in revolution and is characterised in that the preform (1), including its neck (4), which is already formed to its final dimensions, has an external diameter ( ) of at least 48 mm, preferably between about 48 and 60 mm and in practice approximately 50 mm. The upper part of the bottle may have an inclined, substantially flat region on which the bottle may be laid down.</p> |
