| 摘要 |
<p>The invention relates to a method for manufacturing a skirt (2) of a flexible tube (3) one end of which is intended to be closed by a head (4), for example a tube (3) for cream, by triple-bubble extrusion blow moulding of a biaxially oriented film, including: before flattening the third bubble, a step of thermal stabilisation of the film forming the third bubble and, following the flattening of the third bubble, the formation, from the biaxially oriented film, of an open skirt (2) at two opposite ends.</p> |
