| 摘要 |
<p>The invention relates to a rigid or semi-rigid piece of plastic forming the base (1) of a packaging, the side wall (2) of which is made from a laminated film, said piece being centred about an axis (3), characterised by : a. a peripheral welding zone (4) for contact with and fixing to the internal surface (5) of the side wall (2) by welding, b. a convex internal face (6) and an external concave face (7), c. the internal face (6) and the external face (7) each has a zone (10,11), centered around the axis (3), for contacting a tool used for fixing the piece to said side wall (2), d. a profile at least partly defined by a curve. The invention further relates to a packaging provided with a base made from a piece as described above.</p> |
