| 摘要 |
<p>Bottom (2) of a hollow body obtained by blowing or stretch-blowing a preform of a thermoplastic material, wherein said bottom (2) includes a transverse support surface (4) and, on either side of said transverse support surface (4), a transverse outer edge (5) and a concave inner wall with a transverse central portion (10) comprising a pellet (11) of a low-crystallinity material, said pellet corresponding to the injection point of the perform; the bottom (2) comprises reinforcing ribs (1) having an outer edge (12) adjacent to the outer edge (5) of the bottom (2) as well as an inner edge (13) adjacent to the transverse central portion (10) but not reaching said transverse central portion (10), wherein said reinforcing ribs (1) flare from their outer edge (12) toward their inner edge (13).</p> |
