| 摘要 |
PCT No. PCT/FR96/00538 Sec. 371 Date Dec. 16, 1997 Sec. 102(e) Date Dec. 16, 1997 PCT Filed Oct. 10, 1996 PCT Pub. No. WO96/32243 PCT Pub. Date Oct. 17, 1996A preform (3) for use in making a container such as a bottle from a thermoplastic material is selectively heated prior to at least one step of blow molding or stretch-blow molding the heated preform. For this purpose, at least most (7A) of the radiation (4) transmitted generally towards the preform by a source (1A) is focused (8) onto a preferred area (A) thereof, the source is located substantially opposite the preferred area of the preform, whereby said the preferred area (A) receives most (7A) of the radiation (4) while the areas adjacent to the preferred area (A) do not receive the radiation fraction initially transmitted towards them by the source.
|
