CPC A61L 2/14 (2013.01) [A61L 2/04 (2013.01); A61L 2/085 (2013.01); A61L 2/12 (2013.01); A61L 2/208 (2013.01); B29C 49/36 (2013.01); B29C 49/46 (2013.01); B29C 49/68 (2013.01); A61L 2202/23 (2013.01); B29L 2031/712 (2013.01)] | 14 Claims |
1. A treatment process for use in manufacturing containers from at least one preform (10) made of thermoplastic material, said treatment process having successively at least the following steps:
(a) a first step, consisting in treating, using a first injection nozzle (32), at least the interior of a preform (10) using hydrogen peroxide (H2O2);
(b) a second step, consisting in heating, using heating means (34, 46), a body (14) of said preform (10) to a molding temperature to make possible subsequent transformation of the body into a container; and
(c) a third step, consisting in treating said preform (10), using a second injection nozzle (40), with plasma to reduce a concentration of hydrogen peroxide (H2O2) residue remaining in said preform (10) after heating, wherein the second infection nozzle (40) is not introduced through a neck opening of the preform (10).
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