| 摘要 |
Process for making preforms made of two different materials wherein the first material ( 4 ) and the second material ( 22 ) are injected with nozzles having center axis that are not coaxial. Preferably the preforms comprise an inclusion of the second material within the lateral wall of the first material. The new preforms preferably comprises a bottom region ( 1 c) and a lateral wall region ( 1 b), wherein the bottom region is entirely made of the first material and the lateral wall region is generally made of the first material ( 4 ) with the exception of at least one volume ( 14 ) which is filled by the second material ( 22 ).
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