Patent ID: 8662872
Filing Date: 2014-03-04
Classification: B29B,B29C

Abstract:
1. An oven ( 10 ) for the thermal conditioning of preforms made of a thermoplastic material which comprises at least one cooling circuit ( 16 ) using the circulation of a main flow of cooling air (A) which, from the upstream side to the downstream side, sequentially traverses inside the oven ( 10 ) at least: one cooling air intake area ( one heating area ( one air extraction area ( the oven ( characterized in that the confining housing ( 46 ) comprises at least one so-called secondary air inlet opening ( 54 ) which is arranged downstream of the heating area ( 16 b ) in such a way that a secondary flow of air (B) flows from outside the oven ( 10 ), directly through the said secondary air inlet opening ( 54 ), to the air extraction duct ( 42 ).