FORMING MACHINE COMPRISING A COMMUNICATION PIPE BETWEEN A COMPENSATION CHAMBER AND A NOZZLE
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United States of America Patent
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Issued Date -
Feb 12, 2015
app pub date -
Apr 2, 2013
filing date -
Apr 2, 2012
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Abstract
A machine (10) for forming containers made of a thermoplastic material, includes: a mold consisting of two half-molds (12A, 12B) defining a molding cavity (14); a forming pipe (24) which couples the molding cavity (14) to a pressurized-fluid source (26), and which is capable of being closed off by a valve (32); a compensation chamber (34) which is combined with a half-mold (12A); a compensation pipe (40) which couples the compensation chamber (34) to a pressurized-fluid source (26) parallel to the forming pipe (24); and a pipe (44) for bypassing the compensation pipe (40), characterized in that the bypass pipe (44) is coupled to the forming pipe (44) between the valve (32) and the molding cavity (14).
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