Blow-moulding plant with apparatus for automatic burst detection in blow-moulded containers
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United States of America Patent
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N/A
Issued Date -
Jul 24, 2003
app pub date -
Oct 24, 2002
filing date -
Mar 1, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Plant for blow moulding hollow plastic bodies, comprising: a plurality of preform blow-moulding dies (1); at least an acoustic/electric transducer apparatus (2) adapted to detect the sound issued outwardly by the individual blow-moulding dies (1) during the blow-moulding process, and to convert it into an electric signal, means adapted to process said electric signal and convert it into a signal capable of being compared with a reference signal, means adapted to perform such a comparison of said processed electric signal with said reference signal or level, means adapted to selectively reject said hollow bodies off the production line in accordance with the outcome of said comparison. Said acoustic/electric transducer apparatuses (2) are at least partially housed inside the platen or frame that is common to several dies (1), and are arranged in the vicinity of respective blow-moulding cavities.
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