Method and apparatus for detecting holes in plastic containers

A method and an apparatus for monitoring the production of blow molded plastic containers ( 20 ) includes a columnator ( 26 ) and sound detector ( 24 ) responsive to a defect sound of pressure fluid escaping from a container being formed in a mold cavity ( 14 ). The columnator is effective to filter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAYWARD DONALD W, MILLER DONALD WAYNE, BOGSTAD DAVID A
Format: Patent
Sprache:eng
Schlagworte:
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