Method and apparatus for improved detection of holes in...

B - Operations – Transporting – 29 – C

Patent

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B29C 49/80 (2006.01) G01M 3/00 (2006.01) G01H 3/00 (2006.01)

Patent

CA 2718103

A method and apparatus for monitoring the production of blow molded plastic containers is disclosed, wherein the method and apparatus utilize a sound detector assembly adapted to be positioned adjacent a mold cavity during the introduction of pressure fluid to a preform in the mold cavity to form a container, the sound detector assembly including a reflector having a substantially conic cross-sectional shape and a sound detector and being responsive to a defect sound of the pressure fluid escaping from the interior of the container for generating an output signal.

Linvention concerne un procédé et un appareil pour surveiller la production de contenants en plastique moulés par soufflage, le procédé et lappareil utilisant un ensemble détecteur de son adapté pour être positionné de façon adjacente à une cavité de moule pendant lintroduction dun fluide de pression dans une préforme dans la cavité de moule pour former un contenant, lensemble détecteur de son incluant un réflecteur ayant une forme en coupe sensiblement conique et un détecteur de son et réactif à un son de défaut du fluide de pression séchappant de lintérieur du contenant pour générer un signal de sortie.

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