Introduction

The optic closure inspection is the most modern, comprehensive and satisfactory way to control closures’ status, its only disadvantages being cost and complexity, as seen by the user side.    It is devoted to detection of cocked (inclined) closures, broken TE (tamper evident) bands, closures applied too high or absent at all.   All these factors implying contamination of the product and extremal risks for Consumers.  


Operation

The basic operation principle implies a single CCD- or CMOS-camera, allowing a partial coverage, <180º, of the closure external lateral surface.  The optic system includes 3 mirrors to increase the focal length, minimising optic aberrations due to parallax error.  

The optic axe is centred on the neck ring.  Single-camera equipped models cannot however prevent a bottle whose TE band is broken, from reaching the Consumer.   2-cameras systems are mandatory to prevent this occurrence.  

 


Broken Tamper Evident Rings, missing and inclined cap, cap too high or too low are the controls most commonly performed by mean visual cap camera systems













 Broken Tamper Evident Rings, missing and inclined cap, cap too high or too low are the controls most commonly performed by mean visual cap camera systems




A strobo flasher, today low-voltage model or IR LED matricial model, illuminates the bottle’ external sidewall, neck and closure. 

In case of low-voltage strobo flashes, em energy amounts to a few tens of joule, irradiated along approximately 0.1 m.  With so short illumination times, also images of fast moving objects results crisp and frozen.



 Broken Tamper Evident Ring of a zoomed Sport Cap




 The VISION camera-equipped Final Container check, here in a PepsiCo® factory in the version with single camera vision system, in-the-Machine and featuring Advanced Sampling 


Links to other Closure controls pages:




This website has no affiliation with, endorsement, sponsorship, or support of Heuft Systemtechnik GmbH, MingJia Packaging Inspection Tech Co., Pressco Technology Inc., miho Inspektionsysteme GmbH, Krones AG, KHS GmbH, Bbull Technology, Industrial Dynamics Co., FT System srl, Cognex Co., ICS Inex Inspection Systems, Mettler-Toledo Inc., Logics & Controls srl, Symplex Vision Systems GmbH, Teledyne Dalsa Inc., Microscan Systems Inc., Andor Technology plc, Newton Research Labs Inc., Basler AG, Datalogic SpA, Sidel AG, Matrox Electronics Systems Ltd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                         
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