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Quality checks to ensure tamper bands will work

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FurFarmandFork

    Food Safety Consultant, Production Supervisor

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Posted 31 October 2017 - 10:35 PM

Hey crew, need some help from packaging people.

 

We've got a new HDPE molder that makes 28mm closures (no liner) for us with a tamper band. My concern with it however is that we have no 100% inspection device on these caps to ensure they mold and cut correctly. In the past we've received bad caps from suppliers where tamper bands either break on application, or they don't break and the bottles become difficult to open, and customers see it as a serious quality defect when the tamper band doesn't hold before opening and break properly during opening.

 

Does anyone have experience working with a cap forming machine like this? What sort of quality check interval/SPC numbers did you work with? How do you verify that the machine is producing perfect caps 99.99% of the time when you don't have a 100% inspection device?

 

 


Austin Bouck
Owner/Consultant at Fur, Farm, and Fork.
Consulting for companies needing effective, lean food safety systems and solutions.

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Tamale

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Posted 08 November 2017 - 08:21 PM

Your mold cavities should be individually numbered and that number generally appears on the underside of the cap. If this is the case, at set time periods take one sample from each cavity and do a fit & form test with its destined container. 

 

That should work fine, 

 

Tamale





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Also tagged with one or more of these keywords: HDPE, closures, caps, injection molding, tamper band, tamper seal

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