Monitoring method for monitoring a film bubble in a discharge region downstream of a discharge nozzle of a blown film device

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United States of America

PATENT NO 12090700
SERIAL NO

17289824

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Abstract

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The invention relates to a monitoring method for monitoring a film bubble (FB) in a discharge region (112) downstream of a discharge nozzle (110) of a blown film device (100), comprising the following steps:

    optically detecting at least one contour parameter (KP) of a film contour (FK) of the film bubble (FB) in the discharge region (112),comparing the at least one detected contour parameter (KP) with a specific preset value (VW),determining a contour deviation (KA) between the at least one detected contour parameter (KP) and the specific preset value (VW),outputting the contour deviation (KA) as monitoring result (UE).

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Patent Owner(s)

Patent OwnerAddress
WINDMOLLER & HOLSCHER KGMUNSTERSTR 50 LENGERICH 49525

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Backmann, Martin Lengerich, DE 47 44
Bussmann, Markus Lengerich, DE 34 30
Hehmann, Ingo Lengerich, DE 4 0

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