Patent ID: 11919217
Assignee: BRÜCKNER MASCHINENBAU GMBH
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 10:
11. The line according to claim 1, wherein:
the sensor device comprises two cameras;
the first camera is arranged and configured in such a way that it
a) is directed towards an area of the chill roll which lies between the impingement area of the plastic melt and the electrode assembly and records an area at the left cast film edge, wherein the control device is configured to continuously determine the left cast film edge on the basis of these recordings; or
b) is directed towards an area between the slot die and the impingement area of the plastic melt on the chill roll and records an area at the left cast film edge, wherein the control device is configured to continuously determine the left cast film edge on the basis of these recordings;
and
the second camera is arranged and configured in such a way that it
a) is directed towards an area of the chill roll which lies between the impingement area of the plastic melt and the electrode assembly and records an area at the right cast film edge, wherein the control device is configured to continuously determine the right cast film edge on the basis of these recordings; or
b) is directed towards an area between the slot die and the impingement area of the plastic melt on the chill roll and records an area at the right cast film edge, wherein the control device is configured to continuously determine the right cast film edge on the basis of these recordings.