US 12,409,596 B2
Pinning device, casting unit as well as stretching unit
Stefan Fußstetter, Traunstein (DE); Florian Adler, Siegsdorf (DE); Anton Edfelder, Unterwössen (DE); Günter Oedl, Salzburg (AT); Anthimos Giapoulis, Traunstein (DE); Peter Maurer, Rohrdorf (DE); and Florian Kellnberger, Grafing (DE)
Assigned to Brückner Maschinenbau GmbH, Siegsdorf (DE)
Filed by BRÜCKNER MASCHINENBAU GmbH, Siegsdorf (DE)
Filed on Jul. 25, 2023, as Appl. No. 18/358,415.
Claims priority of application No. 10 2022 118 971.6 (DE), filed on Jul. 28, 2022.
Prior Publication US 2024/0042668 A1, Feb. 8, 2024
Int. Cl. B29C 48/88 (2019.01); B29C 48/08 (2019.01)
CPC B29C 48/914 (2019.02) [B29C 48/08 (2019.02)] 20 Claims
OG exemplary drawing
 
1. A pinning device for an electrostatic pinning of a film on a chill roll, comprising: a first coil unit, a second coil unit, a pinning region situated between the first and second coil units, a high-voltage source as well as at least two electrodes, wherein at least a first electrode of the at least two electrodes is strip-shaped, wherein the at least two electrodes run from the first coil unit to the second coil unit in the pinning region, and
wherein high voltage is applied to the at least two electrodes by the high-voltage source.