Device and method for drying a liquid film

Abstract

The invention relates to a device and a method for drying a liquid film (5) on a substrate. The device and the method are characterized by the following features: - a first and a second air knife (1, 2) with slot dies for providing a first and a second laminar gas flow, each of which has flow direction specified by the slot die of the respective air knife (1, 2), the slot dies being situated parallel to one another and the air knives (1, 2) being pivotably mounted in the device while maintaining the parallelism of the slot dies; - a holder (7, 7') for pivotably mounting the air knives; - a first and a second translatable lateral wall (3, 4) for at least partly blocking surface gas flows when the laminar gas flows are being provided by the air knives (1, 2), the lateral walls (3, 4) enclosing the laminar gas flows; and - a holder for mounting and translating the lateral walls in the device; - the device being at least partly open in the direction facing away from the flow directions in the process. During the operation of the device, the lateral walls (3, 4) follow the pivoting movement of the air knives.

Description

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Claims

03-03-2025-43709001-H auPtPcst-0023 PCT / DE2025 / 000093 encompassing and and specified and wherein preservation arrangement and gas flows and gas flows arrangement and and wherein the opposite arrangement arrangement arrangement an extraction to encompassing C3“09“202S- 4370900 “HauP pus -0024 and wherein gas flows and gas flows the and the gas flows and wherein gas flows arrangement side walls the pivotable gas flows pivoting gas flows change

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