Apparatus and method for processing shear sensitive coating compositions
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United States of America
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Feb 4, 2025
Grant Date -
Oct 7, 2021
app pub date -
Jul 18, 2019
filing date -
Jul 18, 2019
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Abstract
The invention relates to a device for processing shear-sensitive coating compounds (100), with a transfer roller (1) and a doctor blade (2), in particular a comma doctor blade, which are spaced apart from one another to form a coating nip (3), the device further having an outlet nozzle (4) for dosing a coating compound (100), the outlet nozzle (4) facing a lower nip opening (6) of the coating nip (3) with its nozzle opening (5), wherein the device comprises a forced conveying system (7) via which a coating compound (100) is dosed into the coating nip (3), the transfer roller (1) and the doctor blade (2) being arranged next to each other, so that the coating nip (3) is permeable in the vertical direction (z), wherein the coating nip (3) is between 30 and 400 μm and the outlet nozzle (4) is an outlet of a rinsing chamber (8) arranged below the coating nip (3). A corresponding method is also described.
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