US 12,214,373 B2
Apparatus and method for processing shear sensitive coating compositions
Ingo Volmering, Bocholt (DE); Fabian Schindler, Recklinghausen (DE); and Frans Te Welscher, Bocholt (DE)
Assigned to Olbrich GmbH, Bocholt (DE)
Appl. No. 17/260,030
Filed by Olbrich GmbH, Bocholt (DE)
PCT Filed Jul. 18, 2019, PCT No. PCT/EP2019/069433
§ 371(c)(1), (2) Date Jan. 13, 2021,
PCT Pub. No. WO2020/025349, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 10 2018 118 559.6 (DE), filed on Jul. 31, 2018.
Prior Publication US 2021/0308711 A1, Oct. 7, 2021
Int. Cl. B05C 1/08 (2006.01); B05C 11/10 (2006.01); B05D 1/28 (2006.01)
CPC B05C 1/086 (2013.01) [B05C 1/0813 (2013.01); B05C 1/083 (2013.01); B05C 11/1039 (2013.01); B05D 1/28 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus for processing shear-sensitive coating compounds, comprising:
a transfer roller;
a doctor blade, wherein the doctor blade is spaced apart from the transfer roller to form a coating nip;
an outlet nozzle for dosing a coating compound, wherein the outlet nozzle comprises a nozzle opening configured to face a lower nip opening of the coating nip; and
a forced conveying system via which a coating compound is dosed into the coating nip,
wherein the transfer roller and the doctor blade are arranged next to each other, so that the coating nip is permeable in the vertical direction (z),
wherein the forced conveying system is arranged below the doctor blade and the lower nip opening, and
wherein the coating nip is between 30 μm and 400 μm and the outlet nozzle is an outlet of a rinsing chamber arranged below the coating nip,
wherein a nip seal is formed on an outer side of a boundary wall of the outlet nozzle facing the transfer roller.