B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/108, 117/59
B05D 1/18 (2006.01) B01J 37/02 (2006.01) B05D 3/12 (2006.01) B22F 3/26 (2006.01) C04B 41/45 (2006.01) C04B 41/50 (2006.01) C04B 41/81 (2006.01) C04B 41/85 (2006.01)
Patent
CA 2036823
A method for uniformly coating a ceramic or metal honeycomb member with a quantity of solid from an aqueous coating dispersion, the quantity, at a given constant density of coating dispersion, being below the quantity which would be deposited at equilibrium between the honeycomb member and the coating dispersion. The honeycomb member is inserted into a vertical similarly-shaped immersion chamber having at least one inflatable seal. The immersion chamber is sealed and the coating dispersion is pumped into the honeycomb member from below within a charging time of less than 10 seconds and until charging is complete. The dispersion is pumped out after a holding time and within a pumping-out time, and, after breaking the seal or seals, the honeycomb member is taken out of the immersion chamber and freed of excess coating dispersion by blowing out or by suction.
Baumgartner Wilfried
Birtigh Gerhard
Dittrich Ewald
Manner Reinhard
Schmidt Felix
Marks & Clerk
Umicore Ag & Co. Kg
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