C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 16/54 (2006.01) B05B 15/04 (2006.01) B05B 17/04 (2006.01) B05C 9/02 (2006.01) C23C 16/00 (2006.01) C23C 18/02 (2006.01) C23C 20/00 (2006.01)
Patent
CA 2041631
DESCRIPTIVE ABSTRACT System for the injection of a droplet aerosol containing a solute for the preparation of composite layers by pyrolysis of the solute on heated substrate (6) travelling in the muffle (2) of a furnace, charac- terized in that it comprises three parts, namely: an injection chamber (36) provided in its upper part with at least one opening for the supply of aerosol and additional air and in its lower part with a plate (54) having holes, each of which is provided with a short tubular element (56) in the manner of a vertical chimney stack; a chamber (38) for the vaporization of the droplets of the aerosol provided with a double side wall containing heating resistors (62, 64, 66) distributed over its entire height in several groups, each regu- latable in an autonomous manner; a vapour phase discharge injector (40) in continuous form with the lower wall of the case and equipped with at least one slot (68) exten- ding along a straight segment (70) in a direction perpendicular to the speed of travel of the substrate (6) to be coated. (Fig. 3) B 10325.3 AM
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