Coating apparatus – Projection or spray type – With projector heating – cleaning or conditioning
Patent
1981-04-07
1982-12-28
Beck, Shrive P.
Coating apparatus
Projection or spray type
With projector heating, cleaning or conditioning
239112, 131309, 427424, 118303, 427212, 427213, B05B 1700, B05B 716, B05B 1502
Patent
active
043655858
ABSTRACT:
A liquid-spraying device, particularly for applying an additive to a moving bed of smoking material. The device includes a body and an elongate narrow unshrouded tubular spray tip carried by the body. First and second ducts are in the body through which the liquid and an atomizing medium respectively can be supplied to the tip. A third duct is provided for supplying a cleaning medium such as air. A jet structure is located remotely from the discharge end of the spray tip, is connected to the third duct and is arranged to direct the cleaning medium along and around the outside of the freely extending tip to the discharge end thereof. The spray tip may be mounted on and extend from a nozzle head connected to the body. The jet structure is provided in the nozzle head, for example, in the form of a plurality of jet orifices equi-angularly spaced around the spray tip. The spray tip and jet can be used in a method of applying a liquid additive to a moving bed of smoking material.
REFERENCES:
patent: 895668 (1908-08-01), Newman
patent: 2667236 (1954-01-01), Graves
patent: 3043366 (1962-07-01), Wentworth
patent: 3394888 (1968-07-01), Dasse et al.
patent: 3541023 (1970-11-01), Cole
patent: 3545453 (1970-12-01), Hoffman
patent: 3732872 (1973-05-01), Lakritz
patent: 3876145 (1975-04-01), Gusmer et al.
Krywiczanin Wladyslaw H.
Naylor Donald B.
Beck Shrive P.
British-American Tobacco Company Limited
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