B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/80
B65D 83/00 (2006.01) B65D 83/14 (2006.01)
Patent
CA 1054985
ABSTRACT An airless sprayer having the capability of replacing most if not all of the so-called aerosol sprayers with improved performance, reduced cost and elimination of potential damage to the environment from an aerosol pro- pellant. The unit is refillable by the user at any time suiting his convenience. The liquid to be sprayed is con- tained in a first chamber above an internal free-floating piston powered by air pressure in a second chamber below the piston. The system includes a unique compressor unit for automatically pumping air at operating pressure into the lower chamber. Specially constructed valves control the emission of liquid to be sprayed and the admission of air to pressurize the unit.
267095
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