Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1976-02-17
1977-12-06
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
239291, 239300, 239DIG22, A47L 514
Patent
active
040608743
ABSTRACT:
Apparatus operable by actuating a trigger to cause high-pressure air from a compressor to jet out from the front end opening of a nozzle and to simultaneously produce an air curtain in the form of a conical air layer surrounding the air jet and spreading out from an annular fine clearance provided approximately at the base portion of the nozzle.
REFERENCES:
patent: B580921 (1976-01-01), Frochaux
patent: 2320964 (1943-06-01), Yates
patent: 2917244 (1959-12-01), Gould
patent: 3117726 (1964-01-01), Schoberg
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