Ejection nozzle device for high pressure cleaning apparatus
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United States of America Patent
Stats
-
Sep 7, 1993
Grant Date -
N/A
app pub date -
Feb 3, 1992
filing date -
Feb 11, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ejection nozzle for high pressure and low pressure cleaning apparatus having a cylindrical hollow body (14) with a front flange (31) having a central inwardly projecting cavity (33) and provided with a central narrow orifice (32), and at least two annular orifices (34), a distributing valve (20) with a central duct (26) sealingly slidable in the cavity of the cylindrical body (14) and having an external front portion (20') mating the central cavity (33), an exterior coaxial cylindrical shell (10) consisting of a front portion (12) fixed to the cylindrical body (14), and a rear portion (12') slidable on the body (14), and a device for placing the front portion (20') in sealingly engagement with the central cavity (33) in the high pressure ejection and out of the cavity (33) in the low pressure ejection.
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