Fluid sprinkling – spraying – and diffusing – Plural interchangeable discharge modifiers – outlet... – Discharge modifier upstream of terminal outlet
Patent
1990-08-10
1991-11-12
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Plural interchangeable discharge modifiers, outlet...
Discharge modifier upstream of terminal outlet
239491, 239496, 239497, B05B 134
Patent
active
050641220
ABSTRACT:
A disposable nozzle adapter for intranasal administration of a viscous medical solution in combination with a spray container, which comprises a cylindrical body, a rod arranged in the body, and a nozzle tip. The body has a cylindrical chamber and a central bore communicated with the chamber through a channel for attachment of the spray container. The rod is provided on its one end at the least with a small-sized portion and middle-sized portion. The nozzle tip has a top wall and a cylindrical portion extending therefrom, the top wall being provided with a central spray opening including a tapered recess, and swirl grooves extending outwardly from the tapered recess to the inner surface of the cylindrical portion. The swirl grooves have a cross-sectional area increasing outwardly and its cross-sectional area is 0.03 to 0.08 mm.sup.2 at the minimum. The nozzle tip is fitted in the opening of the chamber of the body and engaged with the middle-sized portion of the rod to form an annular channel surrounding the small-sized portion of the rod and being communicated with the grooves.
REFERENCES:
patent: 2668084 (1954-02-01), Saxton
patent: 3140052 (1964-07-01), McCuiston
patent: 3416737 (1968-12-01), Venus, Jr.
patent: 3669359 (1972-06-01), Focht
patent: 3724763 (1973-04-01), Braun
patent: 3762409 (1973-10-01), Lester
patent: 4161281 (1979-07-01), Erb et al.
patent: 4187985 (1980-02-01), Goth
patent: 4801093 (1989-01-01), Brunet et al.
Kamishita Takuzo
Takagi Toshiaki
Grant William
Kashnikow Andres
Toko Yakuhin Kogyo Kabushiki Kaisha
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