Spray bottle

Details Spray bottle Spray bottle

1991-10-21

1994-04-12

Kashnikow, Andres

Dispensing

Resilient wall

Internally extending outlet pipe

239327, 2224815, B65D 3700, B65D 132

Patent

active

053018460

ABSTRACT:
The invention relates to a flexible spray bottle (10) for nasal spray, onto the bottle neck (14) of which a spray cap (12) is placed. The top wall (17) of the spray cap (12) contains a spray opening (20) and, on the underside, a connection piece (18) for a dip tube (21). A mixing-air passage (30, 31) extends between the connection piece (18) and the dip tube (21), with the result that a liquid/air mixture leaves the spray opening (20). An annular flange (15) of the spray cap (12) contains an air-admitting passage (23) which extends radially in the flange and is angled inside the spray cap towards the interior of the bottle (10). The angled part contains an air-admitting valve with a valve body (28) which is pressed against a valve seat (27) in the case of positive pressure in the container and seals off the air-admitting passage (23). In the open position of the air-admitting valve, the valve body (28) rests on supporting arms (29) which make possible the passage of air through the air-admitting passage (23). The spray bottle prevents bodily secretions from being sucked up after the introduction of the medicoment into the nasal passage and while retaining customary design features makes possible economical production (FIG. 1).

REFERENCES:
patent: 2564000 (1951-08-01), Hall
patent: 2642313 (1953-06-01), Montenier
patent: 2700484 (1955-01-01), Rathsprecher
patent: 3176883 (1965-04-01), Davis, Jr.
patent: 3361304 (1968-01-01), Thompson
patent: 3381860 (1968-05-01), Armour
patent: 3622049 (1971-11-01), Thompson
patent: 4286735 (1981-09-01), Sneider
patent: 5110051 (1992-05-01), Bennett

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