Atomizer

Details Atomizer Atomizer

2006-11-28

2006-11-28

Yu, Justine R. (Department: 3752)

Dispensing

With discharge assistant

Container with follower

C222S105000, C222S325000, C222S326000, C222S386000

Reexamination Certificate

active

07140518

ABSTRACT:
An atomizer that includes a tubular sheath having at least two tooth-edged slits, a compressible and expandable reservoir preferably made of accordion-like pleats and placed inside the tubular sheath allowing only a neck portion with an opening to extend outside of the top opening of the tubular sheath, an outer shell having at least one helical groove on its inner wall, a engageable with the tubular sheath and the tubular shell via the at least two slits and the at least one helical groove, respectively, and an actuator. As the actuator is rotated, it rotates the tubular sheath. The pressurizer is rotated upward along the helical groove or grooves and the tooth-edged slits, and compresses the reservoir. A dispensing nozzle capping the reservoir dispenses the content of the reservoir when pressed.

REFERENCES:
patent: 3815787 (1974-06-01), Spies
patent: 4223808 (1980-09-01), Williams et al.
patent: 5143259 (1992-09-01), Williams
patent: 5186361 (1993-02-01), Williams
patent: 5238150 (1993-08-01), Williams
patent: 5282549 (1994-02-01), Scholz et al.
patent: 5353962 (1994-10-01), Scholz et al.

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