Coating implements with material supply – Including ball – roller or endless-belt tool – Ball
Reexamination Certificate
2005-07-19
2009-11-17
Le, Huyen (Department: 3751)
Coating implements with material supply
Including ball, roller or endless-belt tool
Ball
Reexamination Certificate
active
07618209
ABSTRACT:
Doses of cosmetic fluid dispensed from a roll-on dispenser can fluctuate significantly between successive applications. This problem can be alleviated by perturbing flow within the roll-on housing, such as air flow, by forming flow perturbators on the interior side-wall of the housing. These perturbators can alternatively or additionally comprise lateral beads or notching an interior sealing ring. The dispenser housing preferably also includes a spider normally located between the roller and the bottle interior, and preferably a resilient spider having an facing surface parallel with the roller that can control the depth of liquid film adhering to the roller, which when the roller is a ball means a concave upper face of similar radius of curvature to that of the ball.
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Conopco Inc.
Klumas Karen E.
Le Huyen
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