Fluid sprinkling – spraying – and diffusing – Slow diffusers – With wick or absorbent means removing liquid from holder
Reexamination Certificate
2005-07-26
2005-07-26
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Slow diffusers
With wick or absorbent means removing liquid from holder
C239S034000, C239S043000, C239S044000
Reexamination Certificate
active
06921025
ABSTRACT:
A unit (1) for the transfer and distribution of a liquid (27) using capillary action has an elongated shaft (2) and a screen (3). The shaft (2) includes a first capillary medium (4) suitable for drawing the liquid (27) from a reservoir (26) into the shaft (2) when a bottom portion (20) of the shaft (2) is disposed in the liquid. The screen (3) is connected to the shaft (2) and includes a second capillary medium (5) suitable for receiving the liquid (27) drawn by the first capillary medium (4) and distributing it over at least a major part of the screen (3) where it evaporates.
REFERENCES:
patent: 4419326 (1983-12-01), Santini
patent: 4915301 (1990-04-01), Munteanu
patent: 5725152 (1998-03-01), Akyu
patent: 41 40 127 (1992-12-01), None
patent: WO 98/16262 (1998-04-01), None
Gohil Kishen
Hart Gerald Leslie
Naish Guy Edward
Bui Thach H.
Givaudan SA
Norris McLaughlin & Marcus PA
Scherbel David A.
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