Diverter, liquid-level indicator and chemical pre-treatment and post-treatment implementations useful in waterless urinals
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United States of America Patent
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Aug 18, 2009
Grant Date -
Nov 10, 2005
app pub date -
Jan 9, 2005
filing date -
Aug 25, 2003
priority date (Note) -
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Abstract
A diverter (170, 270) atop the upper wall (110) of a cartridge (100) and over the opening (114, 115) therein avoids direct access of urine to the opening and the sealant (105) within the cartridge. The diverter is spaced by standoffs (182, 282) from the upper wall to provide a urine flow passage. A float (274) can be incorporated in the diverter to provide a visible signal of the presence of collected urine on the cartridge upper wall. A pre-treatment chemically-constituted tablet (210) held by a retainer (200) in the diverter provides sanitizing and/or deodorizing means. Post-treatment chemically-constituted tablets (224a) or pellets (224b) placeable at the outlet of the cartridge protect the drain pipe from corrosion and other harm.
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