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US 10,294,650 B2Granted
Mechanical valve for waterless urinal
AssigneeFalcon Waterfree Technologies
InventorsMichael Wächter, Manuel Peter, Edward Michael Goldsmith
Life of this patent
Estimating the term…
Abstract
A non-flushing urinal system with a large sealing and flow area using a bell-shaped valve with supporting ribs on its interior surface, which utilizes low “crack pressure,” or ease of initial opening to create for high flow rate and superior sealing.
Claims10
A bell-shaped waterless urinal valve comprising:
- a plurality of adjacent leaves having spaces therebetween,
- wherein each of the plurality of adjacent leaves is configured to overlap with an adjacent leaf when the valve is inserted into a urinal cartridge.
A method for making a bell-shaped waterless urinal valve comprising an act of:
- forming resilient material into a valve comprising a plurality of adjacent leaves having spaces therebetween;
- and
- forming each of the plurality of adjacent leaves to overlap with an adjacent leaf when the valve is inserted into a urinal cartridge.
Dependencies are inferred from the claim text.