Foam odor plug for urinals
First Claim
1. A method of constraining gas within an effluent discharge pipe comprising discharging an allotment of collapsible foam comprising gas bubbles within a fluid inside the discharge tube to form a replaceable, collapsible foam plug entirely across a passageway through the pipe which foam plug is stable for a period of time.
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Accused Products
Abstract
A urinal discharge pipe assembly comprising a discharge pipe having a passageway therethrough from an inlet in communication with a urinal discharge outlet and an outlet in communication with a urine disposal system, a foam dispensing device having a foam outlet open into the passageway for discharge of an allotment of foam into the passageway between the inlet and the outlet adequate to form a temporary foam plug across the passageway blocking the passageway.
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Citations
20 Claims
- 1. A method of constraining gas within an effluent discharge pipe comprising discharging an allotment of collapsible foam comprising gas bubbles within a fluid inside the discharge tube to form a replaceable, collapsible foam plug entirely across a passageway through the pipe which foam plug is stable for a period of time.
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18. A urinal discharge pipe assembly comprising a discharge pipe having a passageway therethrough from an inlet in communication with a urinal discharge outlet and an outlet in communication with a urine disposal system,
a foam dispensing device having a foam outlet open into the passageway for discharge of an allotment of foam into the passageway between the inlet and the outlet adequate to form a temporary foam plug blocking the passageway across the passageway.
Specification