A method for releasably securing a sink strainer in a drain hole of a sink by providing a lock nut having a split defined by a pair of opposed surfaces and a locking system comprising a pair of opposed tabs attached to the outer surface of the lock nut with one tab on one side of the split having a threaded hole spaced perpendicularly with respect to the opposed surfaces for receiving a threaded fastener and a second tab attached to the outer surface of the lock nut on the opposite side of the split in opposed spaced relationship to the first tab. The second tab having a hole in axisymmetric spaced relationship to the threaded hole with a diameter of sufficient size to allow a threaded fastener to pass therethrough, and a threaded fastener positioned within the axisymmetric spaced hole and arranged to pass through the hole in the second tab and securely engage the threaded hole in the first tab. When engaged, the threaded fastener holds the opposed surfaces in mating relationship during normal use, and when removed, provide for the lock nut to release from its position in response to application of an external force.

A floor drain vapour block apparatus and method for providing a dependable water level in the vapour block to prevent backflow gases or odours from infiltrating into the area above the floor drain. The apparatus is a two-part assembly having an outer reservoir housing and an inner drain catch cylinder forming a water sealing reservoir space for holding or retaining a plumbing code enforced water level to block gases and odours from infiltrating above the floor level in which the assembly is inserted.

A floor drain vapour block apparatus and method for providing a dependable water level in the vapour block to prevent backflow gases or odours from infiltrating into the area above the floor drain. The apparatus is a two-part assembly having an outer reservoir housing and an inner drain catch cylinder forming a water sealing reservoir space for holding or retaining a plumbing code enforced water level to block gases and odours from infiltrating above the floor level in which the assembly is inserted.

The present invention relates to a floor drain for draining water from a walk-in floor into a waste water pipe, with an inlet channel socket, a first receiving body for the inlet channel socket, a second receiving body for the first receiving body and a drain housing following the second receiving body in the water drainage direction, which is preferably designed as an odor trap, wherein the first receiving body has a bowl-shaped section, to the outer edge of which a flexible sealing mat is connected in a liquid-tight manner and the bottom of which passes into a first drain connection piece which can be inserted into the second receiving body, wherein the second receiving body has a bowl-shaped section on which an outwardly projecting flange is integrally formed or attached, and wherein the bowl-shaped section of the second receiving body passes into a second drain connection piece.

The present invention relates to a floor drain for draining water from a walk-in floor into a waste water pipe, with an inlet channel socket, a first receiving body for the inlet channel socket, a second receiving body for the first receiving body and a drain housing following the second receiving body in the water drainage direction, which is preferably designed as an odor trap, wherein the first receiving body has a bowl-shaped section, to the outer edge of which a flexible sealing mat is connected in a liquid-tight manner and the bottom of which passes into a first drain connection piece which can be inserted into the second receiving body, wherein the second receiving body has a bowl-shaped section on which an outwardly projecting flange is integrally formed or attached, and wherein the bowl-shaped section of the second receiving body passes into a second drain connection piece.

A sink strainer basket includes a strainer body and an odor prevention arrangement. The odor prevention arrangement includes a drain regulator and a filtration handle. The drain regulator is provided on the strainer body to fully occupy a drainage opening. The drain regulator includes a main drainer body having a sewage passageway, and a blocking assembly movably mounted on the main drainer body to normally close the sewage passageway. The filtration handle extends from the drain regulator to be supported in a drainage cavity. When liquid and larger items are drained in the sink strainer basket, the larger items are filtered by the filtration handle, while the liquid is allowed to pass through the filtration handle to push the blocking assembly to open for draining of the liquid through the sewage passageway.

A sink strainer basket includes a strainer body and an odor prevention arrangement. The odor prevention arrangement includes a drain regulator and a filtration handle. The drain regulator is provided on the strainer body to fully occupy a drainage opening. The drain regulator includes a main drainer body having a sewage passageway, and a blocking assembly movably mounted on the main drainer body to normally close the sewage passageway. The filtration handle extends from the drain regulator to be supported in a drainage cavity. When liquid and larger items are drained in the sink strainer basket, the larger items are filtered by the filtration handle, while the liquid is allowed to pass through the filtration handle to push the blocking assembly to open for draining of the liquid through the sewage passageway.

A method for releasably securing a sink strainer in a drain hole of a sink by providing a lock nut having a split defined by a pair of opposed surfaces and a locking system comprising a pair of opposed tabs attached to the outer surface of the lock nut with one tab on one side of the split having a threaded hole spaced perpendicularly with respect to the opposed surfaces for receiving a threaded fastener and a second tab attached to the outer surface of the lock nut on the opposite side of the split in opposed spaced relationship to the first tab. The second tab having a hole in axisymmetric spaced relationship to the threaded hole with a diameter of sufficient size to allow a threaded fastener to pass therethrough, and a threaded fastener positioned within the axisymmetric spaced hole and arranged to pass through the hole in the second tab and securely engage the threaded hole in the first tab. When engaged, the threaded fastener holds the opposed surfaces in mating relationship during normal use, and when removed, provide for the lock nut to release from its position in response to application of an external force.

A drain pipe connector adapted to be disposed between a drain portal of a plumbing fixture and a sewage pipe. The drain pipe connector includes a first unidirectional valve adapted to be in fluid communication with the drain portal, and a drain trap in connected to the first unidirectional valve and adapted to be connected to the sewage pipe. The first unidirectional valve has a closed operative orientation, in which the first unidirectional valve forms a seal between the drain portal and the drain trap, and an open operative orientation which enables flow of fluid from the drain portal, via the first unidirectional valve, into the drain trap. The first unidirectional valve is normally closed, and when liquid drains into the first unidirectional valve, pressure applied by the liquid transitions the first unidirectional valve from the closed operative orientation to the open operative orientation, thereby enabling the liquid to flow into the drain trap.

A drain pipe connector adapted to be disposed between a drain portal of a plumbing fixture and a sewage pipe. The drain pipe connector includes a first unidirectional valve adapted to be in fluid communication with the drain portal, and a drain trap in connected to the first unidirectional valve and adapted to be connected to the sewage pipe. The first unidirectional valve has a closed operative orientation, in which the first unidirectional valve forms a seal between the drain portal and the drain trap, and an open operative orientation which enables flow of fluid from the drain portal, via the first unidirectional valve, into the drain trap. The first unidirectional valve is normally closed, and when liquid drains into the first unidirectional valve, pressure applied by the liquid transitions the first unidirectional valve from the closed operative orientation to the open operative orientation, thereby enabling the liquid to flow into the drain trap.