The present invention provides an in-line valve particularly suitable for draining facilities to avoid odour penetrating habitable spaces or backflush of drainage liquids. The in-line valve comprises a body, preferably made of two engageable parts, an inset and a duckbill valve. The insert is located within the valve body and surrounding the duckbill valve. The insert funnels liquid from the valve inlet to the valve outlet, so that puddling in the valve body is avoided and therefore no water is accumulated, which could lead to odours or microorganisms proliferation.

The present invention provides an in-line valve particularly suitable for draining facilities to avoid odour penetrating habitable spaces or backflush of drainage liquids. The in-line valve comprises a body, preferably made of two engageable parts, an inset and a duckbill valve. The insert is located within the valve body and surrounding the duckbill valve. The insert funnels liquid from the valve inlet to the valve outlet, so that puddling in the valve body is avoided and therefore no water is accumulated, which could lead to odours or microorganisms proliferation.

A check valve has an inlet end, a transition part and an outlet end, with a pair of vertically orientated lips. The transition part is twisted about the axis extending from the inlet to the outlet. As fluid passes through the check valve, the twisted portion of the check valve will impart a swirling motion to the fluid as the fluids leaves the check valve via the outlet end.

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.

A check valve comprising, between an inlet end and an opposite outlet end along a common longitudinal axis, optionally an adapter arranged between the inlet end and a seal seat, a seal seat formed by a rigid scaffold, a closure element formed by an elastic closure part, optionally a stop ball, and optionally a stop that can be latched to the scaffold, wherein the scaffold and the closure part are shaped to match one another in the region of the seal seat, and the closure part is tensioned against the scaffold in the region of the seal seat in the rest position and is retained therein, wherein the scaffold has breaches in the region of the seal seat, and the closure element is formed in one piece with a venting device

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.

The improved urinal apparatus is configured for insertion in an outlet of a urinal. The urinal apparatus includes a hollow body defining an upper housing and a clamp ring/lower housing. The upper housing provides an open chamber configured to receive and retain a consumable detergent/malodour counteractant and the clamp ring/lower housing is configured to support and retain a resealing valve, which is operable to allow flow of fluid, such as urine, from above, but is operable to prevent backflow from below the resealing valve. The urinal apparatus also includes a consumable cap element, which includes an axial opening at least partway through, wherein the opening is configured to receive at least part of the upper housing. A body of the cap element comprises a plurality of radially extending fins. One of the upper housing or the consumable cap element comprise an upper member comprising an array of holes, which facilitate fluid flow and insertion and extraction of the urinal apparatus as a unit.

An insert, which can be installed as an odor stopper in the drain area of a household installation, e.g., in a drain pipe, includes a cylindrical area, which has a flange that projects outward. The insert also includes a closure area with an elastically deformable wall part. In the closure position, the wall part of the closure area rests against an opposite wall of the insert. In this case, the free edge of the wall part rests against the opposite wall from inside, creating an odor stopper. When water flows through the drain pipe, the wall part of the closure area is moved away from the opposite wall by the draining water, so that the closure area is opened. As soon as no more water flows through the insert, the wall part of the closure area again rests against the opposite wall, so that the odor stopper is created.