Sub-floor drain conduit for water-control systems

Claim 2

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base supported on a footing and having a floor with outer peripheral edges which extend to the base of said wall and cover said footing, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising a vertical upper wall portion which is designed to extend above the surface of said floor, adjacent the wall of said room, said vertical upper wall portion having a rear surface comprising uniform spacer means for engagement with the wall of said room to space the rear surface of the vertical upper wall portion from the wall of said room and provide therebetween a narrow drainage space to admit water flowing down the wall of said room, said vertical wall portion extending downwardly and outwardly, away from the vertical, to a horizontal base wall portion designed to engage the wall footing and support the conduit element thereon, said vertical and horizontal wall portions enclosing an elongate conduit section which is open to the admission of groundwater to convey said water peripherally through said drainage conduit element to one or more remote drains.

Claim 3

A drainage conduit element according to claim 1 comprising an integral extrusion of plastic composition.

Claim 4

A drainage conduit element according to claim 1 in which said vertical wall portion tapers downwardly and outwardly to said horizontal base wall portion.

Claim 5

A drainage conduit element according to claim 1 in which the spacer means present on the rear surface of the vertical wall portion comprise segmented horizontally-extending flanges.

Claim 6

A drainage conduit element according to claim 1 in which said vertical wall portion comprises a plurality of spaced through holes for receiving means for fastening the drainage conduit to the wall of said room.

Claim 7

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base and having a floor with outer peripheral edges which extend to the base of said wall, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising an elongate tubular conduit section having a roof wall, an inside wall, an outside wall and a horizontal floor wall portion designed to support the drainage conduit element, adjacent the base of the wall of said room, said tubular conduit section inside wall having a lower wall portion which is recessed inwardly to said horizontal floor wall portion to form an exterior water passage when said drainage conduit is supported against the base of the wall of said room, said recessed lower wall portion being provided with a plurality of spaced water-inlet holes to admit groundwater from said exterior water passage into said tubular conduit section, said inside wall also having a vertical upper wall portion which extends above the roof wall of the conduit section for extension above the surface of the floor of said room, adjacent the wall of said room, the rear face of said vertical wall portion comprising uniform spacer means for engagement with the wall of said room to space the rear face of the vertical wall portion from the wall of said room and provide therebetween a narrow drainage space to admit water flowing down the wall of said room into said exterior water passage at the base of the wall of the room and through said spaced water-inlet holes into the tubular conduit section for drainage to a remote drain.

Claim 8

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base and having a floor with outer peripheral edges which extend to the base of said wall, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising an elongate tubular conduit section having a roof wall, an inside wall, an outside wall and a horizontal floor wall portion designed to support the drainage conduit element, adjacent the base of the wall of said room, said tubular conduit section inside wall having a lower wall portion which is recessed inwardly to said horizontal floor wall portion to form an exterior water passage when said drainage conduit is supported against the base of the wall of said room, said recessed lower wall portion being provided with a plurality of spaced water-inlet holes to admit groundwater from said exterior water passage into said tubular conduit section, said inside wall also having a vertical upper wall portion which extends above the roof wall of the conduit section for extension above the surface of the floor of said room, adjacent the wall of said room, the rear face of said vertical wall portion comprising uniform spacer means for engagement with the wall of said room to space the rear face of the vertical wall portion from the wall of said room and provide therebetween a narrow drainage space to admit water flowing down the wall of said room into said exterior water passage at the base of the wall of the room and through said spaced water-inlet holes into the tubular conduit section for drainage to a remote drain.

Claim 9

A drainage conduit element according to claim 6 comprising an integral extrusion of plastic composition.

Claim 10

A drainage conduit element according to claim 6 in which said conduit section lower wall portion tapers downwardly and inwardly to said conduit section floor wall to provide said exterior water passage.

Claim 11

A drainage conduit element according to claim 6 in which the spacer means present on the rear face of the vertical wall portion comprise segmented horizontally-extending flanges.

Claim 12

A drainage conduit element according to claim 6 in which said vertical wall portion comprises a plurality of spaced through holes for receiving means for fastening the drainage conduit to the basement wall.

Claim 13

A drainage conduit element according to claim 6 in which said roof wall is horizontal and comprises reinforcement means for strengthening said wall against the weight of said edges of the room floor.

Claim 14

A drainage conduit element according to claim 11 in which said reinforcement means comprises a plurality of longitudinal ribs or flanges extending downwardly along the underside of said roof wall.

Claim 15

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base supported on a footing and having a floor with outer peripheral edges which extend to the base of said wall and cover said footing, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising an elongate tubular conduit section having a horizontal roof wall, an inside wall, an outside wall and a horizontal floor wall designed to engage said footing, to support the drainage conduit element on said footing, said tubular conduit section inside wall having a lower wall portion which is recessed inwardly to said horizontal floor wall to form an exterior water passage when said drainage conduit is supported at the base of the wall of said room, said recessed lower wall portion being provided with a plurality of spaced water-inlet holes to admit groundwater from said exterior water passage into said tubular conduit section, said inside wall also having a vertical upper wall portion which extends above the horizontal roof wall of the conduit section for extension above the surface of the floor of said room, adjacent the base thereof, the rear face of said vertical wall portion comprising uniform spacer means for engagement with the wall of the room to space the rear face of the vertical wall portion from the wall of the room and provide therebetween a narrow drainage space to admit water flowing down the wall of the room into said exterior water passage at the base of the wall of the room and through said spaced water-inlet holes into the tubular conduit section for drainage to a remote drain.

Claim 16

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base supported on a footing and having a floor with outer peripheral edges which extend to the base of said wall and cover said footing, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising an elongate tubular conduit section having a horizontal roof wall, an inside wall, an outside wall and a horizontal floor wall designed to engage said footing, to support the drainage conduit element on said footing, said tubular conduit section inside wall having a lower wall portion which is recessed inwardly to said horizontal floor wall to form an exterior water passage when said drainage conduit is supported at the base of the wall of said room, said recessed lower wall portion being provided with a plurality of spaced water-inlet holes to admit groundwater from said exterior water passage into said tubular conduit section, said inside wall also having a vertical upper wall portion which extends above the horizontal roof wall of the conduit section for extension above the surface of the floor of said room, adjacent the base thereof, the rear face of said vertical wall portion comprising uniform spacer means for engagement with the wall of the room to space the rear face of the vertical wall portion from the wall of the room and provide therebetween a narrow drainage space to admit water flowing down the wall of the room into said exterior water passage at the base of the wall of the room and through said spaced water-inlet holes into the tubular conduit section for drainage to a remote drain.

Claim 17

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base and having a floor with outer peripheral edges which extend to the base of said wall, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising an elongate conduit section having a roof wall, an outside wall, a floor wall portion designed to support the drainage conduit section against a surface, adjacent the base of the wall, said tubular conduit section being open opposite said outside wall to admit groundwater into said conduit section, and a vertical upper wall portion which extends above the roof wall of the conduit section for extension above the surface of the floor of said room, adjacent the wall of the room, the rear face of said vertical wall portion comprising uniform spacer means for engagement with the room wall to space the rear face of the vertical wall portion from the room wall and provide therebetween a narrow drainage space to admit water flowing down the room wall into the tubular conduit section for drainage to a remote drain.

Claim 18

An elongate water-conveying drainage conduit element designed to be installed in a subterranean room having an outer peripheral wall having a base and having a floor with outer peripheral edges which extend to the base of said wall, said drainage conduit element being designed to be substantially covered by the peripheral edges of said floor of said room, to receive groundwater admitted at said base and through areas of said wall above said base and to convey said groundwater to a remote drain, said drainage conduit element comprising an elongate conduit section having a roof wall, an outside wall, a floor wall portion designed to support the drainage conduit section against a surface, adjacent the base of the wall, said tubular conduit section being open opposite said outside wall to admit groundwater into said conduit section, and a vertical upper wall portion which extends above the roof wall of the conduit section for extension above the surface of the floor of said room, adjacent the wall of the room, the rear face of said vertical wall portion comprising uniform spacer means for engagement with the room wall to space the rear face of the vertical wall portion from the room wall and provide therebetween a narrow drainage space to admit water flowing down the room wall into the tubular conduit section for drainage to a remote drain.