Method for interconnecting floor drains
View Patent ↗A method for interconnecting floor drains includes attaching a first elbow fitting to an existing floor drain through an existing floor. A second elbow fitting is attached to a new floor drain that is to extend through a new floor overlying the existing floor. An extension pipe extends between the spaced first and second elbow fittings to create a fluid pathway between the new floor drain and the existing floor drain.
1 . A method for interconnecting an existing floor drain having an underlying P-trap for a shower or bathtub to a new floor drain spaced laterally from the existing floor drain, comprising the steps of:
attaching a first elbow fitting to the existing floor drain directly above the underlying P-trap embedded in an existing floor of a room comprising the existing floor drain;
attaching a second elbow fitting to the laterally-spaced new floor drain;
attaching an extension pipe between the first and second elbow fittings to create a drain extension assembly such that a fluid pathway is formed between the new floor drain and the existing floor drain; and
setting the drain extension assembly within a mortar forming a new floor of the room vertically overlaying and adjacent above the existing floor of the room for fluid drainage through the underlying P-trap.
2 . The method of claim 1 , wherein the first and second elbow fittings each have a first portion that is of a generally cylindrical configuration for attachment to the respective existing and new drains.
3 . The method of claim 2 , wherein the first and second elbow fittings each have a second portion, extending away from the first portion at an angle, that is of a reduced profile.
4 . The method of claim 3 , wherein the second portions of the first and second elbow fittings have a generally flat configuration at one surface thereof.
5 . The method of claim 4 , wherein the second portions of the first and second elbow fittings have a generally curved configuration at a surface generally opposite the flat surface.
6 . The method of claim 1 , wherein the extension pipe has a reduced profile.
7 . The method of claim 6 , wherein the extension pipe has a generally flat configuration on an upper surface thereof.
8 . The method of claim 7 , wherein the extension pipe has a generally curved lower surface to form a D-shaped cross-sectional area of the extension pipe.
9 . The method of claim 6 , wherein the extension pipe comprises interconnected multiple intermediate pipes and/or couplings.
10 . The method of claim 9 , wherein the extension pipe includes a curved intermediate pipe to create a bend in the extension pipe.
11 . The method of claim 1 , including the step of connecting the existing drain to spaced apart first and second new drains, wherein the extension pipe has a Y-shaped portion defining first and second branches fluidly connecting the first and second new drains to the existing drain.
12 . The method of claim 1 , including the step of coupling at least one shim to a lower portion of the extension pipe to create a desired slope between the new and existing drains.
13 . The method of claim 12 , including the step of coupling at least one U-shaped shim to the extension pipe.
14 . The method of claim 13 , including the step of attaching a flat shim to the at least one U-shaped shim to elevate at least a portion of the extension pipe.
15 . A drain assembly for interconnecting an existing floor drain having an attached underlying P-trap for a shower or bathtub to a new floor drain spaced laterally from the existing floor drain, comprising
a first elbow fitting attachable to the existing floor drain above the underlying P-trap;
a second elbow fitting attachable to the new floor drain to accommodate fluid drainage from the new drain;
an extension pipe between the first and second elbow fittings to create a drain extension assembly between the new drain and the existing floor drain attached to the underlying P-trap; and
a new floor of a room overlaying an existing floor of the room with the underlying P-trap embedded in the existing floor of the room through which the existing drain extends to accommodate a fluid flow into the P-trap from the new floor drain, the new floor of the room comprising a mortar in which the drain extension assembly is embedded, wherein the new floor drain is disposed adjacent and open to an upper surface of the new floor of the room.
16 . The drain assembly of claim 15 , wherein the extension pipe comprises interconnected multiple intermediate pipes and/or couplings.
17 . The drain assembly of claim 15 , wherein the extension pipe includes a curved intermediate pipe to create a bend in the extension pipe.
18 . The drain assembly of claim 15 , wherein the extension pipe has a Y-shaped portion defining first and second branches fluidly connecting the first new drain and a second new drain to the existing drain.
19 . The drain assembly of claim 15 , including at least one shim connected to a lower portion of the extension pipe to create a desired slope between the new and existing drains.
20 . The drain assembly of claim 15 , wherein a first end of the extension pipe connects to the first elbow fitting and a second end of the extension pipe connects to the second elbow fitting such that the drain extension assembly forms a fluid pathway between the new floor drain and the existing floor drain.
21 . The drain assembly of claim 20 , wherein the first and second elbow fittings each have a first portion that is of a generally cylindrical configuration for attachment to the respective existing and new drains, and wherein the first and second elbow fittings each have a second portion extending away from the first portion at an angle that is of a reduced vertical profile.
22 . The drain interconnection assembly of claim 20 , wherein the extension pipe has a generally flat configuration on an upper surface and a generally curved lower surface to form a D-shaped cross-sectional area.