Method and Apparatus for Repairing a Pipe Junction
An assembly and method of sealing a junction of a pipe and a second structure are provided. The assembly includes a pipe liner having a tubular portion and a brim portion, a compression plate, and a mechanical anchor adapted to secure the compression plate and brim portion of the pipe liner to the second structure. The assembly may further include a gasket for placement between the pipe liner and the pipe or second structure. The gasket may comprise a hydrophilic material, a hydrophobic material, or a compressible material. The methods of using the assembly include, but are not limited to, the use of a cured-in-place pipe liner.
1 . An assembly for sealing a junction of a pipe and a second structure comprising:
a pipe liner having a tubular portion and a brim portion;
a compression plate adjacent to the brim portion of the pipe liner; and
a mechanical anchor adapted to secure the compression plate and the brim portion of the pipe liner to the second structure.
2 . The assembly of claim 1 , further comprising a gasket for placement between the pipe liner and the pipe or second structure.
3 . The assembly of claim 2 , wherein the gasket comprises a hydrophilic material or a hydrophobic material.
4 . The assembly of claim 2 , wherein the gasket comprises a compressible material.
5 . The assembly of claim 1 , wherein the pipe is a lateral sewer pipe and the second structure is a main sewer pipe.
6 . The assembly of claim 5 , wherein the mechanical anchor comprises a screw, a nail, or a rivet.
7 . The assembly of claim 1 wherein the brim portion of the pipe liner is positioned between the second structure and the compression plate
8 . The assembly of claim 1 , wherein the pipe liner is a cured-in-place pipe liner.
9 . The assembly of claim 1 wherein the compression plate comprises a metal.
10 . The assembly of claim 1 wherein the brim portion has a size and shape and the compression plate approximates the size and shape of the brim portion.
11 . The assembly of claim 1 wherein the tubular portion and the brim portion are both resin impregnable.
12 . The assembly of claim 1 wherein the tubular portion is resin impregnable and the brim portion is not resin impregnable.
13 . The assembly of claim 1 wherein the tubular portion is made from a material different than a material of the brim portion.
14 . The assembly of claim 1 wherein the brim portion is the compression plate.
15 . The assembly of claim 2 wherein the brim portion is the gasket.
16 . A method of sealing a junction of a pipe and a second structure comprising:
providing a pipe liner having a tubular portion and a brim portion and a compression plate;
placing the tubular portion of the pipe liner against an interior wall of the pipe;
placing the brim portion against the second structure;
placing the compression plate against the brim portion; and
securing the compression plate and brim portion to the second structure using a mechanical anchor.
17 . The method of claim 16 , further comprising securing the mechanical anchor to a gasket.
18 . The method of claim 17 , further comprising placing a gasket between the brim portion of the pipe liner and the second structure.
19 . The method of claim 17 , wherein the gasket comprises a hydrophilic material, a hydrophobic material, or a compressible material.
20 . The method of claim 16 , wherein the pipe is a lateral sewer pipe and the second structure is a main sewer pipe.
21 . The method of claim 16 further comprising the step of compressing the brim portion of the pipe liner between the second structure and the compression plate.
22 . The method of claim 16 , wherein the pipe liner is a cured-in-place pipe liner.
23 . The method of claim 22 , wherein the securing step comprises driving the mechanical anchor through the brim portion and at least a portion of the second structure after a resin impregnated within the cured-in-place pipe liner has hardened.
24 . The method of claim 23 , further comprising inserting the mechanical anchor through a gasket placed between the brim portion of the pipe liner and the second structure.
25 . The method of claim 24 , wherein the pipe is a lateral sewer pipe and the second structure is a main sewer pipe.
26 . The assembly of claim 16 wherein the compression plate comprises a metal.
27 . The assembly of claim 16 wherein the brim portion has a size and shape and the compression plate approximates the size and shape of the brim portion.
28 . The assembly of claim 16 wherein the tubular portion and the brim portion are both resin impregnable.
29 . The assembly of claim 16 wherein the tubular portion is resin impregnable and the brim portion is not resin impregnable.
30 . The assembly of claim 16 wherein the tubular portion is made from a material different than a material of the brim portion.
31 . An assembly for sealing a junction of a pipe and a second structure comprising:
a pipe liner having a tubular portion;
a compression plate attached to the tubular portion of the pipe liner; and
a mechanical anchor adapted to secure the compression plate to the second structure.
32 . The assembly of claim 31 , further comprising a gasket for placement between the pipe liner and the pipe or second structure.
33 . The assembly of claim 31 , wherein the gasket comprises a hydrophilic material or a hydrophobic material.
34 . The assembly of claim 32 wherein the gasket is attached to the tubular portion of the pipe liner.
35 . The assembly of claim 31 wherein the compression plate comprises a metal.
36 . An assembly for sealing a junction of a pipe and a second structure comprising:
a gasket;
a compression plate adjacent to the gasket; and
a mechanical anchor adapted to secure the compression plate to the second structure.
37 . The assembly of claim 36 , wherein the compression plate includes a tubular portion adapted to be positioned in the pipe and a brim portion adapted to be positioned in the second structure near the junction.
38 . The assembly of claim 37 wherein the gasket includes a tubular portion adapted to be positioned in the pipe between the tubular portion of the compression plate and the pipe and a brim portion adapted to be positioned in the second structure between the brim portion of the compression plate and the second structure.
39 . The assembly of claim 36 , wherein the gasket comprises a compressible material.
40 . The assembly of claim 36 wherein the gasket is donut shaped.
41 . The assembly of claim 36 , wherein the pipe is a lateral sewer pipe and the second structure is a main sewer pipe.
42 . The assembly of claim 36 wherein the compression plate comprises a metal.
43 . A method of sealing a junction of a pipe and a second structure comprising:
providing a gasket and a compression plate, each having a brim portion;
placing the brim portion of the gasket against an interior wall of the second structure;
placing the brim portion of the compression plate against the brim portion of the gasket; and
securing the compression plate to the second structure using a mechanical anchor.
44 . The method of claim 43 wherein the gasket and the compression plate each further include a tubular portion extending from the brim portion.
45 . The method of claim 44 further comprising placing the tubular portion of the gasket against an interior wall of the second structure; and
placing the tubular portion of the compression plate against the tubular portion of the gasket.
46 . The method of claim 43 , wherein the gasket comprises a hydrophilic material, a hydrophobic material, or a compressible material.
47 . The method of claim 43 , wherein the pipe is a lateral sewer pipe and the second structure is a main sewer pipe.