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US 11,028,956 B2Granted
Liner for lateral pipe line
AssigneeSak Construction, LLC
InventorBoyd Hirtz
Life of this patent
Estimating the term…
Abstract
Systems and methods for forming and deploying a pipe liner in a pipe main having a service lateral. The line is formed from three pieces of material. The piece of material forming the front top and of the main liner and the front of the lateral line has a cutout at the joint to reduce bunching, which can result in non-uniform liner thickness and may form obstructions at the joint.
Claims10
A liner configured for trenchless installation in a pipe having a service lateral, the liner comprising:
- a main pipe liner portion comprising a bottom and an opposing top comprising a front top and an opposing back top;
- and
- a service lateral liner portion attached to said main pipe liner portion, said service lateral liner portion comprising opposing lateral sides and a front and opposing back;
- wherein a first contiguous piece, a second contiguous piece, and a third contiguous piece form said main pipe liner portion and said attached service lateral liner portion when assembled together;
- wherein said first contiguous piece comprises said opposing lateral sides and said bottom;
- wherein said second contiguous piece comprises said front and said front top and an amount of material is removed at the joint between said front and said front top to form a cutout in said second contiguous piece;
- and
- wherein said third contiguous piece comprises said back and said back top.
5 more elements
Dependencies are inferred from the claim text.