Pipe liner
AssigneeTransco Inc.
InventorAdrian Sydney Parkes
Life of this patent
Estimating the term…
Abstract
A pipe liner for lining an existing pipe. The pipe liner includes a first elongated portion of plastic material and a second portion extending from the elongated portion with a flexibility which is greater than the elongated portion. The additional flexibility assist the liner in its insertion through an existing pipe.
Claims7
A liner pipe for lining an existing pipe comprising a first elongate portion of plastics material and including a second portion connected to and extending from the first portion and having a flexibility substantially greater than the first portion to assist in insertion through an existing pipe, the second portion terminating in a nosecone configured to enable a seal to be formed between the liner pipe and the existing pipe and provided with a stopper temporarily to prevent fluid flow into the liner pipe, the liner pipe being configured such that pushing the first portion of the liner pipe into the existing pipe facilitates further insertion of the second portion into the existing pipe.
Dependencies are inferred from the claim text.