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US 9,688,045 B2Granted
Liner for reinforcing a pipe and method of making the same
AssigneeOCV Intellectual Capital, LLC
InventorsCorneilis Den Besten, Jerome Francois
Life of this patent
Estimating the term…
Abstract
A reinforced liner and methods of manufacturing the liner are disclosed. The liner includes a glass veil layer as an innermost layer in combination with an outer reinforcing layer that includes glass fibers. The glass veil layer and the reinforcing layer are joined together, such as by an elastic yarn. Inclusion of the glass veil layer imparts desirable surface finish characteristics to the reinforced liner.
Claims7
A reinforced liner for rehabilitating a pipe, the reinforced liner comprising:
- a veil layer formed from randomly oriented chopped glass fibers;
- a first reinforcing layer including first glass fibers, said first glass fibers being chopped glass fibers in substantially parallel alignment;
- a second reinforcing layer including second glass fibers, said second glass fibers being chopped glass fibers in substantially parallel alignment;
- and
- a resin,
- wherein said second glass fibers are oriented at an angle with respect to said first glass fibers,
- wherein said veil layer is closer to a central axis of the reinforced liner than said reinforcing layers,
- wherein said veil layer and said reinforcing layers are interfaced with one another,
- wherein said resin impregnates said reinforcing layers, and
- wherein said resin is curable by application of energy.
7 more elements
Dependencies are inferred from the claim text.