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US 11,142,609 B2Granted
Delayed curing resin composition
AssigneeWarren Environmental & Coating, LLC
InventorDanny Warren
Life of this patent
Estimating the term…
Abstract
A resin composition and method for installing a pipe liner that allows the liner to be fully wet out with a resin and activator and stored for a period of up to six months prior to installation and curing. A method of lining a pipe with a delayed curing resin composition is also provided that includes fully wetting out a liner with a blended two part epoxy composition such that the liner can be transported in a wet out fashion, placed in a pipe to be lined and repositioned as needed without concern for the resin composition to begin curing.
Claims10
A pipe lining composite comprising:
- a lining hose;
- a base resin;
- and
- an activator preblend, wherein said activator preblend and base are fully blended and wet into said lining hose providing a one component pipe lining composition that can be mixed for an extended period of time and only cures when subjected to elevated temperature.
1 more element
A pipe lining composite comprising:
- a lining hose having an inner and outer layer;
- a base resin;
- and
- an activator preblend, wherein said activator preblend and base are fully blended and wet into said inner layer of said lining hose providing a one component pipe lining composition that can be pre-prepared for an extended period of time and only cures when subjected to elevated temperature.
1 more element
Dependencies are inferred from the claim text.