Back to results
US 2012/0219746 A1Published application
Ground containment liners
AssigneeNew Pig Corporation
InventorBeth P. Powell
Life of this patent
Estimating the term…
Abstract
The present invention provides containment liners to protect the environment from spills and leaks at oil and/or gas production sites and other sites. The containment liner comprises a first felt geotextile layer and a polymeric barrier layer embedded partially into the felt geotextile layer.
Claims34
A containment liner comprising:
- a first felt geotextile layer;
- a second felt geotextile layer covering at least a portion of the first felt geotextile layer;
- and
- at least one polymeric barrier layer between the first and second felt geotextile layers, wherein the at least one polymeric barrier layer is embedded into at least one of the first and second felt geotextile layers.
1 more element
A containment liner comprising:
- a felt geotextile layer;
- and
- a polymeric barrier layer embedded into the felt geotextile layer, wherein the felt geotextile layer comprises a heat treated surface on a side of the felt geotextile layer opposite from the polymeric barrier layer.
A method of making a containment liner comprising:
- providing at least one felt geotextile layer;
- and
- extruding a polymeric barrier layer material adjacent to the at least one felt geotextile layer to thereby embed at least a portion of the polymeric barrier layer material into the at least one felt geotextile layer.
Dependencies are inferred from the claim text.