Multilayer integral geogrids having a cellular layer structure, and methods of making and using same
US11753788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2021 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Dec 21, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D2300/0084
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer integral geogrid, including one or more cellular layers, has a plurality of oriented multilayer strands interconnected by partially oriented multilayer junctions with an array of openings therein. The multilayer integral geogrid having one or more cellular layers is produced from a coextruded or laminated multilayer polymer starting sheet. The integral geogrid has a multilayer construction, with at least one outer layer thereof having the cellular structure. By virtue of the cellular layer structure, the multilayer integral geogrid provides for increased layer vertical compressibility under load, resulting in enhanced material properties that provide performance benefits to use of the multilayer integral geogrid to stabilize and strengthen soil, aggregates, or other particulate materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.