Ground surface cover system with flexible interlocking joint for erosion control
US6685391B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2001 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Oct 15, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A30/60
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flexible interlocking element (10) having opposing, interlocking ends (12, 14). Element end (12), features a contour, including element top surface segment (16), extending to bend (18), then defining a tongue element (34) extending downwardly along an incline (19), to inverted bend (20), which defines a tongue side (60) having a tangent (62). The contour of the tongue, further extending downward and around to bend (22), which defines a tongue tip (58). The tongue tip (58) having a bottom (54) with a tangent (56). The tongue further extending upward along incline (26), then further extending horizontally to bend (28), then further extending vertically downward to bend (30). Bend (30) defines the lower edge of bottom surface segment (32). Element end (14) features a contour including element top surface segment (36) extending horizontally to bend (38). A channel (52) is then defined by forming a side face of the element (14) to include, an upwardly extending bend (43), which further extends upward and around to bend (44), then downwardly along an incline to bend (46), which further extends vertically downward to bend (48), which defines the edge of a bottom surface segment (50).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.