Composite pile with tapering lower portion and method for driving pile into granular soil
US6468003B2 · kind B2 · utility
28Cited by
34References
29Claims
0Family size
Inventors
Key dates
| Filing date | Sep 7, 2001 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Sep 7, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/477
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pile includes a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together with a transition ring to form a composite pile, which, after being driven, is filled with concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.