Devices for preventing frost heaving and thawing settlement
US11891771B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2023 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Aug 30, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A30/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present disclosure provides a device for preventing frost heaving and thawing settlement. The device includes a positioning cylinder, an upper cover, an anti-thawing settlement rod configured to prevent the thawing settlement, and an anti-frost heaving rod configured to prevent the frost heaving. The upper cover is sealingly assembled on a top of the positioning cylinder. A bottom of the positioning cylinder is provided with the anti-frost heaving rod. An upper portion of the positioning cylinder is provided with the anti-thawing settlement rod. The anti-frost heaving rod is provided upwards, and a bottom of the anti-frost heaving rod is rotatably provided on a mounting base of the anti-frost heaving rod through a first connecting screw rod. The anti-thawing settlement rod is provided downwards, and a top of the anti-thawing settlement rod is rotatably provided on a mounting base of the anti-thawing settlement rod through a second connecting screw rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.