Pile driver cushion
US4457499A · kind A · utility
4Cited by
1References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1981 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Dec 23, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D13/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a pile driver the sharp force loading on a pile at the moment of impact by a ram is absorbed by a pile driver cushion. The cushion includes a pad formed from a flexible strip of compressed knitted mesh wound in a flat spiral and further constructed to maintain its integrity during use and handling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.