Impact transfer device for power rams
US4408668A · kind A · utility
12Cited by
8References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1981 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Feb 17, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D13/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An impact transfer device for pile drivers is made as a one-piece steel unit defining a solid percussion part of a substantially cylindrical configuration with a convex impact surface capable of withstanding steel-on-steel impacts, an intermediate tubular part of substantially frusto-conical configuration integrally connected to the percussion part and a base ring integrally connected to the larger end of the intermediate tubular part having an annular support surface facing away from the impact surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.