Inflatable grout seal
US4337010A · kind A · utility
9Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1979 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Dec 13, 1999 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B17/0008
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An inflatable packer for use on an offshore platform to seal the annulus between the jacket leg or pile sleeve and a pile driven therethrough, the inflatable packer comprising a packer housing, a first guide ring, a second guide ring, an annular inflatable packer member having an annular reinforcing member therein and annular band of material about the inner periphery thereof adjacent each end, first back-up shoe means and second back-up shoe means secured to the first and second guide rings respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.