Removable closure plate
US4373835A · kind A · utility
6Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 1980 |
| Grant date | Feb 15, 1983 |
| Priority date | — |
| Expiry date | Jun 23, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B17/0013
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An improved removable closure plate arrangement providing a liquid-tight seal in an elongated floatable offshore hollow tubular column structure. The closure plate being adapted for easy removal and including a centrally located pull member removably connected to the upper and fixedly connected to the lower portion of the closure plate with the closure plate being removably connected about its periphery to the inside surface of the column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.