Spring-loaded secondary seal for floating-roof storage tank
US7748555B2 · kind B2 · utility
1Cited by
27References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2004 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Aug 7, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D88/46
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A low-profile secondary seal for floating-roof storage tanks has a tip seal that is mounted on a series of segmental adapter plates connected to the shoe plates. A fabric extends between the tip seal and the floating roof. A spring presses the tip seal against the tank shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.