Guide pole fitting seal for floating roof storage tanks
US5829621A · kind A · utility
3Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1996 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | Sep 27, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D88/34
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A guide pole fitting seal for use on floating roof tanks that incorporates a well gasket, pole sleeve, pole wiper, float and float wiper that may be used with guide poles to control emissions from the guide pole fitting. The guide pole seal may permit the product level in the tank to be measured and sampled from inside of the guide pole by removing the float during these operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.