Guide pole fitting seal for floating roof storage tanks
US5560509A · kind A · utility
28Cited by
8References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1994 |
| Grant date | Oct 1, 1996 |
| Priority date | — |
| Expiry date | Mar 21, 2014 |
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.