Floating roof tank with rim space seal
Patent
·
OSTI ID:5158137
This patent describes a vertical cylindrical liquid storage tank having a circular floating roof of smaller diameter than the tank thereby defining a clearance space between the roof edge and the tank wall; a seal joined to the roof and extending upwardly therefrom into slidable contact with the tank wall; the seal completely covering the clearance space; the seal comprising a plurality of individual flexible sections of sheet material in substantially side-by-side arrangement but with adjacent section side edge portions overlapping each other; a gasket between the overlapping side edge portions; a clip attached to each section adjacent its edge portion which is overlapped by the edge portion of an adjacent section; the clip having a wing spaced upward from the section to which it is attached and extending over the edge portion of the adjacent section to press the edge portions together, but permit the edge portions to slide laterally with respect to each other; and a flexible elastometric tip joined to the outer end of the sections and in slidable contact with the tank wall.
- Assignee:
- Chicago Bridge and Iron Co., Oak Brook, IL
- Patent Number(s):
- US 4615458
- OSTI ID:
- 5158137
- Country of Publication:
- United States
- Language:
- English
Similar Records
Floating roof tank
Roof insulation support system
Roof assembly
Patent
·
Mon Jul 19 00:00:00 EDT 1971
·
OSTI ID:5993872
Roof insulation support system
Patent
·
Tue Aug 30 00:00:00 EDT 1977
·
OSTI ID:6445055
Roof assembly
Patent
·
Mon Jan 11 23:00:00 EST 1982
·
OSTI ID:5564441