Floating roof seal using a coil spring

Details Floating roof seal using a coil spring Floating roof seal using a coil spring

1982-10-04

1985-01-15

Marcus, Stephen

Receptacles

Closures

Floating closure

220226, B65D 8846

Patent

active

044934300

ABSTRACT:
A resilient seal located in and spanning the vapor space between a tank wall and a floating roof wall with the seal including a vapor resistant flexible strip of material having parallel longitudinal edges attached to the roof defining a horizontal pouch extending around the roof periphery and a horizontal coil spring located in the pouch for the length of the vapor space.

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patent: 3800975 (1974-04-01), Nishkian et al.
patent: 3926332 (1975-12-01), Okamoto
patent: 4004708 (1977-01-01), Boyd
patent: 4154359 (1979-05-01), Bissett

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