Protection ring for limiting the width of cracks in a storage ta

Details Protection ring for limiting the width of cracks in a storage ta Protection ring for limiting the width of cracks in a storage ta

1980-05-22

1982-01-05

Shoap, Allan N.

Receptacles

Outlet or junction box type

Sectional receptacle

52248, 220439, 220445, B65D 810, B65D 9000

Patent

active

043089674

ABSTRACT:
Large openings in a storage tank wall caused by cracks appearing therein are prevented by surrounding such wall with a plurality of rings which are spaced apart from the wall to be structurally independent of that wall. Such structurally independent rings are not susceptible to stressing forces exerted on the wall.

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patent: 4093100 (1978-06-01), Ford et al.
patent: 4181237 (1980-01-01), Henyon et al.

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