Double-wall underground tank and method of making

Details Double-wall underground tank and method of making Double-wall underground tank and method of making

1987-03-09

1988-11-01

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156188, 156192, 73 492, 220426, B31C 1300, B65H 8100

Patent

active

047817771

ABSTRACT:
A double-wall tank having inner and outer walls bonded to connecting hollow annular ribs. Passageway means through the ribs enable leak-detecting liquid to fill the spaces between ribs, within ribs, and between end caps.

REFERENCES:
patent: 1863736 (1932-06-01), Willauer
patent: 3700512 (1972-10-01), Pearson et al.
patent: 4537328 (1985-08-01), Keesee et al.
patent: 4561292 (1985-12-01), Pugnale et al.

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