Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1988-09-15
1989-08-29
Michalsky, Gerald A.
Receptacles
Outlet or junction box type
Sectional receptacle
220 1B, 220403, 220461, B65D 812
Patent
active
048609161
ABSTRACT:
The liquid impervious liner in a field erected liquid holding tank that can be dismantled and reassembled is protected from damage by placing a reusable liner buffer in the form of a blanket of load spreading, cushioning material between the liner and the wall of the tank and the ground or tank foundation. Methods of erecting tanks using liner buffers to protect liquid holding liners are disclosed.
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patent: 3302825 (1967-02-01), Schleeweiss
patent: 3409916 (1968-11-01), Billig et al.
patent: 3419918 (1969-01-01), Petrik
patent: 3460705 (1969-08-01), Green
patent: 3486289 (1969-12-01), Lavack
patent: 3644941 (1972-02-01), Kuss
patent: 3648303 (1972-03-01), Stewart et al.
patent: 3738527 (1973-06-01), Townsend
patent: 3841041 (1974-10-01), Friedland et al.
patent: 4068777 (1978-01-01), Humphrey et al.
patent: 4756033 (1988-07-01), Schelfhorst
Environetics, Inc.
Kaplan Charles M.
Michalsky Gerald A.
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