Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1989-04-03
1990-05-22
Pollard, Steven M.
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220 5A, 294551, B23D 900
Patent
active
049270508
ABSTRACT:
A double wall storage tank for liquid and a method for manufacturing that tank are disclosed in which an inner tank is formed of metal panels with at least lower portions of the inner tank being formed from patterned metal having a pattern of projections extending outwardly from a base surface on the exterior such portions of that inner tank, with a sheet of imperforate material stretch over the inner tank to separate the inner tank from subsequently applied sheathing material, and a substantially rigid sheath of resin impregnated fibrous material is applied over that inner tank and sheet.
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patent: 4780947 (1988-11-01), Palazzo
patent: 4817817 (1989-04-01), Palazzo
patent: 4821915 (1989-04-01), Mayer
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