Static structures (e.g. – buildings) – Processes – Anchor – bond – etc.
Patent
1978-01-13
1980-04-15
Murtagh, John E.
Static structures (e.g., buildings)
Processes
Anchor, bond, etc.
52122, 52245, 52747, B21D 3903, E04G 2114
Patent
active
041976894
ABSTRACT:
A bulk storage vessel of generally cylindrical upstanding shape is formed with a plurality of wall segments which are assembled together in end to end relation to form subassemblies of circular shape. These subassemblies are then flange interconnected along upper and lower edges to provide a cylindrical vessel. Each of the wall segments includes a curved side wall of generally rectangular shape having roll formed flange structures along both its upper and lower edges and a vertical end flange at one end. The upper edge flange structures include an outwardly extending horizontal flange section and a downturned vertical flange section integrally rolled therewith. Along the lower edge, the flange structure includes an outwardly extending horizontal flange section, a downturned vertical flange section and an inwardly extending flange section joined to the lower edge of the downturned vertical flange and deflectable for interlocking engagement with the upper edge flange structure of an adjacent lower subassembly.
A first subassembly of wall segments connected end to end into a circular cylindrical segment is formed at ground level and is then elevated to a height sufficient to clear the wall segments of a second subassembly which are positioned therebelow during assembly. These wall segments of the second subassembly are interconnected with the lower flange structure of the upwardly spaced first subassembly and the wall segments are supported by this flanged interconnection while the lower or second wall segments are being connected end to end. The interconnected flanges of the two subassemblies are crimped together externally of the vessel.
REFERENCES:
patent: 475656 (1892-05-01), Bertels
patent: 1076382 (1913-10-01), Maloney
patent: 1125070 (1915-01-01), Daviee
patent: 1429400 (1922-09-01), Bloedow
patent: 1706924 (1929-03-01), Kane
patent: 3092216 (1963-06-01), Tye
patent: 3381432 (1968-05-01), Brandwein
patent: 3902288 (1975-09-01), Knudson
DeMuth Steel Products Company
Murtagh John E.
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