Static molds – In situ construction engineering type or building type-mold... – Forming building structure
Patent
1987-12-18
1990-04-10
Housel, James C.
Static molds
In situ construction engineering type or building type-mold...
Forming building structure
249 10, 249 17, 249 44, 249144, 249166, 249196, 264 32, E04G 1110
Patent
active
049153455
ABSTRACT:
A curved concrete forming structure to provide a 1000 psf system for forming curved walls having a radium in excess of 5'. The structure includes a series of arcuately curved metallic panels secured in stacked side-by-side assembly. The improvement particularly concerns a panel which is comprised of a flexible metallic skin plate. Spaced vertically extending ribs are positioned along the length of the panel on one side thereof. The ribs and the skin plate have essentially the same vertical dimensions. A pair of vertically spaced arcuately curved angles are provided which angles have identical diameters that correspond to the diameter of the concrete wall to be poured using the concrete forming structure. The curved angles are substantially stiffer and inflexible compared to the flexible skin plate. Fasteners secure the curved angles in abutment with opposite ends of the ribs, and with the flexible skin plate being moved from a flat form and secured by the fasteners in a curved form corresponding in diameter to the arcuately curved angles to form said arcuately curved panel, the curved panels being assembled in stacked assembly providing a smooth continuous radius free of chords or flat spots.
REFERENCES:
patent: 1287573 (1918-12-01), Davidson
patent: 1298941 (1919-04-01), Harry et al.
patent: 2616148 (1952-11-01), Hawes
patent: 4185805 (1980-01-01), Ewing
patent: 4192481 (1980-03-01), Durbin
patent: 4553729 (1985-11-01), Connors
patent: 4679763 (1987-07-01), Brotherton
patent: 4742985 (1988-05-01), Mathis
Housel James C.
Meroni, Jr. Charles F.
Symons Corporation
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