Apparatus for forming concrete structures

Details Apparatus for forming concrete structures Apparatus for forming concrete structures

1988-01-11

1990-01-02

Housel, James C.

Plastic article or earthenware shaping or treating: apparatus

Building forms or construction engineering type mold with...

52 88, 52320, 249 11, 249 20, 249 31, 249180, 249185, 264 32, 264 35, E04G 1140

Patent

active

048909939

ABSTRACT:
A primary forming member is associated with a secondary supporting structure to allow rapid construction of elongate concrete structures of uniform cross-section by removing the primary forming member before the concrete mass supported by the secondary supporting structure is set or self-supporting. The primary forming member provides plural spaced forming arches, foldable for transport, and supported for vertical motion on a carriage providing for horizontal motion along the axis of symmetry of the formed structure. The primary forming member supports a plurality of spaced support arches of the secondary supporting structure with a plurality of cross elements therebetween to support rigid panels that create a forming surface for plastic concrete and remain as a part of a formed concrete structure to provide insulation. The forming system forms a self-supporting arched concrete surface with spaced depending arches by being sequentially moved axially therealong.

REFERENCES:
patent: 959167 (1910-05-01), Rice
patent: 1248643 (1917-12-01), Furry
patent: 1293006 (1919-02-01), Brynoldt
patent: 2020519 (1935-11-01), Sarosdy
patent: 4150808 (1979-04-01), Sawyer

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