Two-part collapsible corrugated paper form void

Details Two-part collapsible corrugated paper form void Two-part collapsible corrugated paper form void

1996-12-11

1998-07-21

Smith, Creighton

Static structures (e.g., buildings)

Cast in situ concrete barrier with laterally projecting...

Block-type filler between sustainers

52577, 249 10, E04B 500

Patent

active

057820490

ABSTRACT:
A two-part collapsible form void for providing a space between a poured concrete structure and an underlying expansive soil is formed of a foldable outer section and a foldable inner section which, when erected, is longitudinally slidable into the erected outer section. The form void may be shipped in the separated and collapsed state, reducing shipping volume by up to 85 percent, and is easily erected by hand at the job site.

REFERENCES:
patent: 3834103 (1974-09-01), Knohl
patent: 5498451 (1996-03-01), Lafond

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