Permanently installed building foundation form

Details Permanently installed building foundation form Permanently installed building foundation form

1992-05-05

1993-07-06

Corbin, David H.

Hydraulic and earth engineering

Foundation

405 45, 521695, 52426, 52294, 285 64, E02B 1100, E02D 1502

Patent

active

052247996

ABSTRACT:
A permanently-installed form-drain (10) including hollow, foraminous planks (12) and connectors (16,18) for joining two or more of the planks in a continuously arranged concrete barrier. The instant improvements include an adapter (20/21), which serves as a straight connector, grooved plank (19) with interlocking stake (13/14), integral connector-stake and adapter-stake device (16/14, 20/14) and a tri-functional, generally rigid bracket and bracket-stake (22 and 22/22x) element, used to space and restrain/constrain the planks and/or to hold (support) reinforcement bars.

REFERENCES:
patent: 994155 (1911-06-01), Harris
patent: 3017722 (1962-01-01), Smith
patent: 3613323 (1971-10-01), Hreha
patent: 4185429 (1980-01-01), Mendola
patent: 4524678 (1985-06-01), Klebanoff
patent: 4832557 (1989-05-01), Jacobsen
patent: 5120162 (1992-06-01), Parker

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