Prefabricated component for building staircases

Details Prefabricated component for building staircases Prefabricated component for building staircases

1993-03-23

1995-09-12

Friedman, Carl D.

Static structures (e.g., buildings)

Stepped; e.g., stair

52192, 523094, 523097, E04F 1102

Patent

active

054488621

ABSTRACT:
The prefabricated component for building staircases comprises a supporting element made of foamed plastic material which extends longitudinally and is cut in the shape of steps along one of its upper surfaces. The supporting element is provided with a plurality of longitudinal holes which are meant for the insertion of respective metallic reinforcement frames and are suitable to be filled with a concrete casting when installed, to provide respective beams for stiffening the supporting element.

REFERENCES:
patent: 2221358 (1940-11-01), Neal
patent: 2615325 (1952-10-01), Seeber
patent: 3405486 (1968-10-01), Fagenstrom
patent: 4157640 (1979-06-01), Joannes

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