Precast concrete stairway module

Details Precast concrete stairway module Precast concrete stairway module

1979-06-07

1981-02-03

Bell, J. Karl

Static structures (e.g., buildings)

Stepped; e.g., stair

With additional building feature

52 791, 52189, E04F 1114

Patent

active

042480205

ABSTRACT:
A precast concrete stairway module comprising a concrete wall assembly which is C-shaped in plan view, providing a side wall and two end walls, a concrete stair flight extending from an edge of one side wall to a mid-height position of the other side wall. The stair flight assembly is moulded integrally with the wall assembly and comprises a landing at each end and a flight of stairs therebetween. An access opening is provided in the wall assembly.

REFERENCES:
patent: 3755974 (1973-09-01), Berman
patent: 3788018 (1974-01-01), Simmons et al.
patent: 3830026 (1974-08-01), Tylius

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