Interlocking ground cover

Details Interlocking ground cover Interlocking ground cover

1992-04-17

1994-02-08

Friedman, Carl D.

Static structures (e.g., buildings)

With component having discrete prestressing means

Slab or panel construction

5222314, 52596, 52677, 249 83, 249 93, 425111, E04C 204

Patent

active

052839966

ABSTRACT:
The invention relates to a prestressed concrete slab and a method for preparing the slab. The slab comprises a corner post at each of its corners. The corner post comprises a cylindrical member; means of attaching and securing reinforcing members to the corner posts; means of attaching each slab to another slab; and means of tensioning the reinforcing members. The slab further includes a center post. The center post comprises a cylindrical member and means of attaching and securing reinforcing members to the center post. Reinforcing members are attached to the corner post and the center posts to connect each to the other. Concrete is set and cured between the corner posts and around the center post and the reinforcing members to form a slab.

REFERENCES:
patent: 1580485 (1926-04-01), Hahn
patent: 1597373 (1926-08-01), Grimm
patent: 2618960 (1952-11-01), Orzel
patent: 2892340 (1959-06-01), Fort
patent: 3195277 (1965-07-01), Greulich
patent: 4119695 (1978-10-01), Asserback
patent: 4644726 (1987-02-01), Wheeler
patent: 4718839 (1988-01-01), Paakkinen
patent: 5074085 (1991-12-01), Ueda

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