Interlocking construction block

Details Interlocking construction block Interlocking construction block

1979-07-12

1981-11-03

Perham, Alfred C.

Static structures (e.g., buildings)

With lifting or handling means for primary component or...

Construction or component having means to engage hand or...

52221, 52293, 523098, 52506, 52585, 52594, E04C 110, E04C 130

Patent

active

042978165

ABSTRACT:
An interlocking construction block of thermally insulative material which is of a decorative nature and is capable of being erected without mortar. The block, which may be of construction block size, or of the dimensions of conventional brick, is molded of a synthetic insulative material and includes faces into which real brick inserts may be molded. The block upper wall includes a pair of truncated conical projections adapted to closely nest within conical recesses formed in the lower surfaces of the block above, and the blocks are provided with openings and finger grasping ledges to facilitate handling, and the end walls include elongated grooves for receiving interlocking pins. Fastener receiving recesses are defined between the projections, and the block includes voids at noncritical areas to reduce the mass. A foundation slab for use with the block of the invention is disclosed, as are caps when building walls.

REFERENCES:
patent: 1567430 (1925-12-01), Eberling
patent: 1630698 (1927-05-01), Florey
patent: 1665442 (1928-04-01), Campbell
patent: 1836408 (1931-12-01), Sutton
patent: 2392551 (1946-01-01), Roe
patent: 2668435 (1954-02-01), Clements
patent: 2933920 (1960-04-01), Steuler
patent: 3131514 (1964-05-01), Siek
patent: 3391507 (1968-07-01), Downing
patent: 3478482 (1969-11-01), Weir
patent: 3662507 (1972-05-01), Espeland

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