Building block with wave-shaped upper and lower support surfaces

Details Building block with wave-shaped upper and lower support surfaces Building block with wave-shaped upper and lower support surfaces

1975-08-18

1977-08-09

Perham, Alfred C.

Static structures (e.g., buildings)

Opaque stonelike module

Lateral retaining feature on facing sheet

52590, E04C 110

Patent

active

040402266

ABSTRACT:
A building block is disclosed which is intended to be arranged in substantially horizontal layers stacked upon each other without the use of mortar. The upper and lower support surfaces of the blocks are wave-shaped in two perpendicular directions in such a manner that the wave-patterns in both directions have the same amplitude and periodicity and a constant wave section over their entire extension. Disclosed are also a method and an apparatus for manufacturing the blocks.

REFERENCES:
patent: 308577 (1884-11-01), Richards
patent: 903906 (1908-11-01), Soss
patent: 2271030 (1942-01-01), Palanti

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