Building blocks

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention

Patent

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Details

405286, 52608, D25 80, E02D 2902, E04C 204

Patent

active

045211388

ABSTRACT:
A building block for walls which are laid in courses without mortar and can be stabilized by planting, has a base wall, a face wall, and two curved side walls. The base wall has rounded transition sections to the face wall and to the side walls. The block includes at least two curved dividing walls bounding a central space and two outer spaces between the side walls, with the upper edges of the face wall, of the side walls and of the dividing walls lying at least approximately in one plane. The building block is open at a rear thereof opposite the face wall, and the building block has an open top extending in the above mentioned one plane from the open rear to the face wall.

REFERENCES:
patent: D217244 (1970-04-01), Fairfield
patent: D230846 (1974-03-01), Friederich
patent: D264996 (1982-06-01), Siedschlag
patent: 379338 (1888-03-01), Steinau
patent: 2737801 (1956-04-01), Barnhart
patent: 3073061 (1963-01-01), Pearson
patent: 3389499 (1968-06-01), Haile
patent: 4229123 (1980-10-01), Heinzmann

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