Static structures (e.g. – buildings) – Footing or foundation type – For a wall
Patent
1976-04-15
1982-02-16
Murtagh, John E.
Static structures (e.g., buildings)
Footing or foundation type
For a wall
523095, 5230912, 52743, E02D 2700, E04B 162, E04B 214
Patent
active
043153917
ABSTRACT:
A composite wall structure is disclosed and includes a plurality of vertically stacked building blocks forming a wall structure without mortar or other binder between contiguous blocks. Distinct, continuous layers of rigid urethane polymer foam cover both exterior sides of the wall, these foam layers being adhesively secured to the sides of the wall and extending into the surface pores of the blocks and into the vertical and horizontal seams formed by the blocks. The resultant composite wall structure can be characterized as being hermetically sealed, monolithic, insulated and having improved lateral strength imparted thereto by the exterior foam layers.
The building blocks forming the wall structure can have vertical cells and in addition to the exterior rigid foam layers, or in place of same, the vertical cells of the building blocks can be substantially filled with rigid urethane polymer foam which is adhesively secured to the walls of the cells and which extends into the surface pores thereof and into the interior vertical and horizontal seams formed by the blocks.
A process is also disclosed which involves vertically stacking a plurality of building blocks, which may have vertical cells, spraying both exterior sides and/or the interior cells with a foamable liquid urethane polymer composition and thereafter allowing the liquid to foam to form distinct exterior layers of rigid urethane polymer foam and/or to substantially fill the interior cells of the building blocks.
REFERENCES:
patent: 2748593 (1956-06-01), Stetter
patent: 3298883 (1967-01-01), Lemelson
patent: 3306000 (1967-02-01), Barnes
patent: 3629384 (1971-12-01), Elegenstierna
patent: 3715417 (1973-02-01), Pope
American Builder, Mar. 1962, p. 125.
Construction Methods, Jun. 1948, p. 96.
Maso-Therm Corporation
Murtagh John E.
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