Static structures (e.g. – buildings) – With synthetic resinous component – Foam
Patent
1988-02-01
1989-08-08
Friedman, Carl D.
Static structures (e.g., buildings)
With synthetic resinous component
Foam
52405, 52439, 52505, 52612, E04C 100
Patent
active
048540978
ABSTRACT:
A building block having improved insulating characteristics. The block includes two spaced parallel sidewalls formed from concrete or the like. The first sidewall has at least one inwardly extending integral web, having end portions extending parallel to the sidewall. The second sidewall has inwardly extending interlock members which also have end portions extending parallel to the sidewall. When the sidewalls are assembled parallel to each other to form the front and back faces of the building block, the respective end portions overlap in a manner preventing the sidewalls from moving apart along a line perpendicular to the sidewalls. The overlapping end portions are not in contact with each other. At least part of the volume within the block is filled with a highly insulating foam. The foam fills the space between the overlapping end portions and thus provides structural rigidity to the block. The block has outstanding insulating properties since there are no thermal bridges of block structural material from one sidewall to the other. In the event of fire which melts or destroys the foam material, general structural integrity of a wall built from these blocks is assured by the overlapping end portions which prevent separation of the sidewalls.
REFERENCES:
patent: 3982369 (1976-09-01), Keleske
patent: 4262463 (1981-04-01), Hapel
patent: 4285181 (1981-08-01), Van Loghem et al.
patent: 4341049 (1982-07-01), Hsi
patent: 4640071 (1987-02-01), Haener
patent: 4745720 (1988-05-01), Taylor
patent: 4769964 (1988-09-01), Johnson et al.
Friedman Carl D.
Gilliam Frank D.
Smith Creighton
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