Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1975-01-27
1977-04-12
Bell, J. Karl
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52336, 52612, E04C 200, E04B 116
Patent
active
040166970
ABSTRACT:
This invention relates to boardlike, load bearing, construction units formed from a tensile portion substantially uniformly distributed over the entire area thereof and which also has fastener holding properties and a cementitious material of good compressional strength forming substantially the remaining portion of the unit with novel means for effecting a bond between the tensile and compressional portions along with means for manufacturing the units and their use in various systems of construction.
REFERENCES:
patent: 775927 (1904-11-01), Kahn
patent: 1531530 (1925-03-01), Walper
patent: 1661183 (1928-03-01), Junker
patent: 1719607 (1929-07-01), Harvey
patent: 1934788 (1933-11-01), Bole
patent: 1947418 (1934-02-01), Kahn
patent: 1976947 (1934-10-01), Krauss
patent: 2059664 (1936-11-01), Tashjian
patent: 2191461 (1940-02-01), Ford
patent: 3512327 (1970-05-01), Padura
Bell J. Karl
Kurlandsky Samuel
Roberts Kenneth E.
Rudd Donnie
United States Gypsum Company
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