Static structures (e.g. – buildings) – Machine or implement
Patent
1993-05-24
1994-02-15
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
52DIG9, E04C 330
Patent
active
052856160
ABSTRACT:
An I-beam structure is made from discarded tire belts wherein the beam web is constructed from two car or truck tire belts joined centrally along their lengths tread to tread. Flange members are made of a two ply laminated structural material wherein each ply is a continuous car tire belt, and the two plies are bonded tread to tread along their lengths The two ply flange forming members are attached to the web by adhesive or vulcanization bonding.
REFERENCES:
patent: 3349537 (1967-10-01), Hopfeld
patent: 4843777 (1989-07-01), Shimabukuro
patent: 5172528 (1992-12-01), Clarke
patent: 5214896 (1993-06-01), Hamilton
Friedman Carl D.
Nguyen Kien
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