Composite filled hollow structure

Details Composite filled hollow structure Composite filled hollow structure

1996-12-20

1998-09-01

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 345, 428 364, 52722, 52723, 52724, 52725, B29D 2200

Patent

active

058008896

ABSTRACT:
A filled structure includes a fiber reinforced resinous hollow structure having a tensile strength of at least 30,000 psi and an inside surface forming a boundary which encloses a space. A hard core is provided within the space enclosed by the hollow structure. The hard core has a density of at least 35 pounds per cubic foot and a compressive strength of at least 1500 psi. The hard core is formed from a mixture of particulate cementitious material and liquid. The filled structure is constructed and arranged such that the hard core is locked to the inside surface of the hollow structure by mechanical bond or chemical lock or stressed expansion.

REFERENCES:
patent: 3957250 (1976-05-01), Murphy
patent: 4157263 (1979-06-01), Gaines et al.
patent: 4939037 (1990-07-01), Zion et al.
patent: 5587035 (1996-12-01), Greene

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