Fiber reinforced structural member

Details Fiber reinforced structural member Fiber reinforced structural member

1987-05-12

1989-01-03

Thomas, Alexander S.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

428 72, 52DIG7, 52DIG8, 52727, 523094, 523097, 523099, 5230911, B32B 312, B32B 326

Patent

active

047956666

ABSTRACT:
A fiber reinforced structural member comprises a shell element formed of a fiber reinforced material such as, for example, a fiber reinforced plastic, and a core element having a large joining surface fixedly joined to the inner surface of the shell element, and comprising one or a plurality of primary core elements each formed of a fiber reinforced material such as, for example, a fiber reinforced plastic, in the form of a tube or a channel, and internally filled with a filling material such as, for example, foam polyurethane. Since the shell element and the core element are joined together over the large joining area, an external force applied to the fiber reinforced structural member is distributed over the large joining surface and hence the stress in the joining surface is reduced, so that the durability and reliability of the fiber reinforced structural member is enhanced.

REFERENCES:
patent: 3246058 (1966-04-01), Voelker
patent: 3331173 (1967-07-01), Elsner
patent: 3331174 (1967-07-01), Wesch et al.

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