Filament reinforced structural shapes

Details Filament reinforced structural shapes Filament reinforced structural shapes

1974-10-07

1976-11-30

Lesmes, George F.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

52731, 52630, 428119, 428121, 428130, 428188, 428902, 244123, 244124, 244126, B32B 320

Patent

active

039950808

ABSTRACT:
Strong, lightweight structural shapes or structures adapted for anistropic load bearing useful as structural beams or stiffeners for other structures, e.g., aircraft and which prevent or have improved resistance to forces tending to peel apart the structures, i.e., incipient peel. The shapes are fabricated from plicated laminates of strips or sheets of resinous, filament reinforced, composite materials having high strength and low weight. Fabrication of the shapes is carried out in such manner that upon curing of the resin the resultant stiffener shapes are capable of distributing loading forces so as to reduce localization of stresses.

REFERENCES:
patent: 2456005 (1948-12-01), MacKinnon
patent: 2593714 (1952-04-01), Robinson
patent: 2833682 (1958-05-01), DE Laszlo
patent: 3449482 (1969-06-01), Mitchell et al.
patent: 3490983 (1970-01-01), Lee
patent: 3669158 (1972-06-01), Phillips
patent: 3768760 (1973-10-01), Jensen

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