Composite material springs and manufacture

Details Composite material springs and manufacture Composite material springs and manufacture

1975-06-11

1976-07-13

Marbert, James B.

Spring devices

Vehicle

Leaf

267149, F16F 122

Patent

active

039689581

ABSTRACT:
Light-weight, corrosion-resistant, elongated spring structure formed from fiber-reinforced composite material and method of manufacture in which a configuration-defining core portion is laid up from non-woven fiber plies of varying longitudinal dimension with such centrally located core portion being overlaid with a plurality of elongated plies of non-woven fibers extending between longitudinal ends of the spring structure. Transverse strength in the elongated spring structure is obtained from placement of crossply material generally contiguous to the outer surface or by helical wrapping of the longitudinally oriented plies. Included are methods for forming integral spring-mounting means and manufacture of a plurality of spring structures simultaneously.

REFERENCES:
patent: 3142598 (1964-07-01), Rosen

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