Composite coil spring

Details Composite coil spring Composite coil spring

1982-12-22

1988-08-23

Halvosa, George E. A.

Spring devices

Fibrous

267166, 423371, F16F 136

Patent

active

047656026

ABSTRACT:
A helical torsion spring (10) composed of unidirectional graphite fibers (26) encased in an epoxy resin matrix of rectangular cross section. The graphite fibers are longitudinally oriented relative to the core of the coil spring and can be located adjacent the inner and outer surfaces of each of the coils.

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patent: 4260143 (1981-04-01), Kliger
patent: 4422627 (1983-12-01), Schmidt et al.

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