Fiber-reinforced resin coil spring and method of manufacturing t

Details Fiber-reinforced resin coil spring and method of manufacturing t Fiber-reinforced resin coil spring and method of manufacturing t

1982-01-07

1984-09-25

Butler, Douglas C.

Spring devices

Fibrous

Glass fiber

264165, 264166, 264DIG40, 267166, F16F 102

Patent

active

044732171

ABSTRACT:
A fiber-reinforced resin coil spring impregnated with thermosetting resin which comprises a resin-impregnated and twisted rod-shaped fiber bundle formed by bundling a plurality of fiber wire blanks made of glass or carbon, immersing the fiber bundle and twisting the rod-shaped fiber bundle in a thermosetting resin, and forming coiled twisted rod-shaped fiber bundle from the resin-immersed and twisted rod-shaped fiber bundle. Thus, the resin coil spring incorporates large elastic energy and high load withstanding capability due to the twisting of the fiber bundle.

REFERENCES:
patent: 2323286 (1943-06-01), Ward
patent: 4260143 (1981-04-01), Kliger

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