Spring members

Details Spring members Spring members

1995-12-29

1997-10-21

Butler, Douglas C.

Spring devices

Fibrous

267166, F16F 106

Patent

active

056788096

ABSTRACT:
A spring member made of a carbon fibers/carbon composite material in which carbon fibers are dispersed in a matrix of graphite, The spring member has a spring constant in a range of 0.1 to 25 kg/mm and a density of about 1.5 to 3.0 g/cm.sup.3. For use in high temperature severe conditions a ceramic material is incorporated into the surface of the spring member.

REFERENCES:
patent: 3943213 (1976-03-01), Whittaker et al.
patent: 4006881 (1977-02-01), Gaillard
patent: 4260143 (1981-04-01), Kliger
patent: 4412675 (1983-11-01), Kawakubo
patent: 4544599 (1985-10-01), Buttazzoni
patent: 4772502 (1988-09-01), Okura et al.
patent: 4902453 (1990-02-01), Okura et al.
patent: 5503783 (1996-04-01), Nakagawa et al.
H. Buhl et al, "Carbon Fibre Spring for High-Temperature Application", Journal of Crystal Growth 131 (1993) pp. 470-472.
Jan Chlopek et al "Mechanical Properties of Carbon-Carbon Composites", Ceramics Internation 19 (1993) 251-257.
Patent Abstract of Japan, vol. 18 No. 163 (C-1181) Dec. 1993 re JP-A 5-330915.
Chemical Abstracts, vol. 115 #4, Jul. 1991.

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