Spring devices – Fibrous – Glass fiber
Patent
1987-07-13
1989-02-07
Butler, Douglas C.
Spring devices
Fibrous
Glass fiber
267 361, 267 52, 267158, 280720, B60G 1102, F16F 136
Patent
active
048026590
ABSTRACT:
A leaf spring of fibre reinforced composite material comprises a longitudinal cross-section having a thickened central zone, adjacent tapered zones and end zones. The tapered zones have curved surfaces comprising convex and concave portions, the convex portions being adjacent to the central zones and the concave portions being adjacent to the end zones. Each convex and concave portion is a segment of a curve defined by the equation
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British Petroleum Company p.l.c.
Butler Douglas C.
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