Method of making leaf spring

Details Method of making leaf spring Method of making leaf spring

1986-02-28

1987-11-17

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

156180, 264137, 264257, 264258, 267 47, 425112, 425115, B29B 1510, B29C 4318

Patent

active

047073179

ABSTRACT:
A non-metallic leaf spring in which a unitary body member is made up of strands of glass fibers distributed in a matrix of polymerized epoxy resin. The spring is provided with end fittings and a mounting assembly intermediate the ends of the spring by which the spring can be mounted between suspended and unsuspended structures without causing stress concentrations at the non-metallic spring. The method and apparatus by which the spring is manufactured casues strands of fiber to be distributed throughout the spring at a substantially uniform density throughout the longitudinal length of the spring.

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patent: 4318762 (1982-03-01), Meyer
patent: 4352769 (1982-10-01), Meyer
patent: 4475723 (1984-10-01), Meyer
patent: 4560525 (1985-12-01), Ryan
patent: 4565356 (1986-01-01), Nickel

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