Bar-shaped spring element or the like made from resinous material

Claim 1

A RELATIVELY LONG SUBSTANTIALLY RECTILINEAR FLEXIBEL ELEMENT MADE OF SYNTHETIC RESINOUS MATERIAL COMPRISING UPPER AND LOWER RELATIVELY FLAT FLANGE PORTIONS OF A MATERIAL SUCH AS A SYNTHETIC WHICH IS CAST AND CAPABLE OF TAKING UP HIGH ENERGY ABSORPTION, A WEBING DISPOSED BETWEN SAID FLANGES INCLUDING A PORTION EXTENDING SUBSTANTIALLY PARALLEL TO AND DIRECTLY ADJACENT EACH OF SAID FLANES AND A SIDE PRTION EXTENDING SUBSTANTIALLY PERPENDICULARLY THERETO, SAID WEBBING BEING MADE OF A SYNTHETIC MATERIAL HAVING GLASS FIBERS THEREIN AND FORMING A REINFORCEMENT THEREFOR, SAID GLASS FIBERS RUNNING AT AN ANGLE OF APPROXIMATELY 45* WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID ELEMENT, SAID GLASS FIBRES CONNECTING WITH AND PRESENTING A TRANSITIONAL FORMATION WITH THE UPPER AND LOWER FLANGES AND SAID WEBBING, AND A CORE OF PLASTIC MATERIAL.