F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
26/163, 267/19
F16F 1/18 (2006.01) B29C 70/86 (2006.01) F16F 1/368 (2006.01)
Patent
CA 1244839
A B S T R A C T A leaf spring of plastic material having a spring body of fiber- reinforced plastic material, which at least at one end is pro- vided with a thickening, with an end zone (1) of the spring body increasing in its thickness towards the spring end (5'). On this thickened end zone (1), a spring eye body (6, 19, 26) is wedged up at its appropriately laminar mounting zones with the aid of clamping sleeves. For the manufacture of the plastic material leaf spring, one advantageously starts with a spring body, the end zone (1) of which exhibits plane parallel top and bottom sides (2, 3), respectively, on which coatings of a plastic mass of fiber- reinforced duromer plastic material are applied to form the aforementioned thickening. Subsequently, the spring eye body (6, 19, 26) is mounted, and its mounting zones are wedged by means of the clamping sleeve(s) onto the spring body's end zone (1) provided with said coatings, whereby plastic material from these coatings appropriately penetrates the surface structure provided at the pressure surfaces of the mounting zones, whereupon the plastic coatings are cured at a higher temperature.
493770
Fetherstonhaugh & Co.
Isosport Verbundbauteile Ges.m.b.h.
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