Patent ID: 6419358
Filing Date: 2002-07-16
Classification: A61B,A61C,A61F,A61L,C22C,C22F

Abstract:
In an eyeglass frame having at least one component thereof being fabricated of a shape memory effect alloy, the improvement comprising said component including at least one of a pair of temples, a bridge, a pair of lens rims and nose pads wires, said component being made of a &bgr; titanium alloy which comprises:(a) between 10.0 and 12.0 wt.% molybdenum; (b) between 2.8 and 4.0 wt.% aluminum; (c) chromium and vanadium each between 0.0 and 2.0 wt.% chromium; and (d) between 0.0 and 4.0 wt.% niobium; and (e) the balance titanium, and characterised by exhibiting pseudo-elasticity at âˆ’25Â° C. to 50Â° C.