Lightweight glasses i.e. safety glasses, for use in industrial environment for safety purpose, have spectacle lens of polycarbonate connected with titanium spring by multiple components connected pins that are connected via recess

摘要

The glasses have a spectacle lens of polycarbonate connected with a titanium spring by multiple components connected pins, which are connected via a recess that contains plastic i.e. polymer plastic. The recess is set along inside or outside of the spectacle lens, and extends over a distance corresponding to a part of local thickness of the spectacle lens. A set of metal pins made of titanium is connected with the titanium spring. A neckband made of titanium is detachably connected with the glasses.