Spectacle parts

Abstract

Abstract PURPOSE: To provide the parts of good gloss and superior spring characteristic, polishability, etc. by using nickel-chrome-aluminum alloy. CONSTITUTION: Spectacles consist of various parts such as temples 1, eye-risms 2, mount 3, boxes 4, legs 5, rim clocks 6, hinges 7, bridge 8, trims 9 and screws 10. These parts are constituted by the nickel-chrome-aluminum alloy of superior corrosion resistance, strength, gloss, spring characteristic, etc. The nickel alloy containing chromium 30W45%(wt%), aluminum 0.1W5% and the alloy comprising containing copper 5% or below, titanium 5% or below, magnesium 5% or below, mischmetal 1% or below, tellurium 1% or below, lead 4% or below, calcium 1% or below, silver 5% or below is suited for this alloy. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Toshiharu Matsuki
• 👤 Takashi Kuze

Bibliographic Details