Soldering material for spectacle frame and spectacle frame in wh

Details Soldering material for spectacle frame and spectacle frame in wh Soldering material for spectacle frame and spectacle frame in wh

1989-04-13

1990-12-11

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

351111, 351124, 420465, 420501, 420555, G02C 514, G02C 502

Patent

active

049765299

ABSTRACT:
A shape memory alloy is used for face-contacting parts (1, 3, 4, 5; 101) and lens-fixing parts (2) of a spectacle frame, and parts (12, 13; 103) connected thereto are formed of titanium, a titanium alloy, nickel, or a chromium alloy. These parts are suitable soldered by a soldering material (111) formed of 5-15 wt. % of palladium, 5-15 wt. % of gallium, and a balance consisting of silver.

REFERENCES:
Braterskaya et al., "Production & Application of a Silver-Base Electrical Contact Material with a Liquid Lubricant", Soviet Powder Metallurgy and Metal Ceramics, vol. 16, No. 1, 1/77--pp. 23 & 24.

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