Spectacle frame

Details Spectacle frame Spectacle frame

1981-11-09

1985-01-22

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

351144, G02C 500

Patent

active

044948310

ABSTRACT:
This specification discloses a spectacle frame of titanium or titanium alloy having at least one location a brazed portion of titanium or titanium alloy joined with titanium or titanium alloy, or of titanium or titanium alloy joined with other metal, characterized in that silver-zinc alloy comprising 70-95% by weight of silver and 5-30% by weight of zinc is used as the brazing filler metal material for brazing.

REFERENCES:
patent: 2362893 (1944-11-01), Durst

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