Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses
Patent
1989-01-06
1990-09-04
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
351 86, G02C 100
Patent
active
049539663
ABSTRACT:
A spectacle frame comprises a face-contacting portion such as a side and a lens-fixing portion such as a rim, both the portions being made of a shape memory alloy, and connecting members to be connected with the face-contacting portion and the lens-fixing portion. The connecting member is made of a titanium alloy, preferably .beta.-phase. The face-contacting portion and the lens-fixing portion are soldered to the connecting member with a palladium-based soldering material.
REFERENCES:
patent: 4772112 (1988-09-01), Zider
Okamura Kenji
Okuda Toshiyuki
Segoshi Kazuo
Yoshida Mizuo
Bovernick Rodney B.
Sigma Co., Ltd.
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