Method for producing eyewear frame support arms without welding

Details Method for producing eyewear frame support arms without welding Method for producing eyewear frame support arms without welding

2005-05-10

2005-05-10

Dang, Hung Xuan (Department: 2873)

Metal working

Spectacle-frame making

C351S041000, C351S110000, C351S124000

Reexamination Certificate

active

06889412

ABSTRACT:
A new method of producing central bridge and support arms for spectacles where no welding is required, and no screws were needed to secure lenses to frame. Protruding members on end portion of central bridge are formed, together with the bridge itself, when cut out by a wire-cutting means. Fitting lenses to spectacle frame requires pressing capping pieces into the protruding members having ratchet-like teeth to receive and secure the lenses in place. Durability of spectacle frames is enhanced as a result of no temperature change to the elasticity of the frame material.

REFERENCES:
patent: 6682192 (2004-01-01), Conner

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