Apparatus and method for releasably fusing mold lens pieces
作者： Stephen Galas
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摘要: A method and apparatus releasably secure mold pieces used to an artificial eye lens, for example a hydrophilic contact lens. The includes ultrasonic welding system provide directed energy, modified so that the output horn is convex extend within outer concave portion of one has shoulder rest upon flange said piece thereby centering it. applies such as vibrations, through energy emitter soften or melt then fuse mating peripheral edge lens pieces.
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