METHOD OF FORMING VARIABLE FOCUS EYEWEAR
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United States of America Patent
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app pub date -
Jul 24, 2015
filing date -
Apr 16, 2012
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Abstract
A method of forming a support member to a flexible membrane is provided by the present disclosure. In one form, the method includes placing the flexible membrane onto an outer periphery of a fixed tool, translating a movable tool towards the fixed tool, and engaging the flexible membrane such that the flexible membrane is deformed and placed into tension. A molten resin is then injected into a support ring molding cavity, and the resin is allowed to cool such that the support ring is secured to the tensioned flexible membrane. The movable tool is then translated away from the fixed tool to eject a flexible membrane and support ring assembly.
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