Method of making frame components for spectacles and a component made by this method
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United States of America Patent
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May 26, 2020
Grant Date -
Apr 20, 2017
app pub date -
Apr 7, 2015
filing date -
Apr 9, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method is described for making frame components for spectacles, including: superimposing within a first mold, in the following order, at least a first film of plastic material, at least one semi-finished element pre-impregnated with resin, and at least a second film of plastic material; closing and heating the first mold, the temperature and pressure being applied and maintained until the resin is fully polymerized, in order to produce an intermediate component containing the semi-finished product); opening the first mold and extracting the intermediate component from the first mold. The method also includes: placing the intermediate component in a second mold; closing the second mold and forming a layer of polymer material on the intermediate component, resulting in mutual adhesion; opening the second mold and extracting an article produced by the molding step in the second mold and cutting the article to define the final profile of the component.
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