Method for preparation of forming mold having baked layer of lubricating mold-releasing agent
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United States of America Patent
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Issued Date -
Sep 24, 2009
app pub date -
Jun 28, 2005
filing date -
Jul 1, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a method for preparation of a glass forming mold having a layer of a lubricating mold-releasing agent with reduced fluctuation in lubricating property, by baking the layer of the lubricating mold-releasing agent in a manner that prevents defects like blistering or peeling of the layer, or surface roughening. The method is a method for preparation of a glass forming mold having a baked layer of a lubricating mold-releasing agent on the mold surface thereof, wherein the method comprises heating the mold surface with an applied lubricating mold-releasing agent thereon by exposing the mold surface to a high frequency magnetic flux until the temperature of the mold surface reaches a predetermined baking temperature.
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