Process for producing glass roll with a separable protective sheet
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United States of America Patent
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Aug 19, 2014
Grant Date -
Jul 21, 2011
app pub date -
Sep 30, 2009
filing date -
Oct 1, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A manufacturing method for a glass roll includes forming a glass film by a downdraw method, winding the glass film into a roll using a winding roller in a state in which front and back glass surfaces of the glass film formed in said forming operation are exposed, and during said winding operation, superposing the glass film on a separable protective sheet. The protective sheet extends beyond both sides in a width direction of the glass film. The method may further include winding the protective sheet on an outer peripheral surface of the glass film by winding only the protective sheet from a trailing end of the glass film in a winding direction of the glass film.
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