Manufacturing apparatus for a glass film and manufacturing method for a glass film
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United States of America Patent
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Apr 22, 2014
Grant Date -
Feb 2, 2012
app pub date -
Jul 19, 2011
filing date -
Jul 23, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A manufacturing apparatus prevents small defects from being formed in a surface of a glass film ribbon to the extent possible when the glass film ribbon is transported toward a downstream side while curved. The apparatus includes a direction converting device for converting a traveling direction of the glass film ribbon, which is drawn downward vertically from a forming device, from a vertical direction to a horizontal direction by transporting the glass film ribbon toward a downstream side while curved in a longitudinal direction of the glass film ribbon. The direction converting device includes a curve-supporting unit for supporting the glass film ribbon curved in the longitudinal direction. The curve-supporting unit includes two lines of end portion supporting parts for supporting widthwise end regions of the glass film ribbon without supporting a widthwise central region of the glass film ribbon.
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