GLASS ROLL AND METHOD OF PRODUCING THE SAME
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United States of America Patent
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Issued Date -
Sep 15, 2011
app pub date -
Mar 7, 2011
filing date -
Mar 12, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a glass roll (1), which is formed by winding a long glass film (2) into a roll, in which the long glass film (2) includes both end edges (2a) in a width direction larger in thickness relative to a center portion (2b) in the width direction, and the long glass film (2) is wound into a roll so that the both end edges (2a) overlap one another while interposing a protective sheet (10) therebetween. Specifically, the long glass film (2) is formed by a downdraw method with selvage portions (2a) left in the both end edges in the width direction, and the long glass film (2) is wound into a roll so that the selvage portions (2a) overlap one another.
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