Process for combined rolling and stretching of tapes
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United States of America Patent
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Nov 29, 2016
Grant Date -
Mar 13, 2014
app pub date -
May 8, 2012
filing date -
May 11, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A process for rolling and stretching of a sheet into a tape is provided. A sheet may be rolled into a rolled sheet in the nip between two rolls of the calender and the rolled sheet is stretched immediately thereafter into a tape on the surface of one of the two calender rolls. The speed of the rolled sheet on the surface of the calender roll may be higher than the speed of the calender roll. The position of the start of the neck-down of the rolled sheet and the rate of neck-down can be easily controlled by the proposed process.
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