Method and apparatus for thread-stitching of book blocks, and a book production line equipped with such an apparatus
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United States of America Patent
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Mar 3, 2015
Grant Date -
Oct 10, 2013
app pub date -
Apr 9, 2013
filing date -
Apr 10, 2012
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Abstract
An apparatus for thread-stitching a book block includes a thread tensioning device configured to store and tension a binding thread. A single actuator, including a servo drive, drives the thread tensioning device. The method includes storing a length of binding thread; in a separate step, tensioning the binding thread; and thread-stitching the book block.
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