Sewing of book blocks without blind stitch
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United States of America Patent
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Mar 16, 2021
Grant Date -
Aug 22, 2019
app pub date -
Jul 20, 2017
filing date -
Jul 21, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A solution is proposed for sewing blocks of signatures in a bookbinding sewing machine. A corresponding method comprises, for each block of signatures, bringing a portion of each sewing thread through a corresponding free loop (by moving obliquely and then along an advancement direction of the blocks of signatures), blocking, cutting and pulling the sewing thread for tightening the free loop around the sewing thread being cut. A further aspect provides a corresponding sewing station. A further aspect provides a bookbinding sewing machine comprising this sewing station.
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