Bookbinding method and apparatus
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United States of America Patent
Stats
-
Nov 10, 1987
Grant Date -
N/A
app pub date -
Jul 14, 1986
filing date -
Jul 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sewing-press for thread-sewing book blocks which are formed from individual book block sections comprises an endless conveyor which transports the block sections into registration with a sewing head. The conveyor includes sewing saddles which support the block sections during sewing, the saddles being articulated to a continuously moving chain so as to have a dwell phase in the sewing region. The sewing needles, after punching the sewing thread through the block section, pivot to directly transfer the thread to the cooperating hook needles which, in turn, draw the thread back through the block section in the form of a loop which is linked to a loop on the preceding block section.
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