Method for binding leaves and a binding element and binding device applied thereto
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United States of America Patent
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Mar 22, 2016
Grant Date -
Sep 4, 2014
app pub date -
Sep 10, 2012
filing date -
Oct 7, 2011
priority date (Note) -
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Abstract
Method for binding a bundle of leaves (11) in a binding element (1) with a U-shaped back (2) with a base (3) and upright arms (4) and a hot-melt adhesive (8) in the back, includes introducing the bundle in the back (2), and then heating up the back (2) to melt the hot-melt adhesive (8), wherein an oversized binding element (1) is chosen in which the bundle (11) is received with a certain sideways play (C), and the binding element (1) with the hot-melt adhesive (8) in the molten state is placed between two parallel pressure bars (17) that are moved towards one another with a force in order to fold the arms (4) towards one another.
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