Universal perforation system for installation on a binding or spiral-binding machine capable of binding using any binding system
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United States of America Patent
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Jun 27, 2017
Grant Date -
Nov 12, 2015
app pub date -
May 9, 2014
filing date -
Mar 24, 2014
priority date (Note) -
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Abstract
Relates to an improved universal industrial product to be installed on an existing binding or spiral binding machine, capable of binding in all existing binding systems that allow to perform a single set of oblong perforations, according to the paper size, and in which the support or receive the rings, spirals, or combs and binder having multiple size rings, which are currently formed by using machines with different perforation steps. Includes perforation dies having an oblong shape.
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