Counter-die for the cylinders of rotary die cutting machines
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United States of America Patent
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Jan 15, 2013
Grant Date -
Jul 29, 2010
app pub date -
Mar 12, 2010
filing date -
Sep 14, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A counter-die includes a tubular body, divided into several parts (1-1′-1″) and joined to each other by tongue and groove joints using twisted edges (2) at the ends, preferentially three parts, these having an inner sector (3) which is the largest, of injected plastic, very resistant and light, over the exterior surface of which there is a coating (4) of polyurethane. The parts are joined to each other by orifices (7) and grooves (8) in their ends, more specifically in the area made of injected plastic, through which respective rods or pins (11) pass.
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