Glue application method for cold seal cohesive packaging
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United States of America Patent
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Feb 14, 2017
Grant Date -
Apr 7, 2016
app pub date -
Dec 14, 2015
filing date -
Apr 20, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for applying a cold seal adhesive is disclosed. The method includes the steps of delivering a cold seal adhesive to a nip between a rotating metering roller and an adjacent rotating transfer roller having a transfer surface, transferring a quantity of adhesive to the transfer surface, rotating the transfer roller whereby the transfer surface contacts a printing die mounted to a rotating die roller disposed adjacent to the transfer roller, rotating the die roller whereby the printing die contacts the at least one adhesive region on the interior surface of the housing and transfers at least a second portion of the quantity of adhesive from the printing die to the at least one adhesive region forming a film as the housing advances between the die roller and the impression roller, the film having a thickness between 0.0015-0.007 inches, and drying the adhesive on the housing.
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