Glue application method for cold seal cohesive packaging
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United States of America Patent
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Jan 26, 2016
Grant Date -
Oct 24, 2013
app pub date -
Dec 3, 2012
filing date -
Apr 20, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
According to one aspect of the present disclosure, a method of applying a cold seal cohesive for product packaging is disclosed, the method including the steps of delivering a cold seal adhesive to a chambered doctor blade disposed adjacent a rotating transfer roller; transferring a quantity of adhesive to a transfer surface; rotating the transfer roller to contact a printing die mounted to a rotating die roller such that at least a first portion of the quantity of adhesive is transferred to the printing die; feeding a housing between the die roller and an adjacent rotating impression roller; rotating the die roller such that the printing die contacts the housing and transfers a portion of the quantity of adhesive from the printing die to the housing; and drying the adhesive on the housing, where the adhesive is a latex-based, dry-tack adhesive, with a viscosity of no more than 450 centipoize.
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