Method and System for Applying Hot Melt Adhesive Powder onto a Non-Metallic Object Surface
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United States of America Patent
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Issued Date -
Jan 28, 2010
app pub date -
Feb 2, 2008
filing date -
Apr 13, 2007
priority date (Note) -
Abandoned
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Abstract
A method for applying hot melt adhesive powder onto a non-metallic object surface comprises the steps of applying a cleaning agent, applying a conductive liquid, radiating, spraying hot melt adhesive powder; and heating. A system for applying hot melt adhesive powder onto a non-metallic object surface comprises a convey belt, a radiation chamber, a spraying chamber and a heating chamber. The convey belt is used to deliver a non-metallic object treated by a cleaning agent and a conductive liquid through the radiation chamber where the surface of the non-metallic objected is radiated by ultraviolet rays and ozone and then through the spraying chamber where the surface of the non-metallic object is sprayed with charged hot melt adhesive powder, and finally into the heating chamber where the hot melt adhesive powder attached onto the non-metallic object will be melted into a liquid adhesive film ready to be bonded.
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