PRETREATMENT METHOD AND SYSTEM FOR APPLICATION OF COATING TO SHOE PARTS
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United States of America Patent
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Issued Date -
Nov 19, 2015
app pub date -
May 13, 2014
filing date -
May 13, 2014
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Abstract
A pretreatment method for application of coating to shoe parts is capable of replacing the conventional primer coating process with the UV radiation process. The coating pretreatment to the shoe parts can be carried out continuously in an automatic manner. Besides, creating etching effect by using UV-C radiation and ozone activating improves the bonding of the shoe parts to the adhesives, without substantial increase in equipment cost. A pretreatment system for application of coating to shoe parts can be provided with more reaction chambers for UV-C radiation and cleaning, so as to increase the breadth of application of the UV radiation system. Subjecting the surface of the shoe parts to UV-C radiation and cleaning process more than one time can activate the surface, and improve the follow-up coating quality.
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