Coating apparatus – With means to apply electrical and/or radiant energy to work...
Reexamination Certificate
2007-02-13
2007-02-13
Padgett, Marianne (Department: 1762)
Coating apparatus
With means to apply electrical and/or radiant energy to work...
C118S642000, C427S492000, C427S493000, C427S511000, C427S510000, C250S553000, C250S494100, C250S50400H, C257S088000
Reexamination Certificate
active
10339264
ABSTRACT:
A UV curing apparatus and method is provided for enhancing the distribution and application of UV light to UV photo initiators in a UV curable ink, coating or adhesive. The UV curing apparatus and method comprises UV LED assemblies in a first row with the UV LED assemblies spaced from adjacent UV LED assemblies. At least one second row of a plurality of UV LED assemblies are provided next to the first row but with the UV LED assemblies of the second row positioned adjacent the spaces between adjacent UV LED assemblies in the first row thereby to stagger the second row of UV LED assemblies from the UV LED assemblies in the first row. Desirably, the rows of staggered UV LED assemblies are mounted on a panel. UV curable products, articles or other objects containing UV photo initiators that are in or on a web can be conveyed or otherwise moved past the rows of UV LED assemblies for effective UV curing. This arrangement facilitates more uniformly application of UV light on the UV curable ink, coating and/or adhesives in the UV curable products, articles or other objects. The apparatus can include one or more of the following: rollers for moving the web, mechanisms for causing the panel to move in an orbital or reciprocal path, and an injection tube for injecting a non-oxygen gas in the area of UV light curing.
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Con-Trol-Cure, Inc.
Padgett Marianne
Tolpin Thomas W.
Welsh & Katz Ltd.
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