Apparatus for generating parallel radiation for curing photosensitive resin
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United States of America Patent
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Nov 3, 1998
Grant Date -
N/A
app pub date -
Feb 13, 1997
filing date -
Feb 13, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus of parallel radiation for curing a resin to produce a resinous framework of a papermaking belt is provided. The apparatus comprises a source of radiation and an elongate reflector having an outer surface, an inner surface, a longitudinal axis, and two ends spaced apart along the longitudinal axis. The inner surface is comprised of a plurality of reflective facets oriented parallel to the longitudinal axis. In its cross-section, the reflector has a concave shape having a cross-sectional axis perpendicular the longitudinal axis. The reflective facets have a common focal point in the cross-section. The reflective facets direct radiation substantially parallel to the cross-sectional axis. Preferably, the plurality of reflective facets form the reflector's inner surface having a parabolic or circular macro-scale shape in the cross-section.
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