B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
204/109, 204/91
B05D 3/06 (2006.01) B41F 23/04 (2006.01)
Patent
CA 1317908
ABSTRACT 72275-1 Apparatus and a method for curing a photosensitive coating on a substrate moving adjacent to the apparatus without causing distortion or damage to the substrate due to heat. The apparatus comprises a high intensity shielded light source; a first reflector which partially surrounds the light source to focus a portion of the light therefrom in a broadening beam generally parallel to the moving substrate; a transparent cooler-filter, which is located on the opposite side of the light source from the first reflector, for filtering the broadening beam from the light source; a second reflector, which is on the opposite side of the filter from the light source, to receive the focused and filtered broadening light beam and redirect it at an angle to impinge in a band on the photosensitive coating to cure it as it passes beneath the apparatus on the moving substrate. The method utilizes the apparatus to expose a photosensitive coating on a moving substrate to a beam of light generated by a high-intensity light source this beam of light is reflected and focused in a broadening path, filtered and caused to strike a reflective surface that subsequently reflects and redirects the broadening beam of light to impinge in the band upon a photosensitive coating to cure it.
550666
Burgio Joseph Thomas Jr.
Smart & Biggar
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