Radiant energy – Source supports
Patent
1975-03-25
1977-07-19
Williams, Howard S.
Radiant energy
Source supports
B01K 100
Patent
active
040371123
ABSTRACT:
A substrate coated with an ultraviolet light curable coating composition is passed under the substantially elliptical cylindrical reflectors of an ultraviolet light coatings processor wherein sources of ultraviolet light are located at the foci nearest the vertices of the reflectors. It has been found that undercuring resulting from vibration of the coated substrate toward and away from the reflectors during passage can be eliminated by maintaining the mean point of vibration more remote from the reflectors than the conjugate foci of the reflectors.
REFERENCES:
patent: 2288352 (1942-06-01), Hendeson
patent: 3826014 (1974-07-01), Helding
Lackore James K.
Ramler Warren J.
Morris George D.
PPG Industries Inc.
Williams Howard S.
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