Printing – Special article machines – Rotating object
Patent
1985-08-21
1986-06-03
Eickholt, E. H.
Printing
Special article machines
Rotating object
B41F 1722
Patent
active
045922764
ABSTRACT:
A printing machine including a conveyor equipped with spaced-apart carriers for moving articles to a printing station and then to a discharge station, and an intermittently operating drive for the conveyor whereby the carriers are stopped at the printing station. An ultraviolet reactive ink is used during printing with an ultraviolet curing station. The curing station comprises rotatable pick-up means for a printed article whereby the article is adapted to be rotated during exposure at the curing station. An article drive is provided for rotating the pick-up means about its axis, and the article drive has an axis of rotation which is offset relative to the axis of the pick-up means so that an eccentric drive is imparted to the pick-up means. The article drive is connected to the intermittently operated drive whereby the driving action imparted to said pick-up means is simultaneously influenced by said intermittently operated drive and by said eccentric drive.
The curing station also includes a shutter for controlling exposure of the article to ultraviolet light. The shutter includes a pair of plates, a pivotable support for the plates, and a drive adapted to move the plates into blocking position between the ultraviolet light source and the article position at the curing station, and to move the plates out of blocking position, the shutter includes reflectors attached to the plates for reflecting ultra-violet rays and to concentrate the rays on the surface of an article at the curing station.
REFERENCES:
patent: 3933091 (1976-01-01), von Saspe
patent: 4035214 (1977-07-01), Shuppert et al.
patent: 4411191 (1983-10-01), Combeau
patent: 4479429 (1984-10-01), Haryu
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