Printing – Special article machines
Patent
1982-09-17
1984-06-26
Fisher, J. Reed
Printing
Special article machines
101 38R, 101177, 101350, B41F 1718, B41F 3134
Patent
active
044559348
ABSTRACT:
This invention relates to a color head for an offset press for printing curved articles such as cups, cans, tubes and the like and sheet-like or flat articles such as paper, metals, synthetic resins, and the like. In order to supply the quantity of ink necessary for each article to be printed onto the plate of a plate cylinder for printing the article, an ink roller rotatably provided inside an ink fountain is caused to rock during each printing cycle, in which one article is printed, by cam rings on the sides of the form roller and by rocking levers operated by these cam rings, and is brought into contact with the form roller within a predetermined angular area of the form roller. The quantity of ink supplied can be adjusted continuously without any steps, either manually or automatically, whenever necessary. The roller system used in the invention has a reduced number of rollers so as to shorten the path of the ink and to print each article with a uniform, suitable quantity of ink. The color head is especially suitable as the color head for an offset press for printing the surface of mass-produced cans or tubes.
REFERENCES:
patent: 1933887 (1933-11-01), Wood
patent: 2158474 (1939-05-01), Misuraca
patent: 3683805 (1972-08-01), Harcess
Drucker William A.
Fisher J. Reed
Fuji Kikai Kogyo Kabushiki Kaisha
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