Liquid spraying apparatus and method

Details Liquid spraying apparatus and method Liquid spraying apparatus and method

2011-05-03

2011-05-03

Koch, III, George R (Department: 1745)

Coating processes

Spraying

With programmed control or using mechanized nozzle or...

C427S422000, C118S666000, C118S667000, C118S682000

Reexamination Certificate

active

07935389

ABSTRACT:
A printer is provided which sprays ink from nozzles to print recording paper P. It includes a paper feed/delivery mechanism (72) to carrying the paper P to which the ink is to adhere, nozzles (52a) to spray the ink as droplets, an ink-spraying head (45) to spray the ink from the nozzles toward the paper P having been carried to a position opposite to the nozzles, an ink-spraying controller (123) to control the ink-spraying head (45) to spray the ink from the nozzles in predetermined timing, a temperature sensor (74) to detect the ambient temperature and/or humidity when spraying the ink from the nozzles, a speed discrimination unit (73) to judge whether the carrying speed of the paper P has been changed, a memory (128) having stored therein ink-spraying control data intended for controlling the spraying timing correspondingly to the type of the paper P, and a controller (129) to delay, when the carrying speed of the paper P has been increased in the process of printing, the timing of spraying ink in other color than black based on the temperature detected by the temperature sensor and ink-spraying control data for the type of the paper P, pre-stored in the memory, in relation to that which is before the carrying speed of the paper P is increased, thereby projecting the other ink than the black ink to a position to which the black ink is to be projected.

REFERENCES:
patent: 5995909 (1999-11-01), Bretmersky et al.
patent: 6467883 (2002-10-01), Sakurai
patent: 2002/0079325 (2002-06-01), Estelle
patent: 2004/0231594 (2004-11-01), Edwards et al.
patent: 1 078 771 (2001-02-01), None
patent: 1 211 073 (2002-06-01), None

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