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US 2002/0118250 A1Published application
Building board printing apparatus
AssigneeNichiha Corporation
InventorsMikio Fukatsu, Tomoyoshi Yabe
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AssigneeNichiha Corporation
InventorsMikio Fukatsu, Tomoyoshi Yabe
Estimating the term…
The present invention dispenses with a plate for printing using an ink jet technology and provides a building board printing apparatus which is ready for a small-lots & multi-products manufactured systems. Each of printing heads 1, . . . M, . . . N comprises nozzle arrays arranged in a line, each of which jets an ink selected from a group of colors such as yellow (Y), magenta (M), cyan (C) and black (B). Each printing head is successively arranged in a vice scanning direction, while being shifted color by color. According to this, four printing heads positioned adjacent to one another in a vice scanning direction enable the use of print inks of four colors successively. Since a printing interval between different colors can be shortened in a vice scanning direction, it becomes possible to provide high-quality printing with low color deviation on building boards to be moved.
A building board printing apparatus, comprising a plurality of printing heads having a plurality of colors of ink jet nozzle arrays arranged in a main scanning direction on a per color basis, wherein said printing heads are arranged in a vice scanning direction while being shifted in a main scanning direction on a color unit basis.
Dependencies are inferred from the claim text.